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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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 #ifndef REMOTING_HOST_DIFFER_BLOCK_H_ | 5 #ifndef REMOTING_HOST_DIFFER_BLOCK_H_ |
| 6 #define REMOTING_HOST_DIFFER_BLOCK_H_ | 6 #define REMOTING_HOST_DIFFER_BLOCK_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 | 9 |
| 10 namespace remoting { | 10 namespace remoting { |
| 11 | 11 |
| 12 // Block size and format (BGRA 32 bit) are fixed. | 12 // Block size and format (BGRA 32 bit) are fixed. |
| 13 static const int kBlockWidth = 32; | 13 static const int kBlockWidth = 32; |
| 14 static const int kBlockHeight = 32; | 14 static const int kBlockHeight = 32; |
| 15 static const int kBytesPerPixel = 4; | 15 static const int kBytesPerPixel = 4; |
| 16 | 16 |
| 17 // Low level functions to compare 2 blocks of pixels. | 17 // Low level functions to compare 2 blocks of pixels. |
| 18 // zero means the blocks are identical. | 18 // zero means the blocks are identical. |
| 19 // one means the blocks are different. | 19 // one means the blocks are different. |
| 20 | |
| 21 int BlockDifference(const uint8* image1, const uint8* image2, int stride); | 20 int BlockDifference(const uint8* image1, const uint8* image2, int stride); |
| 22 | 21 |
| 23 } // namespace remoting | 22 } // namespace remoting |
| 24 | 23 |
| 25 #endif // REMOTING_HOST_DIFFER_BLOCK_H_ | 24 #endif // REMOTING_HOST_DIFFER_BLOCK_H_ |
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Chromium Code Reviews
Issue 6501005:
Resubmit - Use SSE2 block differ for chromoting (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src