external/vulkancts/modules/vulkan/spirv_assembly/vktSpvAsmGraphicsShaderTestUtil.cpp

   1 /*-------------------------------------------------------------------------
   2  * Vulkan Conformance Tests
   3  * ------------------------
   4  *
   5  * Copyright (c) 2017 Google Inc.
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  *//*!
  20  * \file
  21  * \brief Graphics pipeline for SPIR-V assembly tests
  22  *//*--------------------------------------------------------------------*/
  23
  24 #include "vktSpvAsmGraphicsShaderTestUtil.hpp"
  25
  26 #include "tcuFloat.hpp"
  27 #include "tcuStringTemplate.hpp"
  28
  29 #include "vkDefs.hpp"
  30 #include "vkMemUtil.hpp"
  31 #include "vkPlatform.hpp"
  32 #include "vkQueryUtil.hpp"
  33 #include "vkRefUtil.hpp"
  34 #include "vkTypeUtil.hpp"
  35
  36 #include "deRandom.hpp"
  37
  38 namespace vkt
  39 {
  40 namespace SpirVAssembly
  41 {
  42
  43 using namespace vk;
  44 using std::map;
  45 using std::string;
  46 using std::vector;
  47 using tcu::Float16;
  48 using tcu::Float32;
  49 using tcu::IVec3;
  50 using tcu::IVec4;
  51 using tcu::RGBA;
  52 using tcu::TestLog;
  53 using tcu::TestStatus;
  54 using tcu::Vec4;
  55 using de::UniquePtr;
  56 using tcu::StringTemplate;
  57 using tcu::Vec4;
  58
  59 deUint32 IFDataType::getElementNumBytes (void) const
  60 {
  61         if (elementType < NUMBERTYPE_END32)
  62                 return 4;
  63
  64         return 2;
  65 }
  66
  67 VkFormat IFDataType::getVkFormat (void) const
  68 {
  69         if (numElements == 1)
  70         {
  71                 switch (elementType)
  72                 {
  73                         case NUMBERTYPE_FLOAT32:        return VK_FORMAT_R32_SFLOAT;
  74                         case NUMBERTYPE_INT32:          return VK_FORMAT_R32_SINT;
  75                         case NUMBERTYPE_UINT32:         return VK_FORMAT_R32_UINT;
  76                         case NUMBERTYPE_FLOAT16:        return VK_FORMAT_R16_SFLOAT;
  77                         case NUMBERTYPE_INT16:          return VK_FORMAT_R16_SINT;
  78                         case NUMBERTYPE_UINT16:         return VK_FORMAT_R16_UINT;
  79                         default:                                        break;
  80                 }
  81         }
  82         else if (numElements == 2)
  83         {
  84                 switch (elementType)
  85                 {
  86                         case NUMBERTYPE_FLOAT32:        return VK_FORMAT_R32G32_SFLOAT;
  87                         case NUMBERTYPE_INT32:          return VK_FORMAT_R32G32_SINT;
  88                         case NUMBERTYPE_UINT32:         return VK_FORMAT_R32G32_UINT;
  89                         case NUMBERTYPE_FLOAT16:        return VK_FORMAT_R16G16_SFLOAT;
  90                         case NUMBERTYPE_INT16:          return VK_FORMAT_R16G16_SINT;
  91                         case NUMBERTYPE_UINT16:         return VK_FORMAT_R16G16_UINT;
  92                         default:                                        break;
  93                 }
  94         }
  95         else if (numElements == 3)
  96         {
  97                 switch (elementType)
  98                 {
  99                         case NUMBERTYPE_FLOAT32:        return VK_FORMAT_R32G32B32_SFLOAT;
 100                         case NUMBERTYPE_INT32:          return VK_FORMAT_R32G32B32_SINT;
 101                         case NUMBERTYPE_UINT32:         return VK_FORMAT_R32G32B32_UINT;
 102                         case NUMBERTYPE_FLOAT16:        return VK_FORMAT_R16G16B16_SFLOAT;
 103                         case NUMBERTYPE_INT16:          return VK_FORMAT_R16G16B16_SINT;
 104                         case NUMBERTYPE_UINT16:         return VK_FORMAT_R16G16B16_UINT;
 105                         default:                                        break;
 106                 }
 107         }
 108         else if (numElements == 4)
 109         {
 110                 switch (elementType)
 111                 {
 112                         case NUMBERTYPE_FLOAT32:        return VK_FORMAT_R32G32B32A32_SFLOAT;
 113                         case NUMBERTYPE_INT32:          return VK_FORMAT_R32G32B32A32_SINT;
 114                         case NUMBERTYPE_UINT32:         return VK_FORMAT_R32G32B32A32_UINT;
 115                         case NUMBERTYPE_FLOAT16:        return VK_FORMAT_R16G16B16A16_SFLOAT;
 116                         case NUMBERTYPE_INT16:          return VK_FORMAT_R16G16B16A16_SINT;
 117                         case NUMBERTYPE_UINT16:         return VK_FORMAT_R16G16B16A16_UINT;
 118                         default:                                        break;
 119                 }
 120         }
 121
 122         DE_ASSERT(false);
 123         return VK_FORMAT_UNDEFINED;
 124 }
 125
 126 tcu::TextureFormat IFDataType::getTextureFormat (void) const
 127 {
 128         tcu::TextureFormat::ChannelType         ct      = tcu::TextureFormat::CHANNELTYPE_LAST;
 129         tcu::TextureFormat::ChannelOrder        co      = tcu::TextureFormat::CHANNELORDER_LAST;
 130
 131         switch (elementType)
 132         {
 133                 case NUMBERTYPE_FLOAT32:        ct = tcu::TextureFormat::FLOAT;                         break;
 134                 case NUMBERTYPE_INT32:          ct = tcu::TextureFormat::SIGNED_INT32;          break;
 135                 case NUMBERTYPE_UINT32:         ct = tcu::TextureFormat::UNSIGNED_INT32;        break;
 136                 case NUMBERTYPE_FLOAT16:        ct = tcu::TextureFormat::HALF_FLOAT;            break;
 137                 case NUMBERTYPE_INT16:          ct = tcu::TextureFormat::SIGNED_INT16;          break;
 138                 case NUMBERTYPE_UINT16:         ct = tcu::TextureFormat::UNSIGNED_INT16;        break;
 139                 default:                                        DE_ASSERT(false);
 140         }
 141
 142         switch (numElements)
 143         {
 144                 case 1:                         co = tcu::TextureFormat::R;                                     break;
 145                 case 2:                         co = tcu::TextureFormat::RG;                            break;
 146                 case 3:                         co = tcu::TextureFormat::RGB;                           break;
 147                 case 4:                         co = tcu::TextureFormat::RGBA;                          break;
 148                 default:                        DE_ASSERT(false);
 149         }
 150
 151         return tcu::TextureFormat(co, ct);
 152 }
 153
 154 string IFDataType::str (void) const
 155 {
 156         string  ret;
 157
 158         switch (elementType)
 159         {
 160                 case NUMBERTYPE_FLOAT32:        ret = "f32"; break;
 161                 case NUMBERTYPE_INT32:          ret = "i32"; break;
 162                 case NUMBERTYPE_UINT32:         ret = "u32"; break;
 163                 case NUMBERTYPE_FLOAT16:        ret = "f16"; break;
 164                 case NUMBERTYPE_INT16:          ret = "i16"; break;
 165                 case NUMBERTYPE_UINT16:         ret = "u16"; break;
 166                 default:                                        DE_ASSERT(false);
 167         }
 168
 169         if (numElements == 1)
 170                 return ret;
 171
 172         return string("v") + numberToString(numElements) + ret;
 173 }
 174
 175 VkBufferUsageFlagBits getMatchingBufferUsageFlagBit(VkDescriptorType dType)
 176 {
 177         switch (dType)
 178         {
 179                 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:                 return VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT;
 180                 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:                 return VK_BUFFER_USAGE_STORAGE_BUFFER_BIT;
 181                 case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:                  return VK_BUFFER_USAGE_TRANSFER_SRC_BIT;
 182                 case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:                  return VK_BUFFER_USAGE_TRANSFER_SRC_BIT;
 183                 case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER: return VK_BUFFER_USAGE_TRANSFER_SRC_BIT;
 184                 default:                                                                                DE_ASSERT(0 && "not implemented");
 185         }
 186         return (VkBufferUsageFlagBits)0;
 187 }
 188
 189 VkImageUsageFlags getMatchingImageUsageFlags(VkDescriptorType dType)
 190 {
 191         switch (dType)
 192         {
 193                 case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:                  return VK_IMAGE_USAGE_STORAGE_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
 194                 case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:                  return VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
 195                 case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER: return VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
 196                 default:                                                                                DE_FATAL("Not implemented");
 197         }
 198         return (VkImageUsageFlags)0;
 199 }
 200
 201 static void requireFormatUsageSupport(const InstanceInterface& vki, VkPhysicalDevice physicalDevice, VkFormat format, VkImageTiling imageTiling, VkImageUsageFlags requiredUsageFlags)
 202 {
 203         VkFormatProperties              properties;
 204         VkFormatFeatureFlags    tilingFeatures  = 0;
 205
 206         vki.getPhysicalDeviceFormatProperties(physicalDevice, format, &properties);
 207
 208         switch (imageTiling)
 209         {
 210                 case VK_IMAGE_TILING_LINEAR:
 211                         tilingFeatures = properties.linearTilingFeatures;
 212                         break;
 213
 214                 case VK_IMAGE_TILING_OPTIMAL:
 215                         tilingFeatures = properties.optimalTilingFeatures;
 216                         break;
 217
 218                 default:
 219                         DE_ASSERT(false);
 220                         break;
 221         }
 222
 223         if ((requiredUsageFlags & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) != 0)
 224         {
 225                 if ((tilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT) == 0)
 226                         TCU_THROW(NotSupportedError, "Image format cannot be used as color attachment");
 227                 requiredUsageFlags ^= VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
 228         }
 229
 230
 231         if ((requiredUsageFlags & VK_IMAGE_USAGE_TRANSFER_SRC_BIT) != 0)
 232         {
 233                 if ((tilingFeatures & VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR) == 0)
 234                         TCU_THROW(NotSupportedError, "Image format cannot be used as transfer source");
 235                 requiredUsageFlags ^= VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
 236         }
 237
 238
 239         DE_ASSERT(!requiredUsageFlags && "checking other image usage bits not supported yet");
 240 }
 241
 242 InstanceContext::InstanceContext (const RGBA                                            (&inputs)[4],
 243                                                                   const RGBA                                            (&outputs)[4],
 244                                                                   const map<string, string>&            testCodeFragments_,
 245                                                                   const StageToSpecConstantMap&         specConstants_,
 246                                                                   const PushConstants&                          pushConsants_,
 247                                                                   const GraphicsResources&                      resources_,
 248                                                                   const GraphicsInterfaces&                     interfaces_,
 249                                                                   const vector<string>&                         extensions_,
 250                                                                   const vector<string>&                         features_,
 251                                                                   VulkanFeatures                                        vulkanFeatures_,
 252                                                                   VkShaderStageFlags                            customizedStages_)
 253         : testCodeFragments                             (testCodeFragments_)
 254         , specConstants                                 (specConstants_)
 255         , hasTessellation                               (false)
 256         , requiredStages                                (static_cast<VkShaderStageFlagBits>(0))
 257         , requiredDeviceExtensions              (extensions_)
 258         , requiredDeviceFeatures                (features_)
 259         , requestedFeatures                             (vulkanFeatures_)
 260         , pushConstants                                 (pushConsants_)
 261         , customizedStages                              (customizedStages_)
 262         , resources                                             (resources_)
 263         , interfaces                                    (interfaces_)
 264         , failResult                                    (QP_TEST_RESULT_FAIL)
 265         , failMessageTemplate                   ("${reason}")
 266 {
 267         inputColors[0]          = inputs[0];
 268         inputColors[1]          = inputs[1];
 269         inputColors[2]          = inputs[2];
 270         inputColors[3]          = inputs[3];
 271
 272         outputColors[0]         = outputs[0];
 273         outputColors[1]         = outputs[1];
 274         outputColors[2]         = outputs[2];
 275         outputColors[3]         = outputs[3];
 276 }
 277
 278 InstanceContext::InstanceContext (const InstanceContext& other)
 279         : moduleMap                                             (other.moduleMap)
 280         , testCodeFragments                             (other.testCodeFragments)
 281         , specConstants                                 (other.specConstants)
 282         , hasTessellation                               (other.hasTessellation)
 283         , requiredStages                                (other.requiredStages)
 284         , requiredDeviceExtensions              (other.requiredDeviceExtensions)
 285         , requiredDeviceFeatures                (other.requiredDeviceFeatures)
 286         , requestedFeatures                             (other.requestedFeatures)
 287         , pushConstants                                 (other.pushConstants)
 288         , customizedStages                              (other.customizedStages)
 289         , resources                                             (other.resources)
 290         , interfaces                                    (other.interfaces)
 291         , failResult                                    (other.failResult)
 292         , failMessageTemplate                   (other.failMessageTemplate)
 293 {
 294         inputColors[0]          = other.inputColors[0];
 295         inputColors[1]          = other.inputColors[1];
 296         inputColors[2]          = other.inputColors[2];
 297         inputColors[3]          = other.inputColors[3];
 298
 299         outputColors[0]         = other.outputColors[0];
 300         outputColors[1]         = other.outputColors[1];
 301         outputColors[2]         = other.outputColors[2];
 302         outputColors[3]         = other.outputColors[3];
 303 }
 304
 305 string InstanceContext::getSpecializedFailMessage (const string& failureReason)
 306 {
 307         map<string, string>             parameters;
 308         parameters["reason"]    = failureReason;
 309         return StringTemplate(failMessageTemplate).specialize(parameters);
 310 }
 311
 312 ShaderElement::ShaderElement (const string&                             moduleName_,
 313                                                           const string&                         entryPoint_,
 314                                                           VkShaderStageFlagBits         shaderStage_)
 315                 : moduleName(moduleName_)
 316                 , entryName(entryPoint_)
 317                 , stage(shaderStage_)
 318 {
 319 }
 320
 321 void getDefaultColors (RGBA (&colors)[4])
 322 {
 323         colors[0] = RGBA::white();
 324         colors[1] = RGBA::red();
 325         colors[2] = RGBA::green();
 326         colors[3] = RGBA::blue();
 327 }
 328
 329 void getHalfColorsFullAlpha (RGBA (&colors)[4])
 330 {
 331         colors[0] = RGBA(127, 127, 127, 255);
 332         colors[1] = RGBA(127, 0,   0,   255);
 333         colors[2] = RGBA(0,       127, 0,       255);
 334         colors[3] = RGBA(0,       0,   127, 255);
 335 }
 336
 337 void getInvertedDefaultColors (RGBA (&colors)[4])
 338 {
 339         colors[0] = RGBA(0,             0,              0,              255);
 340         colors[1] = RGBA(0,             255,    255,    255);
 341         colors[2] = RGBA(255,   0,              255,    255);
 342         colors[3] = RGBA(255,   255,    0,              255);
 343 }
 344
 345 // For the current InstanceContext, constructs the required modules and shader stage create infos.
 346 void createPipelineShaderStages (const DeviceInterface&                                         vk,
 347                                                                  const VkDevice                                                         vkDevice,
 348                                                                  InstanceContext&                                                       instance,
 349                                                                  Context&                                                                       context,
 350                                                                  vector<ModuleHandleSp>&                                        modules,
 351                                                                  vector<VkPipelineShaderStageCreateInfo>&       createInfos)
 352 {
 353         for (ModuleMap::const_iterator moduleNdx = instance.moduleMap.begin(); moduleNdx != instance.moduleMap.end(); ++moduleNdx)
 354         {
 355                 const ModuleHandleSp mod(new Unique<VkShaderModule>(createShaderModule(vk, vkDevice, context.getBinaryCollection().get(moduleNdx->first), 0)));
 356                 modules.push_back(ModuleHandleSp(mod));
 357                 for (vector<EntryToStage>::const_iterator shaderNdx = moduleNdx->second.begin(); shaderNdx != moduleNdx->second.end(); ++shaderNdx)
 358                 {
 359                         const EntryToStage&                                             stage                   = *shaderNdx;
 360                         const VkPipelineShaderStageCreateInfo   shaderParam             =
 361                         {
 362                                 VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,    //      VkStructureType                 sType;
 363                                 DE_NULL,                                                                                                //      const void*                             pNext;
 364                                 (VkPipelineShaderStageCreateFlags)0,
 365                                 stage.second,                                                                                   //      VkShaderStageFlagBits   stage;
 366                                 **modules.back(),                                                                               //      VkShaderModule                  module;
 367                                 stage.first.c_str(),                                                                    //      const char*                             pName;
 368                                 (const VkSpecializationInfo*)DE_NULL,
 369                         };
 370                         createInfos.push_back(shaderParam);
 371                 }
 372         }
 373 }
 374
 375 #define SPIRV_ASSEMBLY_TYPES                                                                                                                                    \
 376         "%void = OpTypeVoid\n"                                                                                                                                          \
 377         "%bool = OpTypeBool\n"                                                                                                                                          \
 378                                                                                                                                                                                                 \
 379         "%i32 = OpTypeInt 32 1\n"                                                                                                                                       \
 380         "%u32 = OpTypeInt 32 0\n"                                                                                                                                       \
 381                                                                                                                                                                                                 \
 382         "%f32 = OpTypeFloat 32\n"                                                                                                                                       \
 383         "%v2i32 = OpTypeVector %i32 2\n"                                                                                                                        \
 384         "%v2u32 = OpTypeVector %u32 2\n"                                                                                                                        \
 385         "%v2f32 = OpTypeVector %f32 2\n"                                                                                                                        \
 386         "%v3f32 = OpTypeVector %f32 3\n"                                                                                                                        \
 387         "%v4i32 = OpTypeVector %i32 4\n"                                                                                                                        \
 388         "%v4u32 = OpTypeVector %u32 4\n"                                                                                                                        \
 389         "%v4f32 = OpTypeVector %f32 4\n"                                                                                                                        \
 390         "%v4bool = OpTypeVector %bool 4\n"                                                                                                                      \
 391                                                                                                                                                                                                 \
 392         "%v4f32_function = OpTypeFunction %v4f32 %v4f32\n"                                                                                      \
 393         "%bool_function = OpTypeFunction %bool\n"                                                                                                       \
 394         "%fun = OpTypeFunction %void\n"                                                                                                                         \
 395                                                                                                                                                                                                 \
 396         "%ip_f32 = OpTypePointer Input %f32\n"                                                                                                          \
 397         "%ip_i32 = OpTypePointer Input %i32\n"                                                                                                          \
 398         "%ip_u32 = OpTypePointer Input %u32\n"                                                                                                          \
 399         "%ip_v3f32 = OpTypePointer Input %v3f32\n"                                                                                                      \
 400         "%ip_v2f32 = OpTypePointer Input %v2f32\n"                                                                                                      \
 401         "%ip_v2i32 = OpTypePointer Input %v2i32\n"                                                                                                      \
 402         "%ip_v2u32 = OpTypePointer Input %v2u32\n"                                                                                                      \
 403         "%ip_v4f32 = OpTypePointer Input %v4f32\n"                                                                                                      \
 404         "%ip_v4i32 = OpTypePointer Input %v4i32\n"                                                                                                      \
 405         "%ip_v4u32 = OpTypePointer Input %v4u32\n"                                                                                                      \
 406                                                                                                                                                                                                 \
 407         "%op_f32 = OpTypePointer Output %f32\n"                                                                                                         \
 408         "%op_i32 = OpTypePointer Output %i32\n"                                                                                                         \
 409         "%op_u32 = OpTypePointer Output %u32\n"                                                                                                         \
 410         "%op_v2f32 = OpTypePointer Output %v2f32\n"                                                                                                     \
 411         "%op_v2i32 = OpTypePointer Output %v2i32\n"                                                                                                     \
 412         "%op_v2u32 = OpTypePointer Output %v2u32\n"                                                                                                     \
 413         "%op_v4f32 = OpTypePointer Output %v4f32\n"                                                                                                     \
 414         "%op_v4i32 = OpTypePointer Output %v4i32\n"                                                                                                     \
 415         "%op_v4u32 = OpTypePointer Output %v4u32\n"                                                                                                     \
 416                                                                                                                                                                                                 \
 417         "%fp_f32   = OpTypePointer Function %f32\n"                                                                                                     \
 418         "%fp_i32   = OpTypePointer Function %i32\n"                                                                                                     \
 419         "%fp_v4f32 = OpTypePointer Function %v4f32\n"
 420
 421 #define SPIRV_ASSEMBLY_CONSTANTS                                                                                                                                \
 422         "%c_f32_1 = OpConstant %f32 1.0\n"                                                                                                                      \
 423         "%c_f32_0 = OpConstant %f32 0.0\n"                                                                                                                      \
 424         "%c_f32_0_5 = OpConstant %f32 0.5\n"                                                                                                            \
 425         "%c_f32_n1  = OpConstant %f32 -1.\n"                                                                                                            \
 426         "%c_f32_7 = OpConstant %f32 7.0\n"                                                                                                                      \
 427         "%c_f32_8 = OpConstant %f32 8.0\n"                                                                                                                      \
 428         "%c_i32_0 = OpConstant %i32 0\n"                                                                                                                        \
 429         "%c_i32_1 = OpConstant %i32 1\n"                                                                                                                        \
 430         "%c_i32_2 = OpConstant %i32 2\n"                                                                                                                        \
 431         "%c_i32_3 = OpConstant %i32 3\n"                                                                                                                        \
 432         "%c_i32_4 = OpConstant %i32 4\n"                                                                                                                        \
 433         "%c_u32_0 = OpConstant %u32 0\n"                                                                                                                        \
 434         "%c_u32_1 = OpConstant %u32 1\n"                                                                                                                        \
 435         "%c_u32_2 = OpConstant %u32 2\n"                                                                                                                        \
 436         "%c_u32_3 = OpConstant %u32 3\n"                                                                                                                        \
 437         "%c_u32_32 = OpConstant %u32 32\n"                                                                                                                      \
 438         "%c_u32_4 = OpConstant %u32 4\n"                                                                                                                        \
 439         "%c_u32_31_bits = OpConstant %u32 0x7FFFFFFF\n"                                                                                         \
 440         "%c_v4f32_1_1_1_1 = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_1\n"           \
 441         "%c_v4f32_1_0_0_1 = OpConstantComposite %v4f32 %c_f32_1 %c_f32_0 %c_f32_0 %c_f32_1\n"           \
 442         "%c_v4f32_0_5_0_5_0_5_0_5 = OpConstantComposite %v4f32 %c_f32_0_5 %c_f32_0_5 %c_f32_0_5 %c_f32_0_5\n"
 443
 444 #define SPIRV_ASSEMBLY_ARRAYS                                                                                                                                   \
 445         "%a1f32 = OpTypeArray %f32 %c_u32_1\n"                                                                                                          \
 446         "%a2f32 = OpTypeArray %f32 %c_u32_2\n"                                                                                                          \
 447         "%a3v4f32 = OpTypeArray %v4f32 %c_u32_3\n"                                                                                                      \
 448         "%a4f32 = OpTypeArray %f32 %c_u32_4\n"                                                                                                          \
 449         "%a32v4f32 = OpTypeArray %v4f32 %c_u32_32\n"                                                                                            \
 450         "%ip_a3v4f32 = OpTypePointer Input %a3v4f32\n"                                                                                          \
 451         "%ip_a32v4f32 = OpTypePointer Input %a32v4f32\n"                                                                                        \
 452         "%op_a2f32 = OpTypePointer Output %a2f32\n"                                                                                                     \
 453         "%op_a3v4f32 = OpTypePointer Output %a3v4f32\n"                                                                                         \
 454         "%op_a4f32 = OpTypePointer Output %a4f32\n"
 455
 456 // Creates vertex-shader assembly by specializing a boilerplate StringTemplate
 457 // on fragments, which must (at least) map "testfun" to an OpFunction definition
 458 // for %test_code that takes and returns a %v4f32.  Boilerplate IDs are prefixed
 459 // with "BP_" to avoid collisions with fragments.
 460 //
 461 // It corresponds roughly to this GLSL:
 462 //;
 463 // layout(location = 0) in vec4 position;
 464 // layout(location = 1) in vec4 color;
 465 // layout(location = 1) out highp vec4 vtxColor;
 466 // void main (void) { gl_Position = position; vtxColor = test_func(color); }
 467 string makeVertexShaderAssembly(const map<string, string>& fragments)
 468 {
 469 // \todo [2015-11-23 awoloszyn] Remove OpName once these have stabalized
 470         static const char vertexShaderBoilerplate[] =
 471                 "OpCapability Shader\n"
 472                 "OpCapability ClipDistance\n"
 473                 "OpCapability CullDistance\n"
 474                 "${capability:opt}\n"
 475                 "${extension:opt}\n"
 476                 "OpMemoryModel Logical GLSL450\n"
 477                 "OpEntryPoint Vertex %main \"main\" %BP_stream %BP_position %BP_vtx_color %BP_color %BP_gl_VertexIndex %BP_gl_InstanceIndex ${IF_entrypoint:opt} \n"
 478                 "${debug:opt}\n"
 479                 "OpName %main \"main\"\n"
 480                 "OpName %BP_gl_PerVertex \"gl_PerVertex\"\n"
 481                 "OpMemberName %BP_gl_PerVertex 0 \"gl_Position\"\n"
 482                 "OpMemberName %BP_gl_PerVertex 1 \"gl_PointSize\"\n"
 483                 "OpMemberName %BP_gl_PerVertex 2 \"gl_ClipDistance\"\n"
 484                 "OpMemberName %BP_gl_PerVertex 3 \"gl_CullDistance\"\n"
 485                 "OpName %test_code \"testfun(vf4;\"\n"
 486                 "OpName %BP_stream \"\"\n"
 487                 "OpName %BP_position \"position\"\n"
 488                 "OpName %BP_vtx_color \"vtxColor\"\n"
 489                 "OpName %BP_color \"color\"\n"
 490                 "OpName %BP_gl_VertexIndex \"gl_VertexIndex\"\n"
 491                 "OpName %BP_gl_InstanceIndex \"gl_InstanceIndex\"\n"
 492                 "OpMemberDecorate %BP_gl_PerVertex 0 BuiltIn Position\n"
 493                 "OpMemberDecorate %BP_gl_PerVertex 1 BuiltIn PointSize\n"
 494                 "OpMemberDecorate %BP_gl_PerVertex 2 BuiltIn ClipDistance\n"
 495                 "OpMemberDecorate %BP_gl_PerVertex 3 BuiltIn CullDistance\n"
 496                 "OpDecorate %BP_gl_PerVertex Block\n"
 497                 "OpDecorate %BP_position Location 0\n"
 498                 "OpDecorate %BP_vtx_color Location 1\n"
 499                 "OpDecorate %BP_color Location 1\n"
 500                 "OpDecorate %BP_gl_VertexIndex BuiltIn VertexIndex\n"
 501                 "OpDecorate %BP_gl_InstanceIndex BuiltIn InstanceIndex\n"
 502                 "${IF_decoration:opt}\n"
 503                 "${decoration:opt}\n"
 504                 SPIRV_ASSEMBLY_TYPES
 505                 SPIRV_ASSEMBLY_CONSTANTS
 506                 SPIRV_ASSEMBLY_ARRAYS
 507                 "%BP_gl_PerVertex = OpTypeStruct %v4f32 %f32 %a1f32 %a1f32\n"
 508                 "%BP_op_gl_PerVertex = OpTypePointer Output %BP_gl_PerVertex\n"
 509                 "%BP_stream = OpVariable %BP_op_gl_PerVertex Output\n"
 510                 "%BP_position = OpVariable %ip_v4f32 Input\n"
 511                 "%BP_vtx_color = OpVariable %op_v4f32 Output\n"
 512                 "%BP_color = OpVariable %ip_v4f32 Input\n"
 513                 "%BP_gl_VertexIndex = OpVariable %ip_i32 Input\n"
 514                 "%BP_gl_InstanceIndex = OpVariable %ip_i32 Input\n"
 515                 "${pre_main:opt}\n"
 516                 "${IF_variable:opt}\n"
 517                 "%main = OpFunction %void None %fun\n"
 518                 "%BP_label = OpLabel\n"
 519                 "${IF_carryforward:opt}\n"
 520                 "%BP_pos = OpLoad %v4f32 %BP_position\n"
 521                 "%BP_gl_pos = OpAccessChain %op_v4f32 %BP_stream %c_i32_0\n"
 522                 "OpStore %BP_gl_pos %BP_pos\n"
 523                 "%BP_col = OpLoad %v4f32 %BP_color\n"
 524                 "%BP_col_transformed = OpFunctionCall %v4f32 %test_code %BP_col\n"
 525                 "OpStore %BP_vtx_color %BP_col_transformed\n"
 526                 "OpReturn\n"
 527                 "OpFunctionEnd\n"
 528                 "${interface_op_func:opt}\n"
 529
 530                 "%isUniqueIdZero = OpFunction %bool None %bool_function\n"
 531                 "%getId_label = OpLabel\n"
 532                 "%vert_id = OpLoad %i32 %BP_gl_VertexIndex\n"
 533                 "%is_id_0 = OpIEqual %bool %vert_id %c_i32_0\n"
 534                 "OpReturnValue %is_id_0\n"
 535                 "OpFunctionEnd\n"
 536
 537                 "${testfun}\n";
 538         return tcu::StringTemplate(vertexShaderBoilerplate).specialize(fragments);
 539 }
 540
 541 // Creates tess-control-shader assembly by specializing a boilerplate
 542 // StringTemplate on fragments, which must (at least) map "testfun" to an
 543 // OpFunction definition for %test_code that takes and returns a %v4f32.
 544 // Boilerplate IDs are prefixed with "BP_" to avoid collisions with fragments.
 545 //
 546 // It roughly corresponds to the following GLSL.
