jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2021, 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/FixedArray.h>
11#include <AK/RefPtr.h>
12#include <LibGPU/Image.h>
13#include <LibGPU/ImageDataLayout.h>
14#include <LibGPU/ImageFormat.h>
15#include <LibGfx/Vector3.h>
16#include <LibGfx/Vector4.h>
17#include <LibSoftGPU/Buffer/Typed3DBuffer.h>
18
19namespace SoftGPU {
20
21class Image final : public GPU::Image {
22public:
23 Image(void const* ownership_token, GPU::PixelFormat const&, u32 width, u32 height, u32 depth, u32 max_levels);
24
25 bool width_is_power_of_two() const { return m_width_is_power_of_two; }
26 bool height_is_power_of_two() const { return m_height_is_power_of_two; }
27 bool depth_is_power_of_two() const { return m_depth_is_power_of_two; }
28
29 GPU::ImageDataLayout image_data_layout(u32 level, Vector3<i32> offset) const;
30 virtual void regenerate_mipmaps() override;
31
32 FloatVector4 const& texel(u32 level, int x, int y, int z) const
33 {
34 return *texel_pointer(level, x, y, z);
35 }
36
37 void set_texel(u32 level, int x, int y, int z, FloatVector4 const& color)
38 {
39 *texel_pointer(level, x, y, z) = color;
40 }
41
42 virtual void write_texels(u32 level, Vector3<i32> const& output_offset, void const* input_data, GPU::ImageDataLayout const&) override;
43 virtual void read_texels(u32 level, Vector3<i32> const& input_offset, void* output_data, GPU::ImageDataLayout const&) const override;
44 virtual void copy_texels(GPU::Image const& source, u32 source_level, Vector3<u32> const& source_offset, Vector3<u32> const& size, u32 destination_level, Vector3<u32> const& destination_offset) override;
45
46 FloatVector4 const* texel_pointer(u32 level, int x, int y, int z) const
47 {
48 return m_mipmap_buffers[level]->buffer_pointer(x, y, z);
49 }
50
51 FloatVector4* texel_pointer(u32 level, int x, int y, int z)
52 {
53 return m_mipmap_buffers[level]->buffer_pointer(x, y, z);
54 }
55
56private:
57 FixedArray<RefPtr<Typed3DBuffer<FloatVector4>>> m_mipmap_buffers;
58
59 bool m_width_is_power_of_two { false };
60 bool m_height_is_power_of_two { false };
61 bool m_depth_is_power_of_two { false };
62};
63
64}