jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2022, Stephan Unverwerth <s.unverwerth@serenityos.org>
3 * Copyright (c) 2022, Jelle Raaijmakers <jelle@gmta.nl>
4 *
5 * SPDX-License-Identifier: BSD-2-Clause
6 */
7
8#pragma once
9
10#include <AK/RefCounted.h>
11#include <AK/Vector.h>
12#include <LibGPU/ImageDataLayout.h>
13#include <LibGPU/ImageFormat.h>
14#include <LibGfx/Vector3.h>
15
16namespace GPU {
17
18class Image : public RefCounted<Image> {
19public:
20 Image(void const* ownership_token, PixelFormat const&, u32 width, u32 height, u32 depth, u32 max_levels);
21 virtual ~Image() { }
22
23 u32 width_at_level(u32 level) const { return m_mipmap_sizes[level].x(); }
24 u32 height_at_level(u32 level) const { return m_mipmap_sizes[level].y(); }
25 u32 depth_at_level(u32 level) const { return m_mipmap_sizes[level].z(); }
26 u32 number_of_levels() const { return m_mipmap_sizes.size(); }
27
28 PixelFormat pixel_format() const { return m_pixel_format; }
29
30 virtual void regenerate_mipmaps() = 0;
31
32 virtual void write_texels(u32 level, Vector3<i32> const& output_offset, void const* input_data, ImageDataLayout const&) = 0;
33 virtual void read_texels(u32 level, Vector3<i32> const& input_offset, void* output_data, ImageDataLayout const&) const = 0;
34 virtual void copy_texels(Image const& source, u32 source_level, Vector3<u32> const& source_offset, Vector3<u32> const& size, u32 destination_level, Vector3<u32> const& destination_offset) = 0;
35
36 void const* ownership_token() const { return m_ownership_token; }
37 bool has_same_ownership_token(Image const& other) const { return other.ownership_token() == ownership_token(); }
38
39private:
40 void const* const m_ownership_token { nullptr };
41 Vector<Vector3<u32>> m_mipmap_sizes;
42 PixelFormat m_pixel_format;
43};
44
45}