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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 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/resource.h" | 5 #include "cc/resource.h" |
6 #include "third_party/khronos/GLES2/gl2ext.h" | 6 #include "third_party/khronos/GLES2/gl2ext.h" |
7 | 7 |
8 namespace cc { | 8 namespace cc { |
9 | 9 |
10 void Resource::setDimensions(const gfx::Size& size, GLenum format) | 10 void Resource::set_dimensions(const gfx::Size& size, GLenum format) { |
11 { | 11 size_ = size; |
12 m_size = size; | 12 format_ = format; |
13 m_format = format; | |
14 } | 13 } |
15 | 14 |
16 size_t Resource::bytes() const | 15 size_t Resource::bytes() const { |
17 { | 16 if (size_.IsEmpty()) |
18 if (m_size.IsEmpty()) | 17 return 0; |
19 return 0u; | |
20 | 18 |
21 return memorySizeBytes(m_size, m_format); | 19 return MemorySizeBytes(size_, format_); |
22 } | 20 } |
23 | 21 |
24 size_t Resource::bytesPerPixel(GLenum format) | 22 size_t Resource::BytesPerPixel(GLenum format) { |
25 { | 23 size_t components_per_pixel = 0; |
26 unsigned int componentsPerPixel = 0; | 24 size_t bytes_per_component = 1; |
27 unsigned int bytesPerComponent = 1; | 25 switch (format) { |
28 switch (format) { | |
29 case GL_RGBA: | 26 case GL_RGBA: |
30 case GL_BGRA_EXT: | 27 case GL_BGRA_EXT: |
31 componentsPerPixel = 4; | 28 components_per_pixel = 4; |
32 break; | 29 break; |
33 case GL_LUMINANCE: | 30 case GL_LUMINANCE: |
34 componentsPerPixel = 1; | 31 components_per_pixel = 1; |
35 break; | 32 break; |
36 default: | 33 default: |
37 NOTREACHED(); | 34 NOTREACHED(); |
38 } | 35 } |
39 return componentsPerPixel * bytesPerComponent; | 36 return components_per_pixel * bytes_per_component; |
40 } | 37 } |
41 | 38 |
42 size_t Resource::memorySizeBytes(const gfx::Size& size, GLenum format) | 39 size_t Resource::MemorySizeBytes(const gfx::Size& size, GLenum format) { |
43 { | 40 return BytesPerPixel(format) * size.width() * size.height(); |
44 return bytesPerPixel(format) * size.width() * size.height(); | |
45 } | 41 } |
46 | 42 |
43 | |
jamesr
2012/11/15 23:40:09
do you need two blank lines before the "} // name
tfarina
2012/11/15 23:42:13
No. Please, just one.
| |
47 } // namespace cc | 44 } // namespace cc |
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