summaryrefslogtreecommitdiffstats
path: root/src/video_core/guest_driver.h
blob: e08588ee98ea701112b793bf126fde90ac0caa68 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
// Copyright 2020 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