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