external/vulkancts/framework/vulkan/vkGlslToSpirV.cpp

   1 /*-------------------------------------------------------------------------
   2  * Vulkan CTS Framework
   3  * --------------------
   4  *
   5  * Copyright (c) 2015 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 GLSL to SPIR-V.
  22  *//*--------------------------------------------------------------------*/
  23
  24 #include "vkGlslToSpirV.hpp"
  25 #include "deArrayUtil.hpp"
  26 #include "deSingleton.h"
  27 #include "deMemory.h"
  28 #include "deClock.h"
  29 #include "qpDebugOut.h"
  30
  31 #if defined(DEQP_HAVE_GLSLANG)
  32 #       include "SPIRV/GlslangToSpv.h"
  33 #       include "SPIRV/disassemble.h"
  34 #       include "SPIRV/SPVRemapper.h"
  35 #       include "SPIRV/doc.h"
  36 #       include "glslang/Include/InfoSink.h"
  37 #       include "glslang/Include/ShHandle.h"
  38 #       include "glslang/MachineIndependent/localintermediate.h"
  39 #       include "glslang/Public/ShaderLang.h"
  40 #endif
  41
  42 namespace vk
  43 {
  44
  45 using std::string;
  46 using std::vector;
  47
  48 #if defined(DEQP_HAVE_GLSLANG)
  49
  50 namespace
  51 {
  52
  53 EShLanguage getGlslangStage (glu::ShaderType type)
  54 {
  55         static const EShLanguage stageMap[] =
  56         {
  57                 EShLangVertex,
  58                 EShLangFragment,
  59                 EShLangGeometry,
  60                 EShLangTessControl,
  61                 EShLangTessEvaluation,
  62                 EShLangCompute,
  63         };
  64         return de::getSizedArrayElement<glu::SHADERTYPE_LAST>(stageMap, type);
  65 }
  66
  67 static volatile deSingletonState        s_glslangInitState      = DE_SINGLETON_STATE_NOT_INITIALIZED;
  68
  69 void initGlslang (void*)
  70 {
  71         // Main compiler
  72         glslang::InitializeProcess();
  73
  74         // SPIR-V disassembly
  75         spv::Parameterize();
  76 }
  77
  78 void prepareGlslang (void)
  79 {
  80         deInitSingleton(&s_glslangInitState, initGlslang, DE_NULL);
  81 }
  82
  83 // \todo [2015-06-19 pyry] Specialize these per GLSL version
  84
  85 // Fail compilation if more members are added to TLimits or TBuiltInResource
  86 struct LimitsSizeHelper_s                       { bool m0, m1, m2, m3, m4, m5, m6, m7, m8; };
  87 struct BuiltInResourceSizeHelper_s      { int m[83]; LimitsSizeHelper_s l; };
  88
  89 DE_STATIC_ASSERT(sizeof(TLimits)                        == sizeof(LimitsSizeHelper_s));
  90 DE_STATIC_ASSERT(sizeof(TBuiltInResource)       == sizeof(BuiltInResourceSizeHelper_s));
  91
  92 void getDefaultLimits (TLimits* limits)
  93 {
  94         limits->nonInductiveForLoops                                    = true;
  95         limits->whileLoops                                                              = true;
  96         limits->doWhileLoops                                                    = true;
  97         limits->generalUniformIndexing                                  = true;
  98         limits->generalAttributeMatrixVectorIndexing    = true;
  99         limits->generalVaryingIndexing                                  = true;
 100         limits->generalSamplerIndexing                                  = true;
 101         limits->generalVariableIndexing                                 = true;
 102         limits->generalConstantMatrixVectorIndexing             = true;
 103 }
 104
 105 void getDefaultBuiltInResources (TBuiltInResource* builtin)
 106 {
 107         getDefaultLimits(&builtin->limits);
 108
 109         builtin->maxLights                                                                      = 32;
 110         builtin->maxClipPlanes                                                          = 6;
 111         builtin->maxTextureUnits                                                        = 32;
 112         builtin->maxTextureCoords                                                       = 32;
 113         builtin->maxVertexAttribs                                                       = 64;
 114         builtin->maxVertexUniformComponents                                     = 4096;
 115         builtin->maxVaryingFloats                                                       = 64;
 116         builtin->maxVertexTextureImageUnits                                     = 32;
