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shader: Implement indexed textures

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This commit is contained in:
ReinUsesLisp 2021-04-22 16:17:59 -03:00 • committed by ameerj
parent 7a9dc78398
commit d10cf55353
10 changed files with 284 additions and 157 deletions
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79
src/shader_recompiler/backend/spirv/emit_context.cpp
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@ -380,6 +380,24 @@ Id CasLoop(EmitContext& ctx, Operation operation, Id array_pointer, Id element_p
ctx.OpFunctionEnd();
return func;
}
template <typename Desc>
std::string NameOf(const Desc& desc, std::string_view prefix) {
if (desc.count > 1) {
return fmt::format("{}{}_{:02x}x{}", prefix, desc.cbuf_index, desc.cbuf_offset, desc.count);
} else {
return fmt::format("{}{}_{:02x}", prefix, desc.cbuf_index, desc.cbuf_offset);
}
}
Id DescType(EmitContext& ctx, Id sampled_type, Id pointer_type, u32 count) {
if (count > 1) {
const Id array_type{ctx.TypeArray(sampled_type, ctx.Const(count))};
return ctx.TypePointer(spv::StorageClass::UniformConstant, array_type);
} else {
return pointer_type;
}
}
} // Anonymous namespace
void VectorTypes::Define(Sirit::Module& sirit_ctx, Id base_type, std::string_view name) {
@ -971,12 +989,15 @@ void EmitContext::DefineTextureBuffers(const Info& info, u32& binding) {
const Id id{AddGlobalVariable(type, spv::StorageClass::UniformConstant)};
Decorate(id, spv::Decoration::Binding, binding);
Decorate(id, spv::Decoration::DescriptorSet, 0U);
Name(id, fmt::format("texbuf{}_{:02x}", desc.cbuf_index, desc.cbuf_offset));
texture_buffers.insert(texture_buffers.end(), desc.count, id);
Name(id, NameOf(desc, "texbuf"));
texture_buffers.push_back({
.id = id,
.count = desc.count,
});
if (profile.supported_spirv >= 0x00010400) {
interfaces.push_back(id);
}
binding += desc.count;
++binding;
}
}
@ -992,44 +1013,41 @@ void EmitContext::DefineImageBuffers(const Info& info, u32& binding) {
const Id id{AddGlobalVariable(pointer_type, spv::StorageClass::UniformConstant)};
Decorate(id, spv::Decoration::Binding, binding);
Decorate(id, spv::Decoration::DescriptorSet, 0U);
Name(id, fmt::format("imgbuf{}_{:02x}", desc.cbuf_index, desc.cbuf_offset));
const ImageBufferDefinition def{
Name(id, NameOf(desc, "imgbuf"));
image_buffers.push_back({
.id = id,
.image_type = image_type,
};
image_buffers.insert(image_buffers.end(), desc.count, def);
.count = desc.count,
});
if (profile.supported_spirv >= 0x00010400) {
interfaces.push_back(id);
}
binding += desc.count;
++binding;
}
}
void EmitContext::DefineTextures(const Info& info, u32& binding) {
textures.reserve(info.texture_descriptors.size());
for (const TextureDescriptor& desc : info.texture_descriptors) {
if (desc.count != 1) {
throw NotImplementedException("Array of textures");
}
const Id image_type{ImageType(*this, desc)};
const Id sampled_type{TypeSampledImage(image_type)};
const Id pointer_type{TypePointer(spv::StorageClass::UniformConstant, sampled_type)};
const Id id{AddGlobalVariable(pointer_type, spv::StorageClass::UniformConstant)};
const Id desc_type{DescType(*this, sampled_type, pointer_type, desc.count)};
const Id id{AddGlobalVariable(desc_type, spv::StorageClass::UniformConstant)};
Decorate(id, spv::Decoration::Binding, binding);
Decorate(id, spv::Decoration::DescriptorSet, 0U);
Name(id, fmt::format("tex{}_{:02x}", desc.cbuf_index, desc.cbuf_offset));
for (u32 index = 0; index < desc.count; ++index) {
// TODO: Pass count info
textures.push_back(TextureDefinition{
.id{id},
.sampled_type{sampled_type},
.image_type{image_type},
});
}
Name(id, NameOf(desc, "tex"));
textures.push_back({
.id = id,
.sampled_type = sampled_type,
.pointer_type = pointer_type,
.image_type = image_type,
.count = desc.count,
});
if (profile.supported_spirv >= 0x00010400) {
interfaces.push_back(id);
}
binding += desc.count;
++binding;
}
}
@ -1037,24 +1055,23 @@ void EmitContext::DefineImages(const Info& info, u32& binding) {
images.reserve(info.image_descriptors.size());
for (const ImageDescriptor& desc : info.image_descriptors) {
if (desc.count != 1) {
throw NotImplementedException("Array of textures");
throw NotImplementedException("Array of images");
}
const Id image_type{ImageType(*this, desc)};
const Id pointer_type{TypePointer(spv::StorageClass::UniformConstant, image_type)};
const Id id{AddGlobalVariable(pointer_type, spv::StorageClass::UniformConstant)};
Decorate(id, spv::Decoration::Binding, binding);
Decorate(id, spv::Decoration::DescriptorSet, 0U);
Name(id, fmt::format("img{}_{:02x}", desc.cbuf_index, desc.cbuf_offset));
for (u32 index = 0; index < desc.count; ++index) {
images.push_back(ImageDefinition{
.id{id},
.image_type{image_type},
});
}
Name(id, NameOf(desc, "img"));
images.push_back({
.id = id,
.image_type = image_type,
.count = desc.count,
});
if (profile.supported_spirv >= 0x00010400) {
interfaces.push_back(id);
}
binding += desc.count;
++binding;
}
}