Implement GL_ARB_shader_image_load_store. Partly done (format layout qualifiers) from a submission.
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@27670 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich
parent
e4423f5da1
commit
ddea678e3e
26 changed files with 674 additions and 83 deletions
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@ -845,7 +845,7 @@ void TBuiltIns::initialize(int version, EProfile profile)
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"void barrier();"
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);
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if (version >= 420)
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if (version >= 130)
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commonBuiltins.append(
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"void memoryBarrier();"
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);
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@ -1467,9 +1467,6 @@ void TBuiltIns::add2ndGenerationSamplingImaging(int version, EProfile profile)
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// enumerate all the types
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for (int image = 0; image <= 1; ++image) { // loop over "bool" image vs sampler
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if (image > 0 && version < 420)
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continue;
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for (int shadow = 0; shadow <= 1; ++shadow) { // loop over "bool" shadow or not
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for (int ms = 0; ms <=1; ++ms) {
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@ -1523,8 +1520,7 @@ void TBuiltIns::add2ndGenerationSamplingImaging(int version, EProfile profile)
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addImageFunctions(sampler, typeName, version, profile);
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else {
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addSamplingFunctions(sampler, typeName, version, profile);
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if (version >= 130)
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addGatherFunctions(sampler, typeName, version, profile);
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addGatherFunctions(sampler, typeName, version, profile);
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}
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}
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}
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@ -1577,7 +1573,63 @@ void TBuiltIns::addQueryFunctions(TSampler sampler, TString& typeName, int versi
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//
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void TBuiltIns::addImageFunctions(TSampler sampler, TString& typeName, int version, EProfile profile)
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{
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// TODO: 4.2 Functionality: imaging functions
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int dims = dimMap[sampler.dim] + (sampler.arrayed ? 1 : 0);
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TString imageParams = typeName;
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if (dims == 1)
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imageParams.append(", int");
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else {
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imageParams.append(", ivec");
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imageParams.append(postfixes[dims]);
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}
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if (sampler.ms)
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imageParams.append(", int");
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commonBuiltins.append(prefixes[sampler.type]);
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commonBuiltins.append("vec4 imageLoad(readonly ");
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commonBuiltins.append(imageParams);
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commonBuiltins.append(");\n");
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commonBuiltins.append("void imageStore(writeonly ");
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commonBuiltins.append(imageParams);
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commonBuiltins.append(", ");
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commonBuiltins.append(prefixes[sampler.type]);
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commonBuiltins.append("vec4);\n");
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if (sampler.type == EbtInt || sampler.type == EbtUint) {
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const char* dataType = sampler.type == EbtInt ? "int" : "uint";
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const int numBuiltins = 7;
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static const char* atomicFunc[numBuiltins] = {
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" imageAtomicAdd(",
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" imageAtomicMin(",
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" imageAtomicMax(",
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" imageAtomicAnd(",
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" imageAtomicOr(",
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" imageAtomicXor(",
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" imageAtomicExchange("
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};
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for (size_t i = 0; i < numBuiltins; ++i) {
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commonBuiltins.append(dataType);
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commonBuiltins.append(atomicFunc[i]);
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if (version >= 450)
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commonBuiltins.append("coherent ");
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commonBuiltins.append(imageParams);
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commonBuiltins.append(", ");
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commonBuiltins.append(dataType);
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commonBuiltins.append(");\n");
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}
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commonBuiltins.append(dataType);
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commonBuiltins.append(" imageAtomicCompSwap(");
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commonBuiltins.append(imageParams);
