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a5d73ce965
This is a major reworking of this transform. The old transform code was getting unwieldy, with part of the complication coming from the handling of multiple return statements. By generating a wrapper function instead, we can avoid a lot of this complexity. The original entry point function is stripped of all shader IO attributes (as well as `stage` and `workgroup_size`), but the body is left unmodified. A new entry point wrapper function is introduced which calls the original function, packing/unpacking the shader inputs as necessary, and propagates the result to the corresponding shader outputs. The new code has been refactored to use a state object with the different parts of the transform split into separate functions, which makes it much more manageable. Fixed: tint:1076 Bug: tint:920 Change-Id: I3490a0ea7a3509a4e198ce730e476516649d8d96 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/60521 Auto-Submit: James Price <jrprice@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: James Price <jrprice@google.com> Reviewed-by: Ben Clayton <bclayton@google.com>
34 lines
905 B
HLSL
34 lines
905 B
HLSL
struct FragmentOutputs {
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int loc0;
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float frag_depth;
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uint loc1;
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float loc2;
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uint sample_mask;
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float4 loc3;
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};
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struct tint_symbol {
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int loc0 : SV_Target0;
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uint loc1 : SV_Target1;
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float loc2 : SV_Target2;
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float4 loc3 : SV_Target3;
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float frag_depth : SV_Depth;
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uint sample_mask : SV_Coverage;
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};
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FragmentOutputs main_inner() {
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const FragmentOutputs tint_symbol_1 = {1, 2.0f, 1u, 1.0f, 2u, float4(1.0f, 2.0f, 3.0f, 4.0f)};
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return tint_symbol_1;
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}
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tint_symbol main() {
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const FragmentOutputs inner_result = main_inner();
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tint_symbol wrapper_result = (tint_symbol)0;
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wrapper_result.loc0 = inner_result.loc0;
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wrapper_result.frag_depth = inner_result.frag_depth;
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wrapper_result.loc1 = inner_result.loc1;
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wrapper_result.loc2 = inner_result.loc2;
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wrapper_result.sample_mask = inner_result.sample_mask;
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wrapper_result.loc3 = inner_result.loc3;
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return wrapper_result;
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}
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