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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "cc/resources/resource_format.h" | 5 #include "cc/resources/resource_format.h" |
6 | 6 |
7 #include "third_party/khronos/GLES2/gl2.h" | 7 #include "third_party/khronos/GLES2/gl2.h" |
8 #include "third_party/khronos/GLES2/gl2ext.h" | 8 #include "third_party/khronos/GLES2/gl2ext.h" |
9 #include "ui/gfx/gpu_memory_buffer.h" | 9 #include "ui/gfx/gpu_memory_buffer.h" |
10 | 10 |
11 namespace cc { | 11 namespace cc { |
12 | 12 |
13 int BitsPerPixel(ResourceFormat format) { | 13 int BitsPerPixel(ResourceFormat format) { |
14 switch (format) { | 14 switch (format) { |
| 15 case RGBA_F16: |
| 16 return 64; |
15 case BGRA_8888: | 17 case BGRA_8888: |
16 case RGBA_8888: | 18 case RGBA_8888: |
17 return 32; | 19 return 32; |
18 case RGBA_4444: | 20 case RGBA_4444: |
19 case RGB_565: | 21 case RGB_565: |
20 case LUMINANCE_F16: | 22 case LUMINANCE_F16: |
21 return 16; | 23 return 16; |
22 case ALPHA_8: | 24 case ALPHA_8: |
23 case LUMINANCE_8: | 25 case LUMINANCE_8: |
24 case RED_8: | 26 case RED_8: |
(...skipping 10 matching lines...) Expand all Loading... |
35 static const GLenum format_gl_data_type[] = { | 37 static const GLenum format_gl_data_type[] = { |
36 GL_UNSIGNED_BYTE, // RGBA_8888 | 38 GL_UNSIGNED_BYTE, // RGBA_8888 |
37 GL_UNSIGNED_SHORT_4_4_4_4, // RGBA_4444 | 39 GL_UNSIGNED_SHORT_4_4_4_4, // RGBA_4444 |
38 GL_UNSIGNED_BYTE, // BGRA_8888 | 40 GL_UNSIGNED_BYTE, // BGRA_8888 |
39 GL_UNSIGNED_BYTE, // ALPHA_8 | 41 GL_UNSIGNED_BYTE, // ALPHA_8 |
40 GL_UNSIGNED_BYTE, // LUMINANCE_8 | 42 GL_UNSIGNED_BYTE, // LUMINANCE_8 |
41 GL_UNSIGNED_SHORT_5_6_5, // RGB_565, | 43 GL_UNSIGNED_SHORT_5_6_5, // RGB_565, |
42 GL_UNSIGNED_BYTE, // ETC1 | 44 GL_UNSIGNED_BYTE, // ETC1 |
43 GL_UNSIGNED_BYTE, // RED_8 | 45 GL_UNSIGNED_BYTE, // RED_8 |
44 GL_HALF_FLOAT_OES, // LUMINANCE_F16 | 46 GL_HALF_FLOAT_OES, // LUMINANCE_F16 |
| 47 GL_HALF_FLOAT_OES, // RGBA_F16 |
45 }; | 48 }; |
46 static_assert(arraysize(format_gl_data_type) == (RESOURCE_FORMAT_MAX + 1), | 49 static_assert(arraysize(format_gl_data_type) == (RESOURCE_FORMAT_MAX + 1), |
47 "format_gl_data_type does not handle all cases."); | 50 "format_gl_data_type does not handle all cases."); |
48 | 51 |
49 return format_gl_data_type[format]; | 52 return format_gl_data_type[format]; |
50 } | 53 } |
51 | 54 |
52 GLenum GLDataFormat(ResourceFormat format) { | 55 GLenum GLDataFormat(ResourceFormat format) { |
53 DCHECK_LE(format, RESOURCE_FORMAT_MAX); | 56 DCHECK_LE(format, RESOURCE_FORMAT_MAX); |
54 static const GLenum format_gl_data_format[] = { | 57 static const GLenum format_gl_data_format[] = { |
55 GL_RGBA, // RGBA_8888 | 58 GL_RGBA, // RGBA_8888 |
56 GL_RGBA, // RGBA_4444 | 59 GL_RGBA, // RGBA_4444 |
57 GL_BGRA_EXT, // BGRA_8888 | 60 GL_BGRA_EXT, // BGRA_8888 |
58 GL_ALPHA, // ALPHA_8 | 61 GL_ALPHA, // ALPHA_8 |
59 GL_LUMINANCE, // LUMINANCE_8 | 62 GL_LUMINANCE, // LUMINANCE_8 |
60 GL_RGB, // RGB_565 | 63 GL_RGB, // RGB_565 |
61 GL_ETC1_RGB8_OES, // ETC1 | 64 GL_ETC1_RGB8_OES, // ETC1 |
62 GL_RED_EXT, // RED_8 | 65 GL_RED_EXT, // RED_8 |
63 GL_LUMINANCE, // LUMINANCE_F16 | 66 GL_LUMINANCE, // LUMINANCE_F16 |
| 67 GL_RGBA, // RGBA_F16 |
64 }; | 68 }; |
65 static_assert(arraysize(format_gl_data_format) == (RESOURCE_FORMAT_MAX + 1), | 69 static_assert(arraysize(format_gl_data_format) == (RESOURCE_FORMAT_MAX + 1), |
66 "format_gl_data_format does not handle all cases."); | 70 "format_gl_data_format does not handle all cases."); |
67 return format_gl_data_format[format]; | 71 return format_gl_data_format[format]; |
68 } | 72 } |
69 | 73 |
70 GLenum GLInternalFormat(ResourceFormat format) { | 74 GLenum GLInternalFormat(ResourceFormat format) { |