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commonBuiltins.append(", ");
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commonBuiltins.append(dataType);
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commonBuiltins.append(", ");
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commonBuiltins.append(dataType);
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commonBuiltins.append(");\n");
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}
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}
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//
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@ -2111,17 +2163,27 @@ void TBuiltIns::initialize(const TBuiltInResource &resources, int version, EProf
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}
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// images
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if (version >= 420) {
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//snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryImageUniforms = %d;", resources.);
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//snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryTextureImageUnits = %d;", resources.);
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//snprintf(builtInConstant, maxSize, "const int gl_MaxTessControlImageUniforms = %d;", resources.);
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//snprintf(builtInConstant, maxSize, "const int gl_MaxTessEvaluationImageUniforms = %d;", resources.);
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//snprintf(builtInConstant, maxSize, "const int gl_MaxImageUnits = %d;", resources.);
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//snprintf(builtInConstant, maxSize, "const int gl_MaxCombinedImageUnitsAndFragmentOutputs = %d;", resources.);
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//snprintf(builtInConstant, maxSize, "const int gl_MaxImageSamples = %d;", resources.);
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//snprintf(builtInConstant, maxSize, "const int gl_MaxVertexImageUniforms = %d;", resources.);
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//snprintf(builtInConstant, maxSize, "const int gl_MaxFragmentImageUniforms = %d;", resources.);
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//snprintf(builtInConstant, maxSize, "const int gl_MaxCombinedImageUniforms = %d;", resources.);
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if (version >= 130) {
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snprintf(builtInConstant, maxSize, "const int gl_MaxImageUnits = %d;", resources.maxImageUnits);
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s.append(builtInConstant);
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snprintf(builtInConstant, maxSize, "const int gl_MaxCombinedImageUnitsAndFragmentOutputs = %d;", resources.maxCombinedImageUnitsAndFragmentOutputs);
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s.append(builtInConstant);
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snprintf(builtInConstant, maxSize, "const int gl_MaxCombinedShaderOutputResources = %d;", resources.maxCombinedShaderOutputResources);
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s.append(builtInConstant);
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snprintf(builtInConstant, maxSize, "const int gl_MaxImageSamples = %d;", resources.maxImageSamples);
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s.append(builtInConstant);
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snprintf(builtInConstant, maxSize, "const int gl_MaxVertexImageUniforms = %d;", resources.maxVertexImageUniforms);
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s.append(builtInConstant);
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snprintf(builtInConstant, maxSize, "const int gl_MaxTessControlImageUniforms = %d;", resources.maxTessControlImageUniforms);
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s.append(builtInConstant);
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snprintf(builtInConstant, maxSize, "const int gl_MaxTessEvaluationImageUniforms = %d;", resources.maxTessEvaluationImageUniforms);
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s.append(builtInConstant);
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snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryImageUniforms = %d;", resources.maxGeometryImageUniforms);
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s.append(builtInConstant);
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snprintf(builtInConstant, maxSize, "const int gl_MaxFragmentImageUniforms = %d;", resources.maxFragmentImageUniforms);
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s.append(builtInConstant);
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snprintf(builtInConstant, maxSize, "const int gl_MaxCombinedImageUniforms = %d;", resources.maxCombinedImageUniforms);
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s.append(builtInConstant);
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}
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// compute
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@ -2264,6 +2326,11 @@ void IdentifyBuiltIns(int version, EProfile profile, EShLanguage language, TSymb
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symbolTable.setFunctionExtensions("textureCubeGradEXT", 1, &GL_EXT_shader_texture_lod);
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}
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// GL_ARB_shader_image_load_store
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if (version < 420)
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symbolTable.setFunctionExtensions("memoryBarrier", 1, &GL_ARB_shader_image_load_store);
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// All the image access functions are protected by checks on the type of the first argument.
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symbolTable.setVariableExtensions("gl_FragDepthEXT", 1, &GL_EXT_frag_depth);
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break;
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@ -967,18 +967,32 @@ TIntermTyped* TParseContext::handleFunctionCall(TSourceLoc loc, TFunction* funct
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requireExtensions(loc, fnCandidate->getNumExtensions(), fnCandidate->getExtensions(), fnCandidate->getName().c_str());
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if (arguments) {
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// Make sure storage qualifications work for these arguments.
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// Make sure qualifications work for these arguments.