 547 //
 548 // #version 450
 549 // layout(vertices = 3) out;
 550 // layout(location = 1) in vec4 in_color[];
 551 // layout(location = 1) out vec4 out_color[];
 552 //
 553 // void main() {
 554 //   out_color[gl_InvocationID] = testfun(in_color[gl_InvocationID]);
 555 //   gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position;
 556 //   if (gl_InvocationID == 0) {
 557 //     gl_TessLevelOuter[0] = 1.0;
 558 //     gl_TessLevelOuter[1] = 1.0;
 559 //     gl_TessLevelOuter[2] = 1.0;
 560 //     gl_TessLevelInner[0] = 1.0;
 561 //   }
 562 // }
 563 string makeTessControlShaderAssembly (const map<string, string>& fragments)
 564 {
 565         static const char tessControlShaderBoilerplate[] =
 566                 "OpCapability Tessellation\n"
 567                 "OpCapability ClipDistance\n"
 568                 "OpCapability CullDistance\n"
 569                 "${capability:opt}\n"
 570                 "${extension:opt}\n"
 571                 "OpMemoryModel Logical GLSL450\n"
 572                 "OpEntryPoint TessellationControl %BP_main \"main\" %BP_out_color %BP_gl_InvocationID %BP_gl_PrimitiveID %BP_in_color %BP_gl_out %BP_gl_in %BP_gl_TessLevelOuter %BP_gl_TessLevelInner ${IF_entrypoint:opt} \n"
 573                 "OpExecutionMode %BP_main OutputVertices 3\n"
 574                 "${debug:opt}\n"
 575                 "OpName %BP_main \"main\"\n"
 576                 "OpName %test_code \"testfun(vf4;\"\n"
 577                 "OpName %BP_out_color \"out_color\"\n"
 578                 "OpName %BP_gl_InvocationID \"gl_InvocationID\"\n"
 579                 "OpName %BP_gl_PrimitiveID \"gl_PrimitiveID\"\n"
 580                 "OpName %BP_in_color \"in_color\"\n"
 581                 "OpName %BP_gl_PerVertex \"gl_PerVertex\"\n"
 582                 "OpMemberName %BP_gl_PerVertex 0 \"gl_Position\"\n"
 583                 "OpMemberName %BP_gl_PerVertex 1 \"gl_PointSize\"\n"
 584                 "OpMemberName %BP_gl_PerVertex 2 \"gl_ClipDistance\"\n"
 585                 "OpMemberName %BP_gl_PerVertex 3 \"gl_CullDistance\"\n"
 586                 "OpName %BP_gl_out \"gl_out\"\n"
 587                 "OpName %BP_gl_PVOut \"gl_PerVertex\"\n"
 588                 "OpMemberName %BP_gl_PVOut 0 \"gl_Position\"\n"
 589                 "OpMemberName %BP_gl_PVOut 1 \"gl_PointSize\"\n"
 590                 "OpMemberName %BP_gl_PVOut 2 \"gl_ClipDistance\"\n"
 591                 "OpMemberName %BP_gl_PVOut 3 \"gl_CullDistance\"\n"
 592                 "OpName %BP_gl_in \"gl_in\"\n"
 593                 "OpName %BP_gl_TessLevelOuter \"gl_TessLevelOuter\"\n"
 594                 "OpName %BP_gl_TessLevelInner \"gl_TessLevelInner\"\n"
 595                 "OpDecorate %BP_out_color Location 1\n"
 596                 "OpDecorate %BP_gl_InvocationID BuiltIn InvocationId\n"
 597                 "OpDecorate %BP_gl_PrimitiveID BuiltIn PrimitiveId\n"
 598                 "OpDecorate %BP_in_color Location 1\n"
 599                 "OpMemberDecorate %BP_gl_PerVertex 0 BuiltIn Position\n"
 600                 "OpMemberDecorate %BP_gl_PerVertex 1 BuiltIn PointSize\n"
 601                 "OpMemberDecorate %BP_gl_PerVertex 2 BuiltIn ClipDistance\n"
 602                 "OpMemberDecorate %BP_gl_PerVertex 3 BuiltIn CullDistance\n"
 603                 "OpDecorate %BP_gl_PerVertex Block\n"
 604                 "OpMemberDecorate %BP_gl_PVOut 0 BuiltIn Position\n"
 605                 "OpMemberDecorate %BP_gl_PVOut 1 BuiltIn PointSize\n"
 606                 "OpMemberDecorate %BP_gl_PVOut 2 BuiltIn ClipDistance\n"
 607                 "OpMemberDecorate %BP_gl_PVOut 3 BuiltIn CullDistance\n"
 608                 "OpDecorate %BP_gl_PVOut Block\n"
 609                 "OpDecorate %BP_gl_TessLevelOuter Patch\n"
 610                 "OpDecorate %BP_gl_TessLevelOuter BuiltIn TessLevelOuter\n"
 611                 "OpDecorate %BP_gl_TessLevelInner Patch\n"
 612                 "OpDecorate %BP_gl_TessLevelInner BuiltIn TessLevelInner\n"
 613                 "${IF_decoration:opt}\n"
 614                 "${decoration:opt}\n"
 615                 SPIRV_ASSEMBLY_TYPES
 616                 SPIRV_ASSEMBLY_CONSTANTS
 617                 SPIRV_ASSEMBLY_ARRAYS
 618                 "%BP_out_color = OpVariable %op_a3v4f32 Output\n"
 619                 "%BP_gl_InvocationID = OpVariable %ip_i32 Input\n"
 620                 "%BP_gl_PrimitiveID = OpVariable %ip_i32 Input\n"
 621                 "%BP_in_color = OpVariable %ip_a32v4f32 Input\n"
 622                 "%BP_gl_PerVertex = OpTypeStruct %v4f32 %f32 %a1f32 %a1f32\n"
 623                 "%BP_a3_gl_PerVertex = OpTypeArray %BP_gl_PerVertex %c_u32_3\n"
 624                 "%BP_op_a3_gl_PerVertex = OpTypePointer Output %BP_a3_gl_PerVertex\n"
 625                 "%BP_gl_out = OpVariable %BP_op_a3_gl_PerVertex Output\n"
 626                 "%BP_gl_PVOut = OpTypeStruct %v4f32 %f32 %a1f32 %a1f32\n"
 627                 "%BP_a32_gl_PVOut = OpTypeArray %BP_gl_PVOut %c_u32_32\n"
 628                 "%BP_ip_a32_gl_PVOut = OpTypePointer Input %BP_a32_gl_PVOut\n"
 629                 "%BP_gl_in = OpVariable %BP_ip_a32_gl_PVOut Input\n"
 630                 "%BP_gl_TessLevelOuter = OpVariable %op_a4f32 Output\n"
 631                 "%BP_gl_TessLevelInner = OpVariable %op_a2f32 Output\n"
 632                 "${pre_main:opt}\n"
 633                 "${IF_variable:opt}\n"
 634
 635                 "%BP_main = OpFunction %void None %fun\n"
 636                 "%BP_label = OpLabel\n"
 637                 "%BP_gl_Invoc = OpLoad %i32 %BP_gl_InvocationID\n"
 638                 "${IF_carryforward:opt}\n"
 639                 "%BP_in_col_loc = OpAccessChain %ip_v4f32 %BP_in_color %BP_gl_Invoc\n"
 640                 "%BP_out_col_loc = OpAccessChain %op_v4f32 %BP_out_color %BP_gl_Invoc\n"
 641                 "%BP_in_col_val = OpLoad %v4f32 %BP_in_col_loc\n"
 642                 "%BP_clr_transformed = OpFunctionCall %v4f32 %test_code %BP_in_col_val\n"
 643                 "OpStore %BP_out_col_loc %BP_clr_transformed\n"
 644
 645                 "%BP_in_pos_loc = OpAccessChain %ip_v4f32 %BP_gl_in %BP_gl_Invoc %c_i32_0\n"
 646                 "%BP_out_pos_loc = OpAccessChain %op_v4f32 %BP_gl_out %BP_gl_Invoc %c_i32_0\n"
 647                 "%BP_in_pos_val = OpLoad %v4f32 %BP_in_pos_loc\n"
 648                 "OpStore %BP_out_pos_loc %BP_in_pos_val\n"
 649
 650                 "%BP_cmp = OpIEqual %bool %BP_gl_Invoc %c_i32_0\n"
 651                 "OpSelectionMerge %BP_merge_label None\n"
 652                 "OpBranchConditional %BP_cmp %BP_if_label %BP_merge_label\n"
 653                 "%BP_if_label = OpLabel\n"
 654                 "%BP_gl_TessLevelOuterPos_0 = OpAccessChain %op_f32 %BP_gl_TessLevelOuter %c_i32_0\n"
 655                 "%BP_gl_TessLevelOuterPos_1 = OpAccessChain %op_f32 %BP_gl_TessLevelOuter %c_i32_1\n"
 656                 "%BP_gl_TessLevelOuterPos_2 = OpAccessChain %op_f32 %BP_gl_TessLevelOuter %c_i32_2\n"
 657                 "%BP_gl_TessLevelInnerPos_0 = OpAccessChain %op_f32 %BP_gl_TessLevelInner %c_i32_0\n"
 658                 "OpStore %BP_gl_TessLevelOuterPos_0 %c_f32_1\n"
 659                 "OpStore %BP_gl_TessLevelOuterPos_1 %c_f32_1\n"
 660                 "OpStore %BP_gl_TessLevelOuterPos_2 %c_f32_1\n"
 661                 "OpStore %BP_gl_TessLevelInnerPos_0 %c_f32_1\n"
 662                 "OpBranch %BP_merge_label\n"
 663                 "%BP_merge_label = OpLabel\n"
 664                 "OpReturn\n"
 665                 "OpFunctionEnd\n"
 666                 "${interface_op_func:opt}\n"
 667
 668                 "%isUniqueIdZero = OpFunction %bool None %bool_function\n"
 669                 "%getId_label = OpLabel\n"
 670                 "%invocation_id = OpLoad %i32 %BP_gl_InvocationID\n"
 671                 "%primitive_id = OpLoad %i32 %BP_gl_PrimitiveID\n"
 672                 "%is_invocation_0 = OpIEqual %bool %invocation_id %c_i32_0\n"
 673                 "%is_primitive_0 = OpIEqual %bool %primitive_id %c_i32_0\n"
 674                 "%is_id_0 = OpLogicalAnd %bool %is_invocation_0 %is_primitive_0\n"
 675                 "OpReturnValue %is_id_0\n"
 676                 "OpFunctionEnd\n"
 677
 678                 "${testfun}\n";
 679         return tcu::StringTemplate(tessControlShaderBoilerplate).specialize(fragments);
 680 }
 681
 682 // Creates tess-evaluation-shader assembly by specializing a boilerplate
 683 // StringTemplate on fragments, which must (at least) map "testfun" to an
 684 // OpFunction definition for %test_code that takes and returns a %v4f32.
 685 // Boilerplate IDs are prefixed with "BP_" to avoid collisions with fragments.
 686 //
 687 // It roughly corresponds to the following glsl.
 688 //
 689 // #version 450
 690 //
 691 // layout(triangles, equal_spacing, ccw) in;
 692 // layout(location = 1) in vec4 in_color[];
 693 // layout(location = 1) out vec4 out_color;
 694 //
 695 // #define interpolate(val)
 696 //   vec4(gl_TessCoord.x) * val[0] + vec4(gl_TessCoord.y) * val[1] +
 697 //          vec4(gl_TessCoord.z) * val[2]
 698 //
 699 // void main() {
 700 //   gl_Position = vec4(gl_TessCoord.x) * gl_in[0].gl_Position +
 701 //                  vec4(gl_TessCoord.y) * gl_in[1].gl_Position +
 702 //                  vec4(gl_TessCoord.z) * gl_in[2].gl_Position;
 703 //   out_color = testfun(interpolate(in_color));
 704 // }
 705 string makeTessEvalShaderAssembly(const map<string, string>& fragments)
 706 {
 707         static const char tessEvalBoilerplate[] =
 708                 "OpCapability Tessellation\n"
 709                 "OpCapability ClipDistance\n"
 710                 "OpCapability CullDistance\n"
 711                 "${capability:opt}\n"
 712                 "${extension:opt}\n"
 713                 "OpMemoryModel Logical GLSL450\n"
 714                 "OpEntryPoint TessellationEvaluation %BP_main \"main\" %BP_stream %BP_gl_TessCoord %BP_gl_PrimitiveID %BP_gl_in %BP_out_color %BP_in_color ${IF_entrypoint:opt} \n"
 715                 "OpExecutionMode %BP_main Triangles\n"
 716                 "OpExecutionMode %BP_main SpacingEqual\n"
 717                 "OpExecutionMode %BP_main VertexOrderCcw\n"
 718                 "${debug:opt}\n"
 719                 "OpName %BP_main \"main\"\n"
 720                 "OpName %test_code \"testfun(vf4;\"\n"
 721                 "OpName %BP_gl_PerVertexOut \"gl_PerVertex\"\n"
 722                 "OpMemberName %BP_gl_PerVertexOut 0 \"gl_Position\"\n"
 723                 "OpMemberName %BP_gl_PerVertexOut 1 \"gl_PointSize\"\n"
 724                 "OpMemberName %BP_gl_PerVertexOut 2 \"gl_ClipDistance\"\n"
 725                 "OpMemberName %BP_gl_PerVertexOut 3 \"gl_CullDistance\"\n"
 726                 "OpName %BP_stream \"\"\n"
 727                 "OpName %BP_gl_TessCoord \"gl_TessCoord\"\n"
 728                 "OpName %BP_gl_PerVertexIn \"gl_PerVertex\"\n"
 729                 "OpName %BP_gl_PrimitiveID \"gl_PrimitiveID\"\n"
 730                 "OpMemberName %BP_gl_PerVertexIn 0 \"gl_Position\"\n"
 731                 "OpMemberName %BP_gl_PerVertexIn 1 \"gl_PointSize\"\n"
 732                 "OpMemberName %BP_gl_PerVertexIn 2 \"gl_ClipDistance\"\n"
 733                 "OpMemberName %BP_gl_PerVertexIn 3 \"gl_CullDistance\"\n"
 734                 "OpName %BP_gl_in \"gl_in\"\n"
 735                 "OpName %BP_out_color \"out_color\"\n"
 736                 "OpName %BP_in_color \"in_color\"\n"
 737                 "OpMemberDecorate %BP_gl_PerVertexOut 0 BuiltIn Position\n"
 738                 "OpMemberDecorate %BP_gl_PerVertexOut 1 BuiltIn PointSize\n"
 739                 "OpMemberDecorate %BP_gl_PerVertexOut 2 BuiltIn ClipDistance\n"
 740                 "OpMemberDecorate %BP_gl_PerVertexOut 3 BuiltIn CullDistance\n"
 741                 "OpDecorate %BP_gl_PerVertexOut Block\n"
 742                 "OpDecorate %BP_gl_PrimitiveID BuiltIn PrimitiveId\n"
 743                 "OpDecorate %BP_gl_TessCoord BuiltIn TessCoord\n"
 744                 "OpMemberDecorate %BP_gl_PerVertexIn 0 BuiltIn Position\n"
 745                 "OpMemberDecorate %BP_gl_PerVertexIn 1 BuiltIn PointSize\n"
 746                 "OpMemberDecorate %BP_gl_PerVertexIn 2 BuiltIn ClipDistance\n"
 747                 "OpMemberDecorate %BP_gl_PerVertexIn 3 BuiltIn CullDistance\n"
 748                 "OpDecorate %BP_gl_PerVertexIn Block\n"
 749                 "OpDecorate %BP_out_color Location 1\n"
 750                 "OpDecorate %BP_in_color Location 1\n"
 751                 "${IF_decoration:opt}\n"
 752                 "${decoration:opt}\n"
 753                 SPIRV_ASSEMBLY_TYPES
 754                 SPIRV_ASSEMBLY_CONSTANTS
 755                 SPIRV_ASSEMBLY_ARRAYS
 756                 "%BP_gl_PerVertexOut = OpTypeStruct %v4f32 %f32 %a1f32 %a1f32\n"
 757                 "%BP_op_gl_PerVertexOut = OpTypePointer Output %BP_gl_PerVertexOut\n"
 758                 "%BP_stream = OpVariable %BP_op_gl_PerVertexOut Output\n"
 759                 "%BP_gl_TessCoord = OpVariable %ip_v3f32 Input\n"
 760                 "%BP_gl_PrimitiveID = OpVariable %op_i32 Input\n"
 761                 "%BP_gl_PerVertexIn = OpTypeStruct %v4f32 %f32 %a1f32 %a1f32\n"
 762                 "%BP_a32_gl_PerVertexIn = OpTypeArray %BP_gl_PerVertexIn %c_u32_32\n"
 763                 "%BP_ip_a32_gl_PerVertexIn = OpTypePointer Input %BP_a32_gl_PerVertexIn\n"
 764                 "%BP_gl_in = OpVariable %BP_ip_a32_gl_PerVertexIn Input\n"
 765                 "%BP_out_color = OpVariable %op_v4f32 Output\n"
 766                 "%BP_in_color = OpVariable %ip_a32v4f32 Input\n"
 767                 "${pre_main:opt}\n"
 768                 "${IF_variable:opt}\n"
 769                 "%BP_main = OpFunction %void None %fun\n"
 770                 "%BP_label = OpLabel\n"
 771                 "${IF_carryforward:opt}\n"
 772                 "%BP_gl_TC_0 = OpAccessChain %ip_f32 %BP_gl_TessCoord %c_u32_0\n"
 773                 "%BP_gl_TC_1 = OpAccessChain %ip_f32 %BP_gl_TessCoord %c_u32_1\n"
 774                 "%BP_gl_TC_2 = OpAccessChain %ip_f32 %BP_gl_TessCoord %c_u32_2\n"
 775                 "%BP_gl_in_gl_Pos_0 = OpAccessChain %ip_v4f32 %BP_gl_in %c_i32_0 %c_i32_0\n"
 776                 "%BP_gl_in_gl_Pos_1 = OpAccessChain %ip_v4f32 %BP_gl_in %c_i32_1 %c_i32_0\n"
 777                 "%BP_gl_in_gl_Pos_2 = OpAccessChain %ip_v4f32 %BP_gl_in %c_i32_2 %c_i32_0\n"
 778
 779                 "%BP_gl_OPos = OpAccessChain %op_v4f32 %BP_stream %c_i32_0\n"
 780                 "%BP_in_color_0 = OpAccessChain %ip_v4f32 %BP_in_color %c_i32_0\n"
 781                 "%BP_in_color_1 = OpAccessChain %ip_v4f32 %BP_in_color %c_i32_1\n"
 782                 "%BP_in_color_2 = OpAccessChain %ip_v4f32 %BP_in_color %c_i32_2\n"
 783
 784                 "%BP_TC_W_0 = OpLoad %f32 %BP_gl_TC_0\n"
 785                 "%BP_TC_W_1 = OpLoad %f32 %BP_gl_TC_1\n"
 786                 "%BP_TC_W_2 = OpLoad %f32 %BP_gl_TC_2\n"
 787                 "%BP_v4f32_TC_0 = OpCompositeConstruct %v4f32 %BP_TC_W_0 %BP_TC_W_0 %BP_TC_W_0 %BP_TC_W_0\n"
 788                 "%BP_v4f32_TC_1 = OpCompositeConstruct %v4f32 %BP_TC_W_1 %BP_TC_W_1 %BP_TC_W_1 %BP_TC_W_1\n"
 789                 "%BP_v4f32_TC_2 = OpCompositeConstruct %v4f32 %BP_TC_W_2 %BP_TC_W_2 %BP_TC_W_2 %BP_TC_W_2\n"
 790
 791                 "%BP_gl_IP_0 = OpLoad %v4f32 %BP_gl_in_gl_Pos_0\n"
 792                 "%BP_gl_IP_1 = OpLoad %v4f32 %BP_gl_in_gl_Pos_1\n"
 793                 "%BP_gl_IP_2 = OpLoad %v4f32 %BP_gl_in_gl_Pos_2\n"
 794
 795                 "%BP_IP_W_0 = OpFMul %v4f32 %BP_v4f32_TC_0 %BP_gl_IP_0\n"
 796                 "%BP_IP_W_1 = OpFMul %v4f32 %BP_v4f32_TC_1 %BP_gl_IP_1\n"
 797                 "%BP_IP_W_2 = OpFMul %v4f32 %BP_v4f32_TC_2 %BP_gl_IP_2\n"
 798
 799                 "%BP_pos_sum_0 = OpFAdd %v4f32 %BP_IP_W_0 %BP_IP_W_1\n"
 800                 "%BP_pos_sum_1 = OpFAdd %v4f32 %BP_pos_sum_0 %BP_IP_W_2\n"
 801
 802                 "OpStore %BP_gl_OPos %BP_pos_sum_1\n"
 803
 804                 "%BP_IC_0 = OpLoad %v4f32 %BP_in_color_0\n"
 805                 "%BP_IC_1 = OpLoad %v4f32 %BP_in_color_1\n"
 806                 "%BP_IC_2 = OpLoad %v4f32 %BP_in_color_2\n"
 807
 808                 "%BP_IC_W_0 = OpFMul %v4f32 %BP_v4f32_TC_0 %BP_IC_0\n"
 809                 "%BP_IC_W_1 = OpFMul %v4f32 %BP_v4f32_TC_1 %BP_IC_1\n"
 810                 "%BP_IC_W_2 = OpFMul %v4f32 %BP_v4f32_TC_2 %BP_IC_2\n"
 811
 812                 "%BP_col_sum_0 = OpFAdd %v4f32 %BP_IC_W_0 %BP_IC_W_1\n"
 813                 "%BP_col_sum_1 = OpFAdd %v4f32 %BP_col_sum_0 %BP_IC_W_2\n"
 814
 815                 "%BP_clr_transformed = OpFunctionCall %v4f32 %test_code %BP_col_sum_1\n"
 816
 817                 "OpStore %BP_out_color %BP_clr_transformed\n"
 818                 "OpReturn\n"
 819                 "OpFunctionEnd\n"
 820                 "${interface_op_func:opt}\n"
 821
 822                 "%isUniqueIdZero = OpFunction %bool None %bool_function\n"
 823                 "%getId_label = OpLabel\n"
 824                 "%primitive_id = OpLoad %i32 %BP_gl_PrimitiveID\n"
 825                 "%is_primitive_0 = OpIEqual %bool %primitive_id %c_i32_0\n"
 826                 "%TC_0_loc = OpAccessChain %ip_f32 %BP_gl_TessCoord %c_u32_0\n"
 827                 "%TC_1_loc = OpAccessChain %ip_f32 %BP_gl_TessCoord %c_u32_1\n"
 828                 "%TC_2_loc = OpAccessChain %ip_f32 %BP_gl_TessCoord %c_u32_2\n"
 829                 "%TC_W_0 = OpLoad %f32 %TC_0_loc\n"
 830                 "%TC_W_1 = OpLoad %f32 %TC_1_loc\n"
 831                 "%TC_W_2 = OpLoad %f32 %TC_2_loc\n"
 832                 "%is_W_0_1 = OpFOrdEqual %bool %TC_W_0 %c_f32_1\n"
 833                 "%is_W_1_0 = OpFOrdEqual %bool %TC_W_1 %c_f32_0\n"
 834                 "%is_W_2_0 = OpFOrdEqual %bool %TC_W_2 %c_f32_0\n"
 835                 "%is_tessCoord_1_0 = OpLogicalAnd %bool %is_W_0_1 %is_W_1_0\n"
 836                 "%is_tessCoord_1_0_0 = OpLogicalAnd %bool %is_tessCoord_1_0 %is_W_2_0\n"
 837                 "%is_unique_id_0 = OpLogicalAnd %bool %is_tessCoord_1_0_0 %is_primitive_0\n"
 838                 "OpReturnValue %is_unique_id_0\n"
 839                 "OpFunctionEnd\n"
 840
 841                 "${testfun}\n";
 842         return tcu::StringTemplate(tessEvalBoilerplate).specialize(fragments);
 843 }
 844
 845 // Creates geometry-shader assembly by specializing a boilerplate StringTemplate
 846 // on fragments, which must (at least) map "testfun" to an OpFunction definition
 847 // for %test_code that takes and returns a %v4f32.  Boilerplate IDs are prefixed
 848 // with "BP_" to avoid collisions with fragments.
 849 //
 850 // Derived from this GLSL:
 851 //
 852 // #version 450
 853 // layout(triangles) in;
 854 // layout(triangle_strip, max_vertices = 3) out;
 855 //
 856 // layout(location = 1) in vec4 in_color[];
 857 // layout(location = 1) out vec4 out_color;
 858 //
 859 // void main() {
 860 //   gl_Position = gl_in[0].gl_Position;
 861 //   out_color = test_fun(in_color[0]);
 862 //   EmitVertex();
 863 //   gl_Position = gl_in[1].gl_Position;
 864 //   out_color = test_fun(in_color[1]);
 865 //   EmitVertex();
 866 //   gl_Position = gl_in[2].gl_Position;
 867 //   out_color = test_fun(in_color[2]);
 868 //   EmitVertex();
 869 //   EndPrimitive();
 870 // }
 871 string makeGeometryShaderAssembly(const map<string, string>& fragments)
 872 {
 873         static const char geometryShaderBoilerplate[] =
 874                 "OpCapability Geometry\n"
 875                 "OpCapability ClipDistance\n"
 876                 "OpCapability CullDistance\n"
 877                 "${capability:opt}\n"
 878                 "${extension:opt}\n"
 879                 "OpMemoryModel Logical GLSL450\n"
 880                 "OpEntryPoint Geometry %BP_main \"main\" %BP_out_gl_position %BP_gl_PrimitiveID %BP_gl_in %BP_out_color %BP_in_color ${IF_entrypoint:opt} \n"
 881                 "OpExecutionMode %BP_main Triangles\n"
 882                 "OpExecutionMode %BP_main OutputTriangleStrip\n"
 883                 "OpExecutionMode %BP_main OutputVertices 3\n"
 884                 "${debug:opt}\n"
 885                 "OpName %BP_main \"main\"\n"
 886                 "OpName %BP_gl_PrimitiveID \"gl_PrimitiveID\"\n"
 887                 "OpName %BP_per_vertex_in \"gl_PerVertex\"\n"
 888                 "OpMemberName %BP_per_vertex_in 0 \"gl_Position\"\n"
 889                 "OpMemberName %BP_per_vertex_in 1 \"gl_PointSize\"\n"
 890                 "OpMemberName %BP_per_vertex_in 2 \"gl_ClipDistance\"\n"
 891                 "OpMemberName %BP_per_vertex_in 3 \"gl_CullDistance\"\n"
 892                 "OpName %BP_gl_in \"gl_in\"\n"
 893                 "OpName %BP_out_color \"out_color\"\n"
 894                 "OpName %BP_in_color \"in_color\"\n"
 895                 "OpName %test_code \"testfun(vf4;\"\n"
 896                 "OpDecorate %BP_gl_PrimitiveID BuiltIn PrimitiveId\n"
 897                 "OpDecorate %BP_out_gl_position BuiltIn Position\n"
 898                 "OpMemberDecorate %BP_per_vertex_in 0 BuiltIn Position\n"
 899                 "OpMemberDecorate %BP_per_vertex_in 1 BuiltIn PointSize\n"
 900                 "OpMemberDecorate %BP_per_vertex_in 2 BuiltIn ClipDistance\n"
 901                 "OpMemberDecorate %BP_per_vertex_in 3 BuiltIn CullDistance\n"
 902                 "OpDecorate %BP_per_vertex_in Block\n"
 903                 "OpDecorate %BP_out_color Location 1\n"
 904                 "OpDecorate %BP_in_color Location 1\n"
 905                 "${IF_decoration:opt}\n"
 906                 "${decoration:opt}\n"
 907                 SPIRV_ASSEMBLY_TYPES
 908                 SPIRV_ASSEMBLY_CONSTANTS
 909                 SPIRV_ASSEMBLY_ARRAYS
 910                 "%BP_per_vertex_in = OpTypeStruct %v4f32 %f32 %a1f32 %a1f32\n"
 911                 "%BP_a3_per_vertex_in = OpTypeArray %BP_per_vertex_in %c_u32_3\n"
 912                 "%BP_ip_a3_per_vertex_in = OpTypePointer Input %BP_a3_per_vertex_in\n"
 913                 "%BP_pp_i32 = OpTypePointer Private %i32\n"
 914                 "%BP_pp_v4i32 = OpTypePointer Private %v4i32\n"
 915
 916                 "%BP_gl_in = OpVariable %BP_ip_a3_per_vertex_in Input\n"
 917                 "%BP_out_color = OpVariable %op_v4f32 Output\n"
 918                 "%BP_in_color = OpVariable %ip_a3v4f32 Input\n"
 919                 "%BP_gl_PrimitiveID = OpVariable %ip_i32 Input\n"
 920                 "%BP_out_gl_position = OpVariable %op_v4f32 Output\n"
 921                 "%BP_vertexIdInCurrentPatch = OpVariable %BP_pp_v4i32 Private\n"
 922                 "${pre_main:opt}\n"
 923                 "${IF_variable:opt}\n"
 924
 925                 "%BP_main = OpFunction %void None %fun\n"
 926                 "%BP_label = OpLabel\n"
 927
 928                 "${IF_carryforward:opt}\n"
 929
 930                 "%BP_primitiveId = OpLoad %i32 %BP_gl_PrimitiveID\n"
 931                 "%BP_addr_vertexIdInCurrentPatch = OpAccessChain %BP_pp_i32 %BP_vertexIdInCurrentPatch %BP_primitiveId\n"
 932
 933                 "%BP_gl_in_0_gl_position = OpAccessChain %ip_v4f32 %BP_gl_in %c_i32_0 %c_i32_0\n"
 934                 "%BP_gl_in_1_gl_position = OpAccessChain %ip_v4f32 %BP_gl_in %c_i32_1 %c_i32_0\n"
 935                 "%BP_gl_in_2_gl_position = OpAccessChain %ip_v4f32 %BP_gl_in %c_i32_2 %c_i32_0\n"
 936
 937                 "%BP_in_position_0 = OpLoad %v4f32 %BP_gl_in_0_gl_position\n"
 938                 "%BP_in_position_1 = OpLoad %v4f32 %BP_gl_in_1_gl_position\n"
 939                 "%BP_in_position_2 = OpLoad %v4f32 %BP_gl_in_2_gl_position \n"
 940
 941                 "%BP_in_color_0_ptr = OpAccessChain %ip_v4f32 %BP_in_color %c_i32_0\n"
 942                 "%BP_in_color_1_ptr = OpAccessChain %ip_v4f32 %BP_in_color %c_i32_1\n"
 943                 "%BP_in_color_2_ptr = OpAccessChain %ip_v4f32 %BP_in_color %c_i32_2\n"
 944
 945                 "%BP_in_color_0 = OpLoad %v4f32 %BP_in_color_0_ptr\n"
 946                 "%BP_in_color_1 = OpLoad %v4f32 %BP_in_color_1_ptr\n"
 947                 "%BP_in_color_2 = OpLoad %v4f32 %BP_in_color_2_ptr\n"
 948
 949                 "OpStore %BP_addr_vertexIdInCurrentPatch %c_i32_0\n"
 950                 "%BP_transformed_in_color_0 = OpFunctionCall %v4f32 %test_code %BP_in_color_0\n"
 951                 "OpStore %BP_addr_vertexIdInCurrentPatch %c_i32_1\n"
 952                 "%BP_transformed_in_color_1 = OpFunctionCall %v4f32 %test_code %BP_in_color_1\n"
 953                 "OpStore %BP_addr_vertexIdInCurrentPatch %c_i32_2\n"
 954                 "%BP_transformed_in_color_2 = OpFunctionCall %v4f32 %test_code %BP_in_color_2\n"
 955
 956
 957                 "OpStore %BP_out_gl_position %BP_in_position_0\n"
 958                 "OpStore %BP_out_color %BP_transformed_in_color_0\n"
 959                 "OpEmitVertex\n"
 960
 961                 "OpStore %BP_out_gl_position %BP_in_position_1\n"
 962                 "OpStore %BP_out_color %BP_transformed_in_color_1\n"
 963                 "OpEmitVertex\n"
 964
 965                 "OpStore %BP_out_gl_position %BP_in_position_2\n"
 966                 "OpStore %BP_out_color %BP_transformed_in_color_2\n"
 967                 "OpEmitVertex\n"
 968
 969                 "OpEndPrimitive\n"
 970                 "OpReturn\n"
 971                 "OpFunctionEnd\n"
 972                 "${interface_op_func:opt}\n"
 973
 974                 "%isUniqueIdZero = OpFunction %bool None %bool_function\n"
 975                 "%getId_label = OpLabel\n"
 976                 "%primitive_id = OpLoad %i32 %BP_gl_PrimitiveID\n"
 977                 "%addr_vertexIdInCurrentPatch = OpAccessChain %BP_pp_i32 %BP_vertexIdInCurrentPatch %primitive_id\n"
 978                 "%vertexIdInCurrentPatch = OpLoad %i32 %addr_vertexIdInCurrentPatch\n"
 979                 "%is_primitive_0 = OpIEqual %bool %primitive_id %c_i32_0\n"
 980                 "%is_vertex_0 = OpIEqual %bool %vertexIdInCurrentPatch %c_i32_0\n"
 981                 "%is_unique_id_0 = OpLogicalAnd %bool %is_primitive_0 %is_vertex_0\n"
 982                 "OpReturnValue %is_unique_id_0\n"
 983                 "OpFunctionEnd\n"
 984
 985                 "${testfun}\n";
 986         return tcu::StringTemplate(geometryShaderBoilerplate).specialize(fragments);
 987 }
 988
 989 // Creates fragment-shader assembly by specializing a boilerplate StringTemplate
 990 // on fragments, which must (at least) map "testfun" to an OpFunction definition
 991 // for %test_code that takes and returns a %v4f32.  Boilerplate IDs are prefixed
 992 // with "BP_" to avoid collisions with fragments.