 117         builtin->maxCombinedTextureImageUnits                           = 80;
 118         builtin->maxTextureImageUnits                                           = 32;
 119         builtin->maxFragmentUniformComponents                           = 4096;
 120         builtin->maxDrawBuffers                                                         = 32;
 121         builtin->maxVertexUniformVectors                                        = 128;
 122         builtin->maxVaryingVectors                                                      = 8;
 123         builtin->maxFragmentUniformVectors                                      = 16;
 124         builtin->maxVertexOutputVectors                                         = 16;
 125         builtin->maxFragmentInputVectors                                        = 15;
 126         builtin->minProgramTexelOffset                                          = -8;
 127         builtin->maxProgramTexelOffset                                          = 7;
 128         builtin->maxClipDistances                                                       = 8;
 129         builtin->maxComputeWorkGroupCountX                                      = 65535;
 130         builtin->maxComputeWorkGroupCountY                                      = 65535;
 131         builtin->maxComputeWorkGroupCountZ                                      = 65535;
 132         builtin->maxComputeWorkGroupSizeX                                       = 1024;
 133         builtin->maxComputeWorkGroupSizeY                                       = 1024;
 134         builtin->maxComputeWorkGroupSizeZ                                       = 64;
 135         builtin->maxComputeUniformComponents                            = 1024;
 136         builtin->maxComputeTextureImageUnits                            = 16;
 137         builtin->maxComputeImageUniforms                                        = 8;
 138         builtin->maxComputeAtomicCounters                                       = 8;
 139         builtin->maxComputeAtomicCounterBuffers                         = 1;
 140         builtin->maxVaryingComponents                                           = 60;
 141         builtin->maxVertexOutputComponents                                      = 64;
 142         builtin->maxGeometryInputComponents                                     = 64;
 143         builtin->maxGeometryOutputComponents                            = 128;
 144         builtin->maxFragmentInputComponents                                     = 128;
 145         builtin->maxImageUnits                                                          = 8;
 146         builtin->maxCombinedImageUnitsAndFragmentOutputs        = 8;
 147         builtin->maxCombinedShaderOutputResources                       = 8;
 148         builtin->maxImageSamples                                                        = 0;
 149         builtin->maxVertexImageUniforms                                         = 0;
 150         builtin->maxTessControlImageUniforms                            = 0;
 151         builtin->maxTessEvaluationImageUniforms                         = 0;
 152         builtin->maxGeometryImageUniforms                                       = 0;
 153         builtin->maxFragmentImageUniforms                                       = 8;
 154         builtin->maxCombinedImageUniforms                                       = 8;
 155         builtin->maxGeometryTextureImageUnits                           = 16;
 156         builtin->maxGeometryOutputVertices                                      = 256;
 157         builtin->maxGeometryTotalOutputComponents                       = 1024;
 158         builtin->maxGeometryUniformComponents                           = 1024;
 159         builtin->maxGeometryVaryingComponents                           = 64;
 160         builtin->maxTessControlInputComponents                          = 128;
 161         builtin->maxTessControlOutputComponents                         = 128;
 162         builtin->maxTessControlTextureImageUnits                        = 16;
 163         builtin->maxTessControlUniformComponents                        = 1024;
 164         builtin->maxTessControlTotalOutputComponents            = 4096;
 165         builtin->maxTessEvaluationInputComponents                       = 128;