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TIntermAggregate* aggregate = arguments->getAsAggregate();
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for (int i = 0; i < fnCandidate->getParamCount(); ++i) {
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TStorageQualifier qual = (*fnCandidate)[i].type->getQualifier().storage;
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if (qual == EvqOut || qual == EvqInOut) {
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// At this early point there is a slight ambiguity between whether an aggregate 'arguments'
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// is the single argument itself or its children are the arguments. Only one argument
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// means take 'arguments' itself as the one argument.
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TIntermNode* arg = fnCandidate->getParamCount() == 1 ? arguments : (aggregate ? aggregate->getSequence()[i] : arguments);
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// At this early point there is a slight ambiguity between whether an aggregate 'arguments'
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// is the single argument itself or its children are the arguments. Only one argument
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// means take 'arguments' itself as the one argument.
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TIntermNode* arg = fnCandidate->getParamCount() == 1 ? arguments : (aggregate ? aggregate->getSequence()[i] : arguments);
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TQualifier& formalQualifier = (*fnCandidate)[i].type->getQualifier();
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if (formalQualifier.storage == EvqOut || formalQualifier.storage == EvqInOut) {
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if (lValueErrorCheck(arguments->getLoc(), "assign", arg->getAsTyped()))
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error(arguments->getLoc(), "Non-L-value cannot be passed for 'out' or 'inout' parameters.", "out", "");
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}
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TQualifier& argQualifier = arg->getAsTyped()->getQualifier();
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if (argQualifier.isMemory()) {
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const char* message = "argument cannot drop memory qualifier when passed to formal parameter";
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if (argQualifier.volatil && ! formalQualifier.volatil)
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error(arguments->getLoc(), message, "volatile", "");
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if (argQualifier.coherent && ! formalQualifier.coherent)
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error(arguments->getLoc(), message, "coherent", "");
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if (argQualifier.restrict && ! formalQualifier.restrict)
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error(arguments->getLoc(), message, "restrict", "");
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if (argQualifier.readonly && ! formalQualifier.readonly)
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error(arguments->getLoc(), message, "readonly", "");
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if (argQualifier.writeonly && ! formalQualifier.writeonly)
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error(arguments->getLoc(), message, "writeonly", "");
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}
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}
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// Convert 'in' arguments
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@ -1273,6 +1287,14 @@ void TParseContext::nonOpBuiltInCheck(TSourceLoc loc, const TFunction& fnCandida
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}
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}
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}
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if (fnCandidate.getName().compare(0, 11, "imageAtomic") == 0) {
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const TType& imageType = callNode.getSequence()[0]->getAsTyped()->getType();
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if (imageType.getSampler().type == EbtInt || imageType.getSampler().type == EbtUint) {
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if (imageType.getQualifier().layoutFormat != ElfR32i && imageType.getQualifier().layoutFormat != ElfR32ui)
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error(loc, "only supported on image with format r32i or r32ui", fnCandidate.getName().c_str(), "");
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} else
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error(loc, "only supported on integer images", fnCandidate.getName().c_str(), "");
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}
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}
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//
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@ -2651,6 +2673,13 @@ void TParseContext::paramCheckFix(TSourceLoc loc, const TStorageQualifier& quali
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void TParseContext::paramCheckFix(TSourceLoc loc, const TQualifier& qualifier, TType& type)
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{
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if (qualifier.isMemory()) {
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type.getQualifier().volatil = qualifier.volatil;