 993 //
 994 // Derived from this GLSL:
 995 //
 996 // layout(location = 1) in highp vec4 vtxColor;
 997 // layout(location = 0) out highp vec4 fragColor;
 998 // highp vec4 testfun(highp vec4 x) { return x; }
 999 // void main(void) { fragColor = testfun(vtxColor); }
1000 //
1001 // with modifications including passing vtxColor by value and ripping out
1002 // testfun() definition.
1003 string makeFragmentShaderAssembly(const map<string, string>& fragments)
1004 {
1005         static const char fragmentShaderBoilerplate[] =
1006                 "OpCapability Shader\n"
1007                 "${capability:opt}\n"
1008                 "${extension:opt}\n"
1009                 "OpMemoryModel Logical GLSL450\n"
1010                 "OpEntryPoint Fragment %BP_main \"main\" %BP_vtxColor %BP_fragColor %BP_gl_FragCoord ${IF_entrypoint:opt} \n"
1011                 "OpExecutionMode %BP_main OriginUpperLeft\n"
1012                 "${debug:opt}\n"
1013                 "OpName %BP_main \"main\"\n"
1014                 "OpName %BP_gl_FragCoord \"fragCoord\"\n"
1015                 "OpName %BP_fragColor \"fragColor\"\n"
1016                 "OpName %BP_vtxColor \"vtxColor\"\n"
1017                 "OpName %test_code \"testfun(vf4;\"\n"
1018                 "OpDecorate %BP_fragColor Location 0\n"
1019                 "OpDecorate %BP_vtxColor Location 1\n"
1020                 "OpDecorate %BP_gl_FragCoord BuiltIn FragCoord\n"
1021                 "${IF_decoration:opt}\n"
1022                 "${decoration:opt}\n"
1023                 SPIRV_ASSEMBLY_TYPES
1024                 SPIRV_ASSEMBLY_CONSTANTS
1025                 SPIRV_ASSEMBLY_ARRAYS
1026                 "%BP_gl_FragCoord = OpVariable %ip_v4f32 Input\n"
1027                 "%BP_fragColor = OpVariable %op_v4f32 Output\n"
1028                 "%BP_vtxColor = OpVariable %ip_v4f32 Input\n"
1029                 "${pre_main:opt}\n"
1030                 "${IF_variable:opt}\n"
1031                 "%BP_main = OpFunction %void None %fun\n"
1032                 "%BP_label_main = OpLabel\n"
1033                 "${IF_carryforward:opt}\n"
1034                 "%BP_tmp1 = OpLoad %v4f32 %BP_vtxColor\n"
1035                 "%BP_tmp2 = OpFunctionCall %v4f32 %test_code %BP_tmp1\n"
1036                 "OpStore %BP_fragColor %BP_tmp2\n"
1037                 "OpReturn\n"
1038                 "OpFunctionEnd\n"
1039                 "${interface_op_func:opt}\n"
1040
1041                 "%isUniqueIdZero = OpFunction %bool None %bool_function\n"
1042                 "%getId_label = OpLabel\n"
1043                 "%loc_x_coord = OpAccessChain %ip_f32 %BP_gl_FragCoord %c_i32_0\n"
1044                 "%loc_y_coord = OpAccessChain %ip_f32 %BP_gl_FragCoord %c_i32_1\n"
1045                 "%x_coord = OpLoad %f32 %loc_x_coord\n"
1046                 "%y_coord = OpLoad %f32 %loc_y_coord\n"
1047                 "%is_x_idx0 = OpFOrdEqual %bool %x_coord %c_f32_0_5\n"
1048                 "%is_y_idx0 = OpFOrdEqual %bool %y_coord %c_f32_0_5\n"
1049                 "%is_frag_0 = OpLogicalAnd %bool %is_x_idx0 %is_y_idx0\n"
1050                 "OpReturnValue %is_frag_0\n"
1051                 "OpFunctionEnd\n"
1052
1053                 "${testfun}\n";
1054         return tcu::StringTemplate(fragmentShaderBoilerplate).specialize(fragments);
1055 }
1056
1057 // Creates mappings from placeholders to pass-through shader code which copies
1058 // the input to the output faithfully.
1059 map<string, string> passthruInterface(const IFDataType& data_type)
1060 {
1061         const string            var_type        = data_type.str();
1062         map<string, string>     fragments       = passthruFragments();
1063         const string            functype        = string("%") + var_type + "_" + var_type + "_function";
1064
1065         fragments["interface_op_func"]  =
1066                 string("%interface_op_func = OpFunction %") + var_type + " None " + functype + "\n"
1067                 "               %io_param1 = OpFunctionParameter %" + var_type + "\n"
1068                 "                %IF_label = OpLabel\n"
1069                 "                            OpReturnValue %io_param1\n"
1070                 "                            OpFunctionEnd\n";
1071         fragments["input_type"]                 = var_type;
1072         fragments["output_type"]                = var_type;
1073         fragments["pre_main"]                   = "";
1074
1075         if (!data_type.elementIs32bit())
1076         {
1077                 if (data_type.elementType == NUMBERTYPE_FLOAT16)
1078                 {
1079                         fragments["pre_main"]   += "%f16 = OpTypeFloat 16\n";
1080                 }
1081                 else if (data_type.elementType == NUMBERTYPE_INT16)
1082                 {
1083                         fragments["pre_main"]   += "%i16 = OpTypeInt 16 1\n";
1084                 }
1085                 else
1086                 {
1087                         fragments["pre_main"]   += "%u16 = OpTypeInt 16 0\n";
1088                 }
1089
1090                 fragments["capability"]         = "OpCapability StorageInputOutput16\n";
1091                 fragments["extension"]          = "OpExtension \"SPV_KHR_16bit_storage\"\n";
1092
1093                 if (data_type.isVector())
1094                 {
1095                         fragments["pre_main"]   += "%" + var_type + " = OpTypeVector %" + IFDataType(1, data_type.elementType).str() + " " + numberToString(data_type.numElements) + "\n";
1096                 }
1097
1098                 fragments["pre_main"]           +=
1099                         "%ip_" + var_type + " = OpTypePointer Input %" + var_type + "\n"
1100                         "%op_" + var_type + " = OpTypePointer Output %" + var_type + "\n";
1101         }
1102
1103         fragments["pre_main"]                   +=
1104                 functype + " = OpTypeFunction %" + var_type + " %" + var_type + "\n"
1105                 "%a3" + var_type + " = OpTypeArray %" + var_type + " %c_i32_3\n"
1106                 "%ip_a3" + var_type + " = OpTypePointer Input %a3" + var_type + "\n"
1107                 "%op_a3" + var_type + " = OpTypePointer Output %a3" + var_type + "\n";
1108
1109         return fragments;
1110 }
1111
1112 // Returns mappings from interface placeholders to their concrete values.
1113 //
1114 // The concrete values should be specialized again to provide ${input_type}
1115 // and ${output_type}.
1116 //
1117 // %ip_${input_type} and %op_${output_type} should also be defined in the final code.
1118 map<string, string> fillInterfacePlaceholderVert (void)
1119 {
1120         map<string, string>     fragments;
1121
1122         fragments["IF_entrypoint"]              = "%IF_input %IF_output";
1123         fragments["IF_variable"]                =
1124                 " %IF_input = OpVariable %ip_${input_type} Input\n"
1125                 "%IF_output = OpVariable %op_${output_type} Output\n";
1126         fragments["IF_decoration"]              =
1127                 "OpDecorate  %IF_input Location 2\n"
1128                 "OpDecorate %IF_output Location 2\n";
1129         fragments["IF_carryforward"]    =
1130                 "%IF_input_val = OpLoad %${input_type} %IF_input\n"
1131                 "   %IF_result = OpFunctionCall %${output_type} %interface_op_func %IF_input_val\n"
1132                 "                OpStore %IF_output %IF_result\n";
1133
1134         // Make sure the rest still need to be instantialized.
1135         fragments["capability"]                 = "${capability:opt}";
1136         fragments["extension"]                  = "${extension:opt}";
1137         fragments["debug"]                              = "${debug:opt}";
1138         fragments["decoration"]                 = "${decoration:opt}";
1139         fragments["pre_main"]                   = "${pre_main:opt}";
1140         fragments["testfun"]                    = "${testfun}";
1141         fragments["interface_op_func"]  = "${interface_op_func}";
1142
1143         return fragments;
1144 }
1145
1146 // Returns mappings from interface placeholders to their concrete values.
1147 //
1148 // The concrete values should be specialized again to provide ${input_type}
1149 // and ${output_type}.
1150 //
1151 // %ip_${input_type} and %op_${output_type} should also be defined in the final code.
1152 map<string, string> fillInterfacePlaceholderFrag (void)
1153 {
1154         map<string, string>     fragments;
1155
1156         fragments["IF_entrypoint"]              = "%IF_input %IF_output";
1157         fragments["IF_variable"]                =
1158                 " %IF_input = OpVariable %ip_${input_type} Input\n"
1159                 "%IF_output = OpVariable %op_${output_type} Output\n";
1160         fragments["IF_decoration"]              =
1161                 "OpDecorate %IF_input Flat\n"
1162                 "OpDecorate %IF_input Location 2\n"
1163                 "OpDecorate %IF_output Location 1\n";  // Fragment shader should write to location #1.
1164         fragments["IF_carryforward"]    =
1165                 "%IF_input_val = OpLoad %${input_type} %IF_input\n"
1166                 "   %IF_result = OpFunctionCall %${output_type} %interface_op_func %IF_input_val\n"
1167                 "                OpStore %IF_output %IF_result\n";
1168
1169         // Make sure the rest still need to be instantialized.
1170         fragments["capability"]                 = "${capability:opt}";
1171         fragments["extension"]                  = "${extension:opt}";
1172         fragments["debug"]                              = "${debug:opt}";
1173         fragments["decoration"]                 = "${decoration:opt}";
1174         fragments["pre_main"]                   = "${pre_main:opt}";
1175         fragments["testfun"]                    = "${testfun}";
1176         fragments["interface_op_func"]  = "${interface_op_func}";
1177
1178         return fragments;
1179 }
1180
1181 // Returns mappings from interface placeholders to their concrete values.
1182 //
1183 // The concrete values should be specialized again to provide ${input_type}
1184 // and ${output_type}.
1185 //
1186 // %ip_${input_type}, %op_${output_type}, %ip_a3${input_type}, and $op_a3${output_type}
1187 // should also be defined in the final code.
1188 map<string, string> fillInterfacePlaceholderTessCtrl (void)
1189 {
1190         map<string, string>     fragments;
1191
1192         fragments["IF_entrypoint"]              = "%IF_input %IF_output";
1193         fragments["IF_variable"]                =
1194                 " %IF_input = OpVariable %ip_a3${input_type} Input\n"
1195                 "%IF_output = OpVariable %op_a3${output_type} Output\n";
1196         fragments["IF_decoration"]              =
1197                 "OpDecorate  %IF_input Location 2\n"
1198                 "OpDecorate %IF_output Location 2\n";
1199         fragments["IF_carryforward"]    =
1200                 " %IF_input_ptr0 = OpAccessChain %ip_${input_type} %IF_input %c_i32_0\n"
1201                 " %IF_input_ptr1 = OpAccessChain %ip_${input_type} %IF_input %c_i32_1\n"
1202                 " %IF_input_ptr2 = OpAccessChain %ip_${input_type} %IF_input %c_i32_2\n"
1203                 "%IF_output_ptr0 = OpAccessChain %op_${output_type} %IF_output %c_i32_0\n"
1204                 "%IF_output_ptr1 = OpAccessChain %op_${output_type} %IF_output %c_i32_1\n"
1205                 "%IF_output_ptr2 = OpAccessChain %op_${output_type} %IF_output %c_i32_2\n"
1206                 "%IF_input_val0 = OpLoad %${input_type} %IF_input_ptr0\n"
1207                 "%IF_input_val1 = OpLoad %${input_type} %IF_input_ptr1\n"
1208                 "%IF_input_val2 = OpLoad %${input_type} %IF_input_ptr2\n"
1209                 "%IF_input_res0 = OpFunctionCall %${output_type} %interface_op_func %IF_input_val0\n"
1210                 "%IF_input_res1 = OpFunctionCall %${output_type} %interface_op_func %IF_input_val1\n"
1211                 "%IF_input_res2 = OpFunctionCall %${output_type} %interface_op_func %IF_input_val2\n"
1212                 "OpStore %IF_output_ptr0 %IF_input_res0\n"
1213                 "OpStore %IF_output_ptr1 %IF_input_res1\n"
1214                 "OpStore %IF_output_ptr2 %IF_input_res2\n";
1215
1216         // Make sure the rest still need to be instantialized.
1217         fragments["capability"]                 = "${capability:opt}";
1218         fragments["extension"]                  = "${extension:opt}";
1219         fragments["debug"]                              = "${debug:opt}";
1220         fragments["decoration"]                 = "${decoration:opt}";
1221         fragments["pre_main"]                   = "${pre_main:opt}";
1222         fragments["testfun"]                    = "${testfun}";
1223         fragments["interface_op_func"]  = "${interface_op_func}";
1224
1225         return fragments;
1226 }
1227
1228 // Returns mappings from interface placeholders to their concrete values.
1229 //
1230 // The concrete values should be specialized again to provide ${input_type}
1231 // and ${output_type}.
1232 //
1233 // %ip_${input_type}, %op_${output_type}, %ip_a3${input_type}, and $op_a3${output_type}
1234 // should also be defined in the final code.
1235 map<string, string> fillInterfacePlaceholderTessEvalGeom (void)
1236 {
1237         map<string, string>     fragments;
1238
1239         fragments["IF_entrypoint"]              = "%IF_input %IF_output";
1240         fragments["IF_variable"]                =
1241                 " %IF_input = OpVariable %ip_a3${input_type} Input\n"
1242                 "%IF_output = OpVariable %op_${output_type} Output\n";
1243         fragments["IF_decoration"]              =
1244                 "OpDecorate  %IF_input Location 2\n"
1245                 "OpDecorate %IF_output Location 2\n";
1246         fragments["IF_carryforward"]    =
1247                 // Only get the first value since all three values are the same anyway.
1248                 " %IF_input_ptr0 = OpAccessChain %ip_${input_type} %IF_input %c_i32_0\n"
1249                 " %IF_input_val0 = OpLoad %${input_type} %IF_input_ptr0\n"
1250                 " %IF_input_res0 = OpFunctionCall %${output_type} %interface_op_func %IF_input_val0\n"
1251                 "OpStore %IF_output %IF_input_res0\n";
1252
1253         // Make sure the rest still need to be instantialized.
1254         fragments["capability"]                 = "${capability:opt}";
1255         fragments["extension"]                  = "${extension:opt}";
1256         fragments["debug"]                              = "${debug:opt}";
1257         fragments["decoration"]                 = "${decoration:opt}";
1258         fragments["pre_main"]                   = "${pre_main:opt}";
1259         fragments["testfun"]                    = "${testfun}";
1260         fragments["interface_op_func"]  = "${interface_op_func}";
1261
1262         return fragments;
1263 }
1264
1265 map<string, string> passthruFragments(void)
1266 {
1267         map<string, string> fragments;
1268         fragments["testfun"] =
1269                 // A %test_code function that returns its argument unchanged.
1270                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
1271                 "%param1 = OpFunctionParameter %v4f32\n"
1272                 "%label_testfun = OpLabel\n"
1273                 "OpReturnValue %param1\n"
1274                 "OpFunctionEnd\n";
1275         return fragments;
1276 }
1277
1278 // Adds shader assembly text to dst.spirvAsmSources for all shader kinds.
1279 // Vertex shader gets custom code from context, the rest are pass-through.
1280 void addShaderCodeCustomVertex(vk::SourceCollections& dst, InstanceContext context)
1281 {
1282         if (!context.interfaces.empty())
1283         {
1284                 // Inject boilerplate code to wire up additional input/output variables between stages.
1285                 // Just copy the contents in input variable to output variable in all stages except
1286                 // the customized stage.
1287                 dst.spirvAsmSources.add("vert") << StringTemplate(makeVertexShaderAssembly(fillInterfacePlaceholderVert())).specialize(context.testCodeFragments);
1288                 dst.spirvAsmSources.add("frag") << StringTemplate(makeFragmentShaderAssembly(fillInterfacePlaceholderFrag())).specialize(passthruInterface(context.interfaces.getOutputType()));
1289         } else {
1290                 map<string, string> passthru = passthruFragments();
1291
1292                 dst.spirvAsmSources.add("vert") << makeVertexShaderAssembly(context.testCodeFragments);
1293                 dst.spirvAsmSources.add("frag") << makeFragmentShaderAssembly(passthru);
1294         }
1295 }
1296
1297 // Adds shader assembly text to dst.spirvAsmSources for all shader kinds.
1298 // Tessellation control shader gets custom code from context, the rest are
1299 // pass-through.
1300 void addShaderCodeCustomTessControl(vk::SourceCollections& dst, InstanceContext context)
1301 {
1302         if (!context.interfaces.empty())
1303         {
1304                 // Inject boilerplate code to wire up additional input/output variables between stages.
1305                 // Just copy the contents in input variable to output variable in all stages except
1306                 // the customized stage.
1307                 dst.spirvAsmSources.add("vert") << StringTemplate(makeVertexShaderAssembly(fillInterfacePlaceholderVert())).specialize(passthruInterface(context.interfaces.getInputType()));
1308                 dst.spirvAsmSources.add("tessc") << StringTemplate(makeTessControlShaderAssembly(fillInterfacePlaceholderTessCtrl())).specialize(context.testCodeFragments);
1309                 dst.spirvAsmSources.add("tesse") << StringTemplate(makeTessEvalShaderAssembly(fillInterfacePlaceholderTessEvalGeom())).specialize(passthruInterface(context.interfaces.getOutputType()));
1310                 dst.spirvAsmSources.add("frag") << StringTemplate(makeFragmentShaderAssembly(fillInterfacePlaceholderFrag())).specialize(passthruInterface(context.interfaces.getOutputType()));
1311         }
1312         else
1313         {
1314                 map<string, string> passthru = passthruFragments();
1315
1316                 dst.spirvAsmSources.add("vert") << makeVertexShaderAssembly(passthru);
1317                 dst.spirvAsmSources.add("tessc") << makeTessControlShaderAssembly(context.testCodeFragments);
1318                 dst.spirvAsmSources.add("tesse") << makeTessEvalShaderAssembly(passthru);
1319                 dst.spirvAsmSources.add("frag") << makeFragmentShaderAssembly(passthru);
1320         }
1321 }
1322
1323 // Adds shader assembly text to dst.spirvAsmSources for all shader kinds.
1324 // Tessellation evaluation shader gets custom code from context, the rest are
1325 // pass-through.
1326 void addShaderCodeCustomTessEval(vk::SourceCollections& dst, InstanceContext context)
1327 {
1328         if (!context.interfaces.empty())
1329         {
1330                 // Inject boilerplate code to wire up additional input/output variables between stages.
1331                 // Just copy the contents in input variable to output variable in all stages except
1332                 // the customized stage.
1333                 dst.spirvAsmSources.add("vert") << StringTemplate(makeVertexShaderAssembly(fillInterfacePlaceholderVert())).specialize(passthruInterface(context.interfaces.getInputType()));
1334                 dst.spirvAsmSources.add("tessc") << StringTemplate(makeTessControlShaderAssembly(fillInterfacePlaceholderTessCtrl())).specialize(passthruInterface(context.interfaces.getInputType()));
1335                 dst.spirvAsmSources.add("tesse") << StringTemplate(makeTessEvalShaderAssembly(fillInterfacePlaceholderTessEvalGeom())).specialize(context.testCodeFragments);
1336                 dst.spirvAsmSources.add("frag") << StringTemplate(makeFragmentShaderAssembly(fillInterfacePlaceholderFrag())).specialize(passthruInterface(context.interfaces.getOutputType()));
1337         }
1338         else
1339         {
1340                 map<string, string> passthru = passthruFragments();
1341                 dst.spirvAsmSources.add("vert") << makeVertexShaderAssembly(passthru);
1342                 dst.spirvAsmSources.add("tessc") << makeTessControlShaderAssembly(passthru);
1343                 dst.spirvAsmSources.add("tesse") << makeTessEvalShaderAssembly(context.testCodeFragments);
1344                 dst.spirvAsmSources.add("frag") << makeFragmentShaderAssembly(passthru);
1345         }
1346 }
1347
1348 // Adds shader assembly text to dst.spirvAsmSources for all shader kinds.
1349 // Geometry shader gets custom code from context, the rest are pass-through.
1350 void addShaderCodeCustomGeometry(vk::SourceCollections& dst, InstanceContext context)
1351 {
1352         if (!context.interfaces.empty())
1353         {
1354                 // Inject boilerplate code to wire up additional input/output variables between stages.
1355                 // Just copy the contents in input variable to output variable in all stages except
1356                 // the customized stage.
1357                 dst.spirvAsmSources.add("vert") << StringTemplate(makeVertexShaderAssembly(fillInterfacePlaceholderVert())).specialize(passthruInterface(context.interfaces.getInputType()));
1358                 dst.spirvAsmSources.add("geom") << StringTemplate(makeGeometryShaderAssembly(fillInterfacePlaceholderTessEvalGeom())).specialize(context.testCodeFragments);
1359                 dst.spirvAsmSources.add("frag") << StringTemplate(makeFragmentShaderAssembly(fillInterfacePlaceholderFrag())).specialize(passthruInterface(context.interfaces.getOutputType()));
1360         }
1361         else
1362         {
1363                 map<string, string> passthru = passthruFragments();
1364                 dst.spirvAsmSources.add("vert") << makeVertexShaderAssembly(passthru);
1365                 dst.spirvAsmSources.add("geom") << makeGeometryShaderAssembly(context.testCodeFragments);
1366                 dst.spirvAsmSources.add("frag") << makeFragmentShaderAssembly(passthru);
1367         }
1368 }
1369
1370 // Adds shader assembly text to dst.spirvAsmSources for all shader kinds.
1371 // Fragment shader gets custom code from context, the rest are pass-through.
1372 void addShaderCodeCustomFragment(vk::SourceCollections& dst, InstanceContext context)
1373 {
1374         if (!context.interfaces.empty())
1375         {
1376                 // Inject boilerplate code to wire up additional input/output variables between stages.
1377                 // Just copy the contents in input variable to output variable in all stages except
1378                 // the customized stage.