 166         builtin->maxTessEvaluationOutputComponents                      = 128;
 167         builtin->maxTessEvaluationTextureImageUnits                     = 16;
 168         builtin->maxTessEvaluationUniformComponents                     = 1024;
 169         builtin->maxTessPatchComponents                                         = 120;
 170         builtin->maxPatchVertices                                                       = 32;
 171         builtin->maxTessGenLevel                                                        = 64;
 172         builtin->maxViewports                                                           = 16;
 173         builtin->maxVertexAtomicCounters                                        = 0;
 174         builtin->maxTessControlAtomicCounters                           = 0;
 175         builtin->maxTessEvaluationAtomicCounters                        = 0;
 176         builtin->maxGeometryAtomicCounters                                      = 0;
 177         builtin->maxFragmentAtomicCounters                                      = 8;
 178         builtin->maxCombinedAtomicCounters                                      = 8;
 179         builtin->maxAtomicCounterBindings                                       = 1;
 180         builtin->maxVertexAtomicCounterBuffers                          = 0;
 181         builtin->maxTessControlAtomicCounterBuffers                     = 0;
 182         builtin->maxTessEvaluationAtomicCounterBuffers          = 0;
 183         builtin->maxGeometryAtomicCounterBuffers                        = 0;
 184         builtin->maxFragmentAtomicCounterBuffers                        = 1;
 185         builtin->maxCombinedAtomicCounterBuffers                        = 1;
 186         builtin->maxAtomicCounterBufferSize                                     = 16384;
 187         builtin->maxTransformFeedbackBuffers                            = 4;
 188         builtin->maxTransformFeedbackInterleavedComponents      = 64;
 189         builtin->maxCullDistances                                                       = 8;
 190         builtin->maxCombinedClipAndCullDistances                        = 8;
 191         builtin->maxSamples                                                                     = 4;
 192 };
 193
 194 int getNumShaderStages (const GlslSource& program)
 195 {
 196         int numShaderStages = 0;
 197
 198         for (int shaderType = 0; shaderType < glu::SHADERTYPE_LAST; ++shaderType)
 199         {
 200                 if (!program.sources[shaderType].empty())
 201                         numShaderStages += 1;
 202         }
 203
 204         return numShaderStages;
 205 }
 206
 207 std::string getShaderStageSource (const GlslSource& program, glu::ShaderType shaderType)
 208 {
 209         if (program.sources[shaderType].size() != 1)
 210                 TCU_THROW(InternalError, "Linking multiple compilation units is not supported");
 211
 212         if ((program.buildOptions.flags & GlslBuildOptions::FLAG_USE_STORAGE_BUFFER_STORAGE_CLASS) != 0)
 213         {
 214                 // Hack to inject #pragma right after first #version statement
 215                 std::string src                 = program.sources[shaderType][0];
 216                 size_t          injectPos       = 0;
 217
 218                 if (de::beginsWith(src, "#version"))
 219                         injectPos = src.find('\n') + 1;
 220
 221                 src.insert(injectPos, "#pragma use_storage_buffer\n");
 222
 223                 return src;
 224         }
 225         else
 226                 return program.sources[shaderType][0];
 227 }
 228
 229 } // anonymous
 230
 231 bool compileGlslToSpirV (const GlslSource& program, std::vector<deUint32>* dst, glu::ShaderProgramInfo* buildInfo)
 232 {
 233         TBuiltInResource        builtinRes;
 234
 235         if (program.buildOptions.targetVersion != SPIRV_VERSION_1_0)
 236                 TCU_THROW(InternalError, "Unsupported SPIR-V target version");
 237
 238         if (getNumShaderStages(program) > 1)
 239                 TCU_THROW(InternalError, "Linking multiple shader stages into a single SPIR-V binary is not supported");
 240
 241         prepareGlslang();
 242         getDefaultBuiltInResources(&builtinRes);
 243
 244         // \note Compiles only first found shader
 245         for (int shaderType = 0; shaderType < glu::SHADERTYPE_LAST; shaderType++)