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type.getQualifier().coherent = qualifier.coherent;
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type.getQualifier().readonly = qualifier.readonly;
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type.getQualifier().writeonly = qualifier.writeonly;
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type.getQualifier().restrict = qualifier.restrict;
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}
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if (qualifier.isAuxiliary() ||
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qualifier.isInterpolation())
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error(loc, "cannot use auxiliary or interpolation qualifiers on a function parameter", "", "");
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@ -2898,6 +2927,14 @@ void TParseContext::setLayoutQualifier(TSourceLoc loc, TPublicType& publicType,
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publicType.qualifier.layoutPacking = ElpStd430;
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return;
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}
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for (TLayoutFormat format = (TLayoutFormat)(ElfNone + 1); format < ElfCount; format = (TLayoutFormat)(format + 1)) {
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if (id == TQualifier::getLayoutFormatString(format)) {
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requireProfile(loc, ENoProfile | ECoreProfile | ECompatibilityProfile, "image load store");
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profileRequires(loc, ENoProfile | ECoreProfile | ECompatibilityProfile, 420, GL_ARB_shader_image_load_store, "image load store");
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publicType.qualifier.layoutFormat = format;
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return;
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}
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}
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if (language == EShLangGeometry || language == EShLangTessEvaluation) {
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if (id == TQualifier::getGeometryString(ElgTriangles)) {
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publicType.shaderQualifiers.geometry = ElgTriangles;
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@ -2987,8 +3024,14 @@ void TParseContext::setLayoutQualifier(TSourceLoc loc, TPublicType& publicType,
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publicType.shaderQualifiers.pixelCenterInteger = true;
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return;
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}
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if (id == "early_fragment_tests") {
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requireProfile(loc, ENoProfile | ECoreProfile | ECompatibilityProfile, "early_fragment_tests");
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profileRequires(loc, ENoProfile | ECoreProfile | ECompatibilityProfile, 420, GL_ARB_shader_image_load_store, "early_fragment_tests");
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publicType.shaderQualifiers.earlyFragmentTests = true;
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return;
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}
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}
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error(loc, "unrecognized layout identifier, or qualifier requires assignemnt (e.g., binding = 4)", id.c_str(), "");
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error(loc, "unrecognized layout identifier, or qualifier requires assignment (e.g., binding = 4)", id.c_str(), "");
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}
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// Put the id's layout qualifier value into the public type. This is before we know any
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@ -3169,6 +3212,9 @@ void TParseContext::mergeObjectLayoutQualifiers(TSourceLoc loc, TQualifier& dst,
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if (src.hasStream())
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dst.layoutStream = src.layoutStream;
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if (src.hasFormat())
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dst.layoutFormat = src.layoutFormat;
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if (src.hasXfbBuffer())
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dst.layoutXfbBuffer = src.layoutXfbBuffer;
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@ -3332,6 +3378,23 @@ void TParseContext::layoutTypeCheck(TSourceLoc loc, const TType& type)
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if (type.getBasicType() == EbtBlock)
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error(loc, "only applies to block members, not blocks", "offset", "");
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}
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// Image format
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if (qualifier.hasFormat()) {
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if (type.getBasicType() != EbtSampler || ! type.getSampler().image)
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error(loc, "only apply to images", TQualifier::getLayoutFormatString(qualifier.layoutFormat), "");
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else {
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if (type.getSampler().type == EbtFloat && qualifier.layoutFormat > ElfFloatGuard)
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error(loc, "does not apply to floating point images", TQualifier::getLayoutFormatString(qualifier.layoutFormat), "");
