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

   1 #ifndef _VKTSPVASMGRAPHICSSHADERTESTUTIL_HPP
   2 #define _VKTSPVASMGRAPHICSSHADERTESTUTIL_HPP
   3 /*-------------------------------------------------------------------------
   4  * Vulkan Conformance Tests
   5  * ------------------------
   6  *
   7  * Copyright (c) 2017 Google Inc.
   8  *
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  *
  21  *//*!
  22  * \file
  23  * \brief Graphics pipeline and helper functions for SPIR-V assembly tests
  24  *//*--------------------------------------------------------------------*/
  25
  26 #include "tcuCommandLine.hpp"
  27 #include "tcuRGBA.hpp"
  28
  29 #include "vkPrograms.hpp"
  30 #include "vktSpvAsmComputeShaderTestUtil.hpp"
  31 #include "vktSpvAsmUtils.hpp"
  32 #include "vktTestCaseUtil.hpp"
  33
  34 #include "deRandom.hpp"
  35 #include "deSharedPtr.hpp"
  36
  37 #include <map>
  38 #include <sstream>
  39 #include <string>
  40 #include <utility>
  41
  42 namespace vkt
  43 {
  44 namespace SpirVAssembly
  45 {
  46
  47 typedef vk::Unique<VkBuffer>                                                                            BufferHandleUp;
  48 typedef vk::Unique<VkImage>                                                                                     ImageHandleUp;
  49 typedef vk::Unique<VkImageView>                                                                         ImageViewHandleUp;
  50 typedef vk::Unique<VkSampler>                                                                           SamplerHandleUp;
  51 typedef de::SharedPtr<BufferHandleUp>                                                           BufferHandleSp;
  52 typedef de::SharedPtr<ImageHandleUp>                                                            ImageHandleSp;
  53 typedef de::SharedPtr<ImageViewHandleUp>                                                        ImageViewHandleSp;
  54 typedef de::SharedPtr<SamplerHandleUp>                                                          SamplerHandleSp;
  55 typedef vk::Unique<vk::VkShaderModule>                                                          ModuleHandleUp;
  56 typedef de::SharedPtr<ModuleHandleUp>                                                           ModuleHandleSp;
  57 typedef std::pair<std::string, vk::VkShaderStageFlagBits>                       EntryToStage;
  58 typedef std::map<std::string, std::vector<EntryToStage> >                       ModuleMap;
  59 typedef std::map<vk::VkShaderStageFlagBits, std::vector<deInt32> >      StageToSpecConstantMap;
  60 typedef std::pair<vk::VkDescriptorType, BufferSp>                                       Resource;
  61
  62 enum NumberType
  63 {
  64         NUMBERTYPE_INT32,
  65         NUMBERTYPE_UINT32,
  66         NUMBERTYPE_FLOAT32,
  67         NUMBERTYPE_END32,               // Marks the end of 32-bit scalar types
  68         NUMBERTYPE_INT16,
  69         NUMBERTYPE_UINT16,
  70         NUMBERTYPE_FLOAT16,
  71 };
  72
  73 typedef enum RoundingModeFlags_e
  74 {
  75         ROUNDINGMODE_RTE = 0x1, // Round to nearest even
  76         ROUNDINGMODE_RTZ = 0x2, // Round to zero
  77 } RoundingModeFlags;
  78
  79 typedef bool (*GraphicsVerifyIOFunc) (const std::vector<Resource>&              inputs,
  80                                                                           const std::vector<AllocationSp>&      outputAllocations,
  81                                                                           const std::vector<Resource>&          expectedOutputs,
  82                                                                           tcu::TestLog&                                         log);
  83
  84 // Resources used by graphics-pipeline-based tests.
  85 struct GraphicsResources
  86 {
  87         // Resources used as inputs.
  88         std::vector<Resource>   inputs;
  89         // Resources used as outputs. The data supplied will be used as
  90         // the expected outputs for the corresponding bindings by default.
