shader: Implement SULD and SUST

This commit is contained in:
ReinUsesLisp 2021-04-09 01:45:39 -03:00 committed by ameerj
parent 094da34456
commit 7cb2ab3585
31 changed files with 739 additions and 209 deletions

View file

@ -18,41 +18,70 @@ namespace {
Id ImageType(EmitContext& ctx, const TextureDescriptor& desc) {
const spv::ImageFormat format{spv::ImageFormat::Unknown};
const Id type{ctx.F32[1]};
const bool depth{desc.is_depth};
switch (desc.type) {
case TextureType::Color1D:
return ctx.TypeImage(type, spv::Dim::Dim1D, false, false, false, 1, format);
return ctx.TypeImage(type, spv::Dim::Dim1D, depth, false, false, 1, format);
case TextureType::ColorArray1D:
return ctx.TypeImage(type, spv::Dim::Dim1D, false, true, false, 1, format);
return ctx.TypeImage(type, spv::Dim::Dim1D, depth, true, false, 1, format);
case TextureType::Color2D:
return ctx.TypeImage(type, spv::Dim::Dim2D, false, false, false, 1, format);
return ctx.TypeImage(type, spv::Dim::Dim2D, depth, false, false, 1, format);
case TextureType::ColorArray2D:
return ctx.TypeImage(type, spv::Dim::Dim2D, false, true, false, 1, format);
return ctx.TypeImage(type, spv::Dim::Dim2D, depth, true, false, 1, format);
case TextureType::Color3D:
return ctx.TypeImage(type, spv::Dim::Dim3D, false, false, false, 1, format);
return ctx.TypeImage(type, spv::Dim::Dim3D, depth, false, false, 1, format);
case TextureType::ColorCube:
return ctx.TypeImage(type, spv::Dim::Cube, false, false, false, 1, format);
return ctx.TypeImage(type, spv::Dim::Cube, depth, false, false, 1, format);
case TextureType::ColorArrayCube:
return ctx.TypeImage(type, spv::Dim::Cube, false, true, false, 1, format);
case TextureType::Shadow1D:
return ctx.TypeImage(type, spv::Dim::Dim1D, true, false, false, 1, format);
case TextureType::ShadowArray1D:
return ctx.TypeImage(type, spv::Dim::Dim1D, true, true, false, 1, format);
case TextureType::Shadow2D:
return ctx.TypeImage(type, spv::Dim::Dim2D, true, false, false, 1, format);
case TextureType::ShadowArray2D:
return ctx.TypeImage(type, spv::Dim::Dim2D, true, true, false, 1, format);
case TextureType::Shadow3D:
return ctx.TypeImage(type, spv::Dim::Dim3D, true, false, false, 1, format);
case TextureType::ShadowCube:
return ctx.TypeImage(type, spv::Dim::Cube, true, false, false, 1, format);
case TextureType::ShadowArrayCube:
return ctx.TypeImage(type, spv::Dim::Cube, true, true, false, 1, format);
return ctx.TypeImage(type, spv::Dim::Cube, depth, true, false, 1, format);
case TextureType::Buffer:
break;
}
throw InvalidArgument("Invalid texture type {}", desc.type);
}
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 Id type{ctx.U32[1]};
switch (desc.type) {
case TextureType::Color1D:
return ctx.TypeImage(type, spv::Dim::Dim1D, false, false, false, 2, format);
case TextureType::ColorArray1D:
return ctx.TypeImage(type, spv::Dim::Dim1D, false, true, false, 2, format);
case TextureType::Color2D:
return ctx.TypeImage(type, spv::Dim::Dim2D, false, false, false, 2, format);
case TextureType::ColorArray2D:
return ctx.TypeImage(type, spv::Dim::Dim2D, false, true, false, 2, format);
case TextureType::Color3D:
return ctx.TypeImage(type, spv::Dim::Dim3D, false, false, false, 2, format);
case TextureType::Buffer:
throw NotImplementedException("Image buffer");
default:
break;
}
throw InvalidArgument("Invalid texture type {}", desc.type);
}
Id DefineVariable(EmitContext& ctx, Id type, std::optional<spv::BuiltIn> builtin,
spv::StorageClass storage_class) {
const Id pointer_type{ctx.TypePointer(storage_class, type)};
@ -134,6 +163,7 @@ EmitContext::EmitContext(const Profile& profile_, IR::Program& program, u32& bin
DefineStorageBuffers(program.info, binding);
DefineTextureBuffers(program.info, binding);
DefineTextures(program.info, binding);
DefineImages(program.info, binding);
DefineAttributeMemAccess(program.info);
DefineLabels(program);
}
@ -572,6 +602,31 @@ void EmitContext::DefineTextures(const Info& info, u32& binding) {
}
}
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");
}
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},
});
}
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());