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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 <map>
#include <memory>
#include "common/common_types.h"
#include "video_core/rasterizer_cache.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
#include "video_core/renderer_opengl/gl_shader_gen.h"
namespace OpenGL {
class CachedShader;
using Shader = std::shared_ptr<CachedShader>;
using Maxwell = Tegra::Engines::Maxwell3D::Regs;
class CachedShader final {
public:
CachedShader(VAddr addr, Maxwell::ShaderProgram program_type);
/// Gets the address of the shader in guest memory, required for cache management
VAddr GetAddr() const {
return addr;
}
/// Gets the size of the shader in guest memory, required for cache management
size_t GetSizeInBytes() const {
return GLShader::MAX_PROGRAM_CODE_LENGTH * sizeof(u64);
}
/// Gets the shader entries for the shader
const GLShader::ShaderEntries& GetShaderEntries() const {
return entries;
}
/// Gets the GL program handle for the shader
GLuint GetProgramHandle() const {
return program.handle;
}
/// Gets the GL program resource location for the specified resource, caching as needed
GLuint GetProgramResourceIndex(const GLShader::ConstBufferEntry& buffer);
/// Gets the GL uniform location for the specified resource, caching as needed
GLint GetUniformLocation(const GLShader::SamplerEntry& sampler);
private:
VAddr addr;
Maxwell::ShaderProgram program_type;
GLShader::ShaderSetup setup;
GLShader::ShaderEntries entries;
OGLProgram program;
std::map<u32, GLuint> resource_cache;
std::map<u32, GLint> uniform_cache;
};
class ShaderCacheOpenGL final : public RasterizerCache<Shader> {
public:
/// Gets the current specified shader stage program
Shader GetStageProgram(Maxwell::ShaderProgram program);
};
} // namespace OpenGL
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