blob: e8a736c8f1c24d74dca1f9874af6c784de4e67e0 (
plain)
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
127
128
129
130
131
132
133
134
135
|
/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrMtlUtil.h"
#include "GrTypesPriv.h"
bool GrPixelConfigToMTLFormat(GrPixelConfig config, MTLPixelFormat* format) {
MTLPixelFormat dontCare;
if (!format) {
format = &dontCare;
}
switch (config) {
case kUnknown_GrPixelConfig:
return false;
case kRGBA_8888_GrPixelConfig:
*format = MTLPixelFormatRGBA8Unorm;
return true;
case kRGB_888_GrPixelConfig:
// TODO: MTLPixelFormatRGB8Unorm
return false;
case kBGRA_8888_GrPixelConfig:
*format = MTLPixelFormatBGRA8Unorm;
return true;
case kSRGBA_8888_GrPixelConfig:
*format = MTLPixelFormatRGBA8Unorm_sRGB;
return true;
case kSBGRA_8888_GrPixelConfig:
*format = MTLPixelFormatBGRA8Unorm_sRGB;
return true;
case kRGBA_1010102_GrPixelConfig:
*format = MTLPixelFormatRGB10A2Unorm;
return true;
case kRGB_565_GrPixelConfig:
#ifdef SK_BUILD_FOR_IOS
*format = MTLPixelFormatB5G6R5Unorm;
return true;
#else
return false;
#endif
case kRGBA_4444_GrPixelConfig:
#ifdef SK_BUILD_FOR_IOS
*format = MTLPixelFormatABGR4Unorm;
return true;
#else
return false;
#endif
case kAlpha_8_GrPixelConfig: // fall through
case kAlpha_8_as_Red_GrPixelConfig:
*format = MTLPixelFormatR8Unorm;
return true;
case kAlpha_8_as_Alpha_GrPixelConfig:
return false;
case kGray_8_GrPixelConfig: // fall through
case kGray_8_as_Red_GrPixelConfig:
*format = MTLPixelFormatR8Unorm;
return true;
case kGray_8_as_Lum_GrPixelConfig:
return false;
case kRGBA_float_GrPixelConfig:
*format = MTLPixelFormatRGBA32Float;
return true;
case kRG_float_GrPixelConfig:
*format = MTLPixelFormatRG32Float;
return true;
case kRGBA_half_GrPixelConfig:
*format = MTLPixelFormatRGBA16Float;
return true;
case kAlpha_half_GrPixelConfig: // fall through
case kAlpha_half_as_Red_GrPixelConfig:
*format = MTLPixelFormatR16Float;
return true;
}
SK_ABORT("Unexpected config");
return false;
}
GrPixelConfig GrMTLFormatToPixelConfig(MTLPixelFormat format) {
switch (format) {
case MTLPixelFormatRGBA8Unorm:
return kRGBA_8888_GrPixelConfig;
case MTLPixelFormatBGRA8Unorm:
return kBGRA_8888_GrPixelConfig;
case MTLPixelFormatRGBA8Unorm_sRGB:
return kSRGBA_8888_GrPixelConfig;
case MTLPixelFormatBGRA8Unorm_sRGB:
return kSBGRA_8888_GrPixelConfig;
case MTLPixelFormatRGB10A2Unorm:
return kRGBA_1010102_GrPixelConfig;
#ifdef SK_BUILD_FOR_IOS
case MTLPixelFormatB5G6R5Unorm:
return kRGB_565_GrPixelConfig;
case MTLPixelFormatABGR4Unorm:
return kRGBA_4444_GrPixelConfig;
#endif
case MTLPixelFormatR8Unorm:
// We currently set this to be Alpha_8 and have no way to go to Gray_8
return kAlpha_8_GrPixelConfig;
case MTLPixelFormatRGBA32Float:
return kRGBA_float_GrPixelConfig;
case MTLPixelFormatRG32Float:
return kRG_float_GrPixelConfig;
case MTLPixelFormatRGBA16Float:
return kRGBA_half_GrPixelConfig;
case MTLPixelFormatR16Float:
return kAlpha_half_GrPixelConfig;
default:
return kUnknown_GrPixelConfig;
}
}
bool GrMTLFormatIsSRGB(MTLPixelFormat format, MTLPixelFormat* linearFormat) {
MTLPixelFormat linearFmt = format;
switch (format) {
case MTLPixelFormatRGBA8Unorm_sRGB:
linearFmt = MTLPixelFormatRGBA8Unorm;
break;
case MTLPixelFormatBGRA8Unorm_sRGB:
linearFmt = MTLPixelFormatBGRA8Unorm;
break;
default:
break;
}
if (linearFormat) {
*linearFormat = linearFmt;
}
return (linearFmt != format);
}
|