  91         // If other behaviors are needed, please provide a custom verifyIO.
  92         std::vector<Resource>   outputs;
  93         // If null, a default verification will be performed by comparing the
  94         // memory pointed to by outputAllocations  and the contents of
  95         // expectedOutputs. Otherwise the function pointed to by verifyIO will
  96         // be called. If true is returned, then the test case is assumed to
  97         // have passed, if false is returned, then the test case is assumed
  98         // to have failed.
  99         GraphicsVerifyIOFunc    verifyIO;
 100
 101                                                         GraphicsResources()
 102                                                                 : verifyIO      (DE_NULL)
 103                                                         {}
 104 };
 105
 106 // Interface data type.
 107 struct IFDataType
 108 {
 109                                                 IFDataType                      (deUint32 numE, NumberType elementT)
 110                                                         : numElements   (numE)
 111                                                         , elementType   (elementT)
 112                                                 {
 113                                                         DE_ASSERT(numE > 0 && numE < 5);
 114                                                         DE_ASSERT(elementT != NUMBERTYPE_END32);
 115                                                 }
 116
 117                                                 IFDataType                      (const IFDataType& that)
 118                                                         : numElements   (that.numElements)
 119                                                         , elementType   (that.elementType)
 120                                                 {}
 121
 122         deUint32                        getElementNumBytes      (void) const;
 123         deUint32                        getNumBytes                     (void) const { return numElements * getElementNumBytes(); }
 124
 125         vk::VkFormat            getVkFormat                     (void) const;
 126
 127         tcu::TextureFormat      getTextureFormat        (void) const;
 128
 129         std::string                     str                                     (void) const;
 130
 131         bool                            elementIs32bit          (void) const { return elementType < NUMBERTYPE_END32; }
 132         bool                            isVector                        (void) const { return numElements > 1; }
 133
 134         deUint32                        numElements;
 135         NumberType                      elementType;
 136 };
 137
 138 typedef std::pair<IFDataType, BufferSp>                 Interface;
 139
 140 // Interface variables used by graphics-pipeline-based tests.
 141 class GraphicsInterfaces
 142 {
 143 public:
 144                                                 GraphicsInterfaces      ()
 145                                                         : rndMode       (static_cast<RoundingModeFlags>(0))
 146                                                 {}
 147
 148                                                 GraphicsInterfaces      (const GraphicsInterfaces& that)
 149                                                         : inputs        (that.inputs)
 150                                                         , outputs       (that.outputs)
 151                                                         , rndMode       (that.rndMode)
 152                                                 {}
 153
 154         void                            setInputOutput          (const Interface& input, const Interface&  output)
 155                                                 {
 156                                                         inputs.clear();
 157                                                         outputs.clear();
 158                                                         inputs.push_back(input);
 159                                                         outputs.push_back(output);
 160                                                 }
 161
 162         const IFDataType&       getInputType            (void) const
 163                                                 {
 164                                                         DE_ASSERT(inputs.size() == 1);
 165                                                         return inputs.front().first;
 166                                                 }
 167
 168         const IFDataType&       getOutputType           (void) const
 169                                                 {
 170                                                         DE_ASSERT(outputs.size() == 1);
 171                                                         return outputs.front().first;
 172                                                 }
 173
 174         const BufferSp&         getInputBuffer          (void) const
 175                                                 {
 176                                                         DE_ASSERT(inputs.size() == 1);
 177                                                         return inputs.front().second;
 178                                                 }
 179
 180         const BufferSp&         getOutputBuffer         (void) const
 181                                                 {
 182                                                         DE_ASSERT(outputs.size() == 1);
 183                                                         return outputs.front().second;
 184                                                 }
 185
 186         bool                            empty                           (void) const
 187                                                 {
 188                                                         return inputs.size() == 0;
 189                                                 }
 190
 191         void                            setRoundingMode         (RoundingModeFlags flag)
 192                                                 {
 193                                                         rndMode = flag;
 194                                                 }
 195         RoundingModeFlags       getRoundingMode         (void) const
 196                                                 {
 197                                                         return rndMode;
 198                                                 }
 199 private:
 200         // vector<Interface> acts as a null-able Interface here. Canonically we should use
 201         // std::unique_ptr, but sadly we cannot leverage C++11 in dEQP. dEQP has its own
 202         // de::UniquePtr, but still cumbersome to use in InstanceContext and do copies
 203         // at various places.