1379                 dst.spirvAsmSources.add("vert") << StringTemplate(makeVertexShaderAssembly(fillInterfacePlaceholderVert())).specialize(passthruInterface(context.interfaces.getInputType()));
1380                 dst.spirvAsmSources.add("frag") << StringTemplate(makeFragmentShaderAssembly(fillInterfacePlaceholderFrag())).specialize(context.testCodeFragments);
1381         }
1382         else
1383         {
1384                 map<string, string> passthru = passthruFragments();
1385                 dst.spirvAsmSources.add("vert") << makeVertexShaderAssembly(passthru);
1386                 dst.spirvAsmSources.add("frag") << makeFragmentShaderAssembly(context.testCodeFragments);
1387         }
1388 }
1389
1390 void createCombinedModule(vk::SourceCollections& dst, InstanceContext)
1391 {
1392         // \todo [2015-12-07 awoloszyn] Make tessellation / geometry conditional
1393         // \todo [2015-12-07 awoloszyn] Remove OpName and OpMemberName at some point
1394         dst.spirvAsmSources.add("module") <<
1395                 "OpCapability Shader\n"
1396                 "OpCapability ClipDistance\n"
1397                 "OpCapability CullDistance\n"
1398                 "OpCapability Geometry\n"
1399                 "OpCapability Tessellation\n"
1400                 "OpMemoryModel Logical GLSL450\n"
1401
1402                 "OpEntryPoint Vertex %vert_main \"main\" %vert_Position %vert_vtxColor %vert_color %vert_vtxPosition %vert_vertex_id %vert_instance_id\n"
1403                 "OpEntryPoint Geometry %geom_main \"main\" %geom_out_gl_position %geom_gl_in %geom_out_color %geom_in_color\n"
1404                 "OpEntryPoint TessellationControl %tessc_main \"main\" %tessc_out_color %tessc_gl_InvocationID %tessc_in_color %tessc_out_position %tessc_in_position %tessc_gl_TessLevelOuter %tessc_gl_TessLevelInner\n"
1405                 "OpEntryPoint TessellationEvaluation %tesse_main \"main\" %tesse_stream %tesse_gl_tessCoord %tesse_in_position %tesse_out_color %tesse_in_color \n"
1406                 "OpEntryPoint Fragment %frag_main \"main\" %frag_vtxColor %frag_fragColor\n"
1407
1408                 "OpExecutionMode %geom_main Triangles\n"
1409                 "OpExecutionMode %geom_main OutputTriangleStrip\n"
1410                 "OpExecutionMode %geom_main OutputVertices 3\n"
1411
1412                 "OpExecutionMode %tessc_main OutputVertices 3\n"
1413
1414                 "OpExecutionMode %tesse_main Triangles\n"
1415                 "OpExecutionMode %tesse_main SpacingEqual\n"
1416                 "OpExecutionMode %tesse_main VertexOrderCcw\n"
1417
1418                 "OpExecutionMode %frag_main OriginUpperLeft\n"
1419
1420                 "OpName %vert_main \"main\"\n"
1421                 "OpName %vert_vtxPosition \"vtxPosition\"\n"
1422                 "OpName %vert_Position \"position\"\n"
1423                 "OpName %vert_vtxColor \"vtxColor\"\n"
1424                 "OpName %vert_color \"color\"\n"
1425                 "OpName %vert_vertex_id \"gl_VertexIndex\"\n"
1426                 "OpName %vert_instance_id \"gl_InstanceIndex\"\n"
1427                 "OpName %geom_main \"main\"\n"
1428                 "OpName %geom_per_vertex_in \"gl_PerVertex\"\n"
1429                 "OpMemberName %geom_per_vertex_in 0 \"gl_Position\"\n"
1430                 "OpMemberName %geom_per_vertex_in 1 \"gl_PointSize\"\n"
1431                 "OpMemberName %geom_per_vertex_in 2 \"gl_ClipDistance\"\n"
1432                 "OpMemberName %geom_per_vertex_in 3 \"gl_CullDistance\"\n"
1433                 "OpName %geom_gl_in \"gl_in\"\n"
1434                 "OpName %geom_out_color \"out_color\"\n"
1435                 "OpName %geom_in_color \"in_color\"\n"
1436                 "OpName %tessc_main \"main\"\n"
1437                 "OpName %tessc_out_color \"out_color\"\n"
1438                 "OpName %tessc_gl_InvocationID \"gl_InvocationID\"\n"
1439                 "OpName %tessc_in_color \"in_color\"\n"
1440                 "OpName %tessc_out_position \"out_position\"\n"
1441                 "OpName %tessc_in_position \"in_position\"\n"
1442                 "OpName %tessc_gl_TessLevelOuter \"gl_TessLevelOuter\"\n"
1443                 "OpName %tessc_gl_TessLevelInner \"gl_TessLevelInner\"\n"
1444                 "OpName %tesse_main \"main\"\n"
1445                 "OpName %tesse_per_vertex_out \"gl_PerVertex\"\n"
1446                 "OpMemberName %tesse_per_vertex_out 0 \"gl_Position\"\n"
1447                 "OpMemberName %tesse_per_vertex_out 1 \"gl_PointSize\"\n"
1448                 "OpMemberName %tesse_per_vertex_out 2 \"gl_ClipDistance\"\n"
1449                 "OpMemberName %tesse_per_vertex_out 3 \"gl_CullDistance\"\n"
1450                 "OpName %tesse_stream \"\"\n"
1451                 "OpName %tesse_gl_tessCoord \"gl_TessCoord\"\n"
1452                 "OpName %tesse_in_position \"in_position\"\n"
1453                 "OpName %tesse_out_color \"out_color\"\n"
1454                 "OpName %tesse_in_color \"in_color\"\n"
1455                 "OpName %frag_main \"main\"\n"
1456                 "OpName %frag_fragColor \"fragColor\"\n"
1457                 "OpName %frag_vtxColor \"vtxColor\"\n"
1458
1459                 "; Vertex decorations\n"
1460                 "OpDecorate %vert_vtxPosition Location 2\n"
1461                 "OpDecorate %vert_Position Location 0\n"
1462                 "OpDecorate %vert_vtxColor Location 1\n"
1463                 "OpDecorate %vert_color Location 1\n"
1464                 "OpDecorate %vert_vertex_id BuiltIn VertexIndex\n"
1465                 "OpDecorate %vert_instance_id BuiltIn InstanceIndex\n"
1466
1467                 "; Geometry decorations\n"
1468                 "OpDecorate %geom_out_gl_position BuiltIn Position\n"
1469                 "OpMemberDecorate %geom_per_vertex_in 0 BuiltIn Position\n"
1470                 "OpMemberDecorate %geom_per_vertex_in 1 BuiltIn PointSize\n"
1471                 "OpMemberDecorate %geom_per_vertex_in 2 BuiltIn ClipDistance\n"
1472                 "OpMemberDecorate %geom_per_vertex_in 3 BuiltIn CullDistance\n"
1473                 "OpDecorate %geom_per_vertex_in Block\n"
1474                 "OpDecorate %geom_out_color Location 1\n"
1475                 "OpDecorate %geom_in_color Location 1\n"
1476
1477                 "; Tessellation Control decorations\n"
1478                 "OpDecorate %tessc_out_color Location 1\n"
1479                 "OpDecorate %tessc_gl_InvocationID BuiltIn InvocationId\n"
1480                 "OpDecorate %tessc_in_color Location 1\n"
1481                 "OpDecorate %tessc_out_position Location 2\n"
1482                 "OpDecorate %tessc_in_position Location 2\n"
1483                 "OpDecorate %tessc_gl_TessLevelOuter Patch\n"
1484                 "OpDecorate %tessc_gl_TessLevelOuter BuiltIn TessLevelOuter\n"
1485                 "OpDecorate %tessc_gl_TessLevelInner Patch\n"
1486                 "OpDecorate %tessc_gl_TessLevelInner BuiltIn TessLevelInner\n"
1487
1488                 "; Tessellation Evaluation decorations\n"
1489                 "OpMemberDecorate %tesse_per_vertex_out 0 BuiltIn Position\n"
1490                 "OpMemberDecorate %tesse_per_vertex_out 1 BuiltIn PointSize\n"
1491                 "OpMemberDecorate %tesse_per_vertex_out 2 BuiltIn ClipDistance\n"
1492                 "OpMemberDecorate %tesse_per_vertex_out 3 BuiltIn CullDistance\n"
1493                 "OpDecorate %tesse_per_vertex_out Block\n"
1494                 "OpDecorate %tesse_gl_tessCoord BuiltIn TessCoord\n"
1495                 "OpDecorate %tesse_in_position Location 2\n"
1496                 "OpDecorate %tesse_out_color Location 1\n"
1497                 "OpDecorate %tesse_in_color Location 1\n"
1498
1499                 "; Fragment decorations\n"
1500                 "OpDecorate %frag_fragColor Location 0\n"
1501                 "OpDecorate %frag_vtxColor Location 1\n"
1502
1503                 SPIRV_ASSEMBLY_TYPES
1504                 SPIRV_ASSEMBLY_CONSTANTS
1505                 SPIRV_ASSEMBLY_ARRAYS
1506
1507                 "; Vertex Variables\n"
1508                 "%vert_vtxPosition = OpVariable %op_v4f32 Output\n"
1509                 "%vert_Position = OpVariable %ip_v4f32 Input\n"
1510                 "%vert_vtxColor = OpVariable %op_v4f32 Output\n"
1511                 "%vert_color = OpVariable %ip_v4f32 Input\n"
1512                 "%vert_vertex_id = OpVariable %ip_i32 Input\n"
1513                 "%vert_instance_id = OpVariable %ip_i32 Input\n"
1514
1515                 "; Geometry Variables\n"
1516                 "%geom_per_vertex_in = OpTypeStruct %v4f32 %f32 %a1f32 %a1f32\n"
1517                 "%geom_a3_per_vertex_in = OpTypeArray %geom_per_vertex_in %c_u32_3\n"
1518                 "%geom_ip_a3_per_vertex_in = OpTypePointer Input %geom_a3_per_vertex_in\n"
1519                 "%geom_gl_in = OpVariable %geom_ip_a3_per_vertex_in Input\n"
1520                 "%geom_out_color = OpVariable %op_v4f32 Output\n"
1521                 "%geom_in_color = OpVariable %ip_a3v4f32 Input\n"
1522                 "%geom_out_gl_position = OpVariable %op_v4f32 Output\n"
1523
1524                 "; Tessellation Control Variables\n"
1525                 "%tessc_out_color = OpVariable %op_a3v4f32 Output\n"
1526                 "%tessc_gl_InvocationID = OpVariable %ip_i32 Input\n"
1527                 "%tessc_in_color = OpVariable %ip_a32v4f32 Input\n"
1528                 "%tessc_out_position = OpVariable %op_a3v4f32 Output\n"
1529                 "%tessc_in_position = OpVariable %ip_a32v4f32 Input\n"
1530                 "%tessc_gl_TessLevelOuter = OpVariable %op_a4f32 Output\n"
1531                 "%tessc_gl_TessLevelInner = OpVariable %op_a2f32 Output\n"
1532
1533                 "; Tessellation Evaluation Decorations\n"
1534                 "%tesse_per_vertex_out = OpTypeStruct %v4f32 %f32 %a1f32 %a1f32\n"
1535                 "%tesse_op_per_vertex_out = OpTypePointer Output %tesse_per_vertex_out\n"
1536                 "%tesse_stream = OpVariable %tesse_op_per_vertex_out Output\n"
1537                 "%tesse_gl_tessCoord = OpVariable %ip_v3f32 Input\n"
1538                 "%tesse_in_position = OpVariable %ip_a32v4f32 Input\n"
1539                 "%tesse_out_color = OpVariable %op_v4f32 Output\n"
1540                 "%tesse_in_color = OpVariable %ip_a32v4f32 Input\n"
1541
1542                 "; Fragment Variables\n"
1543                 "%frag_fragColor = OpVariable %op_v4f32 Output\n"
1544                 "%frag_vtxColor = OpVariable %ip_v4f32 Input\n"
1545
1546                 "; Vertex Entry\n"
1547                 "%vert_main = OpFunction %void None %fun\n"
1548                 "%vert_label = OpLabel\n"
1549                 "%vert_tmp_position = OpLoad %v4f32 %vert_Position\n"
1550                 "OpStore %vert_vtxPosition %vert_tmp_position\n"
1551                 "%vert_tmp_color = OpLoad %v4f32 %vert_color\n"
1552                 "OpStore %vert_vtxColor %vert_tmp_color\n"
1553                 "OpReturn\n"
1554                 "OpFunctionEnd\n"
1555
1556                 "; Geometry Entry\n"
1557                 "%geom_main = OpFunction %void None %fun\n"
1558                 "%geom_label = OpLabel\n"
1559                 "%geom_gl_in_0_gl_position = OpAccessChain %ip_v4f32 %geom_gl_in %c_i32_0 %c_i32_0\n"
1560                 "%geom_gl_in_1_gl_position = OpAccessChain %ip_v4f32 %geom_gl_in %c_i32_1 %c_i32_0\n"
1561                 "%geom_gl_in_2_gl_position = OpAccessChain %ip_v4f32 %geom_gl_in %c_i32_2 %c_i32_0\n"
1562                 "%geom_in_position_0 = OpLoad %v4f32 %geom_gl_in_0_gl_position\n"
1563                 "%geom_in_position_1 = OpLoad %v4f32 %geom_gl_in_1_gl_position\n"
1564                 "%geom_in_position_2 = OpLoad %v4f32 %geom_gl_in_2_gl_position \n"
1565                 "%geom_in_color_0_ptr = OpAccessChain %ip_v4f32 %geom_in_color %c_i32_0\n"
1566                 "%geom_in_color_1_ptr = OpAccessChain %ip_v4f32 %geom_in_color %c_i32_1\n"
1567                 "%geom_in_color_2_ptr = OpAccessChain %ip_v4f32 %geom_in_color %c_i32_2\n"
1568                 "%geom_in_color_0 = OpLoad %v4f32 %geom_in_color_0_ptr\n"
1569                 "%geom_in_color_1 = OpLoad %v4f32 %geom_in_color_1_ptr\n"
1570                 "%geom_in_color_2 = OpLoad %v4f32 %geom_in_color_2_ptr\n"
1571                 "OpStore %geom_out_gl_position %geom_in_position_0\n"
1572                 "OpStore %geom_out_color %geom_in_color_0\n"
1573                 "OpEmitVertex\n"
1574                 "OpStore %geom_out_gl_position %geom_in_position_1\n"
1575                 "OpStore %geom_out_color %geom_in_color_1\n"
1576                 "OpEmitVertex\n"
1577                 "OpStore %geom_out_gl_position %geom_in_position_2\n"
1578                 "OpStore %geom_out_color %geom_in_color_2\n"
1579                 "OpEmitVertex\n"
1580                 "OpEndPrimitive\n"
1581                 "OpReturn\n"
1582                 "OpFunctionEnd\n"
1583
1584                 "; Tessellation Control Entry\n"
1585                 "%tessc_main = OpFunction %void None %fun\n"
1586                 "%tessc_label = OpLabel\n"
1587                 "%tessc_invocation_id = OpLoad %i32 %tessc_gl_InvocationID\n"
1588                 "%tessc_in_color_ptr = OpAccessChain %ip_v4f32 %tessc_in_color %tessc_invocation_id\n"
1589                 "%tessc_in_position_ptr = OpAccessChain %ip_v4f32 %tessc_in_position %tessc_invocation_id\n"
1590                 "%tessc_in_color_val = OpLoad %v4f32 %tessc_in_color_ptr\n"
1591                 "%tessc_in_position_val = OpLoad %v4f32 %tessc_in_position_ptr\n"
1592                 "%tessc_out_color_ptr = OpAccessChain %op_v4f32 %tessc_out_color %tessc_invocation_id\n"
1593                 "%tessc_out_position_ptr = OpAccessChain %op_v4f32 %tessc_out_position %tessc_invocation_id\n"
1594                 "OpStore %tessc_out_color_ptr %tessc_in_color_val\n"
1595                 "OpStore %tessc_out_position_ptr %tessc_in_position_val\n"
1596                 "%tessc_is_first_invocation = OpIEqual %bool %tessc_invocation_id %c_i32_0\n"
1597                 "OpSelectionMerge %tessc_merge_label None\n"
1598                 "OpBranchConditional %tessc_is_first_invocation %tessc_first_invocation %tessc_merge_label\n"
1599                 "%tessc_first_invocation = OpLabel\n"
1600                 "%tessc_tess_outer_0 = OpAccessChain %op_f32 %tessc_gl_TessLevelOuter %c_i32_0\n"
1601                 "%tessc_tess_outer_1 = OpAccessChain %op_f32 %tessc_gl_TessLevelOuter %c_i32_1\n"
1602                 "%tessc_tess_outer_2 = OpAccessChain %op_f32 %tessc_gl_TessLevelOuter %c_i32_2\n"
1603                 "%tessc_tess_inner = OpAccessChain %op_f32 %tessc_gl_TessLevelInner %c_i32_0\n"
1604                 "OpStore %tessc_tess_outer_0 %c_f32_1\n"
1605                 "OpStore %tessc_tess_outer_1 %c_f32_1\n"
1606                 "OpStore %tessc_tess_outer_2 %c_f32_1\n"
1607                 "OpStore %tessc_tess_inner %c_f32_1\n"
1608                 "OpBranch %tessc_merge_label\n"
1609                 "%tessc_merge_label = OpLabel\n"
1610                 "OpReturn\n"
1611                 "OpFunctionEnd\n"
1612
1613                 "; Tessellation Evaluation Entry\n"
1614                 "%tesse_main = OpFunction %void None %fun\n"
1615                 "%tesse_label = OpLabel\n"
1616                 "%tesse_tc_0_ptr = OpAccessChain %ip_f32 %tesse_gl_tessCoord %c_u32_0\n"
1617                 "%tesse_tc_1_ptr = OpAccessChain %ip_f32 %tesse_gl_tessCoord %c_u32_1\n"
1618                 "%tesse_tc_2_ptr = OpAccessChain %ip_f32 %tesse_gl_tessCoord %c_u32_2\n"
1619                 "%tesse_tc_0 = OpLoad %f32 %tesse_tc_0_ptr\n"
1620                 "%tesse_tc_1 = OpLoad %f32 %tesse_tc_1_ptr\n"
1621                 "%tesse_tc_2 = OpLoad %f32 %tesse_tc_2_ptr\n"
1622                 "%tesse_in_pos_0_ptr = OpAccessChain %ip_v4f32 %tesse_in_position %c_i32_0\n"
1623                 "%tesse_in_pos_1_ptr = OpAccessChain %ip_v4f32 %tesse_in_position %c_i32_1\n"
1624                 "%tesse_in_pos_2_ptr = OpAccessChain %ip_v4f32 %tesse_in_position %c_i32_2\n"
1625                 "%tesse_in_pos_0 = OpLoad %v4f32 %tesse_in_pos_0_ptr\n"
1626                 "%tesse_in_pos_1 = OpLoad %v4f32 %tesse_in_pos_1_ptr\n"
1627                 "%tesse_in_pos_2 = OpLoad %v4f32 %tesse_in_pos_2_ptr\n"
1628                 "%tesse_in_pos_0_weighted = OpVectorTimesScalar %v4f32 %tesse_in_pos_0 %tesse_tc_0\n"
1629                 "%tesse_in_pos_1_weighted = OpVectorTimesScalar %v4f32 %tesse_in_pos_1 %tesse_tc_1\n"
1630                 "%tesse_in_pos_2_weighted = OpVectorTimesScalar %v4f32 %tesse_in_pos_2 %tesse_tc_2\n"
1631                 "%tesse_out_pos_ptr = OpAccessChain %op_v4f32 %tesse_stream %c_i32_0\n"
1632                 "%tesse_in_pos_0_plus_pos_1 = OpFAdd %v4f32 %tesse_in_pos_0_weighted %tesse_in_pos_1_weighted\n"
1633                 "%tesse_computed_out = OpFAdd %v4f32 %tesse_in_pos_0_plus_pos_1 %tesse_in_pos_2_weighted\n"
1634                 "OpStore %tesse_out_pos_ptr %tesse_computed_out\n"
1635                 "%tesse_in_clr_0_ptr = OpAccessChain %ip_v4f32 %tesse_in_color %c_i32_0\n"
1636                 "%tesse_in_clr_1_ptr = OpAccessChain %ip_v4f32 %tesse_in_color %c_i32_1\n"
1637                 "%tesse_in_clr_2_ptr = OpAccessChain %ip_v4f32 %tesse_in_color %c_i32_2\n"
1638                 "%tesse_in_clr_0 = OpLoad %v4f32 %tesse_in_clr_0_ptr\n"
1639                 "%tesse_in_clr_1 = OpLoad %v4f32 %tesse_in_clr_1_ptr\n"
1640                 "%tesse_in_clr_2 = OpLoad %v4f32 %tesse_in_clr_2_ptr\n"
1641                 "%tesse_in_clr_0_weighted = OpVectorTimesScalar %v4f32 %tesse_in_clr_0 %tesse_tc_0\n"
1642                 "%tesse_in_clr_1_weighted = OpVectorTimesScalar %v4f32 %tesse_in_clr_1 %tesse_tc_1\n"
1643                 "%tesse_in_clr_2_weighted = OpVectorTimesScalar %v4f32 %tesse_in_clr_2 %tesse_tc_2\n"
1644                 "%tesse_in_clr_0_plus_col_1 = OpFAdd %v4f32 %tesse_in_clr_0_weighted %tesse_in_clr_1_weighted\n"
1645                 "%tesse_computed_clr = OpFAdd %v4f32 %tesse_in_clr_0_plus_col_1 %tesse_in_clr_2_weighted\n"
1646                 "OpStore %tesse_out_color %tesse_computed_clr\n"
1647                 "OpReturn\n"
1648                 "OpFunctionEnd\n"
1649
1650                 "; Fragment Entry\n"
1651                 "%frag_main = OpFunction %void None %fun\n"
1652                 "%frag_label_main = OpLabel\n"
1653                 "%frag_tmp1 = OpLoad %v4f32 %frag_vtxColor\n"
1654                 "OpStore %frag_fragColor %frag_tmp1\n"
1655                 "OpReturn\n"
1656                 "OpFunctionEnd\n";
1657 }
1658
1659 void createMultipleEntries(vk::SourceCollections& dst, InstanceContext)
1660 {
1661         dst.spirvAsmSources.add("vert") <<
1662         // This module contains 2 vertex shaders. One that is a passthrough
1663         // and a second that inverts the color of the output (1.0 - color).
1664                 "OpCapability Shader\n"
1665                 "OpMemoryModel Logical GLSL450\n"
1666                 "OpEntryPoint Vertex %main \"vert1\" %Position %vtxColor %color %vtxPosition %vertex_id %instance_id\n"
1667                 "OpEntryPoint Vertex %main2 \"vert2\" %Position %vtxColor %color %vtxPosition %vertex_id %instance_id\n"
1668
1669                 "OpName %main \"vert1\"\n"
1670                 "OpName %main2 \"vert2\"\n"
1671                 "OpName %vtxPosition \"vtxPosition\"\n"
1672                 "OpName %Position \"position\"\n"
1673                 "OpName %vtxColor \"vtxColor\"\n"
1674                 "OpName %color \"color\"\n"
1675                 "OpName %vertex_id \"gl_VertexIndex\"\n"
1676                 "OpName %instance_id \"gl_InstanceIndex\"\n"
1677
1678                 "OpDecorate %vtxPosition Location 2\n"
1679                 "OpDecorate %Position Location 0\n"
1680                 "OpDecorate %vtxColor Location 1\n"
1681                 "OpDecorate %color Location 1\n"
1682                 "OpDecorate %vertex_id BuiltIn VertexIndex\n"
1683                 "OpDecorate %instance_id BuiltIn InstanceIndex\n"
1684                 SPIRV_ASSEMBLY_TYPES
1685                 SPIRV_ASSEMBLY_CONSTANTS
1686                 SPIRV_ASSEMBLY_ARRAYS
1687                 "%cval = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_0\n"
1688                 "%vtxPosition = OpVariable %op_v4f32 Output\n"
1689                 "%Position = OpVariable %ip_v4f32 Input\n"
1690                 "%vtxColor = OpVariable %op_v4f32 Output\n"
1691                 "%color = OpVariable %ip_v4f32 Input\n"
1692                 "%vertex_id = OpVariable %ip_i32 Input\n"
1693                 "%instance_id = OpVariable %ip_i32 Input\n"
1694
1695                 "%main = OpFunction %void None %fun\n"
1696                 "%label = OpLabel\n"
1697                 "%tmp_position = OpLoad %v4f32 %Position\n"
1698                 "OpStore %vtxPosition %tmp_position\n"
1699                 "%tmp_color = OpLoad %v4f32 %color\n"
1700                 "OpStore %vtxColor %tmp_color\n"
1701                 "OpReturn\n"
1702                 "OpFunctionEnd\n"
1703
1704                 "%main2 = OpFunction %void None %fun\n"
1705                 "%label2 = OpLabel\n"
1706                 "%tmp_position2 = OpLoad %v4f32 %Position\n"
1707                 "OpStore %vtxPosition %tmp_position2\n"
1708                 "%tmp_color2 = OpLoad %v4f32 %color\n"
1709                 "%tmp_color3 = OpFSub %v4f32 %cval %tmp_color2\n"
1710                 "%tmp_color4 = OpVectorInsertDynamic %v4f32 %tmp_color3 %c_f32_1 %c_i32_3\n"
1711                 "OpStore %vtxColor %tmp_color4\n"
1712                 "OpReturn\n"
1713                 "OpFunctionEnd\n";
1714
1715         dst.spirvAsmSources.add("frag") <<
1716                 // This is a single module that contains 2 fragment shaders.
1717                 // One that passes color through and the other that inverts the output
1718                 // color (1.0 - color).
1719                 "OpCapability Shader\n"
1720                 "OpMemoryModel Logical GLSL450\n"
1721                 "OpEntryPoint Fragment %main \"frag1\" %vtxColor %fragColor\n"
1722                 "OpEntryPoint Fragment %main2 \"frag2\" %vtxColor %fragColor\n"
1723                 "OpExecutionMode %main OriginUpperLeft\n"
1724                 "OpExecutionMode %main2 OriginUpperLeft\n"
1725
1726                 "OpName %main \"frag1\"\n"
1727                 "OpName %main2 \"frag2\"\n"
1728                 "OpName %fragColor \"fragColor\"\n"
1729                 "OpName %vtxColor \"vtxColor\"\n"
1730                 "OpDecorate %fragColor Location 0\n"
1731                 "OpDecorate %vtxColor Location 1\n"
1732                 SPIRV_ASSEMBLY_TYPES
1733                 SPIRV_ASSEMBLY_CONSTANTS
1734                 SPIRV_ASSEMBLY_ARRAYS
1735                 "%cval = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_0\n"
1736                 "%fragColor = OpVariable %op_v4f32 Output\n"
1737                 "%vtxColor = OpVariable %ip_v4f32 Input\n"
1738
1739                 "%main = OpFunction %void None %fun\n"
1740                 "%label_main = OpLabel\n"
1741                 "%tmp1 = OpLoad %v4f32 %vtxColor\n"
1742                 "OpStore %fragColor %tmp1\n"
1743                 "OpReturn\n"
1744                 "OpFunctionEnd\n"
1745
1746                 "%main2 = OpFunction %void None %fun\n"
1747                 "%label_main2 = OpLabel\n"
1748                 "%tmp2 = OpLoad %v4f32 %vtxColor\n"
1749                 "%tmp3 = OpFSub %v4f32 %cval %tmp2\n"
1750                 "%tmp4 = OpVectorInsertDynamic %v4f32 %tmp3 %c_f32_1 %c_i32_3\n"
1751                 "OpStore %fragColor %tmp4\n"
1752                 "OpReturn\n"
1753                 "OpFunctionEnd\n";
1754
1755         dst.spirvAsmSources.add("geom") <<
1756                 "OpCapability Geometry\n"
1757                 "OpCapability ClipDistance\n"
1758                 "OpCapability CullDistance\n"
1759                 "OpMemoryModel Logical GLSL450\n"
1760                 "OpEntryPoint Geometry %geom1_main \"geom1\" %out_gl_position %gl_in %out_color %in_color\n"
1761                 "OpEntryPoint Geometry %geom2_main \"geom2\" %out_gl_position %gl_in %out_color %in_color\n"
1762                 "OpExecutionMode %geom1_main Triangles\n"
1763                 "OpExecutionMode %geom2_main Triangles\n"
1764                 "OpExecutionMode %geom1_main OutputTriangleStrip\n"
1765                 "OpExecutionMode %geom2_main OutputTriangleStrip\n"
1766                 "OpExecutionMode %geom1_main OutputVertices 3\n"
1767                 "OpExecutionMode %geom2_main OutputVertices 3\n"
1768                 "OpName %geom1_main \"geom1\"\n"
1769                 "OpName %geom2_main \"geom2\"\n"
1770                 "OpName %per_vertex_in \"gl_PerVertex\"\n"
1771                 "OpMemberName %per_vertex_in 0 \"gl_Position\"\n"
1772                 "OpMemberName %per_vertex_in 1 \"gl_PointSize\"\n"
1773                 "OpMemberName %per_vertex_in 2 \"gl_ClipDistance\"\n"
1774                 "OpMemberName %per_vertex_in 3 \"gl_CullDistance\"\n"
1775                 "OpName %gl_in \"gl_in\"\n"
1776                 "OpName %out_color \"out_color\"\n"
1777                 "OpName %in_color \"in_color\"\n"
1778                 "OpDecorate %out_gl_position BuiltIn Position\n"
1779                 "OpMemberDecorate %per_vertex_in 0 BuiltIn Position\n"
1780                 "OpMemberDecorate %per_vertex_in 1 BuiltIn PointSize\n"
1781                 "OpMemberDecorate %per_vertex_in 2 BuiltIn ClipDistance\n"
1782                 "OpMemberDecorate %per_vertex_in 3 BuiltIn CullDistance\n"
1783                 "OpDecorate %per_vertex_in Block\n"
1784                 "OpDecorate %out_color Location 1\n"
1785                 "OpDecorate %in_color Location 1\n"
1786                 SPIRV_ASSEMBLY_TYPES
1787                 SPIRV_ASSEMBLY_CONSTANTS
1788                 SPIRV_ASSEMBLY_ARRAYS
1789                 "%cval = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_0\n"
1790                 "%per_vertex_in = OpTypeStruct %v4f32 %f32 %a1f32 %a1f32\n"
1791                 "%a3_per_vertex_in = OpTypeArray %per_vertex_in %c_u32_3\n"
1792                 "%ip_a3_per_vertex_in = OpTypePointer Input %a3_per_vertex_in\n"
1793                 "%gl_in = OpVariable %ip_a3_per_vertex_in Input\n"
1794                 "%out_color = OpVariable %op_v4f32 Output\n"
1795                 "%in_color = OpVariable %ip_a3v4f32 Input\n"
1796                 "%out_gl_position = OpVariable %op_v4f32 Output\n"
1797
1798                 "%geom1_main = OpFunction %void None %fun\n"
1799                 "%geom1_label = OpLabel\n"
1800                 "%geom1_gl_in_0_gl_position = OpAccessChain %ip_v4f32 %gl_in %c_i32_0 %c_i32_0\n"
1801                 "%geom1_gl_in_1_gl_position = OpAccessChain %ip_v4f32 %gl_in %c_i32_1 %c_i32_0\n"
1802                 "%geom1_gl_in_2_gl_position = OpAccessChain %ip_v4f32 %gl_in %c_i32_2 %c_i32_0\n"
1803                 "%geom1_in_position_0 = OpLoad %v4f32 %geom1_gl_in_0_gl_position\n"
1804                 "%geom1_in_position_1 = OpLoad %v4f32 %geom1_gl_in_1_gl_position\n"
1805                 "%geom1_in_position_2 = OpLoad %v4f32 %geom1_gl_in_2_gl_position \n"
1806                 "%geom1_in_color_0_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_0\n"
1807                 "%geom1_in_color_1_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_1\n"
1808                 "%geom1_in_color_2_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_2\n"
1809                 "%geom1_in_color_0 = OpLoad %v4f32 %geom1_in_color_0_ptr\n"
1810                 "%geom1_in_color_1 = OpLoad %v4f32 %geom1_in_color_1_ptr\n"
1811                 "%geom1_in_color_2 = OpLoad %v4f32 %geom1_in_color_2_ptr\n"
1812                 "OpStore %out_gl_position %geom1_in_position_0\n"
1813                 "OpStore %out_color %geom1_in_color_0\n"
1814                 "OpEmitVertex\n"
1815                 "OpStore %out_gl_position %geom1_in_position_1\n"
1816                 "OpStore %out_color %geom1_in_color_1\n"
1817                 "OpEmitVertex\n"
1818                 "OpStore %out_gl_position %geom1_in_position_2\n"
1819                 "OpStore %out_color %geom1_in_color_2\n"
1820                 "OpEmitVertex\n"
1821                 "OpEndPrimitive\n"
1822                 "OpReturn\n"
1823                 "OpFunctionEnd\n"
1824
1825                 "%geom2_main = OpFunction %void None %fun\n"
1826                 "%geom2_label = OpLabel\n"
1827                 "%geom2_gl_in_0_gl_position = OpAccessChain %ip_v4f32 %gl_in %c_i32_0 %c_i32_0\n"
1828                 "%geom2_gl_in_1_gl_position = OpAccessChain %ip_v4f32 %gl_in %c_i32_1 %c_i32_0\n"
1829                 "%geom2_gl_in_2_gl_position = OpAccessChain %ip_v4f32 %gl_in %c_i32_2 %c_i32_0\n"
1830                 "%geom2_in_position_0 = OpLoad %v4f32 %geom2_gl_in_0_gl_position\n"
1831                 "%geom2_in_position_1 = OpLoad %v4f32 %geom2_gl_in_1_gl_position\n"
1832                 "%geom2_in_position_2 = OpLoad %v4f32 %geom2_gl_in_2_gl_position \n"
1833                 "%geom2_in_color_0_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_0\n"
1834                 "%geom2_in_color_1_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_1\n"
1835                 "%geom2_in_color_2_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_2\n"
1836                 "%geom2_in_color_0 = OpLoad %v4f32 %geom2_in_color_0_ptr\n"
1837                 "%geom2_in_color_1 = OpLoad %v4f32 %geom2_in_color_1_ptr\n"
1838                 "%geom2_in_color_2 = OpLoad %v4f32 %geom2_in_color_2_ptr\n"
1839                 "%geom2_transformed_in_color_0 = OpFSub %v4f32 %cval %geom2_in_color_0\n"
1840                 "%geom2_transformed_in_color_1 = OpFSub %v4f32 %cval %geom2_in_color_1\n"
1841                 "%geom2_transformed_in_color_2 = OpFSub %v4f32 %cval %geom2_in_color_2\n"
1842                 "%geom2_transformed_in_color_0_a = OpVectorInsertDynamic %v4f32 %geom2_transformed_in_color_0 %c_f32_1 %c_i32_3\n"
1843                 "%geom2_transformed_in_color_1_a = OpVectorInsertDynamic %v4f32 %geom2_transformed_in_color_1 %c_f32_1 %c_i32_3\n"
1844                 "%geom2_transformed_in_color_2_a = OpVectorInsertDynamic %v4f32 %geom2_transformed_in_color_2 %c_f32_1 %c_i32_3\n"
1845                 "OpStore %out_gl_position %geom2_in_position_0\n"
1846                 "OpStore %out_color %geom2_transformed_in_color_0_a\n"
1847                 "OpEmitVertex\n"
1848                 "OpStore %out_gl_position %geom2_in_position_1\n"
1849                 "OpStore %out_color %geom2_transformed_in_color_1_a\n"
1850                 "OpEmitVertex\n"
1851                 "OpStore %out_gl_position %geom2_in_position_2\n"
1852                 "OpStore %out_color %geom2_transformed_in_color_2_a\n"
1853                 "OpEmitVertex\n"
1854                 "OpEndPrimitive\n"
1855                 "OpReturn\n"
1856                 "OpFunctionEnd\n";
1857
1858         dst.spirvAsmSources.add("tessc") <<
1859                 "OpCapability Tessellation\n"
1860                 "OpMemoryModel Logical GLSL450\n"
1861                 "OpEntryPoint TessellationControl %tessc1_main \"tessc1\" %out_color %gl_InvocationID %in_color %out_position %in_position %gl_TessLevelOuter %gl_TessLevelInner\n"
1862                 "OpEntryPoint TessellationControl %tessc2_main \"tessc2\" %out_color %gl_InvocationID %in_color %out_position %in_position %gl_TessLevelOuter %gl_TessLevelInner\n"
1863                 "OpExecutionMode %tessc1_main OutputVertices 3\n"
1864                 "OpExecutionMode %tessc2_main OutputVertices 3\n"
1865                 "OpName %tessc1_main \"tessc1\"\n"
1866                 "OpName %tessc2_main \"tessc2\"\n"
1867                 "OpName %out_color \"out_color\"\n"
1868                 "OpName %gl_InvocationID \"gl_InvocationID\"\n"
1869                 "OpName %in_color \"in_color\"\n"
1870                 "OpName %out_position \"out_position\"\n"
1871                 "OpName %in_position \"in_position\"\n"
1872                 "OpName %gl_TessLevelOuter \"gl_TessLevelOuter\"\n"
1873                 "OpName %gl_TessLevelInner \"gl_TessLevelInner\"\n"
1874                 "OpDecorate %out_color Location 1\n"
1875                 "OpDecorate %gl_InvocationID BuiltIn InvocationId\n"
1876                 "OpDecorate %in_color Location 1\n"
1877                 "OpDecorate %out_position Location 2\n"
1878                 "OpDecorate %in_position Location 2\n"
1879                 "OpDecorate %gl_TessLevelOuter Patch\n"
1880                 "OpDecorate %gl_TessLevelOuter BuiltIn TessLevelOuter\n"
1881                 "OpDecorate %gl_TessLevelInner Patch\n"
1882                 "OpDecorate %gl_TessLevelInner BuiltIn TessLevelInner\n"
1883                 SPIRV_ASSEMBLY_TYPES
1884                 SPIRV_ASSEMBLY_CONSTANTS
1885                 SPIRV_ASSEMBLY_ARRAYS
1886                 "%cval = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_0\n"
1887                 "%out_color = OpVariable %op_a3v4f32 Output\n"
1888                 "%gl_InvocationID = OpVariable %ip_i32 Input\n"
1889                 "%in_color = OpVariable %ip_a32v4f32 Input\n"
1890                 "%out_position = OpVariable %op_a3v4f32 Output\n"
1891                 "%in_position = OpVariable %ip_a32v4f32 Input\n"
1892                 "%gl_TessLevelOuter = OpVariable %op_a4f32 Output\n"
1893                 "%gl_TessLevelInner = OpVariable %op_a2f32 Output\n"
1894
1895                 "%tessc1_main = OpFunction %void None %fun\n"
1896                 "%tessc1_label = OpLabel\n"
1897                 "%tessc1_invocation_id = OpLoad %i32 %gl_InvocationID\n"
1898                 "%tessc1_in_color_ptr = OpAccessChain %ip_v4f32 %in_color %tessc1_invocation_id\n"
1899                 "%tessc1_in_position_ptr = OpAccessChain %ip_v4f32 %in_position %tessc1_invocation_id\n"
1900                 "%tessc1_in_color_val = OpLoad %v4f32 %tessc1_in_color_ptr\n"
1901                 "%tessc1_in_position_val = OpLoad %v4f32 %tessc1_in_position_ptr\n"
1902                 "%tessc1_out_color_ptr = OpAccessChain %op_v4f32 %out_color %tessc1_invocation_id\n"
1903                 "%tessc1_out_position_ptr = OpAccessChain %op_v4f32 %out_position %tessc1_invocation_id\n"
1904                 "OpStore %tessc1_out_color_ptr %tessc1_in_color_val\n"
1905                 "OpStore %tessc1_out_position_ptr %tessc1_in_position_val\n"
1906                 "%tessc1_is_first_invocation = OpIEqual %bool %tessc1_invocation_id %c_i32_0\n"
1907                 "OpSelectionMerge %tessc1_merge_label None\n"
1908                 "OpBranchConditional %tessc1_is_first_invocation %tessc1_first_invocation %tessc1_merge_label\n"
1909                 "%tessc1_first_invocation = OpLabel\n"
1910                 "%tessc1_tess_outer_0 = OpAccessChain %op_f32 %gl_TessLevelOuter %c_i32_0\n"
1911                 "%tessc1_tess_outer_1 = OpAccessChain %op_f32 %gl_TessLevelOuter %c_i32_1\n"
1912                 "%tessc1_tess_outer_2 = OpAccessChain %op_f32 %gl_TessLevelOuter %c_i32_2\n"
1913                 "%tessc1_tess_inner = OpAccessChain %op_f32 %gl_TessLevelInner %c_i32_0\n"
1914                 "OpStore %tessc1_tess_outer_0 %c_f32_1\n"
1915                 "OpStore %tessc1_tess_outer_1 %c_f32_1\n"
1916                 "OpStore %tessc1_tess_outer_2 %c_f32_1\n"
1917                 "OpStore %tessc1_tess_inner %c_f32_1\n"
1918                 "OpBranch %tessc1_merge_label\n"
1919                 "%tessc1_merge_label = OpLabel\n"
1920                 "OpReturn\n"
1921                 "OpFunctionEnd\n"
1922
1923                 "%tessc2_main = OpFunction %void None %fun\n"
1924                 "%tessc2_label = OpLabel\n"
1925                 "%tessc2_invocation_id = OpLoad %i32 %gl_InvocationID\n"
1926                 "%tessc2_in_color_ptr = OpAccessChain %ip_v4f32 %in_color %tessc2_invocation_id\n"
1927                 "%tessc2_in_position_ptr = OpAccessChain %ip_v4f32 %in_position %tessc2_invocation_id\n"
1928                 "%tessc2_in_color_val = OpLoad %v4f32 %tessc2_in_color_ptr\n"
