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| 1 /* | 1 /* |
| 2 * Copyright (c) 2013, Google Inc. All rights reserved. | 2 * Copyright (c) 2013, Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
| (...skipping 25 matching lines...) Expand all Loading... |
| 36 #include "core/frame/ImageBitmap.h" | 36 #include "core/frame/ImageBitmap.h" |
| 37 #include "core/frame/LocalDOMWindow.h" | 37 #include "core/frame/LocalDOMWindow.h" |
| 38 #include "core/frame/UseCounter.h" | 38 #include "core/frame/UseCounter.h" |
| 39 #include "core/html/HTMLCanvasElement.h" | 39 #include "core/html/HTMLCanvasElement.h" |
| 40 #include "core/html/HTMLImageElement.h" | 40 #include "core/html/HTMLImageElement.h" |
| 41 #include "core/html/HTMLVideoElement.h" | 41 #include "core/html/HTMLVideoElement.h" |
| 42 #include "core/html/ImageData.h" | 42 #include "core/html/ImageData.h" |
| 43 #include "core/imagebitmap/ImageBitmapOptions.h" | 43 #include "core/imagebitmap/ImageBitmapOptions.h" |
| 44 #include "core/svg/graphics/SVGImage.h" | 44 #include "core/svg/graphics/SVGImage.h" |
| 45 #include "core/workers/WorkerGlobalScope.h" | 45 #include "core/workers/WorkerGlobalScope.h" |
| 46 #include "platform/CrossThreadFunctional.h" |
| 46 #include "platform/SharedBuffer.h" | 47 #include "platform/SharedBuffer.h" |
| 47 #include "platform/ThreadSafeFunctional.h" | |
| 48 #include "platform/image-decoders/ImageDecoder.h" | 48 #include "platform/image-decoders/ImageDecoder.h" |
| 49 #include "platform/threading/BackgroundTaskRunner.h" | 49 #include "platform/threading/BackgroundTaskRunner.h" |
| 50 #include "public/platform/Platform.h" | 50 #include "public/platform/Platform.h" |
| 51 #include "public/platform/WebThread.h" | 51 #include "public/platform/WebThread.h" |
| 52 #include "public/platform/WebTraceLocation.h" | 52 #include "public/platform/WebTraceLocation.h" |
| 53 #include <memory> | 53 #include <memory> |
| 54 #include <v8.h> | 54 #include <v8.h> |
| 55 | 55 |
| 56 namespace blink { | 56 namespace blink { |
| 57 | 57 |
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| 214 void ImageBitmapFactories::ImageBitmapLoader::scheduleAsyncImageBitmapDecoding(D
OMArrayBuffer* arrayBuffer) | 214 void ImageBitmapFactories::ImageBitmapLoader::scheduleAsyncImageBitmapDecoding(D
OMArrayBuffer* arrayBuffer) |
| 215 { | 215 { |
| 216 // For a 4000*4000 png image where each 10*10 tile is filled in by a random
RGBA value, | 216 // For a 4000*4000 png image where each 10*10 tile is filled in by a random
RGBA value, |
| 217 // the byteLength is around 2M, and it typically takes around 4.5ms to decod
e on a | 217 // the byteLength is around 2M, and it typically takes around 4.5ms to decod
e on a |
| 218 // current model of Linux desktop. | 218 // current model of Linux desktop. |
| 219 const int longTaskByteLengthThreshold = 2000000; | 219 const int longTaskByteLengthThreshold = 2000000; |
| 220 BackgroundTaskRunner::TaskSize taskSize = BackgroundTaskRunner::TaskSizeShor
tRunningTask; | 220 BackgroundTaskRunner::TaskSize taskSize = BackgroundTaskRunner::TaskSizeShor
tRunningTask; |
| 221 if (arrayBuffer->byteLength() >= longTaskByteLengthThreshold) | 221 if (arrayBuffer->byteLength() >= longTaskByteLengthThreshold) |
| 222 taskSize = BackgroundTaskRunner::TaskSizeLongRunningTask; | 222 taskSize = BackgroundTaskRunner::TaskSizeLongRunningTask; |
| 223 WebTaskRunner* taskRunner = Platform::current()->currentThread()->getWebTask
Runner(); | 223 WebTaskRunner* taskRunner = Platform::current()->currentThread()->getWebTask
Runner(); |
| 224 BackgroundTaskRunner::postOnBackgroundThread(BLINK_FROM_HERE, threadSafeBind
(&ImageBitmapFactories::ImageBitmapLoader::decodeImageOnDecoderThread, wrapCross
ThreadPersistent(this), crossThreadUnretained(taskRunner), wrapCrossThreadPersis
