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Implement extension GL_AMD_shader_image_load_store_lod

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This commit is contained in:
Rex Xu 2017-07-05 17:23:28 +08:00
parent 3d1b709676
commit 129799a709
12 changed files with 298 additions and 1 deletions
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12
glslang/Include/intermediate.h
View file

@ -593,6 +593,10 @@ enum TOperator {
EOpImageQuerySamples,
EOpImageLoad,
EOpImageStore,
#ifdef AMD_EXTENSIONS
EOpImageLoadLod,
EOpImageStoreLod,
#endif
EOpImageAtomicAdd,
EOpImageAtomicMin,
EOpImageAtomicMax,
@ -605,6 +609,9 @@ enum TOperator {
EOpSubpassLoad,
EOpSubpassLoadMS,
EOpSparseImageLoad,
#ifdef AMD_EXTENSIONS
EOpSparseImageLoadLod,
#endif
EOpImageGuardEnd,
@ -1198,6 +1205,11 @@ public:
cracked.offsets = true;
cracked.lod = true;
break;
case EOpImageLoadLod:
case EOpImageStoreLod:
case EOpSparseImageLoadLod:
cracked.lod = true;
break;
#endif
case EOpSubpassLoad:
case EOpSubpassLoadMS:

48
glslang/MachineIndependent/Initialize.cpp
View file

@ -4238,6 +4238,43 @@ void TBuiltIns::addImageFunctions(TSampler sampler, const TString& typeName, int
}
}
}
#ifdef AMD_EXTENSIONS
if (sampler.dim == EsdRect || sampler.dim == EsdBuffer || sampler.shadow || sampler.ms)
return;
if (profile == EEsProfile || version < 450)
return;
TString imageLodParams = typeName;
if (dims == 1)
imageLodParams.append(", int");
else {
imageLodParams.append(", ivec");
imageLodParams.append(postfixes[dims]);
}
imageLodParams.append(", int");
commonBuiltins.append(prefixes[sampler.type]);
commonBuiltins.append("vec4 imageLoadLodAMD(readonly volatile coherent ");
commonBuiltins.append(imageLodParams);
commonBuiltins.append(");\n");
commonBuiltins.append("void imageStoreLodAMD(writeonly volatile coherent ");
commonBuiltins.append(imageLodParams);
commonBuiltins.append(", ");
commonBuiltins.append(prefixes[sampler.type]);
commonBuiltins.append("vec4);\n");
if (sampler.dim != Esd1D) {
commonBuiltins.append("int sparseImageLoadLodAMD(readonly volatile coherent ");
commonBuiltins.append(imageLodParams);
commonBuiltins.append(", out ");
commonBuiltins.append(prefixes[sampler.type]);
commonBuiltins.append("vec4");
commonBuiltins.append(");\n");
}
#endif
}
//
@ -5710,6 +5747,13 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
symbolTable.setFunctionExtensions("sparseTextureGatherLodOffsetAMD", 1, &E_GL_AMD_texture_gather_bias_lod);
symbolTable.setFunctionExtensions("sparseTextureGatherLodOffsetsAMD", 1, &E_GL_AMD_texture_gather_bias_lod);
}
// E_GL_AMD_shader_image_load_store_lod
if (profile != EEsProfile) {
symbolTable.setFunctionExtensions("imageLoadLodAMD", 1, &E_GL_AMD_shader_image_load_store_lod);
symbolTable.setFunctionExtensions("imageStoreLodAMD", 1, &E_GL_AMD_shader_image_load_store_lod);
symbolTable.setFunctionExtensions("sparseImageLoadLodAMD", 1, &E_GL_AMD_shader_image_load_store_lod);
}
#endif
symbolTable.setVariableExtensions("gl_FragDepthEXT", 1, &E_GL_EXT_frag_depth);
@ -6146,6 +6190,10 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
symbolTable.relateToOperator("sparseTextureGatherLodAMD", EOpSparseTextureGatherLod);
symbolTable.relateToOperator("sparseTextureGatherLodOffsetAMD", EOpSparseTextureGatherLodOffset);
symbolTable.relateToOperator("sparseTextureGatherLodOffsetsAMD", EOpSparseTextureGatherLodOffsets);
symbolTable.relateToOperator("imageLoadLodAMD", EOpImageLoadLod);
symbolTable.relateToOperator("imageStoreLodAMD", EOpImageStoreLod);
symbolTable.relateToOperator("sparseImageLoadLodAMD", EOpSparseImageLoadLod);
#endif
}
if (profile == EEsProfile) {