1929                 "%tessc2_in_position_val = OpLoad %v4f32 %tessc2_in_position_ptr\n"
1930                 "%tessc2_out_color_ptr = OpAccessChain %op_v4f32 %out_color %tessc2_invocation_id\n"
1931                 "%tessc2_out_position_ptr = OpAccessChain %op_v4f32 %out_position %tessc2_invocation_id\n"
1932                 "%tessc2_transformed_color = OpFSub %v4f32 %cval %tessc2_in_color_val\n"
1933                 "%tessc2_transformed_color_a = OpVectorInsertDynamic %v4f32 %tessc2_transformed_color %c_f32_1 %c_i32_3\n"
1934                 "OpStore %tessc2_out_color_ptr %tessc2_transformed_color_a\n"
1935                 "OpStore %tessc2_out_position_ptr %tessc2_in_position_val\n"
1936                 "%tessc2_is_first_invocation = OpIEqual %bool %tessc2_invocation_id %c_i32_0\n"
1937                 "OpSelectionMerge %tessc2_merge_label None\n"
1938                 "OpBranchConditional %tessc2_is_first_invocation %tessc2_first_invocation %tessc2_merge_label\n"
1939                 "%tessc2_first_invocation = OpLabel\n"
1940                 "%tessc2_tess_outer_0 = OpAccessChain %op_f32 %gl_TessLevelOuter %c_i32_0\n"
1941                 "%tessc2_tess_outer_1 = OpAccessChain %op_f32 %gl_TessLevelOuter %c_i32_1\n"
1942                 "%tessc2_tess_outer_2 = OpAccessChain %op_f32 %gl_TessLevelOuter %c_i32_2\n"
1943                 "%tessc2_tess_inner = OpAccessChain %op_f32 %gl_TessLevelInner %c_i32_0\n"
1944                 "OpStore %tessc2_tess_outer_0 %c_f32_1\n"
1945                 "OpStore %tessc2_tess_outer_1 %c_f32_1\n"
1946                 "OpStore %tessc2_tess_outer_2 %c_f32_1\n"
1947                 "OpStore %tessc2_tess_inner %c_f32_1\n"
1948                 "OpBranch %tessc2_merge_label\n"
1949                 "%tessc2_merge_label = OpLabel\n"
1950                 "OpReturn\n"
1951                 "OpFunctionEnd\n";
1952
1953         dst.spirvAsmSources.add("tesse") <<
1954                 "OpCapability Tessellation\n"
1955                 "OpCapability ClipDistance\n"
1956                 "OpCapability CullDistance\n"
1957                 "OpMemoryModel Logical GLSL450\n"
1958                 "OpEntryPoint TessellationEvaluation %tesse1_main \"tesse1\" %stream %gl_tessCoord %in_position %out_color %in_color \n"
1959                 "OpEntryPoint TessellationEvaluation %tesse2_main \"tesse2\" %stream %gl_tessCoord %in_position %out_color %in_color \n"
1960                 "OpExecutionMode %tesse1_main Triangles\n"
1961                 "OpExecutionMode %tesse1_main SpacingEqual\n"
1962                 "OpExecutionMode %tesse1_main VertexOrderCcw\n"
1963                 "OpExecutionMode %tesse2_main Triangles\n"
1964                 "OpExecutionMode %tesse2_main SpacingEqual\n"
1965                 "OpExecutionMode %tesse2_main VertexOrderCcw\n"
1966                 "OpName %tesse1_main \"tesse1\"\n"
1967                 "OpName %tesse2_main \"tesse2\"\n"
1968                 "OpName %per_vertex_out \"gl_PerVertex\"\n"
1969                 "OpMemberName %per_vertex_out 0 \"gl_Position\"\n"
1970                 "OpMemberName %per_vertex_out 1 \"gl_PointSize\"\n"
1971                 "OpMemberName %per_vertex_out 2 \"gl_ClipDistance\"\n"
1972                 "OpMemberName %per_vertex_out 3 \"gl_CullDistance\"\n"
1973                 "OpName %stream \"\"\n"
1974                 "OpName %gl_tessCoord \"gl_TessCoord\"\n"
1975                 "OpName %in_position \"in_position\"\n"
1976                 "OpName %out_color \"out_color\"\n"
1977                 "OpName %in_color \"in_color\"\n"
1978                 "OpMemberDecorate %per_vertex_out 0 BuiltIn Position\n"
1979                 "OpMemberDecorate %per_vertex_out 1 BuiltIn PointSize\n"
1980                 "OpMemberDecorate %per_vertex_out 2 BuiltIn ClipDistance\n"
1981                 "OpMemberDecorate %per_vertex_out 3 BuiltIn CullDistance\n"
1982                 "OpDecorate %per_vertex_out Block\n"
1983                 "OpDecorate %gl_tessCoord BuiltIn TessCoord\n"
1984                 "OpDecorate %in_position Location 2\n"
1985                 "OpDecorate %out_color Location 1\n"
1986                 "OpDecorate %in_color Location 1\n"
1987                 SPIRV_ASSEMBLY_TYPES
1988                 SPIRV_ASSEMBLY_CONSTANTS
1989                 SPIRV_ASSEMBLY_ARRAYS
1990                 "%cval = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_0\n"
1991                 "%per_vertex_out = OpTypeStruct %v4f32 %f32 %a1f32 %a1f32\n"
1992                 "%op_per_vertex_out = OpTypePointer Output %per_vertex_out\n"
1993                 "%stream = OpVariable %op_per_vertex_out Output\n"
1994                 "%gl_tessCoord = OpVariable %ip_v3f32 Input\n"
1995                 "%in_position = OpVariable %ip_a32v4f32 Input\n"
1996                 "%out_color = OpVariable %op_v4f32 Output\n"
1997                 "%in_color = OpVariable %ip_a32v4f32 Input\n"
1998
1999                 "%tesse1_main = OpFunction %void None %fun\n"
2000                 "%tesse1_label = OpLabel\n"
2001                 "%tesse1_tc_0_ptr = OpAccessChain %ip_f32 %gl_tessCoord %c_u32_0\n"
2002                 "%tesse1_tc_1_ptr = OpAccessChain %ip_f32 %gl_tessCoord %c_u32_1\n"
2003                 "%tesse1_tc_2_ptr = OpAccessChain %ip_f32 %gl_tessCoord %c_u32_2\n"
2004                 "%tesse1_tc_0 = OpLoad %f32 %tesse1_tc_0_ptr\n"
2005                 "%tesse1_tc_1 = OpLoad %f32 %tesse1_tc_1_ptr\n"
2006                 "%tesse1_tc_2 = OpLoad %f32 %tesse1_tc_2_ptr\n"
2007                 "%tesse1_in_pos_0_ptr = OpAccessChain %ip_v4f32 %in_position %c_i32_0\n"
2008                 "%tesse1_in_pos_1_ptr = OpAccessChain %ip_v4f32 %in_position %c_i32_1\n"
2009                 "%tesse1_in_pos_2_ptr = OpAccessChain %ip_v4f32 %in_position %c_i32_2\n"
2010                 "%tesse1_in_pos_0 = OpLoad %v4f32 %tesse1_in_pos_0_ptr\n"
2011                 "%tesse1_in_pos_1 = OpLoad %v4f32 %tesse1_in_pos_1_ptr\n"
2012                 "%tesse1_in_pos_2 = OpLoad %v4f32 %tesse1_in_pos_2_ptr\n"
2013                 "%tesse1_in_pos_0_weighted = OpVectorTimesScalar %v4f32 %tesse1_in_pos_0 %tesse1_tc_0\n"
2014                 "%tesse1_in_pos_1_weighted = OpVectorTimesScalar %v4f32 %tesse1_in_pos_1 %tesse1_tc_1\n"
2015                 "%tesse1_in_pos_2_weighted = OpVectorTimesScalar %v4f32 %tesse1_in_pos_2 %tesse1_tc_2\n"
2016                 "%tesse1_out_pos_ptr = OpAccessChain %op_v4f32 %stream %c_i32_0\n"
2017                 "%tesse1_in_pos_0_plus_pos_1 = OpFAdd %v4f32 %tesse1_in_pos_0_weighted %tesse1_in_pos_1_weighted\n"
2018                 "%tesse1_computed_out = OpFAdd %v4f32 %tesse1_in_pos_0_plus_pos_1 %tesse1_in_pos_2_weighted\n"
2019                 "OpStore %tesse1_out_pos_ptr %tesse1_computed_out\n"
2020                 "%tesse1_in_clr_0_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_0\n"
2021                 "%tesse1_in_clr_1_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_1\n"
2022                 "%tesse1_in_clr_2_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_2\n"
2023                 "%tesse1_in_clr_0 = OpLoad %v4f32 %tesse1_in_clr_0_ptr\n"
2024                 "%tesse1_in_clr_1 = OpLoad %v4f32 %tesse1_in_clr_1_ptr\n"
2025                 "%tesse1_in_clr_2 = OpLoad %v4f32 %tesse1_in_clr_2_ptr\n"
2026                 "%tesse1_in_clr_0_weighted = OpVectorTimesScalar %v4f32 %tesse1_in_clr_0 %tesse1_tc_0\n"
2027                 "%tesse1_in_clr_1_weighted = OpVectorTimesScalar %v4f32 %tesse1_in_clr_1 %tesse1_tc_1\n"
2028                 "%tesse1_in_clr_2_weighted = OpVectorTimesScalar %v4f32 %tesse1_in_clr_2 %tesse1_tc_2\n"
2029                 "%tesse1_in_clr_0_plus_col_1 = OpFAdd %v4f32 %tesse1_in_clr_0_weighted %tesse1_in_clr_1_weighted\n"
2030                 "%tesse1_computed_clr = OpFAdd %v4f32 %tesse1_in_clr_0_plus_col_1 %tesse1_in_clr_2_weighted\n"
2031                 "OpStore %out_color %tesse1_computed_clr\n"
2032                 "OpReturn\n"
2033                 "OpFunctionEnd\n"
2034
2035                 "%tesse2_main = OpFunction %void None %fun\n"
2036                 "%tesse2_label = OpLabel\n"
2037                 "%tesse2_tc_0_ptr = OpAccessChain %ip_f32 %gl_tessCoord %c_u32_0\n"
2038                 "%tesse2_tc_1_ptr = OpAccessChain %ip_f32 %gl_tessCoord %c_u32_1\n"
2039                 "%tesse2_tc_2_ptr = OpAccessChain %ip_f32 %gl_tessCoord %c_u32_2\n"
2040                 "%tesse2_tc_0 = OpLoad %f32 %tesse2_tc_0_ptr\n"
2041                 "%tesse2_tc_1 = OpLoad %f32 %tesse2_tc_1_ptr\n"
2042                 "%tesse2_tc_2 = OpLoad %f32 %tesse2_tc_2_ptr\n"
2043                 "%tesse2_in_pos_0_ptr = OpAccessChain %ip_v4f32 %in_position %c_i32_0\n"
2044                 "%tesse2_in_pos_1_ptr = OpAccessChain %ip_v4f32 %in_position %c_i32_1\n"
2045                 "%tesse2_in_pos_2_ptr = OpAccessChain %ip_v4f32 %in_position %c_i32_2\n"
2046                 "%tesse2_in_pos_0 = OpLoad %v4f32 %tesse2_in_pos_0_ptr\n"
2047                 "%tesse2_in_pos_1 = OpLoad %v4f32 %tesse2_in_pos_1_ptr\n"
2048                 "%tesse2_in_pos_2 = OpLoad %v4f32 %tesse2_in_pos_2_ptr\n"
2049                 "%tesse2_in_pos_0_weighted = OpVectorTimesScalar %v4f32 %tesse2_in_pos_0 %tesse2_tc_0\n"
2050                 "%tesse2_in_pos_1_weighted = OpVectorTimesScalar %v4f32 %tesse2_in_pos_1 %tesse2_tc_1\n"
2051                 "%tesse2_in_pos_2_weighted = OpVectorTimesScalar %v4f32 %tesse2_in_pos_2 %tesse2_tc_2\n"
2052                 "%tesse2_out_pos_ptr = OpAccessChain %op_v4f32 %stream %c_i32_0\n"
2053                 "%tesse2_in_pos_0_plus_pos_1 = OpFAdd %v4f32 %tesse2_in_pos_0_weighted %tesse2_in_pos_1_weighted\n"
2054                 "%tesse2_computed_out = OpFAdd %v4f32 %tesse2_in_pos_0_plus_pos_1 %tesse2_in_pos_2_weighted\n"
2055                 "OpStore %tesse2_out_pos_ptr %tesse2_computed_out\n"
2056                 "%tesse2_in_clr_0_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_0\n"
2057                 "%tesse2_in_clr_1_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_1\n"
2058                 "%tesse2_in_clr_2_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_2\n"
2059                 "%tesse2_in_clr_0 = OpLoad %v4f32 %tesse2_in_clr_0_ptr\n"
2060                 "%tesse2_in_clr_1 = OpLoad %v4f32 %tesse2_in_clr_1_ptr\n"
2061                 "%tesse2_in_clr_2 = OpLoad %v4f32 %tesse2_in_clr_2_ptr\n"
2062                 "%tesse2_in_clr_0_weighted = OpVectorTimesScalar %v4f32 %tesse2_in_clr_0 %tesse2_tc_0\n"
2063                 "%tesse2_in_clr_1_weighted = OpVectorTimesScalar %v4f32 %tesse2_in_clr_1 %tesse2_tc_1\n"
2064                 "%tesse2_in_clr_2_weighted = OpVectorTimesScalar %v4f32 %tesse2_in_clr_2 %tesse2_tc_2\n"
2065                 "%tesse2_in_clr_0_plus_col_1 = OpFAdd %v4f32 %tesse2_in_clr_0_weighted %tesse2_in_clr_1_weighted\n"
2066                 "%tesse2_computed_clr = OpFAdd %v4f32 %tesse2_in_clr_0_plus_col_1 %tesse2_in_clr_2_weighted\n"
2067                 "%tesse2_clr_transformed = OpFSub %v4f32 %cval %tesse2_computed_clr\n"
2068                 "%tesse2_clr_transformed_a = OpVectorInsertDynamic %v4f32 %tesse2_clr_transformed %c_f32_1 %c_i32_3\n"
2069                 "OpStore %out_color %tesse2_clr_transformed_a\n"
2070                 "OpReturn\n"
2071                 "OpFunctionEnd\n";
2072 }
2073
2074 bool compare16BitFloat (float original, deUint16 returned, RoundingModeFlags flags, tcu::TestLog& log)
2075 {
2076         // We only support RTE, RTZ, or both.
2077         DE_ASSERT(static_cast<int>(flags) > 0 && static_cast<int>(flags) < 4);
2078
2079         const Float32   originalFloat   (original);
2080         const Float16   returnedFloat   (returned);
2081
2082         // Zero are turned into zero under both RTE and RTZ.
2083         if (originalFloat.isZero())
2084         {
2085                 if (returnedFloat.isZero())
2086                         return true;
2087
2088                 log << TestLog::Message << "Error: expected zero but returned " << returned << TestLog::EndMessage;
2089                 return false;
2090         }
2091
2092         // Any denormalized value input into a shader may be flushed to 0.
2093         if (originalFloat.isDenorm() && returnedFloat.isZero())
2094                 return true;
2095
2096         // Inf are always turned into Inf with the same sign, too.
2097         if (originalFloat.isInf())
2098         {
2099                 if (returnedFloat.isInf() && originalFloat.signBit() == returnedFloat.signBit())
2100                         return true;
2101
2102                 log << TestLog::Message << "Error: expected Inf but returned " << returned << TestLog::EndMessage;
2103                 return false;
2104         }
2105
2106         // NaN are always turned into NaN, too.
2107         if (originalFloat.isNaN())
2108         {
2109                 if (returnedFloat.isNaN())
2110                         return true;
2111
2112                 log << TestLog::Message << "Error: expected NaN but returned " << returned << TestLog::EndMessage;
2113                 return false;
2114         }
2115
2116         // Check all rounding modes
2117         for (int bitNdx = 0; bitNdx < 2; ++bitNdx)
2118         {
2119                 if ((flags & (1u << bitNdx)) == 0)
2120                         continue;       // This rounding mode is not selected.
2121
2122                 const Float16   expectedFloat   (deFloat32To16Round(original, deRoundingMode(bitNdx)));
2123
2124                 // Any denormalized value potentially generated by any instruction in a shader may be flushed to 0.
2125                 if (expectedFloat.isDenorm() && returnedFloat.isZero())
2126                         return true;
2127
2128                 // If not matched in the above cases, they should have the same bit pattern.
2129                 if (expectedFloat.bits() == returnedFloat.bits())
2130                         return true;
2131         }
2132
2133         log << TestLog::Message << "Error: found unmatched 32-bit and 16-bit floats: " << originalFloat.bits() << " vs " << returned << TestLog::EndMessage;
2134         return false;
2135 }
2136
2137 bool compare32BitFloat (float expected, float returned, tcu::TestLog& log)
2138 {
2139         const Float32   expectedFloat   (expected);
2140         const Float32   returnedFloat   (returned);
2141
2142         // Any denormalized value potentially generated by any instruction in a shader may be flushed to 0.
2143         if (expectedFloat.isDenorm() && returnedFloat.isZero())
2144                 return true;
2145
2146         {
2147                 const Float16   originalFloat   (deFloat32To16(expected));
2148
2149                 // Any denormalized value input into a shader may be flushed to 0.
2150                 if (originalFloat.isDenorm() && returnedFloat.isZero())
2151                         return true;
2152         }
2153
2154         if (expectedFloat.isNaN())
2155         {
2156                 if (returnedFloat.isNaN())
2157                         return true;
2158
2159                 log << TestLog::Message << "Error: expected NaN but returned " << returned << TestLog::EndMessage;
2160                 return false;
2161         }
2162
2163         if (returned == expected)
2164                 return true;
2165
2166         log << TestLog::Message << "Error: found unmatched 32-bit float: expected " << expectedFloat.bits() << " vs. returned " << returnedFloat.bits() << TestLog::EndMessage;
2167         return false;
2168 }
2169
2170 Move<VkBuffer> createBufferForResource (const DeviceInterface& vk, const VkDevice vkDevice, const Resource& resource, deUint32 queueFamilyIndex)
2171 {
2172         vector<deUint8> resourceBytes;
2173         resource.second->getBytes(resourceBytes);
2174
2175         const VkBufferCreateInfo        resourceBufferParams    =
2176         {
2177                 VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,                                                           // sType
2178                 DE_NULL,                                                                                                                        // pNext
2179                 (VkBufferCreateFlags)0,                                                                                         // flags
2180                 (VkDeviceSize)resourceBytes.size(),                                                                     // size
2181                 (VkBufferUsageFlags)getMatchingBufferUsageFlagBit(resource.first),      // usage
2182                 VK_SHARING_MODE_EXCLUSIVE,                                                                                      // sharingMode
2183                 1u,                                                                                                                                     // queueFamilyCount
2184                 &queueFamilyIndex,                                                                                                      // pQueueFamilyIndices
2185         };
2186
2187         return createBuffer(vk, vkDevice, &resourceBufferParams);
2188 }
2189
2190 Move<VkImage> createImageForResource (const DeviceInterface& vk, const VkDevice vkDevice, const Resource& resource, deUint32 queueFamilyIndex)
2191 {
2192         const VkImageCreateInfo resourceImageParams     =
2193         {
2194                 VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,                                                            //      VkStructureType         sType;
2195                 DE_NULL,                                                                                                                        //      const void*                     pNext;
2196                 0u,                                                                                                                                     //      VkImageCreateFlags      flags;
2197                 VK_IMAGE_TYPE_2D,                                                                                                       //      VkImageType                     imageType;
2198                 VK_FORMAT_R32G32B32A32_SFLOAT,                                                                          //      VkFormat                        format;
2199                 { 8, 8, 1 },                                                                                                            //      VkExtent3D                      extent;
2200                 1u,                                                                                                                                     //      deUint32                        mipLevels;
2201                 1u,                                                                                                                                     //      deUint32                        arraySize;
2202                 VK_SAMPLE_COUNT_1_BIT,                                                                                          //      deUint32                        samples;
2203                 VK_IMAGE_TILING_OPTIMAL,                                                                                        //      VkImageTiling           tiling;
2204                 getMatchingImageUsageFlags(resource.first),                                                     //      VkImageUsageFlags       usage;
2205                 VK_SHARING_MODE_EXCLUSIVE,                                                                                      //      VkSharingMode           sharingMode;
2206                 1u,                                                                                                                                     //      deUint32                        queueFamilyCount;
2207                 &queueFamilyIndex,                                                                                                      //      const deUint32*         pQueueFamilyIndices;
2208                 VK_IMAGE_LAYOUT_UNDEFINED                                                                                       //      VkImageLayout           initialLayout;
2209         };
2210
2211         return createImage(vk, vkDevice, &resourceImageParams);
2212 }
2213
2214 void copyBufferToImage (const DeviceInterface& vk, const VkDevice& device, const VkQueue& queue, VkCommandBuffer cmdBuffer, VkBuffer buffer, VkImage image)
2215 {
2216         const VkBufferImageCopy                 copyRegion                      =
2217         {
2218                 0u,                                                                                             // VkDeviceSize                         bufferOffset;
2219                 0u,                                                                                             // deUint32                                     bufferRowLength;
2220                 0u,                                                                                             // deUint32                                     bufferImageHeight;
2221                 {
2222                         VK_IMAGE_ASPECT_COLOR_BIT,                                              // VkImageAspectFlags           aspect;
2223                         0u,                                                                                             // deUint32                                     mipLevel;
2224                         0u,                                                                                             // deUint32                                     baseArrayLayer;
2225                         1u,                                                                                             // deUint32                                     layerCount;
2226                 },                                                                                              // VkImageSubresourceLayers     imageSubresource;
2227                 { 0, 0, 0 },                                                                    // VkOffset3D                           imageOffset;
2228                 { 8, 8, 1 }                                                                             // VkExtent3D                           imageExtent;
2229         };
2230
2231         // Copy buffer to image
2232         const VkCommandBufferBeginInfo  cmdBufferBeginInfo      =
2233         {
2234                 VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,    // VkStructureType                                                      sType;
2235                 DE_NULL,                                                                                // const void*                                                          pNext;
2236                 VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT,    // VkCommandBufferUsageFlags                            flags;
2237                 DE_NULL                                                                                 // const VkCommandBufferInheritanceInfo*        pInheritanceInfo;
2238         };
2239
2240         const VkImageMemoryBarrier              imageBarriers[]         =
2241         {
2242                 {
2243                         VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,         // VkStructureType                      sType;
2244                         DE_NULL,                                                                        // const void*                          pNext;
2245                         DE_NULL,                                                                        // VkAccessFlags                        srcAccessMask;
2246                         VK_ACCESS_TRANSFER_WRITE_BIT,                           // VkAccessFlags                        dstAccessMask;
2247                         VK_IMAGE_LAYOUT_UNDEFINED,                                      // VkImageLayout                        oldLayout;
2248                         VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,           // VkImageLayout                        newLayout;
2249                         VK_QUEUE_FAMILY_IGNORED,                                        // deUint32                                     srcQueueFamilyIndex;
2250                         VK_QUEUE_FAMILY_IGNORED,                                        // deUint32                                     dstQueueFamilyIndex;
2251                         image,                                                                          // VkImage                                      image;
2252                         {                                                                                       // VkImageSubresourceRange      subresourceRange;
2253                                 VK_IMAGE_ASPECT_COLOR_BIT,              // VkImageAspectFlags   aspectMask;
2254                                 0u,                                                             // deUint32                             baseMipLevel;
2255                                 1u,                                                             // deUint32                             mipLevels;
2256                                 0u,                                                             // deUint32                             baseArraySlice;
2257                                 1u                                                              // deUint32                             arraySize;
2258                         }
2259                 },
2260                 {
2261                         VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,         // VkStructureType                      sType;
2262                         DE_NULL,                                                                        // const void*                          pNext;
2263                         VK_ACCESS_TRANSFER_WRITE_BIT,                           // VkAccessFlags                        srcAccessMask;
2264                         VK_ACCESS_SHADER_READ_BIT,                                      // VkAccessFlags                        dstAccessMask;
2265                         VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,           // VkImageLayout                        oldLayout;
2266                         VK_IMAGE_LAYOUT_GENERAL,                                        // VkImageLayout                        newLayout;
2267                         VK_QUEUE_FAMILY_IGNORED,                                        // deUint32                                     srcQueueFamilyIndex;
2268                         VK_QUEUE_FAMILY_IGNORED,                                        // deUint32                                     dstQueueFamilyIndex;
2269                         image,                                                                          // VkImage                                      image;
2270                         {                                                                                       // VkImageSubresourceRange      subresourceRange;
2271                                 VK_IMAGE_ASPECT_COLOR_BIT,              // VkImageAspectFlags   aspectMask;
2272                                 0u,                                                             // deUint32                             baseMipLevel;
2273                                 1u,                                                             // deUint32                             mipLevels;
2274                                 0u,                                                             // deUint32                             baseArraySlice;
2275                                 1u                                                              // deUint32                             arraySize;
2276                         }
2277                 },
2278         };
2279
2280         VK_CHECK(vk.beginCommandBuffer(cmdBuffer, &cmdBufferBeginInfo));
2281         vk.cmdPipelineBarrier(cmdBuffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, (VkDependencyFlags)0, 0, (const VkMemoryBarrier*)DE_NULL,
2282                 0u, DE_NULL, 1u, &imageBarriers[0]);
2283         vk.cmdCopyBufferToImage(cmdBuffer, buffer, image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1u, &copyRegion);
2284         vk.cmdPipelineBarrier(cmdBuffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, (VkDependencyFlags)0, 0, (const VkMemoryBarrier*)DE_NULL,
2285                 0, (const VkBufferMemoryBarrier*)DE_NULL, 1, &imageBarriers[1]);
2286
2287         VK_CHECK(vk.endCommandBuffer(cmdBuffer));
2288
2289         {
2290                 const VkFenceCreateInfo fenceParams     =
2291                 {
2292                         VK_STRUCTURE_TYPE_FENCE_CREATE_INFO,    //      VkStructureType         sType;
2293                         DE_NULL,                                                                //      const void*                     pNext;
2294                         0u,                                                                             //      VkFenceCreateFlags      flags;
2295                 };
2296
2297                 const Unique<VkFence>   fence           (createFence(vk, device, &fenceParams));
2298                 const VkSubmitInfo              submitInfo      =
2299                 {
2300                         VK_STRUCTURE_TYPE_SUBMIT_INFO,                  // VkStructureType                              sType;
2301                         DE_NULL,                                                                // const void*                                  pNext;
2302                         0u,                                                                             // deUint32                                             waitSemaphoreCount;
2303                         DE_NULL,                                                                // const VkSemaphore*                   pWaitSemaphores;
2304                         DE_NULL,                                                                // const VkPipelineStageFlags*  pWaitDstStageMask;
2305                         1u,                                                                             // deUint32                                             commandBufferCount;
2306                         &cmdBuffer,                                                             // const VkCommandBuffer*               pCommandBuffers;
2307                         0u,                                                                             // deUint32                                             signalSemaphoreCount;
2308                         DE_NULL                                                                 // const VkSemaphore*                   pSignalSemaphores;
2309                 };
2310
2311                 VK_CHECK(vk.queueSubmit(queue, 1u, &submitInfo, *fence));
2312                 VK_CHECK(vk.waitForFences(device, 1u, &fence.get(), DE_TRUE, ~0ull));
2313         }
2314 }
2315
2316 TestStatus runAndVerifyDefaultPipeline (Context& context, InstanceContext instance)
2317 {
2318         const InstanceInterface&                                        vkInstance                              = context.getInstanceInterface();
2319         const VkPhysicalDevice                                          vkPhysicalDevice                = context.getPhysicalDevice();
2320         const deUint32                                                          queueFamilyIndex                = context.getUniversalQueueFamilyIndex();
2321         // Create a dedicated logic device with required extensions enabled for this test case.
2322         const tcu::UVec2                                                        renderSize                              (256, 256);
2323         const int                                                                       testSpecificSeed                = 31354125;
2324         const int                                                                       seed                                    = context.getTestContext().getCommandLine().getBaseSeed() ^ testSpecificSeed;
2325         bool                                                                            supportsGeometry                = false;
2326         bool                                                                            supportsTessellation    = false;
2327         bool                                                                            hasTessellation         = false;
2328         const bool                                                                      hasPushConstants                = !instance.pushConstants.empty();
2329         const deUint32                                                          numResources                    = static_cast<deUint32>(instance.resources.inputs.size() + instance.resources.outputs.size());
2330         const bool                                                                      needInterface                   = !instance.interfaces.empty();
2331         const VkPhysicalDeviceFeatures&                         features                                = context.getDeviceFeatures();
2332
2333         supportsGeometry                = features.geometryShader == VK_TRUE;
2334         supportsTessellation    = features.tessellationShader == VK_TRUE;
2335         hasTessellation                 = (instance.requiredStages & VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT) ||
2336                                                                 (instance.requiredStages & VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT);
2337
2338         if (hasTessellation && !supportsTessellation)
2339         {
2340                 TCU_THROW(NotSupportedError, "Tessellation not supported");
2341         }
2342
2343         if ((instance.requiredStages & VK_SHADER_STAGE_GEOMETRY_BIT) &&
2344                 !supportsGeometry)
2345         {
2346                 TCU_THROW(NotSupportedError, "Geometry not supported");
2347         }
2348
2349         {
2350                 for (deUint32 featureNdx = 0; featureNdx < instance.requiredDeviceFeatures.size(); ++featureNdx)
2351                 {
2352                         const string& feature = instance.requiredDeviceFeatures[featureNdx];
2353
2354                         if (feature == "shaderInt16")
2355                         {
2356                                 if (features.shaderInt16 != VK_TRUE)
2357                                         TCU_THROW(NotSupportedError, "Device feature not supported: shaderInt16");
2358                         }
2359                         else if (feature == "shaderInt64")
2360                         {
2361                                 if (features.shaderInt64 != VK_TRUE)
2362                                         TCU_THROW(NotSupportedError, "Device feature not supported: shaderInt64");
2363                         }
2364                         else
2365                         {
2366                                 TCU_THROW(InternalError, (std::string("Unimplemented physical device feature: ") + feature).c_str());
2367                         }
2368                 }
2369         }
2370
2371         // 16bit storage features
2372         {
2373                 if (!is16BitStorageFeaturesSupported(vkInstance, vkPhysicalDevice, context.getInstanceExtensions(), instance.requestedFeatures.ext16BitStorage))
2374                         TCU_THROW(NotSupportedError, "Requested 16bit storage features not supported");
2375         }
2376
2377         // Variable Pointers features
2378         {
2379                 if (!isVariablePointersFeaturesSupported(vkInstance, vkPhysicalDevice, context.getInstanceExtensions(), instance.requestedFeatures.extVariablePointers))
2380                         TCU_THROW(NotSupportedError, "Requested Variable Pointer features not supported");
2381
2382                 if (instance.requestedFeatures.extVariablePointers)
2383                 {
2384                         // The device doesn't have the vertexPipelineStoresAndAtomics feature, but the test requires the feature for
2385                         // vertex, tesselation, and geometry stages.
