106 lines
3.3 KiB
C++
106 lines
3.3 KiB
C++
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// Copyright 2021 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 <type_traits>
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#include <utility>
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#include "common/bit_field.h"
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#include "common/common_types.h"
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#include "shader_recompiler/shader_info.h"
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#include "video_core/engines/maxwell_3d.h"
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#include "video_core/memory_manager.h"
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#include "video_core/renderer_opengl/gl_buffer_cache.h"
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#include "video_core/renderer_opengl/gl_resource_manager.h"
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#include "video_core/renderer_opengl/gl_texture_cache.h"
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namespace OpenGL {
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class ProgramManager;
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using Maxwell = Tegra::Engines::Maxwell3D::Regs;
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struct GraphicsProgramKey {
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struct TransformFeedbackState {
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struct Layout {
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u32 stream;
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u32 varying_count;
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u32 stride;
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};
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std::array<Layout, Maxwell::NumTransformFeedbackBuffers> layouts;
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std::array<std::array<u8, 128>, Maxwell::NumTransformFeedbackBuffers> varyings;
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};
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std::array<u64, 6> unique_hashes;
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union {
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u32 raw;
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BitField<0, 1, u32> xfb_enabled;
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BitField<1, 1, u32> early_z;
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BitField<2, 4, Maxwell::PrimitiveTopology> gs_input_topology;
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BitField<6, 2, Maxwell::TessellationPrimitive> tessellation_primitive;
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BitField<8, 2, Maxwell::TessellationSpacing> tessellation_spacing;
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BitField<10, 1, u32> tessellation_clockwise;
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};
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std::array<u32, 3> padding;
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TransformFeedbackState xfb_state;
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size_t Hash() const noexcept;
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bool operator==(const GraphicsProgramKey&) const noexcept;
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bool operator!=(const GraphicsProgramKey& rhs) const noexcept {
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return !operator==(rhs);
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}
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[[nodiscard]] size_t Size() const noexcept {
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if (xfb_enabled != 0) {
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return sizeof(GraphicsProgramKey);
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} else {
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return offsetof(GraphicsProgramKey, padding);
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}
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}
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};
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static_assert(std::has_unique_object_representations_v<GraphicsProgramKey>);
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static_assert(std::is_trivially_copyable_v<GraphicsProgramKey>);
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static_assert(std::is_trivially_constructible_v<GraphicsProgramKey>);
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class GraphicsProgram {
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public:
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explicit GraphicsProgram(TextureCache& texture_cache_, BufferCache& buffer_cache_,
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Tegra::MemoryManager& gpu_memory_,
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Tegra::Engines::Maxwell3D& maxwell3d_,
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ProgramManager& program_manager_, StateTracker& state_tracker_,
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OGLProgram program_, const std::array<const Shader::Info*, 5>& infos);
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void Configure(bool is_indexed);
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private:
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TextureCache& texture_cache;
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BufferCache& buffer_cache;
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Tegra::MemoryManager& gpu_memory;
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Tegra::Engines::Maxwell3D& maxwell3d;
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ProgramManager& program_manager;
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StateTracker& state_tracker;
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OGLProgram program;
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std::array<Shader::Info, 5> stage_infos{};
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std::array<u32, 5> base_uniform_bindings{};
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std::array<u32, 5> base_storage_bindings{};
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std::array<u32, 5> num_texture_buffers{};
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std::array<u32, 5> num_image_buffers{};
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};
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} // namespace OpenGL
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namespace std {
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template <>
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struct hash<OpenGL::GraphicsProgramKey> {
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size_t operator()(const OpenGL::GraphicsProgramKey& k) const noexcept {
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return k.Hash();
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}
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};
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} // namespace std
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