 204         // Public methods should make sure that there are less than two elements in both
 205         // members and both members have the same number of elements.
 206         std::vector<Interface>  inputs;
 207         std::vector<Interface>  outputs;
 208         RoundingModeFlags               rndMode;
 209
 210 };
 211
 212 struct PushConstants
 213 {
 214 public:
 215                                                         PushConstants (void)
 216                                                         {}
 217
 218                                                         PushConstants (const PushConstants& that)
 219                                                                 : pcs   (that.pcs)
 220                                                         {}
 221
 222         void                                    setPushConstant (const BufferSp& pc)
 223                                                         {
 224                                                                 pcs.clear();
 225                                                                 pcs.push_back(pc);
 226                                                         }
 227
 228         bool                                    empty (void) const
 229                                                         {
 230                                                                 return pcs.empty();
 231                                                         }
 232
 233         const BufferSp&                 getBuffer(void) const
 234                                                         {
 235                                                                 DE_ASSERT(pcs.size() == 1);
 236                                                                 return pcs[0];
 237                                                         }
 238
 239 private:
 240         // Right now we only support one field in the push constant block.
 241         std::vector<BufferSp>   pcs;
 242 };
 243
 244 // Returns the corresponding buffer usage flag bit for the given descriptor type.
 245 VkBufferUsageFlagBits getMatchingBufferUsageFlagBit(VkDescriptorType dType);
 246
 247 // Context for a specific test instantiation. For example, an instantiation
 248 // may test colors yellow/magenta/cyan/mauve in a tesselation shader
 249 // with an entry point named 'main_to_the_main'
 250 struct InstanceContext
 251 {
 252         // Map of modules to what entry_points we care to use from those modules.
 253         ModuleMap                                                               moduleMap;
 254         tcu::RGBA                                                               inputColors[4];
 255         tcu::RGBA                                                               outputColors[4];
 256         // Concrete SPIR-V code to test via boilerplate specialization.
 257         std::map<std::string, std::string>              testCodeFragments;
 258         StageToSpecConstantMap                                  specConstants;
 259         bool                                                                    hasTessellation;
 260         vk::VkShaderStageFlagBits                               requiredStages;
 261         std::vector<std::string>                                requiredDeviceExtensions;
 262         std::vector<std::string>                                requiredDeviceFeatures;
 263         VulkanFeatures                                                  requestedFeatures;
 264         PushConstants                                                   pushConstants;
 265         // Specifies the (one or more) stages that use a customized shader code.
 266         VkShaderStageFlags                                              customizedStages;
 267         // Possible resources used by the graphics pipeline.
 268         // If it is not empty, a single descriptor set (number 0) will be allocated
 269         // to point to all resources specified. Binding numbers are allocated in
 270         // accord with the resources' order in the vector; outputs are allocated
 271         // after inputs.
 272         GraphicsResources                                               resources;
 273         // Possible interface variables use by the graphics pipeline.
 274         // If it is not empty, input/output variables will be set up for shader stages
 275         // in the test. Both the input and output variable will take location #2 in the
 276         // pipeline for all stages, except that the output variable in the fragment
 277         // stage will take location #1.
