yuzu/src/video_core/guest_driver.h

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// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <vector>
#include "common/common_types.h"
namespace VideoCore {
/**
* The GuestDriverProfile class is used to learn about the GPU drivers behavior and collect
* information necessary for impossible to avoid HLE methods like shader tracks.
*/
class GuestDriverProfile {
public:
u32 GetTextureHandlerSize() const {
return texture_handler_size;
}
bool TextureHandlerSizeKnown() const {
return texture_handler_size_deduced;
}
void DeduceTextureHandlerSize(std::vector<u32>&& bound_offsets);
private:
// Minimum size of texture handler any driver can use.
static constexpr u32 min_texture_handler_size = 4;
// This goes with Vulkan and OpenGL standards but Nvidia GPUs can easily
// use 4 bytes instead. Thus, certain drivers may squish the size.
static constexpr u32 default_texture_handler_size = 8;
u32 texture_handler_size{default_texture_handler_size};
bool texture_handler_size_deduced{};
};
} // namespace VideoCore