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SPV: Fix #1487: Only declare AMD int16/half_float extensions when needed.

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This commit is contained in:
John Kessenich
2018-09-10 18:10:51 -06:00
parent 546b78854a
commit afe0c66f65
9 changed files with 19 additions and 21 deletions
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12
SPIRV/GlslangToSpv.cpp Normal file → Executable file
View File

@@ -2729,10 +2729,6 @@ spv::Id TGlslangToSpvTraverser::convertGlslangToSpvType(const glslang::TType& ty
spvType = builder.makeFloatType(64);
break;
case glslang::EbtFloat16:
#if AMD_EXTENSIONS
if (builder.getSpvVersion() < glslang::EShTargetSpv_1_3)
builder.addExtension(spv::E_SPV_AMD_gpu_shader_half_float);
#endif
spvType = builder.makeFloatType(16);
break;
case glslang::EbtBool:
@@ -2750,17 +2746,9 @@ spv::Id TGlslangToSpvTraverser::convertGlslangToSpvType(const glslang::TType& ty
spvType = builder.makeUintType(8);
break;
case glslang::EbtInt16:
#ifdef AMD_EXTENSIONS
if (builder.getSpvVersion() < glslang::EShTargetSpv_1_3)
builder.addExtension(spv::E_SPV_AMD_gpu_shader_int16);
#endif
spvType = builder.makeIntType(16);
break;
case glslang::EbtUint16:
#ifdef AMD_EXTENSIONS
if (builder.getSpvVersion() < glslang::EShTargetSpv_1_3)
builder.addExtension(spv::E_SPV_AMD_gpu_shader_int16);
#endif
spvType = builder.makeUintType(16);
break;
case glslang::EbtInt:

19
SPIRV/SpvPostProcess.cpp Normal file → Executable file
View File

@@ -120,6 +120,25 @@ void Builder::postProcessType(const Instruction& inst, Id typeId)
case OpSConvert:
case OpUConvert:
break;
case OpExtInst:
switch (inst.getImmediateOperand(1)) {
#if AMD_EXTENSIONS
case GLSLstd450Frexp:
case GLSLstd450FrexpStruct:
if (getSpvVersion() < glslang::EShTargetSpv_1_3 && containsType(typeId, OpTypeInt, 16))
addExtension(spv::E_SPV_AMD_gpu_shader_int16);
break;
case GLSLstd450InterpolateAtCentroid:
case GLSLstd450InterpolateAtSample:
case GLSLstd450InterpolateAtOffset:
if (getSpvVersion() < glslang::EShTargetSpv_1_3 && containsType(typeId, OpTypeFloat, 16))
addExtension(spv::E_SPV_AMD_gpu_shader_half_float);
break;
#endif
default:
break;
}
break;
default:
if (basicTypeOp == OpTypeFloat && width == 16)
addCapability(CapabilityFloat16);