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shader_recompiler: Use VK_AMD_shader_trinary_minmax when available. (#2739)

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* shader_recompiler: Use VK_AMD_shader_trinary_minmax when available.

* shader_recompiler: Simplify signed/unsigned trinary instruction variants.
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squidbus 2025-04-02 13:36:54 -07:00 • committed by GitHub
parent eb300d0aa7
commit afd0251dd2
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GPG key ID: B5690EEEBB952194
13 changed files with 168 additions and 34 deletions
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44
src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp
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@ -256,6 +256,50 @@ Id EmitUMax32(EmitContext& ctx, Id a, Id b) {
return ctx.OpUMax(ctx.U32[1], a, b);
}
Id EmitSMinTri32(EmitContext& ctx, Id a, Id b, Id c) {
if (ctx.profile.supports_trinary_minmax) {
return ctx.OpSMin3AMD(ctx.U32[1], a, b, c);
}
return ctx.OpSMin(ctx.U32[1], a, ctx.OpSMin(ctx.U32[1], b, c));
}
Id EmitUMinTri32(EmitContext& ctx, Id a, Id b, Id c) {
if (ctx.profile.supports_trinary_minmax) {
return ctx.OpUMin3AMD(ctx.U32[1], a, b, c);
}
return ctx.OpUMin(ctx.U32[1], a, ctx.OpUMin(ctx.U32[1], b, c));
}
Id EmitSMaxTri32(EmitContext& ctx, Id a, Id b, Id c) {
if (ctx.profile.supports_trinary_minmax) {
return ctx.OpSMax3AMD(ctx.U32[1], a, b, c);
}
return ctx.OpSMax(ctx.U32[1], a, ctx.OpSMax(ctx.U32[1], b, c));
}
Id EmitUMaxTri32(EmitContext& ctx, Id a, Id b, Id c) {
if (ctx.profile.supports_trinary_minmax) {
return ctx.OpUMax3AMD(ctx.U32[1], a, b, c);
}
return ctx.OpUMax(ctx.U32[1], a, ctx.OpUMax(ctx.U32[1], b, c));
}
Id EmitSMedTri32(EmitContext& ctx, Id a, Id b, Id c) {
if (ctx.profile.supports_trinary_minmax) {
return ctx.OpSMid3AMD(ctx.U32[1], a, b, c);
}
const Id mmx{ctx.OpSMin(ctx.U32[1], ctx.OpSMax(ctx.U32[1], a, b), c)};
return ctx.OpSMax(ctx.U32[1], ctx.OpSMin(ctx.U32[1], a, b), mmx);
}
Id EmitUMedTri32(EmitContext& ctx, Id a, Id b, Id c) {
if (ctx.profile.supports_trinary_minmax) {
return ctx.OpUMid3AMD(ctx.U32[1], a, b, c);
}
const Id mmx{ctx.OpUMin(ctx.U32[1], ctx.OpUMax(ctx.U32[1], a, b), c)};
return ctx.OpUMax(ctx.U32[1], ctx.OpUMin(ctx.U32[1], a, b), mmx);
}
Id EmitSClamp32(EmitContext& ctx, IR::Inst* inst, Id value, Id min, Id max) {
Id result{};
if (ctx.profile.has_broken_spirv_clamp) {