2386                         if (features.vertexPipelineStoresAndAtomics == DE_FALSE &&
2387                                 instance.requestedFeatures.coreFeatures.vertexPipelineStoresAndAtomics == DE_TRUE &&
2388                             (instance.customizedStages & vk::VK_SHADER_STAGE_VERTEX_BIT ||
2389                                  instance.customizedStages & vk::VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT ||
2390                                  instance.customizedStages & vk::VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT ||
2391                                  instance.customizedStages & vk::VK_SHADER_STAGE_GEOMETRY_BIT))
2392                                 TCU_THROW(NotSupportedError, "This VK_KHR_variable_pointers extension test requires vertexPipelineStoresAndAtomics device feature.");
2393
2394                         // The device doesn't have the fragmentStoresAndAtomics feature, but the test requires this feature for the fragment stage.
2395                         if (features.fragmentStoresAndAtomics == DE_FALSE &&
2396                             instance.requestedFeatures.coreFeatures.fragmentStoresAndAtomics == DE_TRUE &&
2397                                 instance.customizedStages & vk::VK_SHADER_STAGE_FRAGMENT_BIT)
2398                                 TCU_THROW(NotSupportedError, "This VK_KHR_variable_pointers extension test requires fragmentStoresAndAtomics device feature.");
2399                 }
2400         }
2401
2402         // defer device and other resource creation until after feature checks
2403         const Unique<VkDevice>                                          vkDevice                                (createDeviceWithExtensions(context, queueFamilyIndex, context.getDeviceExtensions(), instance.requiredDeviceExtensions));
2404         const DeviceDriver                                                      vk                                              (vkInstance, *vkDevice);
2405         const VkQueue                                                           queue                                   = getDeviceQueue(vk, *vkDevice, queueFamilyIndex, 0);
2406         const de::UniquePtr<Allocator>                          allocatorUptr                   (createAllocator(vkInstance, vkPhysicalDevice, vk, *vkDevice));
2407         Allocator&                                                                      allocator                               = *allocatorUptr;
2408         vector<ModuleHandleSp>                                          modules;
2409         map<VkShaderStageFlagBits, VkShaderModule>      moduleByStage;
2410
2411
2412         de::Random(seed).shuffle(instance.inputColors, instance.inputColors+4);
2413         de::Random(seed).shuffle(instance.outputColors, instance.outputColors+4);
2414         const Vec4                                                              vertexData[]                    =
2415         {
2416                 // Upper left corner:
2417                 Vec4(-1.0f, -1.0f, 0.0f, 1.0f), instance.inputColors[0].toVec(),
2418                 Vec4(-0.5f, -1.0f, 0.0f, 1.0f), instance.inputColors[0].toVec(),
2419                 Vec4(-1.0f, -0.5f, 0.0f, 1.0f), instance.inputColors[0].toVec(),
2420
2421                 // Upper right corner:
2422                 Vec4(+0.5f, -1.0f, 0.0f, 1.0f), instance.inputColors[1].toVec(),
2423                 Vec4(+1.0f, -1.0f, 0.0f, 1.0f), instance.inputColors[1].toVec(),
2424                 Vec4(+1.0f, -0.5f, 0.0f, 1.0f), instance.inputColors[1].toVec(),
2425
2426                 // Lower left corner:
2427                 Vec4(-1.0f, +0.5f, 0.0f, 1.0f), instance.inputColors[2].toVec(),
2428                 Vec4(-0.5f, +1.0f, 0.0f, 1.0f), instance.inputColors[2].toVec(),
2429                 Vec4(-1.0f, +1.0f, 0.0f, 1.0f), instance.inputColors[2].toVec(),
2430
2431                 // Lower right corner:
2432                 Vec4(+1.0f, +0.5f, 0.0f, 1.0f), instance.inputColors[3].toVec(),
2433                 Vec4(+1.0f, +1.0f, 0.0f, 1.0f), instance.inputColors[3].toVec(),
2434                 Vec4(+0.5f, +1.0f, 0.0f, 1.0f), instance.inputColors[3].toVec()
2435         };
2436         const size_t                                                    singleVertexDataSize    = 2 * sizeof(Vec4);
2437         const size_t                                                    vertexCount                             = sizeof(vertexData) / singleVertexDataSize;
2438
2439         Move<VkBuffer>                                                  vertexInputBuffer;
2440         de::MovePtr<Allocation>                                 vertexInputMemory;
2441         Move<VkBuffer>                                                  fragOutputBuffer;
2442         de::MovePtr<Allocation>                                 fragOutputMemory;
2443         Move<VkImage>                                                   fragOutputImage;
2444         de::MovePtr<Allocation>                                 fragOutputImageMemory;
2445         Move<VkImageView>                                               fragOutputImageView;
2446
2447         const VkBufferCreateInfo                                vertexBufferParams              =
2448         {
2449                 VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,   //      VkStructureType         sType;
2450                 DE_NULL,                                                                //      const void*                     pNext;
2451                 0u,                                                                             //      VkBufferCreateFlags     flags;
2452                 (VkDeviceSize)sizeof(vertexData),               //      VkDeviceSize            size;
2453                 VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,              //      VkBufferUsageFlags      usage;
2454                 VK_SHARING_MODE_EXCLUSIVE,                              //      VkSharingMode           sharingMode;
2455                 1u,                                                                             //      deUint32                        queueFamilyCount;
2456                 &queueFamilyIndex,                                              //      const deUint32*         pQueueFamilyIndices;
2457         };
2458         const Unique<VkBuffer>                                  vertexBuffer                    (createBuffer(vk, *vkDevice, &vertexBufferParams));
2459         const UniquePtr<Allocation>                             vertexBufferMemory              (allocator.allocate(getBufferMemoryRequirements(vk, *vkDevice, *vertexBuffer), MemoryRequirement::HostVisible));
2460
2461         VK_CHECK(vk.bindBufferMemory(*vkDevice, *vertexBuffer, vertexBufferMemory->getMemory(), vertexBufferMemory->getOffset()));
2462
2463         const VkDeviceSize                                              imageSizeBytes                  = (VkDeviceSize)(sizeof(deUint32)*renderSize.x()*renderSize.y());
2464         const VkBufferCreateInfo                                readImageBufferParams   =
2465         {
2466                 VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,           //      VkStructureType         sType;
2467                 DE_NULL,                                                                        //      const void*                     pNext;
2468                 0u,                                                                                     //      VkBufferCreateFlags     flags;
2469                 imageSizeBytes,                                                         //      VkDeviceSize            size;
2470                 VK_BUFFER_USAGE_TRANSFER_DST_BIT,                       //      VkBufferUsageFlags      usage;
2471                 VK_SHARING_MODE_EXCLUSIVE,                                      //      VkSharingMode           sharingMode;
2472                 1u,                                                                                     //      deUint32                        queueFamilyCount;
2473                 &queueFamilyIndex,                                                      //      const deUint32*         pQueueFamilyIndices;
2474         };
2475         const Unique<VkBuffer>                                  readImageBuffer                 (createBuffer(vk, *vkDevice, &readImageBufferParams));
2476         const UniquePtr<Allocation>                             readImageBufferMemory   (allocator.allocate(getBufferMemoryRequirements(vk, *vkDevice, *readImageBuffer), MemoryRequirement::HostVisible));
2477
2478         VK_CHECK(vk.bindBufferMemory(*vkDevice, *readImageBuffer, readImageBufferMemory->getMemory(), readImageBufferMemory->getOffset()));
2479
2480         VkImageCreateInfo                                               imageParams                             =
2481         {
2482                 VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,                                                                    //      VkStructureType         sType;
2483                 DE_NULL,                                                                                                                                //      const void*                     pNext;
2484                 0u,                                                                                                                                             //      VkImageCreateFlags      flags;
2485                 VK_IMAGE_TYPE_2D,                                                                                                               //      VkImageType                     imageType;
2486                 VK_FORMAT_R8G8B8A8_UNORM,                                                                                               //      VkFormat                        format;
2487                 { renderSize.x(), renderSize.y(), 1 },                                                                  //      VkExtent3D                      extent;
2488                 1u,                                                                                                                                             //      deUint32                        mipLevels;
2489                 1u,                                                                                                                                             //      deUint32                        arraySize;
2490                 VK_SAMPLE_COUNT_1_BIT,                                                                                                  //      deUint32                        samples;
2491                 VK_IMAGE_TILING_OPTIMAL,                                                                                                //      VkImageTiling           tiling;
2492                 VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT|VK_IMAGE_USAGE_TRANSFER_SRC_BIT,    //      VkImageUsageFlags       usage;
2493                 VK_SHARING_MODE_EXCLUSIVE,                                                                                              //      VkSharingMode           sharingMode;
2494                 1u,                                                                                                                                             //      deUint32                        queueFamilyCount;
2495                 &queueFamilyIndex,                                                                                                              //      const deUint32*         pQueueFamilyIndices;
2496                 VK_IMAGE_LAYOUT_UNDEFINED,                                                                                              //      VkImageLayout           initialLayout;
2497         };
2498
2499         const Unique<VkImage>                                   image                                   (createImage(vk, *vkDevice, &imageParams));
2500         const UniquePtr<Allocation>                             imageMemory                             (allocator.allocate(getImageMemoryRequirements(vk, *vkDevice, *image), MemoryRequirement::Any));
2501
2502         VK_CHECK(vk.bindImageMemory(*vkDevice, *image, imageMemory->getMemory(), imageMemory->getOffset()));
2503
2504         if (needInterface)
2505         {
2506                 // The pipeline renders four triangles, each with three vertexes.
2507                 // Test instantialization only provides four data points, each
2508                 // for one triangle. So we need allocate space of three times of
2509                 // input buffer's size.
2510                 vector<deUint8>                                                 inputBufferBytes;
2511                 instance.interfaces.getInputBuffer()->getBytes(inputBufferBytes);
2512
2513                 const deUint32                                                  inputNumBytes                   = deUint32(inputBufferBytes.size() * 3);
2514                 // Create an additional buffer and backing memory for one input variable.
2515                 const VkBufferCreateInfo                                vertexInputParams               =
2516                 {
2517                         VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,           //      VkStructureType         sType;
2518                         DE_NULL,                                                                        //      const void*                     pNext;
2519                         0u,                                                                                     //      VkBufferCreateFlags     flags;
2520                         inputNumBytes,                                                          //      VkDeviceSize            size;
2521                         VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,                      //      VkBufferUsageFlags      usage;
2522                         VK_SHARING_MODE_EXCLUSIVE,                                      //      VkSharingMode           sharingMode;
2523                         1u,                                                                                     //      deUint32                        queueFamilyCount;
2524                         &queueFamilyIndex,                                                      //      const deUint32*         pQueueFamilyIndices;
2525                 };
2526
2527                 vertexInputBuffer = createBuffer(vk, *vkDevice, &vertexInputParams);
2528                 vertexInputMemory = allocator.allocate(getBufferMemoryRequirements(vk, *vkDevice, *vertexInputBuffer), MemoryRequirement::HostVisible);
2529                 VK_CHECK(vk.bindBufferMemory(*vkDevice, *vertexInputBuffer, vertexInputMemory->getMemory(), vertexInputMemory->getOffset()));
2530
2531                 // Create an additional buffer and backing memory for an output variable.
2532                 const VkDeviceSize                                              fragOutputImgSize               = (VkDeviceSize)(instance.interfaces.getOutputType().getNumBytes() * renderSize.x() * renderSize.y());
2533                 const VkBufferCreateInfo                                fragOutputParams                =
2534                 {
2535                         VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,           //      VkStructureType         sType;
2536                         DE_NULL,                                                                        //      const void*                     pNext;
2537                         0u,                                                                                     //      VkBufferCreateFlags     flags;
2538                         fragOutputImgSize,                                                      //      VkDeviceSize            size;
2539                         VK_BUFFER_USAGE_TRANSFER_DST_BIT,                       //      VkBufferUsageFlags      usage;
2540                         VK_SHARING_MODE_EXCLUSIVE,                                      //      VkSharingMode           sharingMode;
2541                         1u,                                                                                     //      deUint32                        queueFamilyCount;
2542                         &queueFamilyIndex,                                                      //      const deUint32*         pQueueFamilyIndices;
2543                 };
2544                 fragOutputBuffer = createBuffer(vk, *vkDevice, &fragOutputParams);
2545                 fragOutputMemory = allocator.allocate(getBufferMemoryRequirements(vk, *vkDevice, *fragOutputBuffer), MemoryRequirement::HostVisible);
2546                 VK_CHECK(vk.bindBufferMemory(*vkDevice, *fragOutputBuffer, fragOutputMemory->getMemory(), fragOutputMemory->getOffset()));
2547
2548                 // Create an additional image and backing memory for attachment.
2549                 // Reuse the previous imageParams since we only need to change the image format.
2550                 imageParams.format              = instance.interfaces.getOutputType().getVkFormat();
2551
2552                 // Check the usage bits on the given image format are supported.
2553                 requireFormatUsageSupport(vkInstance, vkPhysicalDevice, imageParams.format, imageParams.tiling, imageParams.usage);
2554
2555                 fragOutputImage                 = createImage(vk, *vkDevice, &imageParams);
2556                 fragOutputImageMemory   = allocator.allocate(getImageMemoryRequirements(vk, *vkDevice, *fragOutputImage), MemoryRequirement::Any);
2557
2558                 VK_CHECK(vk.bindImageMemory(*vkDevice, *fragOutputImage, fragOutputImageMemory->getMemory(), fragOutputImageMemory->getOffset()));
2559         }
2560
2561         vector<VkAttachmentDescription>                 colorAttDescs;
2562         vector<VkAttachmentReference>                   colorAttRefs;
2563         {
2564                 const VkAttachmentDescription           attDesc                                 =
2565                 {
2566                         0u,                                                                                             //      VkAttachmentDescriptionFlags    flags;
2567                         VK_FORMAT_R8G8B8A8_UNORM,                                               //      VkFormat                                                format;
2568                         VK_SAMPLE_COUNT_1_BIT,                                                  //      deUint32                                                samples;
2569                         VK_ATTACHMENT_LOAD_OP_CLEAR,                                    //      VkAttachmentLoadOp                              loadOp;
2570                         VK_ATTACHMENT_STORE_OP_STORE,                                   //      VkAttachmentStoreOp                             storeOp;
2571                         VK_ATTACHMENT_LOAD_OP_DONT_CARE,                                //      VkAttachmentLoadOp                              stencilLoadOp;
2572                         VK_ATTACHMENT_STORE_OP_DONT_CARE,                               //      VkAttachmentStoreOp                             stencilStoreOp;
2573                         VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,               //      VkImageLayout                                   initialLayout;
2574                         VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,               //      VkImageLayout                                   finalLayout;
2575                 };
2576                 colorAttDescs.push_back(attDesc);
2577
2578                 const VkAttachmentReference                     attRef                                  =
2579                 {
2580                         0u,                                                                                             //      deUint32                attachment;
2581                         VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,               //      VkImageLayout   layout;
2582                 };
2583                 colorAttRefs.push_back(attRef);
2584         }
2585
2586         if (needInterface)
2587         {
2588                 const VkAttachmentDescription           attDesc                                 =
2589                 {
2590                         0u,                                                                                                     //      VkAttachmentDescriptionFlags    flags;
2591                         instance.interfaces.getOutputType().getVkFormat(),      //      VkFormat                                                format;
2592                         VK_SAMPLE_COUNT_1_BIT,                                                          //      deUint32                                                samples;
2593                         VK_ATTACHMENT_LOAD_OP_CLEAR,                                            //      VkAttachmentLoadOp                              loadOp;
2594                         VK_ATTACHMENT_STORE_OP_STORE,                                           //      VkAttachmentStoreOp                             storeOp;
2595                         VK_ATTACHMENT_LOAD_OP_DONT_CARE,                                        //      VkAttachmentLoadOp                              stencilLoadOp;
2596                         VK_ATTACHMENT_STORE_OP_DONT_CARE,                                       //      VkAttachmentStoreOp                             stencilStoreOp;
2597                         VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,                       //      VkImageLayout                                   initialLayout;
2598                         VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,                       //      VkImageLayout                                   finalLayout;
2599                 };
2600                 colorAttDescs.push_back(attDesc);
2601
2602                 const VkAttachmentReference                     attRef                                  =
2603                 {
2604                         1u,                                                                                             //      deUint32                attachment;
2605                         VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,               //      VkImageLayout   layout;
2606                 };
2607                 colorAttRefs.push_back(attRef);
2608         }
2609
2610         VkSubpassDescription                                    subpassDesc                             =
2611         {
2612                 0u,                                                                                             //      VkSubpassDescriptionFlags               flags;
2613                 VK_PIPELINE_BIND_POINT_GRAPHICS,                                //      VkPipelineBindPoint                             pipelineBindPoint;
2614                 0u,                                                                                             //      deUint32                                                inputCount;
2615                 DE_NULL,                                                                                //      const VkAttachmentReference*    pInputAttachments;
2616                 1u,                                                                                             //      deUint32                                                colorCount;
2617                 colorAttRefs.data(),                                                    //      const VkAttachmentReference*    pColorAttachments;
2618                 DE_NULL,                                                                                //      const VkAttachmentReference*    pResolveAttachments;
2619                 DE_NULL,                                                                                //      const VkAttachmentReference*    pDepthStencilAttachment;
2620                 0u,                                                                                             //      deUint32                                                preserveCount;
2621                 DE_NULL,                                                                                //      const VkAttachmentReference*    pPreserveAttachments;
2622
2623         };
2624         VkRenderPassCreateInfo                                  renderPassParams                =
2625         {
2626                 VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,              //      VkStructureType                                 sType;
2627                 DE_NULL,                                                                                //      const void*                                             pNext;
2628                 (VkRenderPassCreateFlags)0,
2629                 1u,                                                                                             //      deUint32                                                attachmentCount;
2630                 colorAttDescs.data(),                                                   //      const VkAttachmentDescription*  pAttachments;
2631                 1u,                                                                                             //      deUint32                                                subpassCount;
2632                 &subpassDesc,                                                                   //      const VkSubpassDescription*             pSubpasses;
2633                 0u,                                                                                             //      deUint32                                                dependencyCount;
2634                 DE_NULL,                                                                                //      const VkSubpassDependency*              pDependencies;
2635         };
2636
2637         if (needInterface)
2638         {
2639                 subpassDesc.colorAttachmentCount += 1;
2640                 renderPassParams.attachmentCount += 1;
2641         }
2642
2643         const Unique<VkRenderPass>                              renderPass                              (createRenderPass(vk, *vkDevice, &renderPassParams));
2644
2645         const VkImageViewCreateInfo                             colorAttViewParams              =
2646         {
2647                 VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,               //      VkStructureType                         sType;
2648                 DE_NULL,                                                                                //      const void*                                     pNext;
2649                 0u,                                                                                             //      VkImageViewCreateFlags          flags;
2650                 *image,                                                                                 //      VkImage                                         image;
2651                 VK_IMAGE_VIEW_TYPE_2D,                                                  //      VkImageViewType                         viewType;
2652                 VK_FORMAT_R8G8B8A8_UNORM,                                               //      VkFormat                                        format;
2653                 {
2654                         VK_COMPONENT_SWIZZLE_R,
2655                         VK_COMPONENT_SWIZZLE_G,
2656                         VK_COMPONENT_SWIZZLE_B,
2657                         VK_COMPONENT_SWIZZLE_A
2658                 },                                                                                              //      VkChannelMapping                        channels;
2659                 {
2660                         VK_IMAGE_ASPECT_COLOR_BIT,                                              //      VkImageAspectFlags      aspectMask;
2661                         0u,                                                                                             //      deUint32                        baseMipLevel;
2662                         1u,                                                                                             //      deUint32                        mipLevels;
2663                         0u,                                                                                             //      deUint32                        baseArrayLayer;
2664                         1u,                                                                                             //      deUint32                        arraySize;
2665                 },                                                                                              //      VkImageSubresourceRange         subresourceRange;
2666         };
2667         const Unique<VkImageView>                               colorAttView                    (createImageView(vk, *vkDevice, &colorAttViewParams));
2668
2669         vector<VkImageView>                                             attViews;
2670         attViews.push_back(*colorAttView);
2671
2672         // Handle resources requested by the test instantiation.
2673         const deUint32                                                  numInResources                  = static_cast<deUint32>(instance.resources.inputs.size());
2674         const deUint32                                                  numOutResources                 = static_cast<deUint32>(instance.resources.outputs.size());
2675         // These variables should be placed out of the following if block to avoid deallocation after out of scope.
2676         vector<AllocationSp>                                    inResourceMemories;
2677         vector<AllocationSp>                                    outResourceMemories;
2678         vector<BufferHandleSp>                                  inResourceBuffers;
2679         vector<BufferHandleSp>                                  outResourceBuffers;
2680         vector<ImageHandleSp>                                   inResourceImages;
2681         vector<ImageViewHandleSp>                               inResourceImageViews;
2682         vector<SamplerHandleSp>                                 inResourceSamplers;
2683         Move<VkDescriptorPool>                                  descriptorPool;
2684         Move<VkDescriptorSetLayout>                             setLayout;
2685         VkDescriptorSetLayout                                   rawSetLayout                    = DE_NULL;
2686         VkDescriptorSet                                                 rawSet                                  = DE_NULL;
2687
2688         const Unique<VkCommandPool>                             cmdPool                                 (createCommandPool(vk, *vkDevice, VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT, queueFamilyIndex));
2689
2690         // Command buffer
2691         const Unique<VkCommandBuffer>                   cmdBuf                                  (allocateCommandBuffer(vk, *vkDevice, *cmdPool, VK_COMMAND_BUFFER_LEVEL_PRIMARY));
2692
2693         if (numResources != 0)
2694         {
2695                 vector<VkDescriptorSetLayoutBinding>    setLayoutBindings;
2696                 vector<VkDescriptorPoolSize>                    poolSizes;
2697
2698                 setLayoutBindings.reserve(numResources);
2699                 poolSizes.reserve(numResources);
2700
2701                 // Process all input resources.
2702                 for (deUint32 inputNdx = 0; inputNdx < numInResources; ++inputNdx)
2703                 {
2704                         const Resource& resource        = instance.resources.inputs[inputNdx];
2705
2706                         const bool              hasImage        = (resource.first == VK_DESCRIPTOR_TYPE_STORAGE_IMAGE)  ||
2707                                                                                   (resource.first == VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE)  ||
2708                                                                                   (resource.first == VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER);
2709
2710                         const bool              hasSampler      = (resource.first == VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE)  ||
2711                                                                                   (resource.first == VK_DESCRIPTOR_TYPE_SAMPLER)                ||
2712                                                                                   (resource.first == VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER);
2713
2714                         // Resource is a buffer
2715                         if (!hasImage && !hasSampler)
2716                         {
2717                                 Move<VkBuffer>                                  resourceBuffer                  = createBufferForResource(vk, *vkDevice, resource, queueFamilyIndex);
2718                                 de::MovePtr<Allocation>                 resourceMemory                  = allocator.allocate(getBufferMemoryRequirements(vk, *vkDevice, *resourceBuffer), MemoryRequirement::HostVisible);
2719
2720                                 VK_CHECK(vk.bindBufferMemory(*vkDevice, *resourceBuffer, resourceMemory->getMemory(), resourceMemory->getOffset()));
2721
2722                                 // Copy data to memory.
2723                                 {
2724                                         const VkMappedMemoryRange               range                                   =
2725                                         {
2726                                                 VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE,                          //      VkStructureType sType;
2727                                                 DE_NULL,                                                                                        //      const void*             pNext;
2728                                                 resourceMemory->getMemory(),                                            //      VkDeviceMemory  mem;
2729                                                 0,                                                                                                      //      VkDeviceSize    offset;
2730                                                 VK_WHOLE_SIZE,                                                                          //      VkDeviceSize    size;
2731                                         };
2732
2733                                         vector<deUint8>                                 resourceBytes;
2734                                         resource.second->getBytes(resourceBytes);
2735
2736                                         deMemcpy(resourceMemory->getHostPtr(), &resourceBytes.front(), resourceBytes.size());
2737                                         VK_CHECK(vk.flushMappedMemoryRanges(*vkDevice, 1u, &range));
2738                                 }
2739
2740                                 inResourceMemories.push_back(AllocationSp(resourceMemory.release()));
2741                                 inResourceBuffers.push_back(BufferHandleSp(new BufferHandleUp(resourceBuffer)));
2742                         }
2743                         // Resource is an image
2744                         else if (hasImage)
2745                         {
2746                                 Move<VkBuffer>                                  resourceBuffer                  = createBufferForResource(vk, *vkDevice, resource, queueFamilyIndex);
2747                                 de::MovePtr<Allocation>                 resourceMemory                  = allocator.allocate(getBufferMemoryRequirements(vk, *vkDevice, *resourceBuffer), MemoryRequirement::HostVisible);
2748
2749                                 VK_CHECK(vk.bindBufferMemory(*vkDevice, *resourceBuffer, resourceMemory->getMemory(), resourceMemory->getOffset()));
2750
2751                                 // Copy data to memory.
2752                                 {
2753                                         const VkMappedMemoryRange               range                                   =
2754                                         {
2755                                                 VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE,                          //      VkStructureType sType;
2756                                                 DE_NULL,                                                                                        //      const void*             pNext;
2757                                                 resourceMemory->getMemory(),                                            //      VkDeviceMemory  mem;
2758                                                 0,                                                                                                      //      VkDeviceSize    offset;
2759                                                 VK_WHOLE_SIZE,                                                                          //      VkDeviceSize    size;
2760                                         };
2761
2762                                         vector<deUint8>                                 resourceBytes;
2763                                         resource.second->getBytes(resourceBytes);
2764
2765                                         deMemcpy(resourceMemory->getHostPtr(), &resourceBytes.front(), resourceBytes.size());
2766                                         VK_CHECK(vk.flushMappedMemoryRanges(*vkDevice, 1u, &range));
2767                                 }
2768
2769                                 Move<VkImage>                                   resourceImage                   = createImageForResource(vk, *vkDevice, resource, queueFamilyIndex);
2770                                 de::MovePtr<Allocation>                 resourceImageMemory             = allocator.allocate(getImageMemoryRequirements(vk, *vkDevice, *resourceImage), MemoryRequirement::Any);
2771
2772                                 VK_CHECK(vk.bindImageMemory(*vkDevice, *resourceImage, resourceImageMemory->getMemory(), resourceImageMemory->getOffset()));
2773
2774                                 copyBufferToImage(vk, *vkDevice, queue, *cmdBuf, resourceBuffer.get(), resourceImage.get());
2775
2776                                 inResourceMemories.push_back(AllocationSp(resourceImageMemory.release()));
2777                                 inResourceImages.push_back(ImageHandleSp(new ImageHandleUp(resourceImage)));
2778                         }
2779
2780                         // Prepare descriptor bindings and pool sizes for creating descriptor set layout and pool.
2781                         const VkDescriptorSetLayoutBinding      binding                         =
2782                         {
2783                                 inputNdx,                                                                                       // binding
2784                                 resource.first,                                                                         // descriptorType
2785                                 1u,                                                                                                     // descriptorCount
2786                                 VK_SHADER_STAGE_ALL_GRAPHICS,                                           // stageFlags
2787                                 DE_NULL,                                                                                        // pImmutableSamplers
2788                         };
2789                         setLayoutBindings.push_back(binding);
2790
2791                         // Note: the following code doesn't check and unify descriptors of the same type.
2792                         const VkDescriptorPoolSize              poolSize                                =
2793                         {
2794                                 resource.first,                                                                         // type
2795                                 1u,                                                                                                     // descriptorCount
2796                         };
2797                         poolSizes.push_back(poolSize);
2798                 }
2799
2800                 // Process all output resources.
2801                 for (deUint32 outputNdx = 0; outputNdx < numOutResources; ++outputNdx)
2802                 {
2803                         const Resource&                                 resource                                = instance.resources.outputs[outputNdx];
2804                         // Create buffer and allocate memory.
2805                         Move<VkBuffer>                                  resourceBuffer                  = createBufferForResource(vk, *vkDevice, resource, queueFamilyIndex);
2806                         de::MovePtr<Allocation>                 resourceMemory                  = allocator.allocate(getBufferMemoryRequirements(vk, *vkDevice, *resourceBuffer), MemoryRequirement::HostVisible);
2807                         vector<deUint8>                                 resourceBytes;
2808
2809                         VK_CHECK(vk.bindBufferMemory(*vkDevice, *resourceBuffer, resourceMemory->getMemory(), resourceMemory->getOffset()));
2810
2811                         // Fill memory with all ones.
2812                         const VkMappedMemoryRange               range                                   =
2813                         {
2814                                 VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE,                          //      VkStructureType sType;
2815                                 DE_NULL,                                                                                        //      const void*             pNext;
2816                                 resourceMemory->getMemory(),                                            //      VkDeviceMemory  mem;
2817                                 0,                                                                                                      //      VkDeviceSize    offset;
2818                                 VK_WHOLE_SIZE,                                                                          //      VkDeviceSize    size;
2819                         };
2820
2821                         resource.second->getBytes(resourceBytes);
2822                         deMemset((deUint8*)resourceMemory->getHostPtr(), 0xff, resourceBytes.size());
2823                         VK_CHECK(vk.flushMappedMemoryRanges(*vkDevice, 1u, &range));
2824
2825                         outResourceMemories.push_back(AllocationSp(resourceMemory.release()));
2826                         outResourceBuffers.push_back(BufferHandleSp(new BufferHandleUp(resourceBuffer)));
2827
2828                         // Prepare descriptor bindings and pool sizes for creating descriptor set layout and pool.
2829                         const VkDescriptorSetLayoutBinding      binding                         =
2830                         {
2831                                 numInResources  + outputNdx,                                            // binding
2832                                 resource.first,                                                                         // descriptorType
2833                                 1u,                                                                                                     // descriptorCount
2834                                 VK_SHADER_STAGE_ALL_GRAPHICS,                                           // stageFlags
2835                                 DE_NULL,                                                                                        // pImmutableSamplers
2836                         };
2837                         setLayoutBindings.push_back(binding);
2838
2839                         // Note: the following code doesn't check and unify descriptors of the same type.
2840                         const VkDescriptorPoolSize              poolSize                                =
2841                         {
2842                                 resource.first,                                                                         // type
2843                                 1u,                                                                                                     // descriptorCount
2844                         };
2845                         poolSizes.push_back(poolSize);
2846                 }
2847
2848                 // Create descriptor set layout, descriptor pool, and allocate descriptor set.
2849                 const VkDescriptorSetLayoutCreateInfo   setLayoutParams         =
2850                 {
2851                         VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,    // sType
2852                         DE_NULL,                                                                                                // pNext
2853                         (VkDescriptorSetLayoutCreateFlags)0,                                    // flags
2854                         numResources,                                                                                   // bindingCount
2855                         setLayoutBindings.data(),                                                               // pBindings
2856                 };
2857                 setLayout                                                                                                       = createDescriptorSetLayout(vk, *vkDevice, &setLayoutParams);
2858                 rawSetLayout                                                                                            = *setLayout;
2859
2860                 const VkDescriptorPoolCreateInfo                poolParams                      =
2861                 {
2862                         VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO,                  // sType
2863                         DE_NULL,                                                                                                // pNext
2864                         (VkDescriptorPoolCreateFlags)0,                                                 // flags
2865                         1u,                                                                                                             // maxSets
2866                         numResources,                                                                                   // poolSizeCount
2867                         poolSizes.data(),                                                                               // pPoolSizes
2868                 };
2869                 descriptorPool                                                                                          = createDescriptorPool(vk, *vkDevice, &poolParams);
2870
2871                 const VkDescriptorSetAllocateInfo               setAllocParams          =
2872                 {
2873                         VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO,                 // sType
2874                         DE_NULL,                                                                                                // pNext
2875                         *descriptorPool,                                                                                // descriptorPool
2876                         1u,                                                                                                             // descriptorSetCount
2877                         &rawSetLayout,                                                                                  // pSetLayouts
2878                 };
2879                 VK_CHECK(vk.allocateDescriptorSets(*vkDevice, &setAllocParams, &rawSet));
2880
2881                 // Update descriptor set.
