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-rw-r--r--src/shader_recompiler/backend/spirv/emit_context.cpp70
-rw-r--r--src/shader_recompiler/backend/spirv/emit_context.h7
-rw-r--r--src/shader_recompiler/backend/spirv/emit_spirv_image.cpp3
3 files changed, 58 insertions, 22 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_context.cpp b/src/shader_recompiler/backend/spirv/emit_context.cpp
index f96d5ae37..032cf5e03 100644
--- a/src/shader_recompiler/backend/spirv/emit_context.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_context.cpp
@@ -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) {
diff --git a/src/shader_recompiler/backend/spirv/emit_context.h b/src/shader_recompiler/backend/spirv/emit_context.h
index 1f0d8be77..0da14d5f8 100644
--- a/src/shader_recompiler/backend/spirv/emit_context.h
+++ b/src/shader_recompiler/backend/spirv/emit_context.h
@@ -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);
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
index 17266ce77..c8d1d25b1 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
@@ -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);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 08:21:00 +0200