 278         GraphicsInterfaces                                              interfaces;
 279         qpTestResult                                                    failResult;
 280         std::string                                                             failMessageTemplate;    //!< ${reason} in the template will be replaced with a detailed failure message
 281
 282         InstanceContext (const tcu::RGBA                                                        (&inputs)[4],
 283                                          const tcu::RGBA                                                        (&outputs)[4],
 284                                          const std::map<std::string, std::string>&      testCodeFragments_,
 285                                          const StageToSpecConstantMap&                          specConstants_,
 286                                          const PushConstants&                                           pushConsants_,
 287                                          const GraphicsResources&                                       resources_,
 288                                          const GraphicsInterfaces&                                      interfaces_,
 289                                          const std::vector<std::string>&                        extensions_,
 290                                          const std::vector<std::string>&                        features_,
 291                                          VulkanFeatures                                                         vulkanFeatures_,
 292                                          VkShaderStageFlags                                                     customizedStages_);
 293
 294         InstanceContext (const InstanceContext& other);
 295
 296         std::string getSpecializedFailMessage (const std::string& failureReason);
 297 };
 298
 299 // A description of a shader to be used for a single stage of the graphics pipeline.
 300 struct ShaderElement
 301 {
 302         // The module that contains this shader entrypoint.
 303         std::string                                     moduleName;
 304
 305         // The name of the entrypoint.
 306         std::string                                     entryName;
 307
 308         // Which shader stage this entry point represents.
 309         vk::VkShaderStageFlagBits       stage;
 310
 311         ShaderElement (const std::string& moduleName_, const std::string& entryPoint_, vk::VkShaderStageFlagBits shaderStage_);
 312 };
 313
 314 template <typename T>
 315 const std::string numberToString (T number)
 316 {
 317         std::stringstream ss;
 318         ss << number;
 319         return ss.str();
 320 }
 321
 322 // Performs a bitwise copy of source to the destination type Dest.
 323 template <typename Dest, typename Src>
 324 Dest bitwiseCast(Src source)
 325 {
 326   Dest dest;
 327   DE_STATIC_ASSERT(sizeof(source) == sizeof(dest));
 328   deMemcpy(&dest, &source, sizeof(dest));
 329   return dest;
 330 }
 331
 332 template<typename T>    T                       randomScalar    (de::Random& rnd, T minValue, T maxValue);
 333 template<> inline               float           randomScalar    (de::Random& rnd, float minValue, float maxValue)               { return rnd.getFloat(minValue, maxValue);      }
 334 template<> inline               deInt32         randomScalar    (de::Random& rnd, deInt32 minValue, deInt32 maxValue)   { return rnd.getInt(minValue, maxValue);        }
 335
 336
 337 void getDefaultColors (tcu::RGBA (&colors)[4]);
 338
 339 void getHalfColorsFullAlpha (tcu::RGBA (&colors)[4]);
 340
 341 void getInvertedDefaultColors (tcu::RGBA (&colors)[4]);
 342
 343 // Creates fragments that specialize into a simple pass-through shader (of any kind).
 344 std::map<std::string, std::string> passthruFragments(void);
 345
 346 void createCombinedModule(vk::SourceCollections& dst, InstanceContext);
 347
 348 // This has two shaders of each stage. The first
 349 // is a passthrough, the second inverts the color.
 350 void createMultipleEntries(vk::SourceCollections& dst, InstanceContext);
 351
 352 // Turns a statically sized array of ShaderElements into an instance-context
 353 // by setting up the mapping of modules to their contained shaders and stages.