2882                 vector<VkWriteDescriptorSet>                    writeSpecs;
2883                 vector<VkDescriptorBufferInfo>                  dBufferInfos;
2884                 vector<VkDescriptorImageInfo>                   dImageInfos;
2885
2886                 writeSpecs.reserve(numResources);
2887                 dBufferInfos.reserve(numResources);
2888                 dImageInfos.reserve(numResources);
2889
2890                 deUint32                                                                imgResourceNdx          = 0u;
2891                 deUint32                                                                bufResourceNdx          = 0u;
2892
2893                 for (deUint32 inputNdx = 0; inputNdx < numInResources; ++inputNdx)
2894                 {
2895                         const Resource& resource        = instance.resources.inputs[inputNdx];
2896
2897                         const bool              hasImage        = (resource.first == VK_DESCRIPTOR_TYPE_STORAGE_IMAGE)  ||
2898                                                                                   (resource.first == VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE)  ||
2899                                                                                   (resource.first == VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER);
2900
2901                         const bool              hasSampler      = (resource.first == VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE)  ||
2902                                                                                   (resource.first == VK_DESCRIPTOR_TYPE_SAMPLER)                ||
2903                                                                                   (resource.first == VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER);
2904
2905                         // Create image view and sampler
2906                         if (hasImage || hasSampler)
2907                         {
2908                                 if (resource.first != VK_DESCRIPTOR_TYPE_SAMPLER)
2909                                 {
2910                                         const VkImageViewCreateInfo     imgViewParams   =
2911                                         {
2912                                                 VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,                       //      VkStructureType                         sType;
2913                                                 DE_NULL,                                                                                        //      const void*                                     pNext;
2914                                                 0u,                                                                                                     //      VkImageViewCreateFlags          flags;
2915                                                 **inResourceImages[imgResourceNdx++],                           //      VkImage                                         image;
2916                                                 VK_IMAGE_VIEW_TYPE_2D,                                                          //      VkImageViewType                         viewType;
2917                                                 VK_FORMAT_R32G32B32A32_SFLOAT,                                          //      VkFormat                                        format;
2918                                                 {
2919                                                         VK_COMPONENT_SWIZZLE_R,
2920                                                         VK_COMPONENT_SWIZZLE_G,
2921                                                         VK_COMPONENT_SWIZZLE_B,
2922                                                         VK_COMPONENT_SWIZZLE_A
2923                                                 },                                                                                                      //      VkChannelMapping                        channels;
2924                                                 {
2925                                                         VK_IMAGE_ASPECT_COLOR_BIT,                                              //      VkImageAspectFlags      aspectMask;
2926                                                         0u,                                                                                             //      deUint32                        baseMipLevel;
2927                                                         1u,                                                                                             //      deUint32                        mipLevels;
2928                                                         0u,                                                                                             //      deUint32                        baseArrayLayer;
2929                                                         1u,                                                                                             //      deUint32                        arraySize;
2930                                                 },                                                                                                      //      VkImageSubresourceRange         subresourceRange;
2931                                         };
2932
2933                                         Move<VkImageView>                       imgView                 (createImageView(vk, *vkDevice, &imgViewParams));
2934                                         inResourceImageViews.push_back(ImageViewHandleSp(new ImageViewHandleUp(imgView)));
2935                                 }
2936
2937                                 if (hasSampler)
2938                                 {
2939                                         const VkSamplerCreateInfo       samplerParams   =
2940                                         {
2941                                                 VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO,          // VkStructureType                      sType;
2942                                                 DE_NULL,                                                                        // const void*                          pNext;
2943                                                 0,                                                                                      // VkSamplerCreateFlags         flags;
2944                                                 VK_FILTER_NEAREST,                                                      // VkFilter                                     magFilter:
2945                                                 VK_FILTER_NEAREST,                                                      // VkFilter                                     minFilter;
2946                                                 VK_SAMPLER_MIPMAP_MODE_NEAREST,                         // VkSamplerMipmapMode          mipmapMode;
2947                                                 VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,          // VkSamplerAddressMode         addressModeU;
2948                                                 VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,          // VkSamplerAddressMode         addressModeV;
2949                                                 VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,          // VkSamplerAddressMode         addressModeW;
2950                                                 0.0f,                                                                           // float                                        mipLodBias;
2951                                                 VK_FALSE,                                                                       // VkBool32                                     anistoropyÉnable;
2952                                                 1.0f,                                                                           // float                                        maxAnisotropy;
2953                                                 VK_FALSE,                                                                       // VkBool32                                     compareEnable;
2954                                                 VK_COMPARE_OP_ALWAYS,                                           // VkCompareOp                          compareOp;
2955                                                 0.0f,                                                                           // float                                        minLod;
2956                                                 0.0f,                                                                           // float                                        maxLod;
2957                                                 VK_BORDER_COLOR_INT_OPAQUE_BLACK,                       // VkBorderColor                        borderColor;
2958                                                 VK_FALSE                                                                        // VkBool32                                     unnormalizedCoordinates;
2959                                         };
2960
2961                                         Move<VkSampler>                         sampler                 (createSampler(vk, *vkDevice, &samplerParams));
2962                                         inResourceSamplers.push_back(SamplerHandleSp(new SamplerHandleUp(sampler)));
2963                                 }
2964                         }
2965
2966                         // Create descriptor buffer and image infos
2967                         switch (resource.first)
2968                         {
2969                                 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
2970                                 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
2971                                 {
2972                                         const VkDescriptorBufferInfo    bufInfo =
2973                                         {
2974                                                 **inResourceBuffers[bufResourceNdx++],                          // buffer
2975                                                 0,                                                                                                      // offset
2976                                                 VK_WHOLE_SIZE,                                                                          // size
2977                                         };
2978                                         dBufferInfos.push_back(bufInfo);
2979                                         break;
2980                                 }
2981                                 case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
2982                                 case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
2983                                 {
2984                                         const VkDescriptorImageInfo             imgInfo =
2985                                         {
2986                                                 DE_NULL,                                                                                                // sampler
2987                                                 **inResourceImageViews.back(),                                                  // imageView
2988                                                 VK_IMAGE_LAYOUT_GENERAL                                                                 // imageLayout
2989                                         };
2990                                         dImageInfos.push_back(imgInfo);
2991                                         break;
2992                                 }
2993                                 case VK_DESCRIPTOR_TYPE_SAMPLER:
2994                                 {
2995                                         const VkDescriptorImageInfo             imgInfo =
2996                                         {
2997                                                 **inResourceSamplers.back(),                                                    // sampler
2998                                                 DE_NULL,                                                                                                // imageView
2999                                                 VK_IMAGE_LAYOUT_GENERAL                                                                 // imageLayout
3000                                         };
3001                                         dImageInfos.push_back(imgInfo);
3002                                         break;
3003                                 }
3004                                 case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
3005                                 {
3006
3007                                         const VkDescriptorImageInfo             imgInfo =
3008                                         {
3009                                                 **inResourceSamplers.back(),                                                    // sampler
3010                                                 **inResourceImageViews.back(),                                                  // imageView
3011                                                 VK_IMAGE_LAYOUT_GENERAL                                                                 // imageLayout
3012                                         };
3013                                         dImageInfos.push_back(imgInfo);
3014                                         break;
3015                                 }
3016                                 default:
3017                                         DE_FATAL("Not implemented");
3018                         }
3019
3020                         const VkWriteDescriptorSet                      writeSpec                       = {
3021                                 VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,                                                 // sType
3022                                 DE_NULL,                                                                                                                // pNext
3023                                 rawSet,                                                                                                                 // dstSet
3024                                 inputNdx,                                                                                                               // binding
3025                                 0,                                                                                                                              // dstArrayElement
3026                                 1u,                                                                                                                             // descriptorCount
3027                                 instance.resources.inputs[inputNdx].first,                                              // descriptorType
3028                                 ( (hasImage | hasSampler)       ? &dImageInfos.back()   : DE_NULL),     // pImageInfo
3029                                 (!(hasImage | hasSampler)       ? &dBufferInfos.back()  : DE_NULL),     // pBufferInfo
3030                                 DE_NULL,                                                                                                                // pTexelBufferView
3031                         };
3032                         writeSpecs.push_back(writeSpec);
3033                 }
3034
3035                 for (deUint32 outputNdx = 0; outputNdx < numOutResources; ++outputNdx)
3036                 {
3037                         const VkDescriptorBufferInfo            bufInfo                         =
3038                         {
3039                                 **outResourceBuffers[outputNdx],                                        // buffer
3040                                 0,                                                                                                      // offset
3041                                 VK_WHOLE_SIZE,                                                                          // size
3042                         };
3043                         dBufferInfos.push_back(bufInfo);
3044
3045                         const VkWriteDescriptorSet                      writeSpec                       = {
3046                                 VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,                         // sType
3047                                 DE_NULL,                                                                                        // pNext
3048                                 rawSet,                                                                                         // dstSet
3049                                 numInResources + outputNdx,                                                     // binding
3050                                 0,                                                                                                      // dstArrayElement
3051                                 1u,                                                                                                     // descriptorCount
3052                                 instance.resources.outputs[outputNdx].first,            // descriptorType
3053                                 DE_NULL,                                                                                        // pImageInfo
3054                                 &dBufferInfos.back(),                                                           // pBufferInfo
3055                                 DE_NULL,                                                                                        // pTexelBufferView
3056                         };
3057                         writeSpecs.push_back(writeSpec);
3058                 }
3059                 vk.updateDescriptorSets(*vkDevice, numResources, writeSpecs.data(), 0, DE_NULL);
3060         }
3061
3062         // Pipeline layout
3063         VkPipelineLayoutCreateInfo                              pipelineLayoutParams    =
3064         {
3065                 VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,                  //      VkStructureType                                 sType;
3066                 DE_NULL,                                                                                                //      const void*                                             pNext;
3067                 (VkPipelineLayoutCreateFlags)0,
3068                 0u,                                                                                                             //      deUint32                                                descriptorSetCount;
3069                 DE_NULL,                                                                                                //      const VkDescriptorSetLayout*    pSetLayouts;
3070                 0u,                                                                                                             //      deUint32                                                pushConstantRangeCount;
3071                 DE_NULL,                                                                                                //      const VkPushConstantRange*              pPushConstantRanges;
3072         };
3073
3074         VkPushConstantRange                                             pushConstantRange               =
3075         {
3076                 VK_SHADER_STAGE_ALL_GRAPHICS,                                                   // VkShaderStageFlags    stageFlags;
3077                 0,                                                                                                              // uint32_t              offset;
3078                 0,                                                                                                              // uint32_t              size;
3079         };
3080         if (hasPushConstants)
3081         {
3082                 vector<deUint8> pushConstantsBytes;
3083                 instance.pushConstants.getBuffer()->getBytes(pushConstantsBytes);
3084
3085                 pushConstantRange.size                                          = static_cast<deUint32>(pushConstantsBytes.size());
3086                 pipelineLayoutParams.pushConstantRangeCount     = 1;
3087                 pipelineLayoutParams.pPushConstantRanges        = &pushConstantRange;
3088         }
3089         if (numResources != 0)
3090         {
3091                 // Update pipeline layout with the descriptor set layout.
3092                 pipelineLayoutParams.setLayoutCount                                                             = 1;
3093                 pipelineLayoutParams.pSetLayouts                                                                = &rawSetLayout;
3094         }
3095         const Unique<VkPipelineLayout>                  pipelineLayout                  (createPipelineLayout(vk, *vkDevice, &pipelineLayoutParams));
3096
3097         // Pipeline
3098         vector<VkPipelineShaderStageCreateInfo>         shaderStageParams;
3099         // We need these vectors to make sure that information about specialization constants for each stage can outlive createGraphicsPipeline().
3100         vector<vector<VkSpecializationMapEntry> >       specConstantEntries;
3101         vector<VkSpecializationInfo>                            specializationInfos;
3102         createPipelineShaderStages(vk, *vkDevice, instance, context, modules, shaderStageParams);
3103
3104         // And we don't want the reallocation of these vectors to invalidate pointers pointing to their contents.
3105         specConstantEntries.reserve(shaderStageParams.size());
3106         specializationInfos.reserve(shaderStageParams.size());
3107
3108         // Patch the specialization info field in PipelineShaderStageCreateInfos.
3109         for (vector<VkPipelineShaderStageCreateInfo>::iterator stageInfo = shaderStageParams.begin(); stageInfo != shaderStageParams.end(); ++stageInfo)
3110         {
3111                 const StageToSpecConstantMap::const_iterator stageIt = instance.specConstants.find(stageInfo->stage);
3112
3113                 if (stageIt != instance.specConstants.end())
3114                 {
3115                         const size_t                                            numSpecConstants        = stageIt->second.size();
3116                         vector<VkSpecializationMapEntry>        entries;
3117                         VkSpecializationInfo                            specInfo;
3118
3119                         entries.resize(numSpecConstants);
3120
3121                         // Only support 32-bit integers as spec constants now. And their constant IDs are numbered sequentially starting from 0.
3122                         for (size_t ndx = 0; ndx < numSpecConstants; ++ndx)
3123                         {
3124                                 entries[ndx].constantID = (deUint32)ndx;
3125                                 entries[ndx].offset             = deUint32(ndx * sizeof(deInt32));
3126                                 entries[ndx].size               = sizeof(deInt32);
3127                         }
3128
3129                         specConstantEntries.push_back(entries);
3130
3131                         specInfo.mapEntryCount  = (deUint32)numSpecConstants;
3132                         specInfo.pMapEntries    = specConstantEntries.back().data();
3133                         specInfo.dataSize               = numSpecConstants * sizeof(deInt32);
3134                         specInfo.pData                  = stageIt->second.data();
3135                         specializationInfos.push_back(specInfo);
3136
3137                         stageInfo->pSpecializationInfo = &specializationInfos.back();
3138                 }
3139         }
3140         const VkPipelineDepthStencilStateCreateInfo     depthStencilParams              =
3141         {
3142                 VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO,     //      VkStructureType         sType;
3143                 DE_NULL,                                                                                                        //      const void*                     pNext;
3144                 (VkPipelineDepthStencilStateCreateFlags)0,
3145                 DE_FALSE,                                                                                                       //      deUint32                        depthTestEnable;
3146                 DE_FALSE,                                                                                                       //      deUint32                        depthWriteEnable;
3147                 VK_COMPARE_OP_ALWAYS,                                                                           //      VkCompareOp                     depthCompareOp;
3148                 DE_FALSE,                                                                                                       //      deUint32                        depthBoundsTestEnable;
3149                 DE_FALSE,                                                                                                       //      deUint32                        stencilTestEnable;
3150                 {
3151                         VK_STENCIL_OP_KEEP,                                                                                     //      VkStencilOp     stencilFailOp;
3152                         VK_STENCIL_OP_KEEP,                                                                                     //      VkStencilOp     stencilPassOp;
3153                         VK_STENCIL_OP_KEEP,                                                                                     //      VkStencilOp     stencilDepthFailOp;
3154                         VK_COMPARE_OP_ALWAYS,                                                                           //      VkCompareOp     stencilCompareOp;
3155                         0u,                                                                                                                     //      deUint32        stencilCompareMask;
3156                         0u,                                                                                                                     //      deUint32        stencilWriteMask;
3157                         0u,                                                                                                                     //      deUint32        stencilReference;
3158                 },                                                                                                                      //      VkStencilOpState        front;
3159                 {
3160                         VK_STENCIL_OP_KEEP,                                                                                     //      VkStencilOp     stencilFailOp;
3161                         VK_STENCIL_OP_KEEP,                                                                                     //      VkStencilOp     stencilPassOp;
3162                         VK_STENCIL_OP_KEEP,                                                                                     //      VkStencilOp     stencilDepthFailOp;
3163                         VK_COMPARE_OP_ALWAYS,                                                                           //      VkCompareOp     stencilCompareOp;
3164                         0u,                                                                                                                     //      deUint32        stencilCompareMask;
3165                         0u,                                                                                                                     //      deUint32        stencilWriteMask;
3166                         0u,                                                                                                                     //      deUint32        stencilReference;
3167                 },                                                                                                                      //      VkStencilOpState        back;
3168                 -1.0f,                                                                                                          //      float                           minDepthBounds;
3169                 +1.0f,                                                                                                          //      float                           maxDepthBounds;
3170         };
3171         const VkViewport                                                viewport0                               =
3172         {
3173                 0.0f,                                                                                                           //      float   originX;
3174                 0.0f,                                                                                                           //      float   originY;
3175                 (float)renderSize.x(),                                                                          //      float   width;
3176                 (float)renderSize.y(),                                                                          //      float   height;
3177                 0.0f,                                                                                                           //      float   minDepth;
3178                 1.0f,                                                                                                           //      float   maxDepth;
3179         };
3180         const VkRect2D                                                  scissor0                                =
3181         {
3182                 {
3183                         0u,                                                                                                                     //      deInt32 x;
3184                         0u,                                                                                                                     //      deInt32 y;
3185                 },                                                                                                                      //      VkOffset2D      offset;
3186                 {
3187                         renderSize.x(),                                                                                         //      deInt32 width;
3188                         renderSize.y(),                                                                                         //      deInt32 height;
3189                 },                                                                                                                      //      VkExtent2D      extent;
3190         };
3191         const VkPipelineViewportStateCreateInfo         viewportParams                  =
3192         {
3193                 VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,          //      VkStructureType         sType;
3194                 DE_NULL,                                                                                                        //      const void*                     pNext;
3195                 (VkPipelineViewportStateCreateFlags)0,
3196                 1u,                                                                                                                     //      deUint32                        viewportCount;
3197                 &viewport0,
3198                 1u,
3199                 &scissor0
3200         };
3201         const VkSampleMask                                                      sampleMask                              = ~0u;
3202         const VkPipelineMultisampleStateCreateInfo      multisampleParams               =
3203         {
3204                 VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,       //      VkStructureType                 sType;
3205                 DE_NULL,                                                                                                        //      const void*                             pNext;
3206                 (VkPipelineMultisampleStateCreateFlags)0,
3207                 VK_SAMPLE_COUNT_1_BIT,                                                                          //      VkSampleCountFlagBits   rasterSamples;
3208                 DE_FALSE,                                                                                                       //      deUint32                                sampleShadingEnable;
3209                 0.0f,                                                                                                           //      float                                   minSampleShading;
3210                 &sampleMask,                                                                                            //      const VkSampleMask*             pSampleMask;
3211                 DE_FALSE,                                                                                                       //      VkBool32                                alphaToCoverageEnable;
3212                 DE_FALSE,                                                                                                       //      VkBool32                                alphaToOneEnable;
3213         };
3214         const VkPipelineRasterizationStateCreateInfo    rasterParams            =
3215         {
3216                 VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,     //      VkStructureType sType;
3217                 DE_NULL,                                                                                                        //      const void*             pNext;
3218                 (VkPipelineRasterizationStateCreateFlags)0,
3219                 DE_TRUE,                                                                                                        //      deUint32                depthClipEnable;
3220                 DE_FALSE,                                                                                                       //      deUint32                rasterizerDiscardEnable;
3221                 VK_POLYGON_MODE_FILL,                                                                           //      VkFillMode              fillMode;
3222                 VK_CULL_MODE_NONE,                                                                                      //      VkCullMode              cullMode;
3223                 VK_FRONT_FACE_COUNTER_CLOCKWISE,                                                        //      VkFrontFace             frontFace;
3224                 VK_FALSE,                                                                                                       //      VkBool32                depthBiasEnable;
3225                 0.0f,                                                                                                           //      float                   depthBias;
3226                 0.0f,                                                                                                           //      float                   depthBiasClamp;
3227                 0.0f,                                                                                                           //      float                   slopeScaledDepthBias;
3228                 1.0f,                                                                                                           //      float                   lineWidth;
3229         };
3230         const VkPrimitiveTopology topology = hasTessellation? VK_PRIMITIVE_TOPOLOGY_PATCH_LIST: VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
3231         const VkPipelineInputAssemblyStateCreateInfo    inputAssemblyParams     =
3232         {
3233                 VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,    //      VkStructureType         sType;
3234                 DE_NULL,                                                                                                                //      const void*                     pNext;
3235                 (VkPipelineInputAssemblyStateCreateFlags)0,
3236                 topology,                                                                                                               //      VkPrimitiveTopology     topology;
3237                 DE_FALSE,                                                                                                               //      deUint32                        primitiveRestartEnable;
3238         };
3239
3240         vector<VkVertexInputBindingDescription>         vertexBindings;
3241         vector<VkVertexInputAttributeDescription>       vertexAttribs;
3242
3243         const VkVertexInputBindingDescription           vertexBinding0                  =
3244         {
3245                 0u,                                                                     // deUint32                                     binding;
3246                 deUint32(singleVertexDataSize),         // deUint32                                     strideInBytes;
3247                 VK_VERTEX_INPUT_RATE_VERTEX                     // VkVertexInputStepRate        stepRate;
3248         };
3249         vertexBindings.push_back(vertexBinding0);
3250
3251         {
3252                 VkVertexInputAttributeDescription               attr0                                   =
3253                 {
3254                         0u,                                                                     // deUint32     location;
3255                         0u,                                                                     // deUint32     binding;
3256                         VK_FORMAT_R32G32B32A32_SFLOAT,          // VkFormat     format;
3257                         0u                                                                      // deUint32     offsetInBytes;
3258                 };
3259                 vertexAttribs.push_back(attr0);
3260
3261                 VkVertexInputAttributeDescription               attr1                                   =
3262                 {
3263                         1u,                                                                     // deUint32     location;
3264                         0u,                                                                     // deUint32     binding;
3265                         VK_FORMAT_R32G32B32A32_SFLOAT,          // VkFormat     format;
3266                         sizeof(Vec4),                                           // deUint32     offsetInBytes;
3267                 };
3268                 vertexAttribs.push_back(attr1);
3269         };
3270
3271         // If the test instantiation has additional input/output interface variables, we need to create additional bindings.
3272         // Right now we only support one additional input varible for the vertex stage, and that will be bound to binding #1
3273         // with location #2.
3274         if (needInterface)
3275         {
3276                 const VkVertexInputBindingDescription   vertexBinding1                  =
3277                 {
3278                         1u,                                                                                                     // deUint32                                     binding;
3279                         instance.interfaces.getInputType().getNumBytes(),       // deUint32                                     strideInBytes;
3280                         VK_VERTEX_INPUT_RATE_VERTEX                                                     // VkVertexInputStepRate        stepRate;
3281                 };
3282                 vertexBindings.push_back(vertexBinding1);
3283
3284                 VkVertexInputAttributeDescription               attr                                    =
3285                 {
3286                         2u,                                                                                                     // deUint32     location;
3287                         1u,                                                                                                     // deUint32     binding;
3288                         instance.interfaces.getInputType().getVkFormat(),       // VkFormat     format;
3289                         0,                                                                                                      // deUint32     offsetInBytes;
3290                 };
3291                 vertexAttribs.push_back(attr);
3292         }
3293
3294         VkPipelineVertexInputStateCreateInfo            vertexInputStateParams  =
3295         {
3296                 VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,      //      VkStructureType                                                         sType;
3297                 DE_NULL,                                                                                                        //      const void*                                                                     pNext;
3298                 (VkPipelineVertexInputStateCreateFlags)0,
3299                 1u,                                                                                                                     //      deUint32                                                                        bindingCount;
3300                 vertexBindings.data(),                                                                          //      const VkVertexInputBindingDescription*          pVertexBindingDescriptions;
3301                 2u,                                                                                                                     //      deUint32                                                                        attributeCount;
3302                 vertexAttribs.data(),                                                                           //      const VkVertexInputAttributeDescription*        pVertexAttributeDescriptions;
3303         };
3304
3305         if (needInterface)
3306         {
3307                 vertexInputStateParams.vertexBindingDescriptionCount += 1;
3308                 vertexInputStateParams.vertexAttributeDescriptionCount += 1;
3309         }
3310
3311         vector<VkPipelineColorBlendAttachmentState>     attBlendStates;
3312         const VkPipelineColorBlendAttachmentState       attBlendState                   =
3313         {
3314                 DE_FALSE,                                                                                                       //      deUint32                blendEnable;
3315                 VK_BLEND_FACTOR_ONE,                                                                            //      VkBlend                 srcBlendColor;
3316                 VK_BLEND_FACTOR_ZERO,                                                                           //      VkBlend                 destBlendColor;
3317                 VK_BLEND_OP_ADD,                                                                                        //      VkBlendOp               blendOpColor;
3318                 VK_BLEND_FACTOR_ONE,                                                                            //      VkBlend                 srcBlendAlpha;
3319                 VK_BLEND_FACTOR_ZERO,                                                                           //      VkBlend                 destBlendAlpha;
3320                 VK_BLEND_OP_ADD,                                                                                        //      VkBlendOp               blendOpAlpha;
3321                 (VK_COLOR_COMPONENT_R_BIT|
3322                  VK_COLOR_COMPONENT_G_BIT|
3323                  VK_COLOR_COMPONENT_B_BIT|
3324                  VK_COLOR_COMPONENT_A_BIT),                                                                     //      VkChannelFlags  channelWriteMask;
3325         };
3326         attBlendStates.push_back(attBlendState);
3327
3328         if (needInterface)
3329                 attBlendStates.push_back(attBlendState);
3330
3331         VkPipelineColorBlendStateCreateInfo             blendParams                             =
3332         {
3333                 VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,       //      VkStructureType                                                         sType;
3334                 DE_NULL,                                                                                                        //      const void*                                                                     pNext;
3335                 (VkPipelineColorBlendStateCreateFlags)0,
3336                 DE_FALSE,                                                                                                       //      VkBool32                                                                        logicOpEnable;
3337                 VK_LOGIC_OP_COPY,                                                                                       //      VkLogicOp                                                                       logicOp;
3338                 1u,                                                                                                                     //      deUint32                                                                        attachmentCount;
3339                 attBlendStates.data(),                                                                          //      const VkPipelineColorBlendAttachmentState*      pAttachments;
3340                 { 0.0f, 0.0f, 0.0f, 0.0f },                                                                     //      float                                                                           blendConst[4];
3341         };
3342         if (needInterface)
3343         {
3344                 blendParams.attachmentCount += 1;
3345         }
3346         const VkPipelineTessellationStateCreateInfo     tessellationState       =
3347         {
3348                 VK_STRUCTURE_TYPE_PIPELINE_TESSELLATION_STATE_CREATE_INFO,
3349                 DE_NULL,
3350                 (VkPipelineTessellationStateCreateFlags)0,
3351                 3u
3352         };
3353
3354         const VkPipelineTessellationStateCreateInfo* tessellationInfo   =       hasTessellation ? &tessellationState: DE_NULL;
3355         const VkGraphicsPipelineCreateInfo              pipelineParams                  =
3356         {
3357                 VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,                //      VkStructureType                                                                 sType;
3358                 DE_NULL,                                                                                                //      const void*                                                                             pNext;
3359                 0u,                                                                                                             //      VkPipelineCreateFlags                                                   flags;
3360                 (deUint32)shaderStageParams.size(),                                             //      deUint32                                                                                stageCount;
3361                 &shaderStageParams[0],                                                                  //      const VkPipelineShaderStageCreateInfo*                  pStages;
3362                 &vertexInputStateParams,                                                                //      const VkPipelineVertexInputStateCreateInfo*             pVertexInputState;
3363                 &inputAssemblyParams,                                                                   //      const VkPipelineInputAssemblyStateCreateInfo*   pInputAssemblyState;
3364                 tessellationInfo,                                                                               //      const VkPipelineTessellationStateCreateInfo*    pTessellationState;
3365                 &viewportParams,                                                                                //      const VkPipelineViewportStateCreateInfo*                pViewportState;
3366                 &rasterParams,                                                                                  //      const VkPipelineRasterStateCreateInfo*                  pRasterState;
3367                 &multisampleParams,                                                                             //      const VkPipelineMultisampleStateCreateInfo*             pMultisampleState;
3368                 &depthStencilParams,                                                                    //      const VkPipelineDepthStencilStateCreateInfo*    pDepthStencilState;
3369                 &blendParams,                                                                                   //      const VkPipelineColorBlendStateCreateInfo*              pColorBlendState;
3370                 (const VkPipelineDynamicStateCreateInfo*)DE_NULL,               //      const VkPipelineDynamicStateCreateInfo*                 pDynamicState;
3371                 *pipelineLayout,                                                                                //      VkPipelineLayout                                                                layout;
3372                 *renderPass,                                                                                    //      VkRenderPass                                                                    renderPass;
3373                 0u,                                                                                                             //      deUint32                                                                                subpass;
3374                 DE_NULL,                                                                                                //      VkPipeline                                                                              basePipelineHandle;
3375                 0u,                                                                                                             //      deInt32                                                                                 basePipelineIndex;
3376         };
3377
3378         const Unique<VkPipeline>                                pipeline                                (createGraphicsPipeline(vk, *vkDevice, DE_NULL, &pipelineParams));
3379
3380         if (needInterface)
3381         {
3382                 const VkImageViewCreateInfo                     fragOutputViewParams    =
3383                 {
3384                         VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,                       //      VkStructureType                         sType;
3385                         DE_NULL,                                                                                        //      const void*                                     pNext;
3386                         0u,                                                                                                     //      VkImageViewCreateFlags          flags;
3387                         *fragOutputImage,                                                                       //      VkImage                                         image;
3388                         VK_IMAGE_VIEW_TYPE_2D,                                                          //      VkImageViewType                         viewType;
3389                         instance.interfaces.getOutputType().getVkFormat(),      //      VkFormat                                        format;
3390                         {
3391                                 VK_COMPONENT_SWIZZLE_R,
3392                                 VK_COMPONENT_SWIZZLE_G,
3393                                 VK_COMPONENT_SWIZZLE_B,
3394                                 VK_COMPONENT_SWIZZLE_A
3395                         },                                                                                                      //      VkChannelMapping                        channels;
3396                         {
3397                                 VK_IMAGE_ASPECT_COLOR_BIT,                                              //      VkImageAspectFlags      aspectMask;
3398                                 0u,                                                                                             //      deUint32                        baseMipLevel;
3399                                 1u,                                                                                             //      deUint32                        mipLevels;
3400                                 0u,                                                                                             //      deUint32                        baseArrayLayer;
3401                                 1u,                                                                                             //      deUint32                        arraySize;
3402                         },                                                                                                      //      VkImageSubresourceRange         subresourceRange;
3403                 };
3404                 fragOutputImageView = createImageView(vk, *vkDevice, &fragOutputViewParams);
3405                 attViews.push_back(*fragOutputImageView);
3406         }
3407
3408         // Framebuffer
3409         VkFramebufferCreateInfo                                 framebufferParams               =
3410         {
3411                 VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,                              //      VkStructureType         sType;
3412                 DE_NULL,                                                                                                //      const void*                     pNext;
3413                 (VkFramebufferCreateFlags)0,
3414                 *renderPass,                                                                                    //      VkRenderPass            renderPass;
3415                 1u,                                                                                                             //      deUint32                        attachmentCount;
3416                 attViews.data(),                                                                                //      const VkImageView*      pAttachments;
3417                 (deUint32)renderSize.x(),                                                               //      deUint32                        width;
3418                 (deUint32)renderSize.y(),                                                               //      deUint32                        height;
3419                 1u,                                                                                                             //      deUint32                        layers;
3420         };
3421
3422         if (needInterface)
3423                 framebufferParams.attachmentCount += 1;
3424
3425         const Unique<VkFramebuffer>                             framebuffer                             (createFramebuffer(vk, *vkDevice, &framebufferParams));
3426
3427         const VkCommandBufferBeginInfo                  cmdBufBeginParams               =
3428         {
3429                 VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,                    //      VkStructureType                         sType;
3430                 DE_NULL,                                                                                                //      const void*                                     pNext;
3431                 (VkCommandBufferUsageFlags)0,
3432                 (const VkCommandBufferInheritanceInfo*)DE_NULL,
3433         };
3434
3435         // Record commands
3436         VK_CHECK(vk.beginCommandBuffer(*cmdBuf, &cmdBufBeginParams));
3437
3438         {
3439                 const VkMemoryBarrier                   vertFlushBarrier        =
3440                 {
3441                         VK_STRUCTURE_TYPE_MEMORY_BARRIER,                       //      VkStructureType         sType;
3442                         DE_NULL,                                                                        //      const void*                     pNext;
3443                         VK_ACCESS_HOST_WRITE_BIT,                                       //      VkMemoryOutputFlags     outputMask;
3444                         VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT,            //      VkMemoryInputFlags      inputMask;
3445                 };
3446                 vector<VkImageMemoryBarrier>    colorAttBarriers;
3447
3448                 VkImageMemoryBarrier                    imgBarrier          =
3449                 {
3450                         VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,         //      VkStructureType                 sType;
3451                         DE_NULL,                                                                        //      const void*                             pNext;
3452                         0u,                                                                                     //      VkMemoryOutputFlags             outputMask;
3453                         VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,           //      VkMemoryInputFlags              inputMask;
3454                         VK_IMAGE_LAYOUT_UNDEFINED,                                      //      VkImageLayout                   oldLayout;
3455                         VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,       //      VkImageLayout                   newLayout;
3456                         queueFamilyIndex,                                                       //      deUint32                                srcQueueFamilyIndex;
3457                         queueFamilyIndex,                                                       //      deUint32                                destQueueFamilyIndex;
3458                         *image,                                                                         //      VkImage                                 image;
3459                         {
3460                                 VK_IMAGE_ASPECT_COLOR_BIT,                                      //      VkImageAspect   aspect;
3461                                 0u,                                                                                     //      deUint32                baseMipLevel;
3462                                 1u,                                                                                     //      deUint32                mipLevels;
3463                                 0u,                                                                                     //      deUint32                baseArraySlice;
3464                                 1u,                                                                                     //      deUint32                arraySize;
3465                         }                                                                                       //      VkImageSubresourceRange subresourceRange;
3466                 };
3467                 colorAttBarriers.push_back(imgBarrier);
3468                 if (needInterface)
3469                 {
3470                         imgBarrier.image = *fragOutputImage;
3471                         colorAttBarriers.push_back(imgBarrier);
3472                         vk.cmdPipelineBarrier(*cmdBuf, VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT, (VkDependencyFlags)0, 1, &vertFlushBarrier, 0, (const VkBufferMemoryBarrier*)DE_NULL, 2, colorAttBarriers.data());
3473                 }
3474                 else
3475                 {
3476                         vk.cmdPipelineBarrier(*cmdBuf, VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT, (VkDependencyFlags)0, 1, &vertFlushBarrier, 0, (const VkBufferMemoryBarrier*)DE_NULL, 1, colorAttBarriers.data());
3477                 }
3478         }
3479
3480         {
3481                 vector<VkClearValue>                    clearValue;
3482                 clearValue.push_back(makeClearValueColorF32(0.125f, 0.25f, 0.75f, 1.0f));
3483                 if (needInterface)
3484                 {
3485                         clearValue.push_back(makeClearValueColorU32(0, 0, 0, 0));
3486                 }
3487                 VkRenderPassBeginInfo                   passBeginParams =
3488                 {
3489                         VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,                       //      VkStructureType         sType;
3490                         DE_NULL,                                                                                        //      const void*                     pNext;
3491                         *renderPass,                                                                            //      VkRenderPass            renderPass;
3492                         *framebuffer,                                                                           //      VkFramebuffer           framebuffer;
3493                         { { 0, 0 }, { renderSize.x(), renderSize.y() } },       //      VkRect2D                        renderArea;
3494                         1u,                                                                                                     //      deUint32                        clearValueCount;
3495                         clearValue.data(),                                                                      //      const VkClearValue*     pClearValues;
3496                 };
3497                 if (needInterface)
3498                 {
3499                         passBeginParams.clearValueCount += 1;
3500                 }
3501                 vk.cmdBeginRenderPass(*cmdBuf, &passBeginParams, VK_SUBPASS_CONTENTS_INLINE);
3502         }
3503
3504         vk.cmdBindPipeline(*cmdBuf, VK_PIPELINE_BIND_POINT_GRAPHICS, *pipeline);
3505         {
3506                 const VkDeviceSize bindingOffset = 0;
3507                 vk.cmdBindVertexBuffers(*cmdBuf, 0u, 1u, &vertexBuffer.get(), &bindingOffset);
3508         }
3509         if (needInterface)
3510         {
3511                 const VkDeviceSize bindingOffset = 0;
3512                 vk.cmdBindVertexBuffers(*cmdBuf, 1u, 1u, &vertexInputBuffer.get(), &bindingOffset);
3513         }
3514         if (hasPushConstants)
3515         {
3516                 vector<deUint8> pushConstantsBytes;
3517                 instance.pushConstants.getBuffer()->getBytes(pushConstantsBytes);
3518
3519                 const deUint32  size    = static_cast<deUint32>(pushConstantsBytes.size());
3520                 const void*             data    = &pushConstantsBytes.front();
3521
3522                 vk.cmdPushConstants(*cmdBuf, *pipelineLayout, VK_SHADER_STAGE_ALL_GRAPHICS, 0, size, data);
3523         }
3524         if (numResources != 0)
3525         {
3526                 // Bind to set number 0.
