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spirv: fix multisampled image fetch

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This commit is contained in:
Liam 2023-01-20 19:30:45 -05:00
parent f99f618d45
commit 76a4356e55
4 changed files with 16 additions and 2 deletions
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4
src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
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@ -436,6 +436,10 @@ Id EmitImageFetch(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id c
if (info.type == TextureType::Buffer) {
lod = Id{};
}
if (Sirit::ValidId(ms)) {
// This image is multisampled, lod must be implicit
lod = Id{};
}
const ImageOperands operands(offset, lod, ms);
return Emit(&EmitContext::OpImageSparseFetch, &EmitContext::OpImageFetch, ctx, inst, ctx.F32[4],
TextureImage(ctx, info, index), coords, operands.MaskOptional(), operands.Span());

5
src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
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@ -35,6 +35,7 @@ Id ImageType(EmitContext& ctx, const TextureDescriptor& desc) {
const spv::ImageFormat format{spv::ImageFormat::Unknown};
const Id type{ctx.F32[1]};
const bool depth{desc.is_depth};
const bool ms{desc.is_multisample};
switch (desc.type) {
case TextureType::Color1D:
return ctx.TypeImage(type, spv::Dim::Dim1D, depth, false, false, 1, format);
@ -42,9 +43,9 @@ Id ImageType(EmitContext& ctx, const TextureDescriptor& desc) {
return ctx.TypeImage(type, spv::Dim::Dim1D, depth, true, false, 1, format);
case TextureType::Color2D:
case TextureType::Color2DRect:
return ctx.TypeImage(type, spv::Dim::Dim2D, depth, false, false, 1, format);
return ctx.TypeImage(type, spv::Dim::Dim2D, depth, false, ms, 1, format);
case TextureType::ColorArray2D:
return ctx.TypeImage(type, spv::Dim::Dim2D, depth, true, false, 1, format);
return ctx.TypeImage(type, spv::Dim::Dim2D, depth, true, ms, 1, format);
case TextureType::Color3D:
return ctx.TypeImage(type, spv::Dim::Dim3D, depth, false, false, 1, format);
case TextureType::ColorCube:

8
src/shader_recompiler/ir_opt/texture_pass.cpp
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@ -524,6 +524,7 @@ void TexturePass(Environment& env, IR::Program& program, const HostTranslateInfo
const auto& cbuf{texture_inst.cbuf};
auto flags{inst->Flags<IR::TextureInstInfo>()};
bool is_multisample{false};
switch (inst->GetOpcode()) {
case IR::Opcode::ImageQueryDimensions:
flags.type.Assign(ReadTextureType(env, cbuf));
@ -538,6 +539,12 @@ void TexturePass(Environment& env, IR::Program& program, const HostTranslateInfo
}
break;
case IR::Opcode::ImageFetch:
if (flags.type == TextureType::Color2D || flags.type == TextureType::Color2DRect ||
flags.type == TextureType::ColorArray2D) {
is_multisample = !inst->Arg(4).IsEmpty();
} else {
inst->SetArg(4, IR::U32{});
}
if (flags.type != TextureType::Color1D) {
break;
}
@ -613,6 +620,7 @@ void TexturePass(Environment& env, IR::Program& program, const HostTranslateInfo
index = descriptors.Add(TextureDescriptor{
.type = flags.type,
.is_depth = flags.is_depth != 0,
.is_multisample = is_multisample,
.has_secondary = cbuf.has_secondary,
.cbuf_index = cbuf.index,
.cbuf_offset = cbuf.offset,

1
src/shader_recompiler/shader_info.h
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@ -109,6 +109,7 @@ using ImageBufferDescriptors = boost::container::small_vector<ImageBufferDescrip
struct TextureDescriptor {
TextureType type;
bool is_depth;
bool is_multisample;
bool has_secondary;
u32 cbuf_index;
u32 cbuf_offset;