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 "deMutex.hpp" 27 #include "deSingleton.h" 28 #include "deMemory.h" 29 #include "deClock.h" 30 #include "qpDebugOut.h" 31 32 #if defined(DEQP_HAVE_GLSLANG) 33 # include "SPIRV/GlslangToSpv.h" 34 # include "SPIRV/disassemble.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 static de::Mutex s_glslangLock; 69 70 void initGlslang (void*) 71 { 72 // Main compiler 73 glslang::InitializeProcess(); 74 75 // SPIR-V disassembly 76 spv::Parameterize(); 77 } 78 79 void prepareGlslang (void) 80 { 81 deInitSingleton(&s_glslangInitState, initGlslang, DE_NULL); 82 } 83 84 // \todo [2015-06-19 pyry] Specialize these per GLSL version 85 86 // Fail compilation if more members are added to TLimits or TBuiltInResource 87 struct LimitsSizeHelper_s { bool m0, m1, m2, m3, m4, m5, m6, m7, m8; }; 88 struct BuiltInResourceSizeHelper_s { int m[83]; LimitsSizeHelper_s l; }; 89 90 DE_STATIC_ASSERT(sizeof(TLimits) == sizeof(LimitsSizeHelper_s)); 91 DE_STATIC_ASSERT(sizeof(TBuiltInResource) == sizeof(BuiltInResourceSizeHelper_s)); 92 93 void getDefaultLimits (TLimits* limits) 94 { 95 limits->nonInductiveForLoops = true; 96 limits->whileLoops = true; 97 limits->doWhileLoops = true; 98 limits->generalUniformIndexing = true; 99 limits->generalAttributeMatrixVectorIndexing = true; 100 limits->generalVaryingIndexing = true; 101 limits->generalSamplerIndexing = true; 102 limits->generalVariableIndexing = true; 103 limits->generalConstantMatrixVectorIndexing = true; 104 } 105 106 void getDefaultBuiltInResources (TBuiltInResource* builtin) 107 { 108 getDefaultLimits(&builtin->limits); 109 110 builtin->maxLights = 32; 111 builtin->maxClipPlanes = 6; 112 builtin->maxTextureUnits = 32; 113 builtin->maxTextureCoords = 32; 114 builtin->maxVertexAttribs = 64; 115 builtin->maxVertexUniformComponents = 4096; 116 builtin->maxVaryingFloats = 64; 117 builtin->maxVertexTextureImageUnits = 32; 118 builtin->maxCombinedTextureImageUnits = 80; 119 builtin->maxTextureImageUnits = 32; 120 builtin->maxFragmentUniformComponents = 4096; 121 builtin->maxDrawBuffers = 32; 122 builtin->maxVertexUniformVectors = 128; 123 builtin->maxVaryingVectors = 8; 124 builtin->maxFragmentUniformVectors = 16; 125 builtin->maxVertexOutputVectors = 16; 126 builtin->maxFragmentInputVectors = 15; 127 builtin->minProgramTexelOffset = -8; 128 builtin->maxProgramTexelOffset = 7; 129 builtin->maxClipDistances = 8; 130 builtin->maxComputeWorkGroupCountX = 65535; 131 builtin->maxComputeWorkGroupCountY = 65535; 132 builtin->maxComputeWorkGroupCountZ = 65535; 133 builtin->maxComputeWorkGroupSizeX = 1024; 134 builtin->maxComputeWorkGroupSizeY = 1024; 135 builtin->maxComputeWorkGroupSizeZ = 64; 136 builtin->maxComputeUniformComponents = 1024; 137 builtin->maxComputeTextureImageUnits = 16; 138 builtin->maxComputeImageUniforms = 8; 139 builtin->maxComputeAtomicCounters = 8; 140 builtin->maxComputeAtomicCounterBuffers = 1; 141 builtin->maxVaryingComponents = 60; 142 builtin->maxVertexOutputComponents = 64; 143 builtin->maxGeometryInputComponents = 64; 144 builtin->maxGeometryOutputComponents = 128; 145 builtin->maxFragmentInputComponents = 128; 146 builtin->maxImageUnits = 8; 147 builtin->maxCombinedImageUnitsAndFragmentOutputs = 8; 148 builtin->maxCombinedShaderOutputResources = 8; 149 builtin->maxImageSamples = 0; 150 builtin->maxVertexImageUniforms = 0; 151 builtin->maxTessControlImageUniforms = 0; 152 builtin->maxTessEvaluationImageUniforms = 0; 153 builtin->maxGeometryImageUniforms = 0; 154 builtin->maxFragmentImageUniforms = 8; 155 builtin->maxCombinedImageUniforms = 8; 156 builtin->maxGeometryTextureImageUnits = 16; 157 builtin->maxGeometryOutputVertices = 256; 158 builtin->maxGeometryTotalOutputComponents = 1024; 159 builtin->maxGeometryUniformComponents = 1024; 160 builtin->maxGeometryVaryingComponents = 64; 161 builtin->maxTessControlInputComponents = 128; 162 builtin->maxTessControlOutputComponents = 128; 163 builtin->maxTessControlTextureImageUnits = 16; 164 builtin->maxTessControlUniformComponents = 1024; 165 builtin->maxTessControlTotalOutputComponents = 4096; 166 builtin->maxTessEvaluationInputComponents = 128; 167 builtin->maxTessEvaluationOutputComponents = 128; 168 builtin->maxTessEvaluationTextureImageUnits = 16; 169 builtin->maxTessEvaluationUniformComponents = 1024; 170 builtin->maxTessPatchComponents = 120; 171 builtin->maxPatchVertices = 32; 172 builtin->maxTessGenLevel = 64; 173 builtin->maxViewports = 16; 174 builtin->maxVertexAtomicCounters = 0; 175 builtin->maxTessControlAtomicCounters = 0; 176 builtin->maxTessEvaluationAtomicCounters = 0; 177 builtin->maxGeometryAtomicCounters = 0; 178 builtin->maxFragmentAtomicCounters = 8; 179 builtin->maxCombinedAtomicCounters = 8; 180 builtin->maxAtomicCounterBindings = 1; 181 builtin->maxVertexAtomicCounterBuffers = 0; 182 builtin->maxTessControlAtomicCounterBuffers = 0; 183 builtin->maxTessEvaluationAtomicCounterBuffers = 0; 184 builtin->maxGeometryAtomicCounterBuffers = 0; 185 builtin->maxFragmentAtomicCounterBuffers = 1; 186 builtin->maxCombinedAtomicCounterBuffers = 1; 187 builtin->maxAtomicCounterBufferSize = 16384; 188 builtin->maxTransformFeedbackBuffers = 4; 189 builtin->maxTransformFeedbackInterleavedComponents = 64; 190 builtin->maxCullDistances = 8; 191 builtin->maxCombinedClipAndCullDistances = 8; 192 builtin->maxSamples = 4; 193 }; 194 195 } // anonymous 196 197 int getNumShaderStages (const glu::ProgramSources& program) 198 { 199 int numShaderStages = 0; 200 201 for (int shaderType = 0; shaderType < glu::SHADERTYPE_LAST; ++shaderType) 202 { 203 if (!program.sources[shaderType].empty()) 204 numShaderStages += 1; 205 } 206 207 return numShaderStages; 208 } 209 210 bool compileGlslToSpirV (const glu::ProgramSources& program, std::vector<deUint32>* dst, glu::ShaderProgramInfo* buildInfo) 211 { 212 TBuiltInResource builtinRes; 213 214 if (getNumShaderStages(program) > 1) 215 TCU_THROW(InternalError, "Linking multiple shader stages into a single SPIR-V binary is not supported"); 216 217 prepareGlslang(); 218 getDefaultBuiltInResources(&builtinRes); 219 220 // \note Compiles only first found shader 221 for (int shaderType = 0; shaderType < glu::SHADERTYPE_LAST; shaderType++) 222 { 223 if (!program.sources[shaderType].empty()) 224 { 225 const de::ScopedLock compileLock (s_glslangLock); 226 const std::string& srcText = program.sources[shaderType][0]; 227 const char* srcPtrs[] = { srcText.c_str() }; 228 const int srcLengths[] = { (int)srcText.size() }; 229 const EShLanguage shaderStage = getGlslangStage(glu::ShaderType(shaderType)); 230 glslang::TShader shader (shaderStage); 231 glslang::TProgram program; 232 233 shader.setStrings(srcPtrs, DE_LENGTH_OF_ARRAY(srcPtrs)); 234 program.addShader(&shader); 235 236 { 237 const deUint64 compileStartTime = deGetMicroseconds(); 238 const int compileRes = shader.parse(&builtinRes, 110, false, (EShMessages)(EShMsgSpvRules | EShMsgVulkanRules)); 239 glu::ShaderInfo shaderBuildInfo; 240 241 shaderBuildInfo.type = (glu::ShaderType)shaderType; 242 shaderBuildInfo.source = srcText; 243 shaderBuildInfo.infoLog = shader.getInfoLog(); // \todo [2015-07-13 pyry] Include debug log? 244 shaderBuildInfo.compileTimeUs = deGetMicroseconds()-compileStartTime; 245 shaderBuildInfo.compileOk = (compileRes != 0); 246 247 buildInfo->shaders.push_back(shaderBuildInfo); 248 } 249 250 DE_ASSERT(buildInfo->shaders.size() == 1); 251 if (buildInfo->shaders[0].compileOk) 252 { 253 const deUint64 linkStartTime = deGetMicroseconds(); 254 const int linkRes = program.link((EShMessages)(EShMsgSpvRules | EShMsgVulkanRules)); 255 256 buildInfo->program.infoLog = program.getInfoLog(); // \todo [2015-11-05 scygan] Include debug log? 257 buildInfo->program.linkOk = (linkRes != 0); 258 buildInfo->program.linkTimeUs = deGetMicroseconds()-linkStartTime; 259 } 260 261 if (buildInfo->program.linkOk) 262 { 263 const glslang::TIntermediate* const intermediate = program.getIntermediate(shaderStage); 264 glslang::GlslangToSpv(*intermediate, *dst); 265 } 266 267 return buildInfo->program.linkOk; 268 } 269 } 270 271 TCU_THROW(InternalError, "Can't compile empty program"); 272 } 273 274 #else // defined(DEQP_HAVE_GLSLANG) 275 276 bool compileGlslToSpirV (const glu::ProgramSources&, std::vector<deUint32>*, glu::ShaderProgramInfo*) 277 { 278 TCU_THROW(NotSupportedError, "GLSL to SPIR-V compilation not supported (DEQP_HAVE_GLSLANG not defined)"); 279 } 280 281 #endif // defined(DEQP_HAVE_GLSLANG) 282 283 } // vk 284