3527                 vk.cmdBindDescriptorSets(*cmdBuf, VK_PIPELINE_BIND_POINT_GRAPHICS, *pipelineLayout, 0, 1, &rawSet, 0, DE_NULL);
3528         }
3529         vk.cmdDraw(*cmdBuf, deUint32(vertexCount), 1u /*run pipeline once*/, 0u /*first vertex*/, 0u /*first instanceIndex*/);
3530         vk.cmdEndRenderPass(*cmdBuf);
3531
3532         {
3533                 vector<VkImageMemoryBarrier>    renderFinishBarrier;
3534                 VkImageMemoryBarrier                    imgBarrier                              =
3535                 {
3536                         VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,         //      VkStructureType                 sType;
3537                         DE_NULL,                                                                        //      const void*                             pNext;
3538                         VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,           //      VkMemoryOutputFlags             outputMask;
3539                         VK_ACCESS_TRANSFER_READ_BIT,                            //      VkMemoryInputFlags              inputMask;
3540                         VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,       //      VkImageLayout                   oldLayout;
3541                         VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,           //      VkImageLayout                   newLayout;
3542                         queueFamilyIndex,                                                       //      deUint32                                srcQueueFamilyIndex;
3543                         queueFamilyIndex,                                                       //      deUint32                                destQueueFamilyIndex;
3544                         *image,                                                                         //      VkImage                                 image;
3545                         {
3546                                 VK_IMAGE_ASPECT_COLOR_BIT,                                      //      VkImageAspectFlags      aspectMask;
3547                                 0u,                                                                                     //      deUint32                        baseMipLevel;
3548                                 1u,                                                                                     //      deUint32                        mipLevels;
3549                                 0u,                                                                                     //      deUint32                        baseArraySlice;
3550                                 1u,                                                                                     //      deUint32                        arraySize;
3551                         }                                                                                       //      VkImageSubresourceRange subresourceRange;
3552                 };
3553                 renderFinishBarrier.push_back(imgBarrier);
3554
3555                 if (needInterface)
3556                 {
3557                         imgBarrier.image = *fragOutputImage;
3558                         renderFinishBarrier.push_back(imgBarrier);
3559                         vk.cmdPipelineBarrier(*cmdBuf, VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, (VkDependencyFlags)0, 0, (const VkMemoryBarrier*)DE_NULL, 0, (const VkBufferMemoryBarrier*)DE_NULL, 2, renderFinishBarrier.data());
3560                 }
3561                 else
3562                 {
3563                         vk.cmdPipelineBarrier(*cmdBuf, VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, (VkDependencyFlags)0, 0, (const VkMemoryBarrier*)DE_NULL, 0, (const VkBufferMemoryBarrier*)DE_NULL, 1, renderFinishBarrier.data());
3564                 }
3565         }
3566
3567         {
3568                 const VkBufferImageCopy copyParams      =
3569                 {
3570                         (VkDeviceSize)0u,                                               //      VkDeviceSize                    bufferOffset;
3571                         (deUint32)renderSize.x(),                               //      deUint32                                bufferRowLength;
3572                         (deUint32)renderSize.y(),                               //      deUint32                                bufferImageHeight;
3573                         {
3574                                 VK_IMAGE_ASPECT_COLOR_BIT,                              //      VkImageAspect           aspect;
3575                                 0u,                                                                             //      deUint32                        mipLevel;
3576                                 0u,                                                                             //      deUint32                        arrayLayer;
3577                                 1u,                                                                             //      deUint32                        arraySize;
3578                         },                                                                              //      VkImageSubresourceCopy  imageSubresource;
3579                         { 0u, 0u, 0u },                                                 //      VkOffset3D                              imageOffset;
3580                         { renderSize.x(), renderSize.y(), 1u }  //      VkExtent3D                              imageExtent;
3581                 };
3582                 vk.cmdCopyImageToBuffer(*cmdBuf, *image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, *readImageBuffer, 1u, &copyParams);
3583
3584                 if (needInterface)
3585                 {
3586                         vk.cmdCopyImageToBuffer(*cmdBuf, *fragOutputImage, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, *fragOutputBuffer, 1u, &copyParams);
3587                 }
3588         }
3589
3590         {
3591                 vector<VkBufferMemoryBarrier> cpFinishBarriers;
3592                 VkBufferMemoryBarrier                   copyFinishBarrier       =
3593                 {
3594                         VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,        //      VkStructureType         sType;
3595                         DE_NULL,                                                                        //      const void*                     pNext;
3596                         VK_ACCESS_TRANSFER_WRITE_BIT,                           //      VkMemoryOutputFlags     outputMask;
3597                         VK_ACCESS_HOST_READ_BIT,                                        //      VkMemoryInputFlags      inputMask;
3598                         queueFamilyIndex,                                                       //      deUint32                        srcQueueFamilyIndex;
3599                         queueFamilyIndex,                                                       //      deUint32                        destQueueFamilyIndex;
3600                         *readImageBuffer,                                                       //      VkBuffer                        buffer;
3601                         0u,                                                                                     //      VkDeviceSize            offset;
3602                         imageSizeBytes                                                          //      VkDeviceSize            size;
3603                 };
3604                 cpFinishBarriers.push_back(copyFinishBarrier);
3605
3606                 if (needInterface)
3607                 {
3608                         copyFinishBarrier.buffer        = *fragOutputBuffer;
3609                         copyFinishBarrier.size          = VK_WHOLE_SIZE;
3610                         cpFinishBarriers.push_back(copyFinishBarrier);
3611
3612                         vk.cmdPipelineBarrier(*cmdBuf, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_HOST_BIT, (VkDependencyFlags)0, 0, (const VkMemoryBarrier*)DE_NULL, 2, cpFinishBarriers.data(), 0, (const VkImageMemoryBarrier*)DE_NULL);
3613                 }
3614                 else
3615                 {
3616                         vk.cmdPipelineBarrier(*cmdBuf, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_HOST_BIT, (VkDependencyFlags)0, 0, (const VkMemoryBarrier*)DE_NULL, 1, cpFinishBarriers.data(), 0, (const VkImageMemoryBarrier*)DE_NULL);
3617                 }
3618         }
3619
3620         VK_CHECK(vk.endCommandBuffer(*cmdBuf));
3621
3622         // Upload vertex data
3623         {
3624                 const VkMappedMemoryRange       range                   =
3625                 {
3626                         VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE,  //      VkStructureType sType;
3627                         DE_NULL,                                                                //      const void*             pNext;
3628                         vertexBufferMemory->getMemory(),                //      VkDeviceMemory  mem;
3629                         0,                                                                              //      VkDeviceSize    offset;
3630                         (VkDeviceSize)sizeof(vertexData),               //      VkDeviceSize    size;
3631                 };
3632                 void*                                           vertexBufPtr    = vertexBufferMemory->getHostPtr();
3633
3634                 deMemcpy(vertexBufPtr, &vertexData[0], sizeof(vertexData));
3635                 VK_CHECK(vk.flushMappedMemoryRanges(*vkDevice, 1u, &range));
3636         }
3637
3638         if (needInterface)
3639         {
3640                 vector<deUint8> inputBufferBytes;
3641                 instance.interfaces.getInputBuffer()->getBytes(inputBufferBytes);
3642
3643                 const deUint32                          typNumBytes             = instance.interfaces.getInputType().getNumBytes();
3644                 const deUint32                          bufNumBytes             = static_cast<deUint32>(inputBufferBytes.size());
3645
3646                 // Require that the test instantation provides four output values.
3647                 DE_ASSERT(bufNumBytes == 4 * typNumBytes);
3648
3649                 // We have four triangles. Because interpolation happens before executing the fragment shader,
3650                 // we need to provide the same vertex attribute for the same triangle. That means, duplicate each
3651                 // value three times for all four values.
3652
3653                 const deUint8*                          provided                = static_cast<const deUint8*>(&inputBufferBytes.front());
3654                 vector<deUint8>                         data;
3655
3656                 data.reserve(3 * bufNumBytes);
3657
3658                 for (deUint32 offset = 0; offset < bufNumBytes; offset += typNumBytes)
3659                         for (deUint32 vertexNdx = 0; vertexNdx < 3; ++vertexNdx)
3660                                 for (deUint32 byteNdx = 0; byteNdx < typNumBytes; ++byteNdx)
3661                                         data.push_back(provided[offset + byteNdx]);
3662
3663                 deMemcpy(vertexInputMemory->getHostPtr(), data.data(), data.size());
3664
3665                 const VkMappedMemoryRange       range                   =
3666                 {
3667                         VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE,  //      VkStructureType sType;
3668                         DE_NULL,                                                                //      const void*             pNext;
3669                         vertexInputMemory->getMemory(),                 //      VkDeviceMemory  mem;
3670                         0,                                                                              //      VkDeviceSize    offset;
3671                         VK_WHOLE_SIZE,                                                  //      VkDeviceSize    size;
3672                 };
3673
3674                 VK_CHECK(vk.flushMappedMemoryRanges(*vkDevice, 1u, &range));
3675         }
3676
3677         // Submit & wait for completion
3678         {
3679                 const VkFenceCreateInfo fenceParams     =
3680                 {
3681                         VK_STRUCTURE_TYPE_FENCE_CREATE_INFO,    //      VkStructureType         sType;
3682                         DE_NULL,                                                                //      const void*                     pNext;
3683                         0u,                                                                             //      VkFenceCreateFlags      flags;
3684                 };
3685                 const Unique<VkFence>   fence           (createFence(vk, *vkDevice, &fenceParams));
3686                 const VkSubmitInfo              submitInfo      =
3687                 {
3688                         VK_STRUCTURE_TYPE_SUBMIT_INFO,
3689                         DE_NULL,
3690                         0u,
3691                         (const VkSemaphore*)DE_NULL,
3692                         (const VkPipelineStageFlags*)DE_NULL,
3693                         1u,
3694                         &cmdBuf.get(),
3695                         0u,
3696                         (const VkSemaphore*)DE_NULL,
3697                 };
3698
3699                 VK_CHECK(vk.queueSubmit(queue, 1u, &submitInfo, *fence));
3700                 VK_CHECK(vk.waitForFences(*vkDevice, 1u, &fence.get(), DE_TRUE, ~0ull));
3701         }
3702
3703         const void* imagePtr    = readImageBufferMemory->getHostPtr();
3704         const tcu::ConstPixelBufferAccess pixelBuffer(tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8),
3705                                                                                                   renderSize.x(), renderSize.y(), 1, imagePtr);
3706         // Log image
3707         {
3708                 const VkMappedMemoryRange       range           =
3709                 {
3710                         VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE,  //      VkStructureType sType;
3711                         DE_NULL,                                                                //      const void*             pNext;
3712                         readImageBufferMemory->getMemory(),             //      VkDeviceMemory  mem;
3713                         0,                                                                              //      VkDeviceSize    offset;
3714                         imageSizeBytes,                                                 //      VkDeviceSize    size;
3715                 };
3716
3717                 VK_CHECK(vk.invalidateMappedMemoryRanges(*vkDevice, 1u, &range));
3718                 context.getTestContext().getLog() << TestLog::Image("Result", "Result", pixelBuffer);
3719         }
3720
3721         if (needInterface)
3722         {
3723                 const VkDeviceSize                      fragOutputImgSize       = (VkDeviceSize)(instance.interfaces.getOutputType().getNumBytes() * renderSize.x() * renderSize.y());
3724                 const VkMappedMemoryRange       range                           =
3725                 {
3726                         VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE,  //      VkStructureType sType;
3727                         DE_NULL,                                                                //      const void*             pNext;
3728                         fragOutputMemory->getMemory(),                  //      VkDeviceMemory  mem;
3729                         0,                                                                              //      VkDeviceSize    offset;
3730                         fragOutputImgSize,                                              //      VkDeviceSize    size;
3731                 };
3732
3733                 VK_CHECK(vk.invalidateMappedMemoryRanges(*vkDevice, 1u, &range));
3734         }
3735
3736         { // Make sure all output resources are ready.
3737                 for (deUint32 outputNdx = 0; outputNdx < numOutResources; ++outputNdx)
3738                 {
3739                         const VkMappedMemoryRange       range   =
3740                         {
3741                                 VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE,                  //      VkStructureType sType;
3742                                 DE_NULL,                                                                                //      const void*             pNext;
3743                                 outResourceMemories[outputNdx]->getMemory(),    //      VkDeviceMemory  mem;
3744                                 0,                                                                                              //      VkDeviceSize    offset;
3745                                 VK_WHOLE_SIZE,                                                                  //      VkDeviceSize    size;
3746                         };
3747
3748                         VK_CHECK(vk.invalidateMappedMemoryRanges(*vkDevice, 1u, &range));
3749                 }
3750         }
3751
3752         const RGBA threshold(1, 1, 1, 1);
3753
3754         const RGBA upperLeft(pixelBuffer.getPixel(1, 1));
3755         if (!tcu::compareThreshold(upperLeft, instance.outputColors[0], threshold))
3756                 return TestStatus(instance.failResult, instance.getSpecializedFailMessage("Upper left corner mismatch"));
3757
3758         const RGBA upperRight(pixelBuffer.getPixel(pixelBuffer.getWidth() - 1, 1));
3759         if (!tcu::compareThreshold(upperRight, instance.outputColors[1], threshold))
3760                 return TestStatus(instance.failResult, instance.getSpecializedFailMessage("Upper right corner mismatch"));
3761
3762         const RGBA lowerLeft(pixelBuffer.getPixel(1, pixelBuffer.getHeight() - 1));
3763         if (!tcu::compareThreshold(lowerLeft, instance.outputColors[2], threshold))
3764                 return TestStatus(instance.failResult, instance.getSpecializedFailMessage("Lower left corner mismatch"));
3765
3766         const RGBA lowerRight(pixelBuffer.getPixel(pixelBuffer.getWidth() - 1, pixelBuffer.getHeight() - 1));
3767         if (!tcu::compareThreshold(lowerRight, instance.outputColors[3], threshold))
3768                 return TestStatus(instance.failResult, instance.getSpecializedFailMessage("Lower right corner mismatch"));
3769
3770         // Check that the contents in the ouput variable matches expected.
3771         if (needInterface)
3772         {
3773                 vector<deUint8>                                         inputBufferBytes;
3774                 vector<deUint8>                                         outputBufferBytes;
3775
3776                 instance.interfaces.getInputBuffer()->getBytes(inputBufferBytes);
3777                 instance.interfaces.getOutputBuffer()->getBytes(outputBufferBytes);
3778
3779                 const IFDataType&                                       outputType                              = instance.interfaces.getOutputType();
3780                 const void*                                                     inputData                               = &inputBufferBytes.front();
3781                 const void*                                                     outputData                              = &outputBufferBytes.front();
3782                 vector<std::pair<int, int> >            positions;
3783                 const tcu::ConstPixelBufferAccess       fragOutputBufferAccess  (outputType.getTextureFormat(), renderSize.x(), renderSize.y(), 1, fragOutputMemory->getHostPtr());
3784
3785                 positions.push_back(std::make_pair(1, 1));
3786                 positions.push_back(std::make_pair(fragOutputBufferAccess.getWidth() - 1, 1));
3787                 positions.push_back(std::make_pair(1, fragOutputBufferAccess.getHeight() - 1));
3788                 positions.push_back(std::make_pair(fragOutputBufferAccess.getWidth() - 1, fragOutputBufferAccess.getHeight() - 1));
3789
3790                 for (deUint32 posNdx = 0; posNdx < positions.size(); ++posNdx)
3791                 {
3792                         const int       x               = positions[posNdx].first;
3793                         const int       y               = positions[posNdx].second;
3794                         bool            equal   = true;
3795
3796                         if (outputType.elementType == NUMBERTYPE_FLOAT32)
3797                         {
3798                                 const float*            expected        = static_cast<const float*>(outputData) + posNdx * outputType.numElements;
3799                                 const float*            actual          = static_cast<const float*>(fragOutputBufferAccess.getPixelPtr(x, y));
3800
3801                                 for (deUint32 eleNdx = 0; eleNdx < outputType.numElements; ++eleNdx)
3802                                         if (!compare32BitFloat(expected[eleNdx], actual[eleNdx], context.getTestContext().getLog()))
3803                                                 equal = false;
3804                         }
3805                         else if (outputType.elementType == NUMBERTYPE_INT32)
3806                         {
3807                                 const deInt32*          expected        = static_cast<const deInt32*>(outputData) + posNdx * outputType.numElements;
3808                                 const deInt32*          actual          = static_cast<const deInt32*>(fragOutputBufferAccess.getPixelPtr(x, y));
3809
3810                                 for (deUint32 eleNdx = 0; eleNdx < outputType.numElements; ++eleNdx)
3811                                         if (expected[eleNdx] != actual[eleNdx])
3812                                                 equal = false;
3813                         }
3814                         else if (outputType.elementType == NUMBERTYPE_UINT32)
3815                         {
3816                                 const deUint32*         expected        = static_cast<const deUint32*>(outputData) + posNdx * outputType.numElements;
3817                                 const deUint32*         actual          = static_cast<const deUint32*>(fragOutputBufferAccess.getPixelPtr(x, y));
3818
3819                                 for (deUint32 eleNdx = 0; eleNdx < outputType.numElements; ++eleNdx)
3820                                         if (expected[eleNdx] != actual[eleNdx])
3821                                                 equal = false;
3822                         }
3823                         else if (outputType.elementType == NUMBERTYPE_FLOAT16)
3824                         {
3825                                 const float*            original        = static_cast<const float*>(inputData) + posNdx * outputType.numElements;
3826                                 const deFloat16*        actual          = static_cast<const deFloat16*>(fragOutputBufferAccess.getPixelPtr(x, y));
3827
3828                                 for (deUint32 eleNdx = 0; eleNdx < outputType.numElements; ++eleNdx)
3829                                         if (!compare16BitFloat(original[eleNdx], actual[eleNdx], instance.interfaces.getRoundingMode(), context.getTestContext().getLog()))
3830                                                 equal = false;
3831                         }
3832                         else if (outputType.elementType == NUMBERTYPE_INT16)
3833                         {
3834                                 const deInt16*          expected        = static_cast<const deInt16*>(outputData) + posNdx * outputType.numElements;
3835                                 const deInt16*          actual          = static_cast<const deInt16*>(fragOutputBufferAccess.getPixelPtr(x, y));
3836
3837                                 for (deUint32 eleNdx = 0; eleNdx < outputType.numElements; ++eleNdx)
3838                                         if (expected[eleNdx] != actual[eleNdx])
3839                                                 equal = false;
3840                         }
3841                         else if (outputType.elementType == NUMBERTYPE_UINT16)
3842                         {
3843                                 const deUint16*         expected        = static_cast<const deUint16*>(outputData) + posNdx * outputType.numElements;
3844                                 const deUint16*         actual          = static_cast<const deUint16*>(fragOutputBufferAccess.getPixelPtr(x, y));
3845
3846                                 for (deUint32 eleNdx = 0; eleNdx < outputType.numElements; ++eleNdx)
3847                                         if (expected[eleNdx] != actual[eleNdx])
3848                                                 equal = false;
3849                         }
3850                         else {
3851                                 DE_ASSERT(0 && "unhandled type");
3852                         }
3853
3854                         if (!equal)
3855                                 return TestStatus(instance.failResult, instance.getSpecializedFailMessage("fragment output dat point #" + numberToString(posNdx) + " mismatch"));
3856                 }
3857         }
3858
3859         // Check the contents in output resources match with expected.
3860         for (deUint32 outputNdx = 0; outputNdx < numOutResources; ++outputNdx)
3861         {
3862                 const BufferSp& expected = instance.resources.outputs[outputNdx].second;
3863
3864                 if (instance.resources.verifyIO != DE_NULL)
3865                 {
3866                         if (!(*instance.resources.verifyIO)(instance.resources.inputs, outResourceMemories, instance.resources.outputs, context.getTestContext().getLog()))
3867                                 return tcu::TestStatus::fail("Resource returned doesn't match with expected");
3868                 }
3869                 else
3870                 {
3871                         vector<deUint8> expectedBytes;
3872                         expected->getBytes(expectedBytes);
3873
3874                         if (deMemCmp(&expectedBytes.front(), outResourceMemories[outputNdx]->getHostPtr(), expectedBytes.size()))
3875                                 return tcu::TestStatus::fail("Resource returned doesn't match bitwisely with expected");
3876                 }
3877         }
3878
3879         return TestStatus::pass("Rendered output matches input");
3880 }
3881
3882 void createTestsForAllStages (const std::string&                        name,
3883                                                           const RGBA                                    (&inputColors)[4],
3884                                                           const RGBA                                    (&outputColors)[4],
3885                                                           const map<string, string>&    testCodeFragments,
3886                                                           const vector<deInt32>&                specConstants,
3887                                                           const PushConstants&                  pushConstants,
3888                                                           const GraphicsResources&              resources,
3889                                                           const GraphicsInterfaces&             interfaces,
3890                                                           const vector<string>&                 extensions,
3891                                                           const vector<string>&                 features,
3892                                                           VulkanFeatures                                vulkanFeatures,
3893                                                           tcu::TestCaseGroup*                   tests,
3894                                                           const qpTestResult                    failResult,
3895                                                           const string&                                 failMessageTemplate)
3896 {
3897         const ShaderElement             vertFragPipelineStages[]                =
3898         {
3899                 ShaderElement("vert", "main", VK_SHADER_STAGE_VERTEX_BIT),
3900                 ShaderElement("frag", "main", VK_SHADER_STAGE_FRAGMENT_BIT),
3901         };
3902
3903         const ShaderElement             tessPipelineStages[]                    =
3904         {
3905                 ShaderElement("vert", "main", VK_SHADER_STAGE_VERTEX_BIT),
3906                 ShaderElement("tessc", "main", VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT),
3907                 ShaderElement("tesse", "main", VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT),
3908                 ShaderElement("frag", "main", VK_SHADER_STAGE_FRAGMENT_BIT),
3909         };
3910
3911         const ShaderElement             geomPipelineStages[]                            =
3912         {
3913                 ShaderElement("vert", "main", VK_SHADER_STAGE_VERTEX_BIT),
3914                 ShaderElement("geom", "main", VK_SHADER_STAGE_GEOMETRY_BIT),
3915                 ShaderElement("frag", "main", VK_SHADER_STAGE_FRAGMENT_BIT),
3916         };
3917
3918         StageToSpecConstantMap  specConstantMap;
3919
3920         specConstantMap[VK_SHADER_STAGE_VERTEX_BIT] = specConstants;
3921         addFunctionCaseWithPrograms<InstanceContext>(
3922                         tests, name + "_vert", "", addShaderCodeCustomVertex, runAndVerifyDefaultPipeline,
3923                         createInstanceContext(vertFragPipelineStages, inputColors, outputColors, testCodeFragments,
3924                                 specConstantMap, pushConstants, resources, interfaces, extensions, features, vulkanFeatures, vk::VK_SHADER_STAGE_VERTEX_BIT, failResult, failMessageTemplate));
3925
3926         specConstantMap.clear();
3927         specConstantMap[VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT] = specConstants;
3928         addFunctionCaseWithPrograms<InstanceContext>(
3929                         tests, name + "_tessc", "", addShaderCodeCustomTessControl, runAndVerifyDefaultPipeline,
3930                         createInstanceContext(tessPipelineStages, inputColors, outputColors, testCodeFragments,
3931                                 specConstantMap, pushConstants, resources, interfaces, extensions, features, vulkanFeatures, vk::VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT, failResult, failMessageTemplate));
3932
3933         specConstantMap.clear();
3934         specConstantMap[VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT] = specConstants;
3935         addFunctionCaseWithPrograms<InstanceContext>(
3936                         tests, name + "_tesse", "", addShaderCodeCustomTessEval, runAndVerifyDefaultPipeline,
3937                         createInstanceContext(tessPipelineStages, inputColors, outputColors, testCodeFragments,
3938                                 specConstantMap, pushConstants, resources, interfaces, extensions, features, vulkanFeatures, vk::VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT, failResult, failMessageTemplate));
3939
3940         specConstantMap.clear();
3941         specConstantMap[VK_SHADER_STAGE_GEOMETRY_BIT] = specConstants;
3942         addFunctionCaseWithPrograms<InstanceContext>(
3943                         tests, name + "_geom", "", addShaderCodeCustomGeometry, runAndVerifyDefaultPipeline,
3944                         createInstanceContext(geomPipelineStages, inputColors, outputColors, testCodeFragments,
3945                                 specConstantMap, pushConstants, resources, interfaces, extensions, features, vulkanFeatures, vk::VK_SHADER_STAGE_GEOMETRY_BIT, failResult, failMessageTemplate));
3946
3947         specConstantMap.clear();
3948         specConstantMap[VK_SHADER_STAGE_FRAGMENT_BIT] = specConstants;
3949         addFunctionCaseWithPrograms<InstanceContext>(
3950                         tests, name + "_frag", "", addShaderCodeCustomFragment, runAndVerifyDefaultPipeline,
3951                         createInstanceContext(vertFragPipelineStages, inputColors, outputColors, testCodeFragments,
3952                                 specConstantMap, pushConstants, resources, interfaces, extensions, features, vulkanFeatures, vk::VK_SHADER_STAGE_FRAGMENT_BIT, failResult, failMessageTemplate));
3953 }
3954
3955 void addTessCtrlTest(tcu::TestCaseGroup* group, const char* name, const map<string, string>& fragments)
3956 {
3957         RGBA defaultColors[4];
3958         getDefaultColors(defaultColors);
3959         const ShaderElement pipelineStages[] =
3960         {
3961                 ShaderElement("vert", "main", VK_SHADER_STAGE_VERTEX_BIT),
3962                 ShaderElement("tessc", "main", VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT),
3963                 ShaderElement("tesse", "main", VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT),
3964                 ShaderElement("frag", "main", VK_SHADER_STAGE_FRAGMENT_BIT),
3965         };
3966
3967         addFunctionCaseWithPrograms<InstanceContext>(
3968                         group, name, "", addShaderCodeCustomTessControl,
3969                         runAndVerifyDefaultPipeline, createInstanceContext(
3970                                 pipelineStages, defaultColors, defaultColors, fragments,
3971                                 StageToSpecConstantMap(), PushConstants(), GraphicsResources(),
3972                                 GraphicsInterfaces(), vector<string>(), vector<string>(),
3973                                 VulkanFeatures(), vk::VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT));
3974 }
3975
3976 } // SpirVAssembly
3977 } // vkt