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/Array.h>
11#include <LibGPU/Image.h>
12#include <LibGfx/Vector4.h>
13
14namespace GPU {
15
16enum class TextureFilter {
17 Nearest,
18 Linear,
19};
20
21enum class MipMapFilter {
22 None,
23 Nearest,
24 Linear,
25};
26
27enum class TextureWrapMode {
28 Repeat,
29 MirroredRepeat,
30 Clamp,
31 ClampToBorder,
32 ClampToEdge,
33};
34
35enum class TextureEnvMode {
36 Add,
37 Blend,
38 Combine,
39 Decal,
40 Modulate,
41 Replace,
42};
43
44enum class TextureCombinator {
45 Add,
46 AddSigned,
47 Dot3RGB,
48 Dot3RGBA,
49 Interpolate,
50 Modulate,
51 Replace,
52 Subtract,
53};
54
55enum class TextureOperand {
56 OneMinusSourceAlpha,
57 OneMinusSourceColor,
58 SourceAlpha,
59 SourceColor,
60};
61
62enum class TextureSource {
63 Constant,
64 Previous,
65 PrimaryColor,
66 Texture,
67 TextureStage,
68};
69
70struct FixedFunctionTextureEnvironment final {
71 TextureCombinator alpha_combinator { TextureCombinator::Modulate };
72 Array<TextureOperand, 3> alpha_operand { TextureOperand::SourceAlpha, TextureOperand::SourceAlpha, TextureOperand::SourceAlpha };
73 float alpha_scale { 1.f };
74 Array<TextureSource, 3> alpha_source { TextureSource::Texture, TextureSource::Previous, TextureSource::Constant };
75 u8 alpha_source_texture_stage { 0 };
76 FloatVector4 color { 0.f, 0.f, 0.f, 0.f };
77 TextureEnvMode env_mode { TextureEnvMode::Modulate };
78 TextureCombinator rgb_combinator { TextureCombinator::Modulate };
79 Array<TextureOperand, 3> rgb_operand { TextureOperand::SourceColor, TextureOperand::SourceColor, TextureOperand::SourceAlpha };
80 float rgb_scale { 1.f };
81 Array<TextureSource, 3> rgb_source { TextureSource::Texture, TextureSource::Previous, TextureSource::Constant };
82 u8 rgb_source_texture_stage { 0 };
83};
84
85struct SamplerConfig final {
86 RefPtr<Image> bound_image;
87 float level_of_detail_bias { 0.f };
88 MipMapFilter mipmap_filter { MipMapFilter::Nearest };
89 TextureFilter texture_mag_filter { TextureFilter::Linear };
90 TextureFilter texture_min_filter { TextureFilter::Linear };
91 TextureWrapMode texture_wrap_u { TextureWrapMode::Repeat };
92 TextureWrapMode texture_wrap_v { TextureWrapMode::Repeat };
93 TextureWrapMode texture_wrap_w { TextureWrapMode::Repeat };
94 FloatVector4 border_color { 0.f, 0.f, 0.f, 1.f };
95 FixedFunctionTextureEnvironment fixed_function_texture_environment {};
96};
97
98}