6
glslang/MachineIndependent/ParseHelper.cpp
View file

@ -1144,7 +1144,13 @@ void TParseContext::computeBuiltinPrecisions(TIntermTyped& node, const TFunction
operationPrecision = std::max(operationPrecision, function[arg].type->getQualifier().precision);
}
// compute the result precision
#ifdef AMD_EXTENSIONS
if (agg->isSampling() ||
agg->getOp() == EOpImageLoad || agg->getOp() == EOpImageStore ||
agg->getOp() == EOpImageLoadLod || agg->getOp() == EOpImageStoreLod)
#else
if (agg->isSampling() || agg->getOp() == EOpImageLoad || agg->getOp() == EOpImageStore)
#endif
resultPrecision = sequence[0]->getAsTyped()->getQualifier().precision;
else if (function.getType().getBasicType() != EbtBool)
resultPrecision = function.getType().getQualifier().precision == EpqNone ?

2
glslang/MachineIndependent/Versions.cpp
View file

@ -200,6 +200,7 @@ void TParseVersions::initializeExtensionBehavior()
extensionBehavior[E_GL_AMD_gpu_shader_half_float] = EBhDisable;
extensionBehavior[E_GL_AMD_texture_gather_bias_lod] = EBhDisable;
extensionBehavior[E_GL_AMD_gpu_shader_int16] = EBhDisable;
extensionBehavior[E_GL_AMD_shader_image_load_store_lod] = EBhDisable;
#endif
#ifdef NV_EXTENSIONS
@ -331,6 +332,7 @@ void TParseVersions::getPreamble(std::string& preamble)
"#define GL_AMD_gpu_shader_half_float 1\n"
"#define GL_AMD_texture_gather_bias_lod 1\n"
"#define GL_AMD_gpu_shader_int16 1\n"
"#define GL_AMD_shader_image_load_store_lod 1\n"
#endif
#ifdef NV_EXTENSIONS

1
glslang/MachineIndependent/Versions.h
View file

@ -170,6 +170,7 @@ const char* const E_GL_AMD_gcn_shader = "GL_AMD_gcn_sh
const char* const E_GL_AMD_gpu_shader_half_float = "GL_AMD_gpu_shader_half_float";
const char* const E_GL_AMD_texture_gather_bias_lod = "GL_AMD_texture_gather_bias_lod";
const char* const E_GL_AMD_gpu_shader_int16 = "GL_AMD_gpu_shader_int16";
const char* const E_GL_AMD_shader_image_load_store_lod = "GL_AMD_shader_image_load_store_lod";
#endif
#ifdef NV_EXTENSIONS

5
glslang/MachineIndependent/intermOut.cpp
View file

@ -704,6 +704,10 @@ bool TOutputTraverser::visitAggregate(TVisit /* visit */, TIntermAggregate* node
case EOpImageAtomicXor: out.debug << "imageAtomicXor"; break;
case EOpImageAtomicExchange: out.debug << "imageAtomicExchange"; break;
case EOpImageAtomicCompSwap: out.debug << "imageAtomicCompSwap"; break;
#ifdef AMD_EXTENSIONS
case EOpImageLoadLod: out.debug << "imageLoadLod"; break;
case EOpImageStoreLod: out.debug << "imageStoreLod"; break;
#endif
case EOpTextureQuerySize: out.debug << "textureSize"; break;
case EOpTextureQueryLod: out.debug << "textureQueryLod"; break;
@ -756,6 +760,7 @@ bool TOutputTraverser::visitAggregate(TVisit /* visit */, TIntermAggregate* node
case EOpSparseTextureGatherLod: out.debug << "sparseTextureGatherLod"; break;
case EOpSparseTextureGatherLodOffset: out.debug << "sparseTextureGatherLodOffset"; break;
case EOpSparseTextureGatherLodOffsets: out.debug << "sparseTextureGatherLodOffsets"; break;
case EOpSparseImageLoadLod: out.debug << "sparseImageLoadLod"; break;
#endif
case EOpAddCarry: out.debug << "addCarry"; break;