 354 // The inputs and expected outputs are given by inputColors and outputColors
 355 template<size_t N>
 356 InstanceContext createInstanceContext (const ShaderElement                                                      (&elements)[N],
 357                                                                            const tcu::RGBA                                                              (&inputColors)[4],
 358                                                                            const tcu::RGBA                                                              (&outputColors)[4],
 359                                                                            const std::map<std::string, std::string>&    testCodeFragments,
 360                                                                            const StageToSpecConstantMap&                                specConstants,
 361                                                                            const PushConstants&                                                 pushConstants,
 362                                                                            const GraphicsResources&                                             resources,
 363                                                                            const GraphicsInterfaces&                                    interfaces,
 364                                                                            const std::vector<std::string>&                              extensions,
 365                                                                            const std::vector<std::string>&                              features,
 366                                                                            VulkanFeatures                                                               vulkanFeatures,
 367                                                                            VkShaderStageFlags                                                   customizedStages,
 368                                                                            const qpTestResult                                                   failResult                      = QP_TEST_RESULT_FAIL,
 369                                                                            const std::string&                                                   failMessageTemplate     = std::string())
 370 {
 371         InstanceContext ctx (inputColors, outputColors, testCodeFragments, specConstants, pushConstants, resources, interfaces, extensions, features, vulkanFeatures, customizedStages);
 372         for (size_t i = 0; i < N; ++i)
 373         {
 374                 ctx.moduleMap[elements[i].moduleName].push_back(std::make_pair(elements[i].entryName, elements[i].stage));
 375                 ctx.requiredStages = static_cast<VkShaderStageFlagBits>(ctx.requiredStages | elements[i].stage);
 376         }
 377         ctx.failResult                          = failResult;
 378         if (!failMessageTemplate.empty())
 379                 ctx.failMessageTemplate = failMessageTemplate;
 380         return ctx;
 381 }
 382
 383 // The same as createInstanceContext above, without extensions, spec constants, and resources.
 384 template<size_t N>
 385 inline InstanceContext createInstanceContext (const ShaderElement                                               (&elements)[N],
 386                                                                                           tcu::RGBA                                                                     (&inputColors)[4],
 387                                                                                           const tcu::RGBA                                                       (&outputColors)[4],
 388                                                                                           const std::map<std::string, std::string>&     testCodeFragments)
 389 {
 390         return createInstanceContext(elements, inputColors, outputColors, testCodeFragments,
 391                                                                  StageToSpecConstantMap(), PushConstants(), GraphicsResources(),
 392                                                                  GraphicsInterfaces(), std::vector<std::string>(), std::vector<std::string>(),
 393                                                                  VulkanFeatures(), vk::VK_SHADER_STAGE_ALL);
 394 }
 395
 396 // The same as createInstanceContext above, but with default colors.
 397 template<size_t N>
 398 InstanceContext createInstanceContext (const ShaderElement                                                      (&elements)[N],
 399                                                                            const std::map<std::string, std::string>&    testCodeFragments)
 400 {
 401         tcu::RGBA defaultColors[4];
 402         getDefaultColors(defaultColors);
 403         return createInstanceContext(elements, defaultColors, defaultColors, testCodeFragments);
 404 }
 405
 406
 407 void createTestsForAllStages (const std::string&                                                name,
 408                                                           const tcu::RGBA                                                       (&inputColors)[4],
 409                                                           const tcu::RGBA                                                       (&outputColors)[4],
 410                                                           const std::map<std::string, std::string>&     testCodeFragments,
 411                                                           const std::vector<deInt32>&                           specConstants,
 412                                                           const PushConstants&                                          pushConstants,
 413                                                           const GraphicsResources&                                      resources,
 414                                                           const GraphicsInterfaces&                                     interfaces,
 415                                                           const std::vector<std::string>&                       extensions,
 416                                                           const std::vector<std::string>&                       features,
 417                                                           VulkanFeatures                                                        vulkanFeatures,