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if (type.getSampler().type == EbtInt && (qualifier.layoutFormat < ElfFloatGuard || qualifier.layoutFormat > ElfIntGuard))
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error(loc, "does not apply to signed integer images", TQualifier::getLayoutFormatString(qualifier.layoutFormat), "");
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if (type.getSampler().type == EbtUint && qualifier.layoutFormat < ElfIntGuard)
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error(loc, "does not apply to unsigned integer images", TQualifier::getLayoutFormatString(qualifier.layoutFormat), "");
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}
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} else if (type.getBasicType() == EbtSampler && type.getSampler().image && !qualifier.writeonly)
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error(loc, "image variables not declared 'writeonly' must have a format layout qualifier", "", "");
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if (qualifier.isMemory() && (type.getBasicType() != EbtSampler || ! type.getSampler().image))
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error(loc, "memory qualifiers can only be used on image types", "", "");
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}
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// Do layout error checking that can be done within a qualifier proper, not needing to know
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@ -4498,6 +4561,12 @@ void TParseContext::updateStandaloneQualifierDefaults(TSourceLoc loc, const TPub
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else
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error(loc, "can only apply to 'in'", "point_mode", "");
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}
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if (publicType.shaderQualifiers.earlyFragmentTests) {
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if (publicType.qualifier.storage == EvqVaryingIn)
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intermediate.setEarlyFragmentTests();
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else
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error(loc, "can only apply to 'in'", "early_fragment_tests", "");
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}
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const TQualifier& qualifier = publicType.qualifier;
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@ -672,15 +672,17 @@ int TScanContext::tokenizeIdentifier()
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return identifierOrType();
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return keyword;
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case ATOMIC_UINT:
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return es30ReservedFromGLSL(420);
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case COHERENT:
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case RESTRICT:
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case READONLY:
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case WRITEONLY:
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case ATOMIC_UINT:
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return es30ReservedFromGLSL(420);
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return es30ReservedFromGLSL(parseContext.extensionsTurnedOn(1, &GL_ARB_shader_image_load_store) ? 130 : 420);
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case VOLATILE:
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if (parseContext.profile == EEsProfile || parseContext.version < 420)
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if (! parseContext.symbolTable.atBuiltInLevel() && (parseContext.profile == EEsProfile || (parseContext.version < 420 && ! parseContext.extensionsTurnedOn(1, &GL_ARB_shader_image_load_store))))
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reservedWord();
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return keyword;
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@ -766,7 +768,7 @@ int TScanContext::tokenizeIdentifier()
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case IMAGECUBEARRAY:
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case IIMAGECUBEARRAY:
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case UIMAGECUBEARRAY:
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case UIMAGECUBEARRAY:
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case IMAGE2DMS:
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case IIMAGE2DMS:
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case UIMAGE2DMS:
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@ -993,6 +995,9 @@ int TScanContext::identifierOrReserved(bool reserved)
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// but then got reserved by ES 3.0.
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int TScanContext::es30ReservedFromGLSL(int version)
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{
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if (parseContext.symbolTable.atBuiltInLevel())
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return keyword;
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if ((parseContext.profile == EEsProfile && parseContext.version < 300) ||
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(parseContext.profile != EEsProfile && parseContext.version < version)) {
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if (parseContext.forwardCompatible)
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@ -1067,7 +1072,7 @@ int TScanContext::firstGenerationImage()
