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1 /* | 1 /* |
2 * Copyright (C) 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2009 Apple 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 | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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643 shouldFailContextCreationForTesting = true; | 643 shouldFailContextCreationForTesting = true; |
644 } | 644 } |
645 | 645 |
646 ImageBitmap* WebGLRenderingContextBase::transferToImageBitmapBase() | 646 ImageBitmap* WebGLRenderingContextBase::transferToImageBitmapBase() |
647 { | 647 { |
648 if (!drawingBuffer()) | 648 if (!drawingBuffer()) |
649 return nullptr; | 649 return nullptr; |
650 return ImageBitmap::create(drawingBuffer()->transferToStaticBitmapImage()); | 650 return ImageBitmap::create(drawingBuffer()->transferToStaticBitmapImage()); |
651 } | 651 } |
652 | 652 |
| 653 void WebGLRenderingContextBase::commit(ExceptionState& exceptionState) |
| 654 { |
| 655 if (!getOffscreenCanvas()) { |
| 656 exceptionState.throwDOMException(InvalidStateError, "Commit() was called
on a rendering context that was not created from an OffscreenCanvas."); |
| 657 return; |
| 658 } |
| 659 // no HTMLCanvas associated, thrown InvalidStateError |
| 660 if (getOffscreenCanvas()->getAssociatedCanvasId() == -1) { |
| 661 exceptionState.throwDOMException(InvalidStateError, "Commit() was called
on a context whose OffscreenCanvas is not associated with a canvas element."); |
| 662 return; |
| 663 } |
| 664 if (!drawingBuffer()) |
| 665 return; |
| 666 // TODO(crbug.com/646864): Make commit() work correctly with { preserveDrawi
ngBuffer : true }. |
| 667 getOffscreenCanvas()->getOrCreateFrameDispatcher()->dispatchFrame(std::move(
drawingBuffer()->transferToStaticBitmapImage())); |
| 668 } |
| 669 |
653 PassRefPtr<Image> WebGLRenderingContextBase::getImage(AccelerationHint hint, Sna
pshotReason reason) const | 670 PassRefPtr<Image> WebGLRenderingContextBase::getImage(AccelerationHint hint, Sna
pshotReason reason) const |
654 { | 671 { |
655 if (!drawingBuffer()) | 672 if (!drawingBuffer()) |
656 return nullptr; | 673 return nullptr; |
657 | 674 |
658 drawingBuffer()->commit(); | 675 drawingBuffer()->commit(); |
659 IntSize size = clampedCanvasSize(); | 676 IntSize size = clampedCanvasSize(); |
660 OpacityMode opacityMode = creationAttributes().hasAlpha() ? NonOpaque : Opaq
ue; | 677 OpacityMode opacityMode = creationAttributes().hasAlpha() ? NonOpaque : Opaq
ue; |
661 std::unique_ptr<AcceleratedImageBufferSurface> surface = wrapUnique(new Acce
leratedImageBufferSurface(size, opacityMode)); | 678 std::unique_ptr<AcceleratedImageBufferSurface> surface = wrapUnique(new Acce
leratedImageBufferSurface(size, opacityMode)); |
662 if (!surface->isValid()) | 679 if (!surface->isValid()) |
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6455 | 6472 |
6456 void WebGLRenderingContextBase::getHTMLOrOffscreenCanvas(HTMLCanvasElementOrOffs
creenCanvas& result) const | 6473 void WebGLRenderingContextBase::getHTMLOrOffscreenCanvas(HTMLCanvasElementOrOffs
creenCanvas& result) const |
6457 { | 6474 { |
6458 if (canvas()) | 6475 if (canvas()) |
6459 result.setHTMLCanvasElement(canvas()); | 6476 result.setHTMLCanvasElement(canvas()); |
6460 else | 6477 else |
6461 result.setOffscreenCanvas(getOffscreenCanvas()); | 6478 result.setOffscreenCanvas(getOffscreenCanvas()); |
6462 } | 6479 } |
6463 | 6480 |
6464 } // namespace blink | 6481 } // namespace blink |
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