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| 1 /* | |
| 2 * Copyright (c) 2010, Google Inc. All rights reserved. | |
| 3 * Copyright (c) 2012, Collabora Ltd. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions are | |
| 7 * met: | |
| 8 * | |
| 9 * * Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * * Redistributions in binary form must reproduce the above | |
| 12 * copyright notice, this list of conditions and the following disclaimer | |
| 13 * in the documentation and/or other materials provided with the | |
| 14 * distribution. | |
| 15 * * Neither the name of Google Inc. nor the names of its | |
| 16 * contributors may be used to endorse or promote products derived from | |
| 17 * this software without specific prior written permission. | |
| 18 * | |
| 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 30 */ | |
| 31 | |
| 32 #include "config.h" | |
| 33 | |
| 34 #if ENABLE(ACCELERATED_2D_CANVAS) || USE(3D_GRAPHICS) | |
| 35 | |
| 36 #include "DrawingBuffer.h" | |
| 37 | |
| 38 #include "Extensions3D.h" | |
| 39 | |
| 40 namespace WebCore { | |
| 41 | |
| 42 DrawingBuffer::DrawingBuffer(GraphicsContext3D* context, | |
| 43 const IntSize& size, | |
| 44 bool multisampleExtensionSupported, | |
| 45 bool packedDepthStencilExtensionSupported, | |
| 46 PreserveDrawingBuffer preserveDrawingBuffer, | |
| 47 AlphaRequirement alpha) | |
| 48 : m_preserveDrawingBuffer(preserveDrawingBuffer) | |
| 49 , m_alpha(alpha) | |
| 50 , m_frontColorBuffer(0) | |
| 51 , m_separateFrontTexture(false) | |
| 52 { | |
| 53 } | |
| 54 | |
| 55 DrawingBuffer::~DrawingBuffer() | |
| 56 { | |
| 57 } | |
| 58 | |
| 59 #if USE(ACCELERATED_COMPOSITING) | |
| 60 void DrawingBuffer::prepareBackBuffer() | |
| 61 { | |
| 62 } | |
| 63 | |
| 64 bool DrawingBuffer::requiresCopyFromBackToFrontBuffer() const | |
| 65 { | |
| 66 return false; | |
| 67 } | |
| 68 | |
| 69 unsigned DrawingBuffer::frontColorBuffer() const | |
| 70 { | |
| 71 return colorBuffer(); | |
| 72 } | |
| 73 | |
| 74 void DrawingBuffer::paintCompositedResultsToCanvas(ImageBuffer*) | |
| 75 { | |
| 76 } | |
| 77 | |
| 78 void DrawingBuffer::clearPlatformLayer() | |
| 79 { | |
| 80 } | |
| 81 #endif | |
| 82 | |
| 83 } | |
| 84 | |
| 85 #endif | |
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