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{
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afterType = true;
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if (parseContext.profile != EEsProfile && parseContext.version >= 420)
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if (parseContext.symbolTable.atBuiltInLevel() || (parseContext.profile != EEsProfile && (parseContext.version >= 420 || parseContext.extensionsTurnedOn(1, &GL_ARB_shader_image_load_store))))
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return keyword;
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if ((parseContext.profile == EEsProfile && parseContext.version >= 300) ||
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@ -1087,7 +1092,7 @@ int TScanContext::secondGenerationImage()
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{
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afterType = true;
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if (parseContext.profile != EEsProfile && parseContext.version >= 420)
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if (parseContext.symbolTable.atBuiltInLevel() || parseContext.profile != EEsProfile && (parseContext.version >= 420 || parseContext.extensionsTurnedOn(1, &GL_ARB_shader_image_load_store)))
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return keyword;
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if (parseContext.forwardCompatible)
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@ -166,6 +166,7 @@ void TParseContext::initializeExtensionBehavior()
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extensionBehavior[GL_ARB_texture_cube_map_array] = EBhDisable;
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extensionBehavior[GL_ARB_shader_texture_lod] = EBhDisable;
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extensionBehavior[GL_ARB_explicit_attrib_location] = EBhDisablePartial; // "index" for fragment outputs is missing
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extensionBehavior[GL_ARB_shader_image_load_store] = EBhDisable;
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}
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// Get code that is not part of a shared symbol table, is specific to this shader,
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@ -203,7 +204,8 @@ const char* TParseContext::getPreamble()
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"#define GL_ARB_enhanced_layouts 1\n"
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"#define GL_ARB_texture_cube_map_array 1\n"
|
||||
"#define GL_ARB_shader_texture_lod 1\n"
|
||||
"#define GL_ARB_explicit_attrib_location 1\n";
|
||||
"#define GL_ARB_explicit_attrib_location 1\n"
|
||||
"#define GL_ARB_shader_image_load_store 1\n";
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -90,6 +90,7 @@ const char* const GL_ARB_enhanced_layouts = "GL_ARB_enhanced_layouts";
|
|||
const char* const GL_ARB_texture_cube_map_array = "GL_ARB_texture_cube_map_array";
|
||||
const char* const GL_ARB_shader_texture_lod = "GL_ARB_shader_texture_lod";
|
||||
const char* const GL_ARB_explicit_attrib_location = "GL_ARB_explicit_attrib_location";
|
||||
const char* const GL_ARB_shader_image_load_store = "GL_ARB_shader_image_load_store";
|
||||
|
||||
} // end namespace glslang
|
||||
|
||||
|
|
|
|||
|
|
@ -611,6 +611,8 @@ void TIntermediate::output(TInfoSink& infoSink, bool tree)
|
|||
infoSink.debug << "gl_FragCoord pixel center is integer\n";
|
||||
if (originUpperLeft)
|
||||
infoSink.debug << "gl_FragCoord origin is upper left\n";
|
||||
if (earlyFragmentTests)
|
||||
infoSink.debug << "using early_fragment_tests\n";
|
||||
break;
|
||||
|
||||
case EShLangCompute:
|
||||
|
|
|
|||
|
|
@ -80,6 +80,9 @@ void TIntermediate::merge(TInfoSink& infoSink, TIntermediate& unit)
|
|||
if (originUpperLeft != unit.originUpperLeft || pixelCenterInteger != unit.pixelCenterInteger)
|
||||
error(infoSink, "gl_FragCoord redeclarations must match across shaders\n");
|
||||
|
||||
if (! earlyFragmentTests)
|
||||
earlyFragmentTests = unit.earlyFragmentTests;
|
||||
|
||||
if (inputPrimitive == ElgNone)
|
||||
inputPrimitive = unit.inputPrimitive;
|
||||
else if (inputPrimitive != unit.inputPrimitive)
|
||||
|
|
|
|||
|
|
@ -112,7 +112,7 @@ public:
|
|||
explicit TIntermediate(EShLanguage l, int v = 0, EProfile p = ENoProfile) : language(l), treeRoot(0), profile(p), version(v),
|
||||
numMains(0), numErrors(0), recursive(false),
|
||||
invocations(0), vertices(0), inputPrimitive(ElgNone), outputPrimitive(ElgNone), pixelCenterInteger(false), originUpperLeft(false),
|
||||
vertexSpacing(EvsNone), vertexOrder(EvoNone), pointMode(false), xfbMode(false)
|
||||
vertexSpacing(EvsNone), vertexOrder(EvoNone), pointMode(false), earlyFragmentTests(false), xfbMode(false)
|
||||
{
|
||||
xfbBuffers.resize(TQualifier::layoutXfbBufferEnd);
|
||||
}
|
||||
|
|
@ -235,6 +235,8 @@ public:
|
|||
bool getOriginUpperLeft() const { return originUpperLeft; }
|
||||
void setPixelCenterInteger() { pixelCenterInteger = true; }
|
||||
bool getPixelCenterInteger() const { return pixelCenterInteger; }
|
||||
void setEarlyFragmentTests() { earlyFragmentTests = true; }
|
||||
bool getEarlyFragmentTests() const { return earlyFragmentTests; }
|
||||
|
||||
void addToCallGraph(TInfoSink&, const TString& caller, const TString& callee);
|
||||
void merge(TInfoSink&, TIntermediate&);
|
||||
|
|
@ -287,6 +289,7 @@ protected:
|
|||
TVertexSpacing vertexSpacing;
|
||||
TVertexOrder vertexOrder;
|
||||
bool pointMode;
|
||||
bool earlyFragmentTests;
|
||||
bool xfbMode;
|
||||
|
||||
typedef std::list<TCall> TGraph;
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue