Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(368)

Side by Side Diff: src/gpu/GrContext.cpp

Issue 15746007: fix slowness of getImageData() for CanvasRenderingContext2D in linux due to un-optimized format for… (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: remove parens Created 7 years, 7 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « no previous file | src/gpu/GrGpu.h » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 1
2 /* 2 /*
3 * Copyright 2011 Google Inc. 3 * Copyright 2011 Google Inc.
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 8
9 9
10 #include "GrContext.h" 10 #include "GrContext.h"
(...skipping 1262 matching lines...) Expand 10 before | Expand all | Expand 10 after
1273 bool flipY = fGpu->readPixelsWillPayForYFlip(target, left, top, 1273 bool flipY = fGpu->readPixelsWillPayForYFlip(target, left, top,
1274 width, height, dstConfig, 1274 width, height, dstConfig,
1275 rowBytes); 1275 rowBytes);
1276 // We ignore the preferred config if it is different than our config unless it is an R/B swap. 1276 // We ignore the preferred config if it is different than our config unless it is an R/B swap.
1277 // In that case we'll perform an R and B swap while drawing to a scratch tex ture of the swapped 1277 // In that case we'll perform an R and B swap while drawing to a scratch tex ture of the swapped
1278 // config. Then we will call readPixels on the scratch with the swapped conf ig. The swaps during 1278 // config. Then we will call readPixels on the scratch with the swapped conf ig. The swaps during
1279 // the draw cancels out the fact that we call readPixels with a config that is R/B swapped from 1279 // the draw cancels out the fact that we call readPixels with a config that is R/B swapped from
1280 // dstConfig. 1280 // dstConfig.
1281 GrPixelConfig readConfig = dstConfig; 1281 GrPixelConfig readConfig = dstConfig;
1282 bool swapRAndB = false; 1282 bool swapRAndB = false;
1283 if (GrPixelConfigSwapRAndB(dstConfig) == fGpu->preferredReadPixelsConfig(dst Config)) { 1283 if (GrPixelConfigSwapRAndB(dstConfig) ==
1284 fGpu->preferredReadPixelsConfig(dstConfig, target->config())) {
1284 readConfig = GrPixelConfigSwapRAndB(readConfig); 1285 readConfig = GrPixelConfigSwapRAndB(readConfig);
1285 swapRAndB = true; 1286 swapRAndB = true;
1286 } 1287 }
1287 1288
1288 bool unpremul = SkToBool(kUnpremul_PixelOpsFlag & flags); 1289 bool unpremul = SkToBool(kUnpremul_PixelOpsFlag & flags);
1289 1290
1290 if (unpremul && !GrPixelConfigIs8888(dstConfig)) { 1291 if (unpremul && !GrPixelConfigIs8888(dstConfig)) {
1291 // The unpremul flag is only allowed for these two configs. 1292 // The unpremul flag is only allowed for these two configs.
1292 return false; 1293 return false;
1293 } 1294 }
(...skipping 177 matching lines...) Expand 10 before | Expand all | Expand 10 after
1471 srcConfig, buffer, rowBytes, flags); 1472 srcConfig, buffer, rowBytes, flags);
1472 } 1473 }
1473 #endif 1474 #endif
1474 1475
1475 // We ignore the preferred config unless it is a R/B swap of the src config. In that case 1476 // We ignore the preferred config unless it is a R/B swap of the src config. In that case
1476 // we will upload the original src data to a scratch texture but we will spo of it as the swapped 1477 // we will upload the original src data to a scratch texture but we will spo of it as the swapped
1477 // config. This scratch will then have R and B swapped. We correct for this by swapping again 1478 // config. This scratch will then have R and B swapped. We correct for this by swapping again
1478 // when drawing the scratch to the dst using a conversion effect. 1479 // when drawing the scratch to the dst using a conversion effect.
1479 bool swapRAndB = false; 1480 bool swapRAndB = false;
1480 GrPixelConfig writeConfig = srcConfig; 1481 GrPixelConfig writeConfig = srcConfig;
1481 if (fGpu->preferredWritePixelsConfig(srcConfig) == GrPixelConfigSwapRAndB(sr cConfig)) { 1482 if (GrPixelConfigSwapRAndB(srcConfig) ==
1483 fGpu->preferredWritePixelsConfig(srcConfig, target->config())) {
1482 writeConfig = GrPixelConfigSwapRAndB(srcConfig); 1484 writeConfig = GrPixelConfigSwapRAndB(srcConfig);
1483 swapRAndB = true; 1485 swapRAndB = true;
1484 } 1486 }
1485 1487
1486 GrTextureDesc desc; 1488 GrTextureDesc desc;
1487 desc.fWidth = width; 1489 desc.fWidth = width;
1488 desc.fHeight = height; 1490 desc.fHeight = height;
1489 desc.fConfig = writeConfig; 1491 desc.fConfig = writeConfig;
1490 GrAutoScratchTexture ast(this, desc); 1492 GrAutoScratchTexture ast(this, desc);
1491 GrTexture* texture = ast.texture(); 1493 GrTexture* texture = ast.texture();
(...skipping 369 matching lines...) Expand 10 before | Expand all | Expand 10 after
1861 return srcTexture; 1863 return srcTexture;
1862 } 1864 }
1863 } 1865 }
1864 1866
1865 /////////////////////////////////////////////////////////////////////////////// 1867 ///////////////////////////////////////////////////////////////////////////////
1866 #if GR_CACHE_STATS 1868 #if GR_CACHE_STATS
1867 void GrContext::printCacheStats() const { 1869 void GrContext::printCacheStats() const {
1868 fTextureCache->printStats(); 1870 fTextureCache->printStats();
1869 } 1871 }
1870 #endif 1872 #endif
OLDNEW
« no previous file with comments | « no previous file | src/gpu/GrGpu.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698