emit_spirv: Add Xfb execution mode when transform feedback is used
Fixes Transform Feedback on Vulkan AMD drivers.
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0dec42431f
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@ -387,6 +387,14 @@ void SetupSignedNanCapabilities(const Profile& profile, const IR::Program& progr
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}
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}
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}
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}
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void SetupTransformFeedbackCapabilities(EmitContext& ctx, Id main_func) {
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if (ctx.runtime_info.xfb_varyings.empty()) {
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return;
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}
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ctx.AddCapability(spv::Capability::TransformFeedback);
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ctx.AddExecutionMode(main_func, spv::ExecutionMode::Xfb);
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}
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void SetupCapabilities(const Profile& profile, const Info& info, EmitContext& ctx) {
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void SetupCapabilities(const Profile& profile, const Info& info, EmitContext& ctx) {
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if (info.uses_sampled_1d) {
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if (info.uses_sampled_1d) {
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ctx.AddCapability(spv::Capability::Sampled1D);
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ctx.AddCapability(spv::Capability::Sampled1D);
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@ -442,9 +450,6 @@ void SetupCapabilities(const Profile& profile, const Info& info, EmitContext& ct
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if (info.uses_sample_id) {
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if (info.uses_sample_id) {
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ctx.AddCapability(spv::Capability::SampleRateShading);
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ctx.AddCapability(spv::Capability::SampleRateShading);
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}
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}
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if (!ctx.runtime_info.xfb_varyings.empty()) {
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ctx.AddCapability(spv::Capability::TransformFeedback);
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}
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if (info.uses_derivatives) {
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if (info.uses_derivatives) {
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ctx.AddCapability(spv::Capability::DerivativeControl);
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ctx.AddCapability(spv::Capability::DerivativeControl);
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}
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}
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@ -484,6 +489,7 @@ std::vector<u32> EmitSPIRV(const Profile& profile, const RuntimeInfo& runtime_in
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SetupSignedNanCapabilities(profile, program, ctx, main);
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SetupSignedNanCapabilities(profile, program, ctx, main);
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}
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}
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SetupCapabilities(profile, program.info, ctx);
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SetupCapabilities(profile, program.info, ctx);
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SetupTransformFeedbackCapabilities(ctx, main);
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PatchPhiNodes(program, ctx);
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PatchPhiNodes(program, ctx);
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return ctx.Assemble();
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return ctx.Assemble();
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}
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}
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