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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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48
glslang/MachineIndependent/Initialize.cpp
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@ -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) {