diff options
Diffstat (limited to 'src/shader_recompiler/backend/spirv/emit_context.cpp')
-rw-r--r-- | src/shader_recompiler/backend/spirv/emit_context.cpp | 86 |
1 files changed, 80 insertions, 6 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_context.cpp b/src/shader_recompiler/backend/spirv/emit_context.cpp index 3c84e6466..723455462 100644 --- a/src/shader_recompiler/backend/spirv/emit_context.cpp +++ b/src/shader_recompiler/backend/spirv/emit_context.cpp @@ -7,11 +7,14 @@ #include <climits> #include <string_view> +#include <boost/container/static_vector.hpp> + #include <fmt/format.h> #include "common/common_types.h" #include "common/div_ceil.h" #include "shader_recompiler/backend/spirv/emit_context.h" +#include "shader_recompiler/backend/spirv/emit_spirv.h" namespace Shader::Backend::SPIRV { namespace { @@ -474,8 +477,9 @@ void VectorTypes::Define(Sirit::Module& sirit_ctx, Id base_type, std::string_vie EmitContext::EmitContext(const Profile& profile_, const RuntimeInfo& runtime_info_, IR::Program& program, Bindings& bindings) - : Sirit::Module(profile_.supported_spirv), profile{profile_}, - runtime_info{runtime_info_}, stage{program.stage} { + : Sirit::Module(profile_.supported_spirv), profile{profile_}, runtime_info{runtime_info_}, + stage{program.stage}, texture_rescaling_index{bindings.texture_scaling_index}, + image_rescaling_index{bindings.image_scaling_index} { const bool is_unified{profile.unified_descriptor_binding}; u32& uniform_binding{is_unified ? bindings.unified : bindings.uniform_buffer}; u32& storage_binding{is_unified ? bindings.unified : bindings.storage_buffer}; @@ -492,10 +496,11 @@ EmitContext::EmitContext(const Profile& profile_, const RuntimeInfo& runtime_inf DefineStorageBuffers(program.info, storage_binding); DefineTextureBuffers(program.info, texture_binding); DefineImageBuffers(program.info, image_binding); - DefineTextures(program.info, texture_binding); - DefineImages(program.info, image_binding); + DefineTextures(program.info, texture_binding, bindings.texture_scaling_index); + DefineImages(program.info, image_binding, bindings.image_scaling_index); DefineAttributeMemAccess(program.info); DefineGlobalMemoryFunctions(program.info); + DefineRescalingInput(program.info); } EmitContext::~EmitContext() = default; @@ -996,6 +1001,73 @@ void EmitContext::DefineGlobalMemoryFunctions(const Info& info) { define(&StorageDefinitions::U32x4, storage_types.U32x4, U32[4], sizeof(u32[4])); } +void EmitContext::DefineRescalingInput(const Info& info) { + if (!info.uses_rescaling_uniform) { + return; + } + if (profile.unified_descriptor_binding) { + DefineRescalingInputPushConstant(); + } else { + DefineRescalingInputUniformConstant(); + } +} + +void EmitContext::DefineRescalingInputPushConstant() { + boost::container::static_vector<Id, 3> members{}; + u32 member_index{0}; + + rescaling_textures_type = TypeArray(U32[1], Const(4u)); + Decorate(rescaling_textures_type, spv::Decoration::ArrayStride, 4u); + members.push_back(rescaling_textures_type); + rescaling_textures_member_index = member_index++; + + rescaling_images_type = TypeArray(U32[1], Const(NUM_IMAGE_SCALING_WORDS)); + Decorate(rescaling_images_type, spv::Decoration::ArrayStride, 4u); + members.push_back(rescaling_images_type); + rescaling_images_member_index = member_index++; + + if (stage != Stage::Compute) { + members.push_back(F32[1]); + rescaling_downfactor_member_index = member_index++; + } + const Id push_constant_struct{TypeStruct(std::span(members.data(), members.size()))}; + Decorate(push_constant_struct, spv::Decoration::Block); + Name(push_constant_struct, "ResolutionInfo"); + + MemberDecorate(push_constant_struct, rescaling_textures_member_index, spv::Decoration::Offset, + static_cast<u32>(offsetof(RescalingLayout, rescaling_textures))); + MemberName(push_constant_struct, rescaling_textures_member_index, "rescaling_textures"); + + MemberDecorate(push_constant_struct, rescaling_images_member_index, spv::Decoration::Offset, + static_cast<u32>(offsetof(RescalingLayout, rescaling_images))); + MemberName(push_constant_struct, rescaling_images_member_index, "rescaling_images"); + + if (stage != Stage::Compute) { + MemberDecorate(push_constant_struct, rescaling_downfactor_member_index, + spv::Decoration::Offset, + static_cast<u32>(offsetof(RescalingLayout, down_factor))); + MemberName(push_constant_struct, rescaling_downfactor_member_index, "down_factor"); + } + const Id pointer_type{TypePointer(spv::StorageClass::PushConstant, push_constant_struct)}; + rescaling_push_constants = AddGlobalVariable(pointer_type, spv::StorageClass::PushConstant); + Name(rescaling_push_constants, "rescaling_push_constants"); + + if (profile.supported_spirv >= 0x00010400) { + interfaces.push_back(rescaling_push_constants); + } +} + +void EmitContext::DefineRescalingInputUniformConstant() { + const Id pointer_type{TypePointer(spv::StorageClass::UniformConstant, F32[4])}; + rescaling_uniform_constant = + AddGlobalVariable(pointer_type, spv::StorageClass::UniformConstant); + Decorate(rescaling_uniform_constant, spv::Decoration::Location, 0u); + + if (profile.supported_spirv >= 0x00010400) { + interfaces.push_back(rescaling_uniform_constant); + } +} + void EmitContext::DefineConstantBuffers(const Info& info, u32& binding) { if (info.constant_buffer_descriptors.empty()) { return; @@ -1184,7 +1256,7 @@ void EmitContext::DefineImageBuffers(const Info& info, u32& binding) { } } -void EmitContext::DefineTextures(const Info& info, u32& binding) { +void EmitContext::DefineTextures(const Info& info, u32& binding, u32& scaling_index) { textures.reserve(info.texture_descriptors.size()); for (const TextureDescriptor& desc : info.texture_descriptors) { const Id image_type{ImageType(*this, desc)}; @@ -1206,13 +1278,14 @@ void EmitContext::DefineTextures(const Info& info, u32& binding) { interfaces.push_back(id); } ++binding; + ++scaling_index; } if (info.uses_atomic_image_u32) { image_u32 = TypePointer(spv::StorageClass::Image, U32[1]); } } -void EmitContext::DefineImages(const Info& info, u32& binding) { +void EmitContext::DefineImages(const Info& info, u32& binding, u32& scaling_index) { images.reserve(info.image_descriptors.size()); for (const ImageDescriptor& desc : info.image_descriptors) { if (desc.count != 1) { @@ -1233,6 +1306,7 @@ void EmitContext::DefineImages(const Info& info, u32& binding) { interfaces.push_back(id); } ++binding; + ++scaling_index; } } |