71 // In GLES2, the internal format must match the texture format. (It no longer | 75 // In GLES2, the internal format must match the texture format. (It no longer |
72 // is true in GLES3, however it still holds for the BGRA extension.) | 76 // is true in GLES3, however it still holds for the BGRA extension.) |
73 return GLDataFormat(format); | 77 return GLDataFormat(format); |
(...skipping 10 matching lines...) Expand all Loading... |
84 static const GLenum format_gl_data_format[] = { | 88 static const GLenum format_gl_data_format[] = { |
85 GL_RGBA, // RGBA_8888 | 89 GL_RGBA, // RGBA_8888 |
86 GL_RGBA, // RGBA_4444 | 90 GL_RGBA, // RGBA_4444 |
87 GL_RGBA, // BGRA_8888 | 91 GL_RGBA, // BGRA_8888 |
88 GL_ALPHA, // ALPHA_8 | 92 GL_ALPHA, // ALPHA_8 |
89 GL_LUMINANCE, // LUMINANCE_8 | 93 GL_LUMINANCE, // LUMINANCE_8 |
90 GL_RGB, // RGB_565 | 94 GL_RGB, // RGB_565 |
91 GL_RGB, // ETC1 | 95 GL_RGB, // ETC1 |
92 GL_LUMINANCE, // RED_8 | 96 GL_LUMINANCE, // RED_8 |
93 GL_LUMINANCE, // LUMINANCE_F16 | 97 GL_LUMINANCE, // LUMINANCE_F16 |
| 98 GL_RGBA, // RGBA_F16 |
94 }; | 99 }; |
95 static_assert(arraysize(format_gl_data_format) == (RESOURCE_FORMAT_MAX + 1), | 100 static_assert(arraysize(format_gl_data_format) == (RESOURCE_FORMAT_MAX + 1), |
96 "format_gl_data_format does not handle all cases."); | 101 "format_gl_data_format does not handle all cases."); |
97 return format_gl_data_format[format]; | 102 return format_gl_data_format[format]; |
98 } | 103 } |
99 | 104 |
100 gfx::BufferFormat BufferFormat(ResourceFormat format) { | 105 gfx::BufferFormat BufferFormat(ResourceFormat format) { |
101 switch (format) { | 106 switch (format) { |
102 case BGRA_8888: | 107 case BGRA_8888: |
103 return gfx::BufferFormat::BGRA_8888; | 108 return gfx::BufferFormat::BGRA_8888; |
104 case RED_8: | 109 case RED_8: |
105 return gfx::BufferFormat::R_8; | 110 return gfx::BufferFormat::R_8; |
106 case RGBA_4444: | 111 case RGBA_4444: |
107 return gfx::BufferFormat::RGBA_4444; | 112 return gfx::BufferFormat::RGBA_4444; |
108 case RGBA_8888: | 113 case RGBA_8888: |
109 return gfx::BufferFormat::RGBA_8888; | 114 return gfx::BufferFormat::RGBA_8888; |
110 case ETC1: | 115 case ETC1: |
111 return gfx::BufferFormat::ETC1; | 116 return gfx::BufferFormat::ETC1; |
112 case ALPHA_8: | 117 case ALPHA_8: |
113 case LUMINANCE_8: | 118 case LUMINANCE_8: |
114 case RGB_565: | 119 case RGB_565: |
115 case LUMINANCE_F16: | 120 case LUMINANCE_F16: |
| 121 case RGBA_F16: |
116 break; | 122 break; |
117 } | 123 } |
118 NOTREACHED(); | 124 NOTREACHED(); |
119 return gfx::BufferFormat::RGBA_8888; | 125 return gfx::BufferFormat::RGBA_8888; |
120 } | 126 } |
121 | 127 |
122 bool IsResourceFormatCompressed(ResourceFormat format) { | 128 bool IsResourceFormatCompressed(ResourceFormat format) { |
123 return format == ETC1; | 129 return format == ETC1; |
124 } | 130 } |
125 | 131 |
126 bool DoesResourceFormatSupportAlpha(ResourceFormat format) { | 132 bool DoesResourceFormatSupportAlpha(ResourceFormat format) { |
127 switch (format) { | 133 switch (format) { |
128 case RGBA_4444: | 134 case RGBA_4444: |
129 case RGBA_8888: | 135 case RGBA_8888: |
130 case BGRA_8888: | 136 case BGRA_8888: |
131 case ALPHA_8: | 137 case ALPHA_8: |
| 138 case RGBA_F16: |
132 return true; | 139 return true; |
133 case LUMINANCE_8: | 140 case LUMINANCE_8: |
134 case RGB_565: | 141 case RGB_565: |
135 case ETC1: | 142 case ETC1: |
136 case RED_8: | 143 case RED_8: |
137 case LUMINANCE_F16: | 144 case LUMINANCE_F16: |
138 return false; | 145 return false; |
139 } | 146 } |
140 NOTREACHED(); | 147 NOTREACHED(); |
141 return false; | 148 return false; |
142 } | 149 } |
143 | 150 |
144 } // namespace cc | 151 } // namespace cc |
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