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recompiler: added support for discard on export with masked EXEC

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psucien 2024-07-13 14:40:39 +02:00
parent 1b94f07a6a
commit f041276b04
12 changed files with 47 additions and 5 deletions
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1
src/shader_recompiler/backend/spirv/emit_spirv_instructions.h
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@ -45,6 +45,7 @@ void EmitSetVccHi(EmitContext& ctx);
void EmitPrologue(EmitContext& ctx);
void EmitEpilogue(EmitContext& ctx);
void EmitDiscard(EmitContext& ctx);
void EmitDiscardCond(EmitContext& ctx, Id condition);
void EmitBarrier(EmitContext& ctx);
void EmitWorkgroupMemoryBarrier(EmitContext& ctx);
void EmitDeviceMemoryBarrier(EmitContext& ctx);

11
src/shader_recompiler/backend/spirv/emit_spirv_special.cpp
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@ -14,6 +14,17 @@ void EmitDiscard(EmitContext& ctx) {
ctx.OpDemoteToHelperInvocationEXT();
}
void EmitDiscardCond(EmitContext& ctx, Id condition) {
const Id kill_label{ctx.OpLabel()};
const Id merge_label{ctx.OpLabel()};
ctx.OpSelectionMerge(merge_label, spv::SelectionControlMask::MaskNone);
ctx.OpBranchConditional(condition, kill_label, merge_label);
ctx.AddLabel(kill_label);
ctx.OpDemoteToHelperInvocationEXT();
ctx.OpBranch(merge_label);
ctx.AddLabel(merge_label);
}
void EmitEmitVertex(EmitContext& ctx, const IR::Value& stream) {
throw NotImplementedException("Geometry streams");
}