tent(arrayBuffer)), taskSize); | 224 BackgroundTaskRunner::postOnBackgroundThread(BLINK_FROM_HERE, crossThreadBin
d(&ImageBitmapFactories::ImageBitmapLoader::decodeImageOnDecoderThread, wrapCros
sThreadPersistent(this), crossThreadUnretained(taskRunner), wrapCrossThreadPersi
stent(arrayBuffer)), taskSize); |
| 225 } | 225 } |
| 226 | 226 |
| 227 void ImageBitmapFactories::ImageBitmapLoader::decodeImageOnDecoderThread(WebTask
Runner* taskRunner, DOMArrayBuffer* arrayBuffer) | 227 void ImageBitmapFactories::ImageBitmapLoader::decodeImageOnDecoderThread(WebTask
Runner* taskRunner, DOMArrayBuffer* arrayBuffer) |
| 228 { | 228 { |
| 229 ASSERT(!isMainThread()); | 229 ASSERT(!isMainThread()); |
| 230 RefPtr<SharedBuffer> sharedBuffer = SharedBuffer::create(static_cast<char*>(
arrayBuffer->data()), static_cast<size_t>(arrayBuffer->byteLength())); | 230 RefPtr<SharedBuffer> sharedBuffer = SharedBuffer::create(static_cast<char*>(
arrayBuffer->data()), static_cast<size_t>(arrayBuffer->byteLength())); |
| 231 | 231 |
| 232 ImageDecoder::AlphaOption alphaOp = ImageDecoder::AlphaPremultiplied; | 232 ImageDecoder::AlphaOption alphaOp = ImageDecoder::AlphaPremultiplied; |
| 233 if (m_options.premultiplyAlpha() == "none") | 233 if (m_options.premultiplyAlpha() == "none") |
| 234 alphaOp = ImageDecoder::AlphaNotPremultiplied; | 234 alphaOp = ImageDecoder::AlphaNotPremultiplied; |
| 235 ImageDecoder::GammaAndColorProfileOption colorSpaceOp = ImageDecoder::GammaA
ndColorProfileApplied; | 235 ImageDecoder::GammaAndColorProfileOption colorSpaceOp = ImageDecoder::GammaA
ndColorProfileApplied; |
| 236 if (m_options.colorSpaceConversion() == "none") | 236 if (m_options.colorSpaceConversion() == "none") |
| 237 colorSpaceOp = ImageDecoder::GammaAndColorProfileIgnored; | 237 colorSpaceOp = ImageDecoder::GammaAndColorProfileIgnored; |
| 238 std::unique_ptr<ImageDecoder> decoder(ImageDecoder::create(*sharedBuffer, al
phaOp, colorSpaceOp)); | 238 std::unique_ptr<ImageDecoder> decoder(ImageDecoder::create(*sharedBuffer, al
phaOp, colorSpaceOp)); |
| 239 RefPtr<SkImage> frame; | 239 RefPtr<SkImage> frame; |
| 240 if (decoder) { | 240 if (decoder) { |
| 241 decoder->setData(sharedBuffer.get(), true); | 241 decoder->setData(sharedBuffer.get(), true); |
| 242 frame = ImageBitmap::getSkImageFromDecoder(std::move(decoder)); | 242 frame = ImageBitmap::getSkImageFromDecoder(std::move(decoder)); |
| 243 } | 243 } |
| 244 taskRunner->postTask(BLINK_FROM_HERE, threadSafeBind(&ImageBitmapFactories::
ImageBitmapLoader::resolvePromiseOnOriginalThread, wrapCrossThreadPersistent(thi
s), frame.release())); | 244 taskRunner->postTask(BLINK_FROM_HERE, crossThreadBind(&ImageBitmapFactories:
:ImageBitmapLoader::resolvePromiseOnOriginalThread, wrapCrossThreadPersistent(th
is), frame.release())); |
| 245 } | 245 } |
| 246 | 246 |
| 247 void ImageBitmapFactories::ImageBitmapLoader::resolvePromiseOnOriginalThread(Pas
sRefPtr<SkImage> frame) | 247 void ImageBitmapFactories::ImageBitmapLoader::resolvePromiseOnOriginalThread(Pas
sRefPtr<SkImage> frame) |
| 248 { | 248 { |
| 249 if (!frame) { | 249 if (!frame) { |
| 250 rejectPromise(); | 250 rejectPromise(); |
| 251 return; | 251 return; |
| 252 } | 252 } |
| 253 ASSERT(frame->width() && frame->height()); | 253 ASSERT(frame->width() && frame->height()); |
| 254 | 254 |
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| 269 m_factory->didFinishLoading(this); | 269 m_factory->didFinishLoading(this); |
| 270 } | 270 } |
| 271 | 271 |
| 272 DEFINE_TRACE(ImageBitmapFactories::ImageBitmapLoader) | 272 DEFINE_TRACE(ImageBitmapFactories::ImageBitmapLoader) |
| 273 { | 273 { |
| 274 visitor->trace(m_factory); | 274 visitor->trace(m_factory); |
| 275 visitor->trace(m_resolver); | 275 visitor->trace(m_resolver); |
| 276 } | 276 } |
| 277 | 277 |
| 278 } // namespace blink | 278 } // namespace blink |
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