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Side by Side Diff: third_party/WebKit/Source/platform/graphics/ImageBuffer.cpp

Issue 2398453002: Rewrap comments to 80 columns in Source/platform/graphics/. (Closed)
Patch Set: Review feedback Created 4 years, 2 months ago
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1 /* 1 /*
2 * Copyright (c) 2008, Google Inc. All rights reserved. 2 * Copyright (c) 2008, Google Inc. All rights reserved.
3 * Copyright (C) 2009 Dirk Schulze <krit@webkit.org> 3 * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
4 * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved. 4 * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
5 * 5 *
6 * Redistribution and use in source and binary forms, with or without 6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are 7 * modification, are permitted provided that the following conditions are
8 * met: 8 * met:
9 * 9 *
10 * * Redistributions of source code must retain the above copyright 10 * * Redistributions of source code must retain the above copyright
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221 return false; 221 return false;
222 222
223 sk_sp<const SkImage> textureImage = m_surface->newImageSnapshot( 223 sk_sp<const SkImage> textureImage = m_surface->newImageSnapshot(
224 PreferAcceleration, SnapshotReasonCopyToWebGLTexture); 224 PreferAcceleration, SnapshotReasonCopyToWebGLTexture);
225 if (!textureImage) 225 if (!textureImage)
226 return false; 226 return false;
227 227
228 if (!m_surface->isAccelerated()) 228 if (!m_surface->isAccelerated())
229 return false; 229 return false;
230 230
231 ASSERT( 231 DCHECK(textureImage->isTextureBacked()); // The isAccelerated() check above
232 textureImage 232 // should guarantee this.
233 ->isTextureBacked()); // isAccelerated() check above should guarantee this
234 // Get the texture ID, flushing pending operations if needed. 233 // Get the texture ID, flushing pending operations if needed.
235 const GrGLTextureInfo* textureInfo = skia::GrBackendObjectToGrGLTextureInfo( 234 const GrGLTextureInfo* textureInfo = skia::GrBackendObjectToGrGLTextureInfo(
236 textureImage->getTextureHandle(true)); 235 textureImage->getTextureHandle(true));
237 if (!textureInfo || !textureInfo->fID) 236 if (!textureInfo || !textureInfo->fID)
238 return false; 237 return false;
239 238
240 std::unique_ptr<WebGraphicsContext3DProvider> provider = wrapUnique( 239 std::unique_ptr<WebGraphicsContext3DProvider> provider = wrapUnique(
241 Platform::current()->createSharedOffscreenGraphicsContext3DProvider()); 240 Platform::current()->createSharedOffscreenGraphicsContext3DProvider());
242 if (!provider) 241 if (!provider)
243 return false; 242 return false;
244 gpu::gles2::GLES2Interface* sharedGL = provider->contextGL(); 243 gpu::gles2::GLES2Interface* sharedGL = provider->contextGL();
245 244
246 gpu::Mailbox mailbox; 245 gpu::Mailbox mailbox;
247 IntSize textureSize(textureImage->width(), textureImage->height()); 246 IntSize textureSize(textureImage->width(), textureImage->height());
248 247
249 // Contexts may be in a different share group. We must transfer the texture th rough a mailbox first 248 // Contexts may be in a different share group. We must transfer the texture
249 // through a mailbox first.
250 sharedGL->GenMailboxCHROMIUM(mailbox.name); 250 sharedGL->GenMailboxCHROMIUM(mailbox.name);
251 sharedGL->ProduceTextureDirectCHROMIUM(textureInfo->fID, textureInfo->fTarget, 251 sharedGL->ProduceTextureDirectCHROMIUM(textureInfo->fID, textureInfo->fTarget,
252 mailbox.name); 252 mailbox.name);
253 const GLuint64 sharedFenceSync = sharedGL->InsertFenceSyncCHROMIUM(); 253 const GLuint64 sharedFenceSync = sharedGL->InsertFenceSyncCHROMIUM();
254 sharedGL->Flush(); 254 sharedGL->Flush();
255 255
256 gpu::SyncToken produceSyncToken; 256 gpu::SyncToken produceSyncToken;
257 sharedGL->GenSyncTokenCHROMIUM(sharedFenceSync, produceSyncToken.GetData()); 257 sharedGL->GenSyncTokenCHROMIUM(sharedFenceSync, produceSyncToken.GetData());
258 gl->WaitSyncTokenCHROMIUM(produceSyncToken.GetConstData()); 258 gl->WaitSyncTokenCHROMIUM(produceSyncToken.GetConstData());
259 259
260 GLuint sourceTexture = 260 GLuint sourceTexture =
261 gl->CreateAndConsumeTextureCHROMIUM(textureInfo->fTarget, mailbox.name); 261 gl->CreateAndConsumeTextureCHROMIUM(textureInfo->fTarget, mailbox.name);
262 262
263 // The canvas is stored in a premultiplied format, so unpremultiply if necessa ry. 263 // The canvas is stored in a premultiplied format, so unpremultiply if
264 // The canvas is stored in an inverted position, so the flip semantics are rev ersed. 264 // necessary. The canvas is also stored in an inverted position, so the flip
265 // semantics are reversed.
265 gl->CopyTextureCHROMIUM(sourceTexture, texture, internalFormat, destType, 266 gl->CopyTextureCHROMIUM(sourceTexture, texture, internalFormat, destType,
266 flipY ? GL_FALSE : GL_TRUE, GL_FALSE, 267 flipY ? GL_FALSE : GL_TRUE, GL_FALSE,
267 premultiplyAlpha ? GL_FALSE : GL_TRUE); 268 premultiplyAlpha ? GL_FALSE : GL_TRUE);
268 269
269 gl->DeleteTextures(1, &sourceTexture); 270 gl->DeleteTextures(1, &sourceTexture);
270 271
271 const GLuint64 contextFenceSync = gl->InsertFenceSyncCHROMIUM(); 272 const GLuint64 contextFenceSync = gl->InsertFenceSyncCHROMIUM();
272 273
273 gl->Flush(); 274 gl->Flush();
274 275
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515 ASSERT(MIMETypeRegistry::isSupportedImageMIMETypeForEncoding(mimeType)); 516 ASSERT(MIMETypeRegistry::isSupportedImageMIMETypeForEncoding(mimeType));
516 517
517 Vector<unsigned char> result; 518 Vector<unsigned char> result;
518 if (!encodeImage(mimeType, quality, &result)) 519 if (!encodeImage(mimeType, quality, &result))
519 return "data:,"; 520 return "data:,";
520 521
521 return "data:" + mimeType + ";base64," + base64Encode(result); 522 return "data:" + mimeType + ";base64," + base64Encode(result);
522 } 523 }
523 524
524 } // namespace blink 525 } // namespace blink
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