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Merge pull request #1931 from EpicGames/fixes_hlsl

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HLSL: Add missing `BuiltInLayer` to HLSL backend.
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Hans-Kristian Arntzen 2022-04-29 11:32:46 +02:00 committed by GitHub
commit a9d23d7652
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1 changed files with 15 additions and 0 deletions
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15
spirv_hlsl.cpp
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@ -643,6 +643,13 @@ void CompilerHLSL::emit_builtin_outputs_in_struct()
else
SPIRV_CROSS_THROW("Unsupported builtin in HLSL.");
case BuiltInLayer:
if (hlsl_options.shader_model < 50 || get_entry_point().model != ExecutionModelGeometry)
SPIRV_CROSS_THROW("Render target index output is only supported in GS 5.0 or higher.");
type = "uint";
semantic = "SV_RenderTargetIndex";
break;
default:
SPIRV_CROSS_THROW("Unsupported builtin in HLSL.");
}
@ -788,6 +795,13 @@ void CompilerHLSL::emit_builtin_inputs_in_struct()
else
SPIRV_CROSS_THROW("Unsupported builtin in HLSL.");
case BuiltInLayer:
if (hlsl_options.shader_model < 50 || get_entry_point().model != ExecutionModelFragment)
SPIRV_CROSS_THROW("Render target index input is only supported in PS 5.0 or higher.");
type = "uint";
semantic = "SV_RenderTargetIndex";
break;
default:
SPIRV_CROSS_THROW("Unsupported builtin in HLSL.");
}
@ -1147,6 +1161,7 @@ void CompilerHLSL::emit_builtin_variables()
case BuiltInPrimitiveId:
case BuiltInViewIndex:
case BuiltInLayer:
type = "uint";
break;