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// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <type_traits>
#include <utility>
#include "common/bit_field.h"
#include "common/common_types.h"
#include "shader_recompiler/shader_info.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/memory_manager.h"
#include "video_core/renderer_opengl/gl_buffer_cache.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
#include "video_core/renderer_opengl/gl_texture_cache.h"
#include "video_core/transform_feedback.h"
namespace OpenGL {
class Device;
class ProgramManager;
using Maxwell = Tegra::Engines::Maxwell3D::Regs;
struct GraphicsPipelineKey {
std::array<u64, 6> unique_hashes;
union {
u32 raw;
BitField<0, 1, u32> xfb_enabled;
BitField<1, 1, u32> early_z;
BitField<2, 4, Maxwell::PrimitiveTopology> gs_input_topology;
BitField<6, 2, Maxwell::TessellationPrimitive> tessellation_primitive;
BitField<8, 2, Maxwell::TessellationSpacing> tessellation_spacing;
BitField<10, 1, u32> tessellation_clockwise;
};
std::array<u32, 3> padding;
VideoCommon::TransformFeedbackState xfb_state;
size_t Hash() const noexcept;
bool operator==(const GraphicsPipelineKey&) const noexcept;
bool operator!=(const GraphicsPipelineKey& rhs) const noexcept {
return !operator==(rhs);
}
[[nodiscard]] size_t Size() const noexcept {
if (xfb_enabled != 0) {
return sizeof(GraphicsPipelineKey);
} else {
return offsetof(GraphicsPipelineKey, padding);
}
}
};
static_assert(std::has_unique_object_representations_v<GraphicsPipelineKey>);
static_assert(std::is_trivially_copyable_v<GraphicsPipelineKey>);
static_assert(std::is_trivially_constructible_v<GraphicsPipelineKey>);
class GraphicsPipeline {
public:
explicit GraphicsPipeline(const Device& device, TextureCache& texture_cache_,
BufferCache& buffer_cache_, Tegra::MemoryManager& gpu_memory_,
Tegra::Engines::Maxwell3D& maxwell3d_,
ProgramManager& program_manager_, StateTracker& state_tracker_,
OGLProgram program_,
std::array<OGLAssemblyProgram, 5> assembly_programs_,
const std::array<const Shader::Info*, 5>& infos,
const VideoCommon::TransformFeedbackState* xfb_state);
void Configure(bool is_indexed);
void ConfigureTransformFeedback() const {
if (num_xfb_attribs != 0) {
ConfigureTransformFeedbackImpl();
}
}
[[nodiscard]] bool WritesGlobalMemory() const noexcept {
return writes_global_memory;
}
private:
void GenerateTransformFeedbackState(const VideoCommon::TransformFeedbackState& xfb_state);
void ConfigureTransformFeedbackImpl() const;
TextureCache& texture_cache;
BufferCache& buffer_cache;
Tegra::MemoryManager& gpu_memory;
Tegra::Engines::Maxwell3D& maxwell3d;
ProgramManager& program_manager;
StateTracker& state_tracker;
OGLProgram program;
std::array<OGLAssemblyProgram, 5> assembly_programs;
u32 enabled_stages_mask{};
std::array<Shader::Info, 5> stage_infos{};
std::array<u32, 5> base_uniform_bindings{};
std::array<u32, 5> base_storage_bindings{};
std::array<u32, 5> num_texture_buffers{};
std::array<u32, 5> num_image_buffers{};
bool use_storage_buffers{};
bool writes_global_memory{};
static constexpr std::size_t XFB_ENTRY_STRIDE = 3;
GLsizei num_xfb_attribs{};
GLsizei num_xfb_strides{};
std::array<GLint, 128 * XFB_ENTRY_STRIDE * Maxwell::NumTransformFeedbackBuffers> xfb_attribs{};
std::array<GLint, Maxwell::NumTransformFeedbackBuffers> xfb_streams{};
};
} // namespace OpenGL
namespace std {
template <>
struct hash<OpenGL::GraphicsPipelineKey> {
size_t operator()(const OpenGL::GraphicsPipelineKey& k) const noexcept {
return k.Hash();
}
};
} // namespace std
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