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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 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 "config.h" | 5 #include "config.h" |
6 | 6 |
7 #include "cc/layer_texture_sub_image.h" | 7 #include "cc/layer_texture_sub_image.h" |
8 | 8 |
9 #include "CCRendererGL.h" // For the GLC() macro. | 9 #include "CCRendererGL.h" // For the GLC() macro. |
10 #include "GraphicsContext3D.h" | 10 #include "GraphicsContext3D.h" |
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86 unsigned int componentsPerPixel = 0; | 86 unsigned int componentsPerPixel = 0; |
87 switch (format) { | 87 switch (format) { |
88 case GraphicsContext3D::RGBA: | 88 case GraphicsContext3D::RGBA: |
89 case Extensions3D::BGRA_EXT: | 89 case Extensions3D::BGRA_EXT: |
90 componentsPerPixel = 4; | 90 componentsPerPixel = 4; |
91 break; | 91 break; |
92 case GraphicsContext3D::LUMINANCE: | 92 case GraphicsContext3D::LUMINANCE: |
93 componentsPerPixel = 1; | 93 componentsPerPixel = 1; |
94 break; | 94 break; |
95 default: | 95 default: |
96 ASSERT_NOT_REACHED(); | 96 NOTREACHED(); |
97 } | 97 } |
98 unsigned int bytesPerComponent = 1; | 98 unsigned int bytesPerComponent = 1; |
99 | 99 |
100 if (imageRect.width() == sourceRect.width() && !offset.x()) | 100 if (imageRect.width() == sourceRect.width() && !offset.x()) |
101 memcpy(pixelDest, &image[offset.y() * imageRect.width() * componentsPerP
ixel * bytesPerComponent], imageRect.width() * sourceRect.height() * componentsP
erPixel * bytesPerComponent); | 101 memcpy(pixelDest, &image[offset.y() * imageRect.width() * componentsPerP
ixel * bytesPerComponent], imageRect.width() * sourceRect.height() * componentsP
erPixel * bytesPerComponent); |
102 else { | 102 else { |
103 // Strides not equal, so do a row-by-row memcpy from the | 103 // Strides not equal, so do a row-by-row memcpy from the |
104 // paint results into the pixelDest | 104 // paint results into the pixelDest |
105 for (int row = 0; row < sourceRect.height(); ++row) | 105 for (int row = 0; row < sourceRect.height(); ++row) |
106 memcpy(&pixelDest[sourceRect.width() * row * componentsPerPixel * by
tesPerComponent], | 106 memcpy(&pixelDest[sourceRect.width() * row * componentsPerPixel * by
tesPerComponent], |
107 &image[4 * (offset.x() + (offset.y() + row) * imageRect.width
())], | 107 &image[4 * (offset.x() + (offset.y() + row) * imageRect.width
())], |
108 sourceRect.width() * componentsPerPixel * bytesPerComponent); | 108 sourceRect.width() * componentsPerPixel * bytesPerComponent); |
109 } | 109 } |
110 GLC(context, context->unmapTexSubImage2DCHROMIUM(pixelDest)); | 110 GLC(context, context->unmapTexSubImage2DCHROMIUM(pixelDest)); |
111 } | 111 } |
112 | 112 |
113 } // namespace cc | 113 } // namespace cc |
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