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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <cstring>
#include <type_traits>
#include <utility>
#include "common/bit_field.h"
#include "common/cityhash.h"
#include "common/common_types.h"
#include "shader_recompiler/shader_info.h"
#include "video_core/engines/maxwell_3d.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 {
namespace ShaderContext {
struct Context;
}
class Device;
class ProgramManager;
using Maxwell = Tegra::Engines::Maxwell3D::Regs;
using ShaderWorker = Common::StatefulThreadWorker<ShaderContext::Context>;
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::Tessellation::DomainType> tessellation_primitive;
BitField<8, 2, Maxwell::Tessellation::Spacing> tessellation_spacing;
BitField<10, 1, u32> tessellation_clockwise;
BitField<11, 3, Tegra::Engines::Maxwell3D::EngineHint> app_stage;
};
std::array<u32, 3> padding;
VideoCommon::TransformFeedbackState xfb_state;
size_t Hash() const noexcept {
return static_cast<size_t>(Common::CityHash64(reinterpret_cast<const char*>(this), Size()));
}
bool operator==(const GraphicsPipelineKey& rhs) const noexcept {
return std::memcmp(this, &rhs, Size()) == 0;
}
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_, ProgramManager& program_manager_,
StateTracker& state_tracker_, ShaderWorker* thread_worker,
VideoCore::ShaderNotify* shader_notify,
std::array<std::string, 5> sources,
std::array<std::vector<u32>, 5> sources_spirv,
const std::array<const Shader::Info*, 5>& infos,
const GraphicsPipelineKey& key_, bool force_context_flush = false);
void Configure(bool is_indexed) {
configure_func(this, is_indexed);
}
void ConfigureTransformFeedback() const {
if (num_xfb_attribs != 0) {
ConfigureTransformFeedbackImpl();
}
}
[[nodiscard]] const GraphicsPipelineKey& Key() const noexcept {
return key;
}
[[nodiscard]] bool WritesGlobalMemory() const noexcept {
return writes_global_memory;
}
[[nodiscard]] bool IsBuilt() noexcept;
template <typename Spec>
static auto MakeConfigureSpecFunc() {
return [](GraphicsPipeline* pipeline, bool is_indexed) {
pipeline->ConfigureImpl<Spec>(is_indexed);
};
}
void SetEngine(Tegra::Engines::Maxwell3D* maxwell3d_, Tegra::MemoryManager* gpu_memory_) {
maxwell3d = maxwell3d_;
gpu_memory = gpu_memory_;
}
private:
template <typename Spec>
void ConfigureImpl(bool is_indexed);
void ConfigureTransformFeedbackImpl() const;
void GenerateTransformFeedbackState();
void WaitForBuild();
TextureCache& texture_cache;
BufferCache& buffer_cache;
Tegra::MemoryManager* gpu_memory;
Tegra::Engines::Maxwell3D* maxwell3d;
ProgramManager& program_manager;
StateTracker& state_tracker;
const GraphicsPipelineKey key;
void (*configure_func)(GraphicsPipeline*, bool){};
std::array<OGLProgram, 5> source_programs;
std::array<OGLAssemblyProgram, 5> assembly_programs;
u32 enabled_stages_mask{};
std::array<Shader::Info, 5> stage_infos{};
std::array<u32, 5> enabled_uniform_buffer_masks{};
VideoCommon::UniformBufferSizes uniform_buffer_sizes{};
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{};
std::mutex built_mutex;
std::condition_variable built_condvar;
OGLSync built_fence{};
bool is_built{false};
};
} // 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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