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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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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,