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shader: Implement R2P

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This commit is contained in:
ameerj
2021-03-07 22:01:22 -05:00
parent 924f0a9149
commit 7d6ba5b984
8 changed files with 88 additions and 15 deletions
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3
src/shader_recompiler/backend/spirv/emit_spirv.h
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@@ -120,6 +120,7 @@ void EmitCompositeExtractF64x4(EmitContext& ctx);
Id EmitCompositeInsertF64x2(EmitContext& ctx, Id composite, Id object, u32 index);
Id EmitCompositeInsertF64x3(EmitContext& ctx, Id composite, Id object, u32 index);
Id EmitCompositeInsertF64x4(EmitContext& ctx, Id composite, Id object, u32 index);
Id EmitSelectU1(EmitContext& ctx, Id cond, Id true_value, Id false_value);
Id EmitSelectU8(EmitContext& ctx, Id cond, Id true_value, Id false_value);
Id EmitSelectU16(EmitContext& ctx, Id cond, Id true_value, Id false_value);
Id EmitSelectU32(EmitContext& ctx, Id cond, Id true_value, Id false_value);
@@ -242,7 +243,7 @@ Id EmitBitwiseOr32(EmitContext& ctx, Id a, Id b);
Id EmitBitwiseXor32(EmitContext& ctx, Id a, Id b);
Id EmitBitFieldInsert(EmitContext& ctx, Id base, Id insert, Id offset, Id count);
Id EmitBitFieldSExtract(EmitContext& ctx, Id base, Id offset, Id count);
Id EmitBitFieldUExtract(EmitContext& ctx, Id base, Id offset, Id count);
Id EmitBitFieldUExtract(EmitContext& ctx, IR::Inst* inst, Id base, Id offset, Id count);
Id EmitBitReverse32(EmitContext& ctx, Id value);
Id EmitBitCount32(EmitContext& ctx, Id value);
Id EmitBitwiseNot32(EmitContext& ctx, Id value);

9
src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp
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@@ -114,8 +114,13 @@ Id EmitBitFieldSExtract(EmitContext& ctx, Id base, Id offset, Id count) {
return ctx.OpBitFieldSExtract(ctx.U32[1], base, offset, count);
}
Id EmitBitFieldUExtract(EmitContext& ctx, Id base, Id offset, Id count) {
return ctx.OpBitFieldUExtract(ctx.U32[1], base, offset, count);
Id EmitBitFieldUExtract(EmitContext& ctx, IR::Inst* inst, Id base, Id offset, Id count) {
const Id result{ctx.OpBitFieldUExtract(ctx.U32[1], base, offset, count)};
if (IR::Inst* const zero{inst->GetAssociatedPseudoOperation(IR::Opcode::GetZeroFromOp)}) {
zero->SetDefinition(ctx.OpIEqual(ctx.U1, result, ctx.u32_zero_value));
zero->Invalidate();
}
return result;
}
Id EmitBitReverse32(EmitContext& ctx, Id value) {

4
src/shader_recompiler/backend/spirv/emit_spirv_select.cpp
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@@ -6,6 +6,10 @@
namespace Shader::Backend::SPIRV {
Id EmitSelectU1(EmitContext& ctx, Id cond, Id true_value, Id false_value) {
return ctx.OpSelect(ctx.U1, cond, true_value, false_value);
}
Id EmitSelectU8([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Id cond,
[[maybe_unused]] Id true_value, [[maybe_unused]] Id false_value) {
throw NotImplementedException("SPIR-V Instruction");