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shader: Interact texture buffers with buffer cache

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This commit is contained in:
ReinUsesLisp
2021-04-06 20:14:55 -03:00
committed by ameerj
parent 56b92bd89c
commit e9a91bc5cc
17 changed files with 334 additions and 149 deletions
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54
src/shader_recompiler/backend/spirv/emit_context.cpp
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@@ -130,8 +130,8 @@ EmitContext::EmitContext(const Profile& profile_, IR::Program& program, u32& bin
DefineSharedMemory(program);
DefineConstantBuffers(program.info, binding);
DefineStorageBuffers(program.info, binding);
DefineTextures(program.info, binding);
DefineTextureBuffers(program.info, binding);
DefineTextures(program.info, binding);
DefineAttributeMemAccess(program.info);
DefineLabels(program);
}
@@ -516,6 +516,32 @@ void EmitContext::DefineStorageBuffers(const Info& info, u32& binding) {
}
}
void EmitContext::DefineTextureBuffers(const Info& info, u32& binding) {
if (info.texture_buffer_descriptors.empty()) {
return;
}
const spv::ImageFormat format{spv::ImageFormat::Unknown};
image_buffer_type = TypeImage(F32[1], spv::Dim::Buffer, 0U, false, false, 1, format);
sampled_texture_buffer_type = TypeSampledImage(image_buffer_type);
const Id type{TypePointer(spv::StorageClass::UniformConstant, sampled_texture_buffer_type)};
texture_buffers.reserve(info.texture_buffer_descriptors.size());
for (const TextureBufferDescriptor& desc : info.texture_buffer_descriptors) {
if (desc.count != 1) {
throw NotImplementedException("Array of texture buffers");
}
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);
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) {
@@ -544,32 +570,6 @@ void EmitContext::DefineTextures(const Info& info, u32& binding) {
}
}
void EmitContext::DefineTextureBuffers(const Info& info, u32& binding) {
if (info.texture_buffer_descriptors.empty()) {
return;
}
const spv::ImageFormat format{spv::ImageFormat::Unknown};
image_buffer_type = TypeImage(F32[1], spv::Dim::Buffer, 0U, false, false, 1, format);
sampled_texture_buffer_type = TypeSampledImage(image_buffer_type);
const Id type{TypePointer(spv::StorageClass::UniformConstant, sampled_texture_buffer_type)};
texture_buffers.reserve(info.texture_buffer_descriptors.size());
for (const TextureBufferDescriptor& desc : info.texture_buffer_descriptors) {
if (desc.count != 1) {
throw NotImplementedException("Array of texture buffers");
}
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);
if (profile.supported_spirv >= 0x00010400) {
interfaces.push_back(id);
}
binding += desc.count;
}
}
void EmitContext::DefineLabels(IR::Program& program) {
for (IR::Block* const block : program.blocks) {
block->SetDefinition(OpLabel());

2
src/shader_recompiler/backend/spirv/emit_context.h
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@@ -154,8 +154,8 @@ private:
void DefineSharedMemory(const IR::Program& program);
void DefineConstantBuffers(const Info& info, u32& binding);
void DefineStorageBuffers(const Info& info, u32& binding);
void DefineTextures(const Info& info, u32& binding);
void DefineTextureBuffers(const Info& info, u32& binding);
void DefineTextures(const Info& info, u32& binding);
void DefineAttributeMemAccess(const Info& info);
void DefineLabels(IR::Program& program);

2
src/shader_recompiler/shader_info.h
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@@ -119,8 +119,8 @@ struct Info {
boost::container::static_vector<ConstantBufferDescriptor, MAX_CBUFS>
constant_buffer_descriptors;
boost::container::static_vector<StorageBufferDescriptor, MAX_SSBOS> storage_buffers_descriptors;
TextureDescriptors texture_descriptors;
TextureBufferDescriptors texture_buffer_descriptors;
TextureDescriptors texture_descriptors;
};
} // namespace Shader