 418                                                           tcu::TestCaseGroup*                                           tests,
 419                                                           const qpTestResult                                            failResult                      = QP_TEST_RESULT_FAIL,
 420                                                           const std::string&                                            failMessageTemplate     = std::string());
 421
 422 inline void createTestsForAllStages (const std::string&                                                 name,
 423                                                                          const tcu::RGBA                                                        (&inputColors)[4],
 424                                                                          const tcu::RGBA                                                        (&outputColors)[4],
 425                                                                          const std::map<std::string, std::string>&      testCodeFragments,
 426                                                                          tcu::TestCaseGroup*                                            tests,
 427                                                                          const qpTestResult                                                     failResult                      = QP_TEST_RESULT_FAIL,
 428                                                                          const std::string&                                                     failMessageTemplate     = std::string())
 429 {
 430         std::vector<deInt32>            noSpecConstants;
 431         PushConstants                           noPushConstants;
 432         GraphicsResources                       noResources;
 433         GraphicsInterfaces                      noInterfaces;
 434         std::vector<std::string>        noExtensions;
 435         std::vector<std::string>        noFeatures;
 436
 437         createTestsForAllStages(
 438                         name, inputColors, outputColors, testCodeFragments, noSpecConstants, noPushConstants,
 439                         noResources, noInterfaces, noExtensions, noFeatures, VulkanFeatures(),
 440                         tests, failResult, failMessageTemplate);
 441 }
 442
 443 inline void createTestsForAllStages (const std::string&                                                 name,
 444                                                                          const tcu::RGBA                                                        (&inputColors)[4],
 445                                                                          const tcu::RGBA                                                        (&outputColors)[4],
 446                                                                          const std::map<std::string, std::string>&      testCodeFragments,
 447                                                                          const std::vector<deInt32>&                            specConstants,
 448                                                                          tcu::TestCaseGroup*                                            tests,
 449                                                                          const qpTestResult                                                     failResult                      = QP_TEST_RESULT_FAIL,
 450                                                                          const std::string&                                                     failMessageTemplate     = std::string())
 451 {
 452         PushConstants                                   noPushConstants;
 453         GraphicsResources                               noResources;
 454         GraphicsInterfaces                              noInterfaces;
 455         std::vector<std::string>                noExtensions;
 456         std::vector<std::string>                noFeatures;
 457
 458         createTestsForAllStages(
 459                         name, inputColors, outputColors, testCodeFragments, specConstants, noPushConstants,
 460                         noResources, noInterfaces, noExtensions, noFeatures, VulkanFeatures(),
 461                         tests, failResult, failMessageTemplate);
 462 }
 463
 464 inline void createTestsForAllStages (const std::string&                                                 name,
 465                                                                          const tcu::RGBA                                                        (&inputColors)[4],
 466                                                                          const tcu::RGBA                                                        (&outputColors)[4],
 467                                                                          const std::map<std::string, std::string>&      testCodeFragments,
 468                                                                          const GraphicsResources&                                       resources,
 469                                                                          const std::vector<std::string>&                        extensions,
 470                                                                          tcu::TestCaseGroup*                                            tests,
 471                                                                          VulkanFeatures                                                         vulkanFeatures          = VulkanFeatures(),
 472                                                                          const qpTestResult                                                     failResult                      = QP_TEST_RESULT_FAIL,
 473                                                                          const std::string&                                                     failMessageTemplate     = std::string())
 474 {
 475         std::vector<deInt32>            noSpecConstants;
 476         PushConstants                           noPushConstants;
 477         GraphicsInterfaces                      noInterfaces;
 478         std::vector<std::string>        noFeatures;
 479
 480         createTestsForAllStages(
 481                         name, inputColors, outputColors, testCodeFragments, noSpecConstants, noPushConstants,
 482                         resources, noInterfaces, extensions, noFeatures, vulkanFeatures,
 483                         tests, failResult, failMessageTemplate);
 484 }
 485
 486 inline void createTestsForAllStages (const std::string& name,
