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// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <atomic>
#include <bitset>
#include <memory>
#include <string>
#include <tuple>
#include <unordered_map>
#include <unordered_set>
#include <vector>
#include <glad/glad.h>
#include "common/common_types.h"
#include "video_core/engines/shader_type.h"
#include "video_core/rasterizer_cache.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
#include "video_core/renderer_opengl/gl_shader_decompiler.h"
#include "video_core/renderer_opengl/gl_shader_disk_cache.h"
#include "video_core/shader/registry.h"
#include "video_core/shader/shader_ir.h"
namespace Core {
class System;
}
namespace Core::Frontend {
class EmuWindow;
}
namespace OpenGL {
class CachedShader;
class Device;
class RasterizerOpenGL;
struct UnspecializedShader;
using Shader = std::shared_ptr<CachedShader>;
using Maxwell = Tegra::Engines::Maxwell3D::Regs;
struct PrecompiledShader {
std::shared_ptr<OGLProgram> program;
std::shared_ptr<VideoCommon::Shader::Registry> registry;
ShaderEntries entries;
};
struct ShaderParameters {
Core::System& system;
ShaderDiskCacheOpenGL& disk_cache;
const Device& device;
VAddr cpu_addr;
u8* host_ptr;
u64 unique_identifier;
};
class CachedShader final : public RasterizerCacheObject {
public:
~CachedShader();
/// Gets the GL program handle for the shader
GLuint GetHandle() const;
/// Returns the size in bytes of the shader
std::size_t GetSizeInBytes() const override {
return size_in_bytes;
}
/// Gets the shader entries for the shader
const ShaderEntries& GetEntries() const {
return entries;
}
static Shader CreateStageFromMemory(const ShaderParameters& params,
Maxwell::ShaderProgram program_type,
ProgramCode program_code, ProgramCode program_code_b);
static Shader CreateKernelFromMemory(const ShaderParameters& params, ProgramCode code);
static Shader CreateFromCache(const ShaderParameters& params,
const PrecompiledShader& precompiled_shader,
std::size_t size_in_bytes);
private:
explicit CachedShader(VAddr cpu_addr, std::size_t size_in_bytes,
std::shared_ptr<VideoCommon::Shader::Registry> registry,
ShaderEntries entries, std::shared_ptr<OGLProgram> program);
std::shared_ptr<VideoCommon::Shader::Registry> registry;
ShaderEntries entries;
std::size_t size_in_bytes = 0;
std::shared_ptr<OGLProgram> program;
};
class ShaderCacheOpenGL final : public RasterizerCache<Shader> {
public:
explicit ShaderCacheOpenGL(RasterizerOpenGL& rasterizer, Core::System& system,
Core::Frontend::EmuWindow& emu_window, const Device& device);
/// Loads disk cache for the current game
void LoadDiskCache(const std::atomic_bool& stop_loading,
const VideoCore::DiskResourceLoadCallback& callback);
/// Gets the current specified shader stage program
Shader GetStageProgram(Maxwell::ShaderProgram program);
/// Gets a compute kernel in the passed address
Shader GetComputeKernel(GPUVAddr code_addr);
protected:
// We do not have to flush this cache as things in it are never modified by us.
void FlushObjectInner(const Shader& object) override {}
private:
std::shared_ptr<OGLProgram> GeneratePrecompiledProgram(
const ShaderDiskCacheEntry& entry, const ShaderDiskCachePrecompiled& precompiled_entry,
const std::unordered_set<GLenum>& supported_formats);
Core::System& system;
Core::Frontend::EmuWindow& emu_window;
const Device& device;
ShaderDiskCacheOpenGL disk_cache;
std::unordered_map<u64, PrecompiledShader> runtime_cache;
std::array<Shader, Maxwell::MaxShaderProgram> last_shaders;
};
} // namespace OpenGL
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