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spirv: Implement image buffers

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This commit is contained in:
ReinUsesLisp
2021-04-14 21:36:36 -03:00
committed by ameerj
parent d8ec99dada
commit 416e1b7441
9 changed files with 142 additions and 49 deletions
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70
src/shader_recompiler/backend/spirv/emit_context.cpp
View File

@ -54,28 +54,30 @@ Id ImageType(EmitContext& ctx, const TextureDescriptor& desc) {
throw InvalidArgument("Invalid texture type {}", desc.type);
}
spv::ImageFormat GetImageFormat(ImageFormat format) {
switch (format) {
case ImageFormat::Typeless:
return spv::ImageFormat::Unknown;
case ImageFormat::R8_UINT:
return spv::ImageFormat::R8ui;
case ImageFormat::R8_SINT:
return spv::ImageFormat::R8i;
case ImageFormat::R16_UINT:
return spv::ImageFormat::R16ui;
case ImageFormat::R16_SINT:
return spv::ImageFormat::R16i;
case ImageFormat::R32_UINT:
return spv::ImageFormat::R32ui;
case ImageFormat::R32G32_UINT:
return spv::ImageFormat::Rg32ui;
case ImageFormat::R32G32B32A32_UINT:
return spv::ImageFormat::Rgba32ui;
}
throw InvalidArgument("Invalid image format {}", format);
}
Id ImageType(EmitContext& ctx, const ImageDescriptor& desc) {
const spv::ImageFormat format{[&] {
switch (desc.format) {
case ImageFormat::Typeless:
return spv::ImageFormat::Unknown;
case ImageFormat::R8_UINT:
return spv::ImageFormat::R8ui;
case ImageFormat::R8_SINT:
return spv::ImageFormat::R8i;
case ImageFormat::R16_UINT:
return spv::ImageFormat::R16ui;
case ImageFormat::R16_SINT:
return spv::ImageFormat::R16i;
case ImageFormat::R32_UINT:
return spv::ImageFormat::R32ui;
case ImageFormat::R32G32_UINT:
return spv::ImageFormat::Rg32ui;
case ImageFormat::R32G32B32A32_UINT:
return spv::ImageFormat::Rgba32ui;
}
throw InvalidArgument("Invalid image format {}", desc.format);
}()};
const spv::ImageFormat format{GetImageFormat(desc.format)};
const Id type{ctx.U32[1]};
switch (desc.type) {
case TextureType::Color1D:
@ -388,6 +390,7 @@ EmitContext::EmitContext(const Profile& profile_, IR::Program& program, u32& bin
DefineConstantBuffers(program.info, binding);
DefineStorageBuffers(program.info, binding);
DefineTextureBuffers(program.info, binding);
DefineImageBuffers(program.info, binding);
DefineTextures(program.info, binding);
DefineImages(program.info, binding);
DefineAttributeMemAccess(program.info);
@ -883,6 +886,31 @@ void EmitContext::DefineTextureBuffers(const Info& info, u32& binding) {
}
}
void EmitContext::DefineImageBuffers(const Info& info, u32& binding) {
image_buffers.reserve(info.image_buffer_descriptors.size());
for (const ImageBufferDescriptor& desc : info.image_buffer_descriptors) {
if (desc.count != 1) {
throw NotImplementedException("Array of image buffers");
}
const spv::ImageFormat format{GetImageFormat(desc.format)};
const Id image_type{TypeImage(U32[4], spv::Dim::Buffer, false, false, false, 2, format)};
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("imgbuf{}_{:02x}", desc.cbuf_index, desc.cbuf_offset));
const ImageBufferDefinition def{
.id = id,
.image_type = image_type,
};
image_buffers.insert(image_buffers.end(), desc.count, def);
if (profile.supported_spirv >= 0x00010400) {
interfaces.push_back(id);
}
binding += desc.count;
}
}
void EmitContext::DefineTextures(const Info& info, u32& binding) {
textures.reserve(info.texture_descriptors.size());
for (const TextureDescriptor& desc : info.texture_descriptors) {