 246         {
 247                 if (!program.sources[shaderType].empty())
 248                 {
 249                         const std::string&              srcText                         = getShaderStageSource(program, (glu::ShaderType)shaderType);
 250                         const char*                             srcPtrs[]                       = { srcText.c_str() };
 251                         const int                               srcLengths[]            = { (int)srcText.size() };
 252                         const EShLanguage               shaderStage                     = getGlslangStage(glu::ShaderType(shaderType));
 253                         glslang::TShader                shader                          (shaderStage);
 254                         glslang::TProgram               program;
 255
 256                         shader.setStrings(srcPtrs, DE_LENGTH_OF_ARRAY(srcPtrs));
 257                         program.addShader(&shader);
 258
 259                         {
 260                                 const deUint64  compileStartTime        = deGetMicroseconds();
 261                                 const int               compileRes                      = shader.parse(&builtinRes, 110, false, (EShMessages)(EShMsgSpvRules | EShMsgVulkanRules));
 262                                 glu::ShaderInfo shaderBuildInfo;
 263
 264                                 shaderBuildInfo.type                    = (glu::ShaderType)shaderType;
 265                                 shaderBuildInfo.source                  = srcText;
 266                                 shaderBuildInfo.infoLog                 = shader.getInfoLog(); // \todo [2015-07-13 pyry] Include debug log?
 267                                 shaderBuildInfo.compileTimeUs   = deGetMicroseconds()-compileStartTime;
 268                                 shaderBuildInfo.compileOk               = (compileRes != 0);
 269
 270                                 buildInfo->shaders.push_back(shaderBuildInfo);
 271                         }
 272
 273                         DE_ASSERT(buildInfo->shaders.size() == 1);
 274                         if (buildInfo->shaders[0].compileOk)
 275                         {
 276                                 const deUint64  linkStartTime   = deGetMicroseconds();
 277                                 const int               linkRes                 = program.link((EShMessages)(EShMsgSpvRules | EShMsgVulkanRules));
 278
 279                                 buildInfo->program.infoLog              = program.getInfoLog(); // \todo [2015-11-05 scygan] Include debug log?
 280                                 buildInfo->program.linkOk               = (linkRes != 0);
 281                                 buildInfo->program.linkTimeUs   = deGetMicroseconds()-linkStartTime;
 282                         }
 283
 284                         if (buildInfo->program.linkOk)
 285                         {
 286                                 const glslang::TIntermediate* const     intermediate    = program.getIntermediate(shaderStage);
 287                                 glslang::GlslangToSpv(*intermediate, *dst);
 288                         }
 289
 290                         return buildInfo->program.linkOk;
 291                 }
 292         }
 293
 294         TCU_THROW(InternalError, "Can't compile empty program");
 295 }
 296
 297 void stripSpirVDebugInfo (const size_t numSrcInstrs, const deUint32* srcInstrs, std::vector<deUint32>* dst)
 298 {
 299         spv::spirvbin_t remapper;
 300
 301         // glslang operates in-place
 302         dst->resize(numSrcInstrs);
 303         std::copy(srcInstrs, srcInstrs+numSrcInstrs, dst->begin());
 304         remapper.remap(*dst, spv::spirvbin_base_t::STRIP);
 305 }
 306
 307 #else // defined(DEQP_HAVE_GLSLANG)
 308
 309 bool compileGlslToSpirV (const GlslSource&, std::vector<deUint32>*, glu::ShaderProgramInfo*)
 310 {
 311         TCU_THROW(NotSupportedError, "GLSL to SPIR-V compilation not supported (DEQP_HAVE_GLSLANG not defined)");
 312 }
 313
 314 void stripSpirVDebugInfo (const size_t, const deUint32*, std::vector<deUint32>*)
 315 {
 316         TCU_THROW(NotSupportedError, "SPIR-V stripping not supported (DEQP_HAVE_GLSLANG not defined)");
 317 }
 318
 319 #endif // defined(DEQP_HAVE_GLSLANG)
 320
 321 } // vk