 487                                                                          const tcu::RGBA                                                        (&inputColors)[4],
 488                                                                          const tcu::RGBA                                                        (&outputColors)[4],
 489                                                                          const std::map<std::string, std::string>&      testCodeFragments,
 490                                                                          const GraphicsInterfaces                                       interfaces,
 491                                                                          const std::vector<std::string>&                        extensions,
 492                                                                          tcu::TestCaseGroup*                                            tests,
 493                                                                          VulkanFeatures                                                         vulkanFeatures          = VulkanFeatures(),
 494                                                                          const qpTestResult                                                     failResult                      = QP_TEST_RESULT_FAIL,
 495                                                                          const std::string&                                                     failMessageTemplate     = std::string())
 496 {
 497         GraphicsResources                       noResources;
 498         std::vector<deInt32>            noSpecConstants;
 499         std::vector<std::string>        noFeatures;
 500         PushConstants                           noPushConstants;
 501
 502         createTestsForAllStages(
 503                         name, inputColors, outputColors, testCodeFragments, noSpecConstants, noPushConstants,
 504                         noResources, interfaces, extensions, noFeatures, vulkanFeatures,
 505                         tests, failResult, failMessageTemplate);
 506 }
 507
 508 inline void createTestsForAllStages (const std::string& name,
 509                                                                          const tcu::RGBA                                                        (&inputColors)[4],
 510                                                                          const tcu::RGBA                                                        (&outputColors)[4],
 511                                                                          const std::map<std::string, std::string>&      testCodeFragments,
 512                                                                          const PushConstants&                                           pushConstants,
 513                                                                          const GraphicsResources&                                       resources,
 514                                                                          const std::vector<std::string>&                        extensions,
 515                                                                          tcu::TestCaseGroup*                                            tests,
 516                                                                          VulkanFeatures                                                         vulkanFeatures          = VulkanFeatures(),
 517                                                                          const qpTestResult                                                     failResult                      = QP_TEST_RESULT_FAIL,
 518                                                                          const std::string&                                                     failMessageTemplate     = std::string())
 519 {
 520         std::vector<deInt32>                    noSpecConstants;
 521         GraphicsInterfaces                              noInterfaces;
 522         std::vector<std::string>                noFeatures;
 523
 524         createTestsForAllStages(
 525                         name, inputColors, outputColors, testCodeFragments, noSpecConstants, pushConstants,
 526                         resources, noInterfaces, extensions, noFeatures, vulkanFeatures,
 527                         tests, failResult, failMessageTemplate);
 528 }
 529
 530 // Sets up and runs a Vulkan pipeline, then spot-checks the resulting image.
 531 // Feeds the pipeline a set of colored triangles, which then must occur in the
 532 // rendered image.  The surface is cleared before executing the pipeline, so
 533 // whatever the shaders draw can be directly spot-checked.
 534 tcu::TestStatus runAndVerifyDefaultPipeline (Context& context, InstanceContext instance);
 535
 536 // Adds a new test to group using custom fragments for the tessellation-control
 537 // stage and passthrough fragments for all other stages.  Uses default colors
 538 // for input and expected output.
 539 void addTessCtrlTest(tcu::TestCaseGroup* group, const char* name, const std::map<std::string, std::string>& fragments);
 540
 541 // Given the original 32-bit float value, computes the corresponding 16-bit
 542 // float value under the given rounding mode flags and compares with the
 543 // returned 16-bit float value. Returns true if they are considered as equal.
 544 //
 545 // The following equivalence criteria are respected:
 546 // * Positive and negative zeros are considered equivalent.
 547 // * Denormalized floats are allowed to be flushed to zeros, including
 548 //   * Inputted 32bit denormalized float
 549 //   * Generated 16bit denormalized float
 550 // * Different bit patterns of NaNs are allowed.
 551 // * For the rest, require exactly the same bit pattern.
 552 bool compare16BitFloat (float original, deUint16 returned, RoundingModeFlags flags, tcu::TestLog& log);
 553
 554 // Compare the returned 32-bit float against its expected value.
 555 //
 556 // The following equivalence criteria are respected:
 557 // * Denormalized floats are allowed to be flushed to zeros, including
 558 //   * The expected value itself is a denormalized float
 559 //   * The expected value is a denormalized float if converted to 16bit
 560 // * Different bit patterns of NaNs/Infs are allowed.
 561 // * For the rest, use C++ float equivalence check.
 562 bool compare32BitFloat (float expected, float returned, tcu::TestLog& log);
 563
 564 } // SpirVAssembly
 565 } // vkt
 566
 567 #endif // _VKTSPVASMGRAPHICSSHADERTESTUTIL_HPP