7
src/shader_recompiler/backend/spirv/emit_context.h
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@ -35,6 +35,11 @@ struct TextureDefinition {
Id image_type;
};
struct ImageBufferDefinition {
Id id;
Id image_type;
};
struct ImageDefinition {
Id id;
Id image_type;
@ -136,6 +141,7 @@ public:
std::array<UniformDefinitions, Info::MAX_CBUFS> cbufs{};
std::array<StorageDefinitions, Info::MAX_SSBOS> ssbos{};
std::vector<Id> texture_buffers;
std::vector<ImageBufferDefinition> image_buffers;
std::vector<TextureDefinition> textures;
std::vector<ImageDefinition> images;
@ -213,6 +219,7 @@ private:
void DefineConstantBuffers(const Info& info, u32& binding);
void DefineStorageBuffers(const Info& info, u32& binding);
void DefineTextureBuffers(const Info& info, u32& binding);
void DefineImageBuffers(const Info& info, u32& binding);
void DefineTextures(const Info& info, u32& binding);
void DefineImages(const Info& info, u32& binding);
void DefineAttributeMemAccess(const Info& info);

3
src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
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@ -149,7 +149,8 @@ Id Image(EmitContext& ctx, const IR::Value& index, IR::TextureInstInfo info) {
throw NotImplementedException("Indirect image indexing");
}
if (info.type == TextureType::Buffer) {
throw NotImplementedException("Image buffer");
const ImageBufferDefinition def{ctx.image_buffers.at(index.U32())};
return ctx.OpLoad(def.image_type, def.id);
} else {
const ImageDefinition def{ctx.images.at(index.U32())};
return ctx.OpLoad(def.image_type, def.id);

19
src/shader_recompiler/ir_opt/texture_pass.cpp
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@ -158,9 +158,11 @@ TextureInst MakeInst(Environment& env, IR::Block* block, IR::Inst& inst) {
class Descriptors {
public:
explicit Descriptors(TextureBufferDescriptors& texture_buffer_descriptors_,
ImageBufferDescriptors& image_buffer_descriptors_,
TextureDescriptors& texture_descriptors_,
ImageDescriptors& image_descriptors_)
: texture_buffer_descriptors{texture_buffer_descriptors_},
image_buffer_descriptors{image_buffer_descriptors_},
texture_descriptors{texture_descriptors_}, image_descriptors{image_descriptors_} {}
u32 Add(const TextureBufferDescriptor& desc) {
@ -170,6 +172,13 @@ public:
});
}
u32 Add(const ImageBufferDescriptor& desc) {
return Add(image_buffer_descriptors, desc, [&desc](const auto& existing) {
return desc.format == existing.format && desc.cbuf_index == existing.cbuf_index &&
desc.cbuf_offset == existing.cbuf_offset;
});
}
u32 Add(const TextureDescriptor& desc) {
return Add(texture_descriptors, desc, [&desc](const auto& existing) {
return desc.cbuf_index == existing.cbuf_index &&
@ -200,6 +209,7 @@ private:
}
TextureBufferDescriptors& texture_buffer_descriptors;
ImageBufferDescriptors& image_buffer_descriptors;
TextureDescriptors& texture_descriptors;
ImageDescriptors& image_descriptors;
};
@ -224,6 +234,7 @@ void TexturePass(Environment& env, IR::Program& program) {
});
Descriptors descriptors{
program.info.texture_buffer_descriptors,
program.info.image_buffer_descriptors,
program.info.texture_descriptors,
program.info.image_descriptors,
};
@ -261,7 +272,13 @@ void TexturePass(Environment& env, IR::Program& program) {
case IR::Opcode::ImageWrite: {
const bool is_written{inst->GetOpcode() == IR::Opcode::ImageWrite};
if (flags.type == TextureType::Buffer) {
throw NotImplementedException("Image buffer");
index = descriptors.Add(ImageBufferDescriptor{
.format = flags.image_format,
.is_written = is_written,
.cbuf_index = cbuf.index,
.cbuf_offset = cbuf.offset,
.count = 1,
});
} else {
index = descriptors.Add(ImageDescriptor{
.type = flags.type,

10
src/shader_recompiler/shader_info.h
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@ -67,6 +67,15 @@ struct TextureBufferDescriptor {
};
using TextureBufferDescriptors = boost::container::small_vector<TextureBufferDescriptor, 6>;
struct ImageBufferDescriptor {
ImageFormat format;
bool is_written;
u32 cbuf_index;
u32 cbuf_offset;
u32 count;
};
using ImageBufferDescriptors = boost::container::small_vector<ImageBufferDescriptor, 2>;
struct TextureDescriptor {
TextureType type;
bool is_depth;
@ -153,6 +162,7 @@ struct Info {
constant_buffer_descriptors;
boost::container::static_vector<StorageBufferDescriptor, MAX_SSBOS> storage_buffers_descriptors;
TextureBufferDescriptors texture_buffer_descriptors;
ImageBufferDescriptors image_buffer_descriptors;
TextureDescriptors texture_descriptors;
ImageDescriptors image_descriptors;
};