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Merge pull request #7799 from ameerj/amd-xfb

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emit_spirv: Add Xfb execution mode when transform feedback is used
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Morph 2022-01-28 17:55:17 -05:00 committed by GitHub
commit 2241d8c971
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 3 deletions
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12
src/shader_recompiler/backend/spirv/emit_spirv.cpp
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@ -387,6 +387,14 @@ void SetupSignedNanCapabilities(const Profile& profile, const IR::Program& progr
} }
} }
void SetupTransformFeedbackCapabilities(EmitContext& ctx, Id main_func) {
if (ctx.runtime_info.xfb_varyings.empty()) {
return;
}
ctx.AddCapability(spv::Capability::TransformFeedback);
ctx.AddExecutionMode(main_func, spv::ExecutionMode::Xfb);
}
void SetupCapabilities(const Profile& profile, const Info& info, EmitContext& ctx) { void SetupCapabilities(const Profile& profile, const Info& info, EmitContext& ctx) {
if (info.uses_sampled_1d) { if (info.uses_sampled_1d) {
ctx.AddCapability(spv::Capability::Sampled1D); ctx.AddCapability(spv::Capability::Sampled1D);
@ -442,9 +450,6 @@ void SetupCapabilities(const Profile& profile, const Info& info, EmitContext& ct
if (info.uses_sample_id) { if (info.uses_sample_id) {
ctx.AddCapability(spv::Capability::SampleRateShading); ctx.AddCapability(spv::Capability::SampleRateShading);
} }
if (!ctx.runtime_info.xfb_varyings.empty()) {
ctx.AddCapability(spv::Capability::TransformFeedback);
}
if (info.uses_derivatives) { if (info.uses_derivatives) {
ctx.AddCapability(spv::Capability::DerivativeControl); ctx.AddCapability(spv::Capability::DerivativeControl);
} }
@ -484,6 +489,7 @@ std::vector<u32> EmitSPIRV(const Profile& profile, const RuntimeInfo& runtime_in
SetupSignedNanCapabilities(profile, program, ctx, main); SetupSignedNanCapabilities(profile, program, ctx, main);
} }
SetupCapabilities(profile, program.info, ctx); SetupCapabilities(profile, program.info, ctx);
SetupTransformFeedbackCapabilities(ctx, main);
PatchPhiNodes(program, ctx); PatchPhiNodes(program, ctx);
return ctx.Assemble(); return ctx.Assemble();
} }