forked from suyu/suyu
114 lines
3.3 KiB
C++
114 lines
3.3 KiB
C++
// Copyright 2019 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <set>
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#include <vector>
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#include "common/common_types.h"
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#include "video_core/engines/maxwell_3d.h"
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#include "video_core/engines/shader_type.h"
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#include "video_core/shader/registry.h"
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#include "video_core/shader/shader_ir.h"
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namespace Vulkan {
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class VKDevice;
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}
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namespace Vulkan {
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using Maxwell = Tegra::Engines::Maxwell3D::Regs;
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using UniformTexelEntry = VideoCommon::Shader::Sampler;
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using SamplerEntry = VideoCommon::Shader::Sampler;
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using StorageTexelEntry = VideoCommon::Shader::Image;
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using ImageEntry = VideoCommon::Shader::Image;
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constexpr u32 DESCRIPTOR_SET = 0;
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class ConstBufferEntry : public VideoCommon::Shader::ConstBuffer {
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public:
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explicit constexpr ConstBufferEntry(const VideoCommon::Shader::ConstBuffer& entry, u32 index)
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: VideoCommon::Shader::ConstBuffer{entry}, index{index} {}
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constexpr u32 GetIndex() const {
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return index;
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}
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private:
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u32 index{};
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};
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class GlobalBufferEntry {
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public:
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constexpr explicit GlobalBufferEntry(u32 cbuf_index, u32 cbuf_offset, bool is_written)
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: cbuf_index{cbuf_index}, cbuf_offset{cbuf_offset}, is_written{is_written} {}
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constexpr u32 GetCbufIndex() const {
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return cbuf_index;
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}
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constexpr u32 GetCbufOffset() const {
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return cbuf_offset;
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}
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constexpr bool IsWritten() const {
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return is_written;
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}
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private:
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u32 cbuf_index{};
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u32 cbuf_offset{};
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bool is_written{};
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};
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struct ShaderEntries {
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u32 NumBindings() const {
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return static_cast<u32>(const_buffers.size() + global_buffers.size() +
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uniform_texels.size() + samplers.size() + storage_texels.size() +
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images.size());
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}
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std::vector<ConstBufferEntry> const_buffers;
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std::vector<GlobalBufferEntry> global_buffers;
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std::vector<UniformTexelEntry> uniform_texels;
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std::vector<SamplerEntry> samplers;
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std::vector<StorageTexelEntry> storage_texels;
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std::vector<ImageEntry> images;
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std::set<u32> attributes;
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std::array<bool, Maxwell::NumClipDistances> clip_distances{};
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std::size_t shader_length{};
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bool uses_warps{};
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};
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struct Specialization final {
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u32 base_binding{};
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// Compute specific
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std::array<u32, 3> workgroup_size{};
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u32 shared_memory_size{};
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// Graphics specific
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std::optional<float> point_size;
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std::bitset<Maxwell::NumVertexAttributes> enabled_attributes;
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std::array<Maxwell::VertexAttribute::Type, Maxwell::NumVertexAttributes> attribute_types{};
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bool ndc_minus_one_to_one{};
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};
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// Old gcc versions don't consider this trivially copyable.
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// static_assert(std::is_trivially_copyable_v<Specialization>);
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struct SPIRVShader {
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std::vector<u32> code;
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ShaderEntries entries;
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};
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ShaderEntries GenerateShaderEntries(const VideoCommon::Shader::ShaderIR& ir);
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std::vector<u32> Decompile(const VKDevice& device, const VideoCommon::Shader::ShaderIR& ir,
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Tegra::Engines::ShaderType stage,
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const VideoCommon::Shader::Registry& registry,
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const Specialization& specialization);
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} // namespace Vulkan
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