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[spv] SamplerComponentType

This commit is contained in:
CamilleLaVey 2025-11-27 19:14:46 -04:00 committed by Caio Oliveira
parent 1f9c0e195f
commit 3de4c05fe6
1 changed files with 42 additions and 18 deletions
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60
src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
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@ -209,6 +209,20 @@ Id TextureColorResultType(EmitContext& ctx, const TextureDefinition& def) {
throw InvalidArgument("Invalid sampler component type {}", def.component_type);
}
Id TextureSampleResultToFloat(EmitContext& ctx, const TextureDefinition& def, Id color) {
switch (def.component_type) {
case SamplerComponentType::Float:
case SamplerComponentType::Depth:
return color;
case SamplerComponentType::Sint:
case SamplerComponentType::Stencil:
return ctx.OpConvertSToF(ctx.F32[4], color);
case SamplerComponentType::Uint:
return ctx.OpConvertUToF(ctx.F32[4], color);
}
throw InvalidArgument("Invalid sampler component type {}", def.component_type);
}
Id TextureImage(EmitContext& ctx, IR::TextureInstInfo info, const IR::Value& index) {
if (!index.IsImmediate() || index.U32() != 0) {
throw NotImplementedException("Indirect image indexing");
@ -466,22 +480,24 @@ Id EmitImageSampleImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value&
const TextureDefinition& def{ctx.textures.at(info.descriptor_index)};
const Id color_type{TextureColorResultType(ctx, def)};
const Id texture{Texture(ctx, info, index)};
Id color{};
if (ctx.stage == Stage::Fragment) {
const ImageOperands operands(ctx, info.has_bias != 0, false, info.has_lod_clamp != 0,
bias_lc, offset);
return Emit(&EmitContext::OpImageSparseSampleImplicitLod,
&EmitContext::OpImageSampleImplicitLod, ctx, inst, color_type, texture, coords,
operands.MaskOptional(), operands.Span());
color = Emit(&EmitContext::OpImageSparseSampleImplicitLod,
&EmitContext::OpImageSampleImplicitLod, ctx, inst, color_type, texture,
coords, operands.MaskOptional(), operands.Span());
} else {
// We can't use implicit lods on non-fragment stages on SPIR-V. Maxwell hardware behaves as
// if the lod was explicitly zero. This may change on Turing with implicit compute
// derivatives
const Id lod{ctx.Const(0.0f)};
const ImageOperands operands(ctx, false, true, info.has_lod_clamp != 0, lod, offset);
return Emit(&EmitContext::OpImageSparseSampleExplicitLod,
&EmitContext::OpImageSampleExplicitLod, ctx, inst, color_type, texture, coords,
operands.Mask(), operands.Span());
color = Emit(&EmitContext::OpImageSparseSampleExplicitLod,
&EmitContext::OpImageSampleExplicitLod, ctx, inst, color_type, texture,
coords, operands.Mask(), operands.Span());
}
return TextureSampleResultToFloat(ctx, def, color);
}
Id EmitImageSampleExplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
@ -490,9 +506,10 @@ Id EmitImageSampleExplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value&
const TextureDefinition& def{ctx.textures.at(info.descriptor_index)};
const Id color_type{TextureColorResultType(ctx, def)};
const ImageOperands operands(ctx, false, true, false, lod, offset);
return Emit(&EmitContext::OpImageSparseSampleExplicitLod,
&EmitContext::OpImageSampleExplicitLod, ctx, inst, color_type,
Texture(ctx, info, index), coords, operands.Mask(), operands.Span());
const Id color{Emit(&EmitContext::OpImageSparseSampleExplicitLod,
&EmitContext::OpImageSampleExplicitLod, ctx, inst, color_type,
Texture(ctx, info, index), coords, operands.Mask(), operands.Span())};
return TextureSampleResultToFloat(ctx, def, color);
}
Id EmitImageSampleDrefImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index,
@ -535,9 +552,11 @@ Id EmitImageGather(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id
if (ctx.profile.need_gather_subpixel_offset) {
coords = ImageGatherSubpixelOffset(ctx, info, TextureImage(ctx, info, index), coords);
}
return Emit(&EmitContext::OpImageSparseGather, &EmitContext::OpImageGather, ctx, inst,
color_type, texture, coords, ctx.Const(info.gather_component),
operands.MaskOptional(), operands.Span());
const Id color{
Emit(&EmitContext::OpImageSparseGather, &EmitContext::OpImageGather, ctx, inst, color_type,
texture, coords, ctx.Const(info.gather_component), operands.MaskOptional(),
operands.Span())};
return TextureSampleResultToFloat(ctx, def, color);
}
Id EmitImageGatherDref(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
@ -567,9 +586,13 @@ Id EmitImageFetch(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id c
lod = Id{};
}
const ImageOperands operands(lod, ms);
return Emit(&EmitContext::OpImageSparseFetch, &EmitContext::OpImageFetch, ctx, inst,
result_type, TextureImage(ctx, info, index), coords, operands.MaskOptional(),
operands.Span());
Id color{Emit(&EmitContext::OpImageSparseFetch, &EmitContext::OpImageFetch, ctx, inst,
result_type, TextureImage(ctx, info, index), coords, operands.MaskOptional(),
operands.Span())};
if (def) {
color = TextureSampleResultToFloat(ctx, *def, color);
}
return color;
}
Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id lod,
@ -621,9 +644,10 @@ Id EmitImageGradient(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, I
ctx.Def(offset), {}, lod_clamp)
: ImageOperands(ctx, info.has_lod_clamp != 0, derivatives,
info.num_derivatives, offset, lod_clamp);
return Emit(&EmitContext::OpImageSparseSampleExplicitLod,
&EmitContext::OpImageSampleExplicitLod, ctx, inst, color_type,
Texture(ctx, info, index), coords, operands.Mask(), operands.Span());
const Id color{Emit(&EmitContext::OpImageSparseSampleExplicitLod,
&EmitContext::OpImageSampleExplicitLod, ctx, inst, color_type,
Texture(ctx, info, index), coords, operands.Mask(), operands.Span())};
return TextureSampleResultToFloat(ctx, def, color);
}
Id EmitImageRead(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords) {