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
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
/*
* Copyright (C) 2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(GPU_PROCESS)
#include "WebGPUStencilFaceState.h"
#include <optional>
#include <pal/graphics/WebGPU/WebGPUCompareFunction.h>
#include <pal/graphics/WebGPU/WebGPUIntegralTypes.h>
#include <pal/graphics/WebGPU/WebGPUTextureFormat.h>
namespace WebKit::WebGPU {
struct DepthStencilState {
PAL::WebGPU::TextureFormat format { PAL::WebGPU::TextureFormat::R8unorm };
bool depthWriteEnabled { false };
PAL::WebGPU::CompareFunction depthCompare { PAL::WebGPU::CompareFunction::Always };
StencilFaceState stencilFront;
StencilFaceState stencilBack;
std::optional<PAL::WebGPU::StencilValue> stencilReadMask;
std::optional<PAL::WebGPU::StencilValue> stencilWriteMask;
PAL::WebGPU::DepthBias depthBias { 0 };
float depthBiasSlopeScale { 0 };
float depthBiasClamp { 0 };
template<class Encoder> void encode(Encoder& encoder) const
{
encoder << format;
encoder << depthWriteEnabled;
encoder << depthCompare;
encoder << stencilFront;
encoder << stencilBack;
encoder << stencilReadMask;
encoder << stencilWriteMask;
encoder << depthBias;
encoder << depthBiasSlopeScale;
encoder << depthBiasClamp;
}
template<class Decoder> static std::optional<DepthStencilState> decode(Decoder& decoder)
{
std::optional<PAL::WebGPU::TextureFormat> format;
decoder >> format;
if (!format)
return std::nullopt;
std::optional<bool> depthWriteEnabled;
decoder >> depthWriteEnabled;
if (!depthWriteEnabled)
return std::nullopt;
std::optional<PAL::WebGPU::CompareFunction> depthCompare;
decoder >> depthCompare;
if (!depthCompare)
return std::nullopt;
std::optional<StencilFaceState> stencilFront;
decoder >> stencilFront;
if (!stencilFront)
return std::nullopt;
std::optional<StencilFaceState> stencilBack;
decoder >> stencilBack;
if (!stencilBack)
return std::nullopt;
std::optional<std::optional<PAL::WebGPU::StencilValue>> stencilReadMask;
decoder >> stencilReadMask;
if (!stencilReadMask)
return std::nullopt;
std::optional<std::optional<PAL::WebGPU::StencilValue>> stencilWriteMask;
decoder >> stencilWriteMask;
if (!stencilWriteMask)
return std::nullopt;
std::optional<PAL::WebGPU::DepthBias> depthBias;
decoder >> depthBias;
if (!depthBias)
return std::nullopt;
std::optional<float> depthBiasSlopeScale;
decoder >> depthBiasSlopeScale;
if (!depthBiasSlopeScale)
return std::nullopt;
std::optional<float> depthBiasClamp;
decoder >> depthBiasClamp;
if (!depthBiasClamp)
return std::nullopt;
return { { WTFMove(*format), WTFMove(*depthWriteEnabled), WTFMove(*depthCompare), WTFMove(*stencilFront), WTFMove(*stencilBack), WTFMove(*stencilReadMask), WTFMove(*stencilWriteMask), WTFMove(*depthBias), WTFMove(*depthBiasSlopeScale), WTFMove(*depthBiasClamp) } };
}
};
} // namespace WebKit::WebGPU
#endif // ENABLE(GPU_PROCESS)
|
