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shader_recompiler: Implement shader export formats. (#2226)

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This commit is contained in:
squidbus
2025-01-24 10:41:58 -08:00
committed by GitHub
parent b3c573f798
commit 56f4b8a2b8
14 changed files with 286 additions and 57 deletions
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44
src/shader_recompiler/backend/spirv/emit_spirv_bitwise_conversion.cpp
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@@ -58,4 +58,48 @@ Id EmitUnpackHalf2x16(EmitContext& ctx, Id value) {
return ctx.OpUnpackHalf2x16(ctx.F32[2], value);
}
Id EmitPackUnorm2x16(EmitContext& ctx, Id value) {
return ctx.OpPackUnorm2x16(ctx.U32[1], value);
}
Id EmitUnpackUnorm2x16(EmitContext& ctx, Id value) {
return ctx.OpUnpackUnorm2x16(ctx.F32[2], value);
}
Id EmitPackSnorm2x16(EmitContext& ctx, Id value) {
return ctx.OpPackSnorm2x16(ctx.U32[1], value);
}
Id EmitUnpackSnorm2x16(EmitContext& ctx, Id value) {
return ctx.OpUnpackSnorm2x16(ctx.F32[2], value);
}
Id EmitPackUint2x16(EmitContext& ctx, Id value) {
// No SPIR-V instruction for this, do it manually.
const auto x{ctx.OpCompositeExtract(ctx.U32[1], value, 0)};
const auto y{ctx.OpCompositeExtract(ctx.U32[1], value, 1)};
return ctx.OpBitFieldInsert(ctx.U32[1], x, y, ctx.ConstU32(16U), ctx.ConstU32(16U));
}
Id EmitUnpackUint2x16(EmitContext& ctx, Id value) {
// No SPIR-V instruction for this, do it manually.
const auto x{ctx.OpBitFieldUExtract(ctx.U32[1], value, ctx.ConstU32(0U), ctx.ConstU32(16U))};
const auto y{ctx.OpBitFieldUExtract(ctx.U32[1], value, ctx.ConstU32(16U), ctx.ConstU32(16U))};
return ctx.OpCompositeConstruct(ctx.U32[2], x, y);
}
Id EmitPackSint2x16(EmitContext& ctx, Id value) {
// No SPIR-V instruction for this, do it manually.
const auto x{ctx.OpCompositeExtract(ctx.U32[1], value, 0)};
const auto y{ctx.OpCompositeExtract(ctx.U32[1], value, 1)};
return ctx.OpBitFieldInsert(ctx.U32[1], x, y, ctx.ConstU32(16U), ctx.ConstU32(16U));
}
Id EmitUnpackSint2x16(EmitContext& ctx, Id value) {
// No SPIR-V instruction for this, do it manually.
const auto x{ctx.OpBitFieldSExtract(ctx.U32[1], value, ctx.ConstU32(0U), ctx.ConstU32(16U))};
const auto y{ctx.OpBitFieldSExtract(ctx.U32[1], value, ctx.ConstU32(16U), ctx.ConstU32(16U))};
return ctx.OpCompositeConstruct(ctx.U32[2], x, y);
}
} // namespace Shader::Backend::SPIRV

8
src/shader_recompiler/backend/spirv/emit_spirv_instructions.h
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@@ -197,6 +197,14 @@ Id EmitPackFloat2x16(EmitContext& ctx, Id value);
Id EmitUnpackFloat2x16(EmitContext& ctx, Id value);
Id EmitPackHalf2x16(EmitContext& ctx, Id value);
Id EmitUnpackHalf2x16(EmitContext& ctx, Id value);
Id EmitPackUnorm2x16(EmitContext& ctx, Id value);
Id EmitUnpackUnorm2x16(EmitContext& ctx, Id value);
Id EmitPackSnorm2x16(EmitContext& ctx, Id value);
Id EmitUnpackSnorm2x16(EmitContext& ctx, Id value);
Id EmitPackUint2x16(EmitContext& ctx, Id value);
Id EmitUnpackUint2x16(EmitContext& ctx, Id value);
Id EmitPackSint2x16(EmitContext& ctx, Id value);
Id EmitUnpackSint2x16(EmitContext& ctx, Id value);
Id EmitFPAbs16(EmitContext& ctx, Id value);
Id EmitFPAbs32(EmitContext& ctx, Id value);
Id EmitFPAbs64(EmitContext& ctx, Id value);