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1 /* | 1 /* |
2 * Copyright (c) 2010, Google Inc. All rights reserved. | 2 * Copyright (c) 2010, 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 |
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882 ASSERT(!m_actualAttributes.premultipliedAlpha); | 882 ASSERT(!m_actualAttributes.premultipliedAlpha); |
883 width = size().width(); | 883 width = size().width(); |
884 height = size().height(); | 884 height = size().height(); |
885 | 885 |
886 Checked<int, RecordOverflow> dataSize = 4; | 886 Checked<int, RecordOverflow> dataSize = 4; |
887 dataSize *= width; | 887 dataSize *= width; |
888 dataSize *= height; | 888 dataSize *= height; |
889 if (dataSize.hasOverflowed()) | 889 if (dataSize.hasOverflowed()) |
890 return false; | 890 return false; |
891 | 891 |
892 WTF::ArrayBufferContents pixels(width * height, 4, WTF::ArrayBufferContents:
:NotShared, WTF::ArrayBufferContents::DontInitialize); | 892 WTF::ArrayBufferContents pixels(width * height, 4, WTF::ArrayBufferContents:
:NotShared, WTF::ArrayBufferContents::DontInitialize, WTF::ArrayBufferContents::
NullDataIfOutOfMemory); |
893 | 893 |
894 GLint fbo = 0; | 894 GLint fbo = 0; |
895 if (sourceBuffer == FrontBuffer && m_frontColorBuffer.texInfo.textureId) { | 895 if (sourceBuffer == FrontBuffer && m_frontColorBuffer.texInfo.textureId) { |
896 fbo = m_context->createFramebuffer(); | 896 fbo = m_context->createFramebuffer(); |
897 m_context->bindFramebuffer(GL_FRAMEBUFFER, fbo); | 897 m_context->bindFramebuffer(GL_FRAMEBUFFER, fbo); |
898 m_context->framebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL
_TEXTURE_2D, m_frontColorBuffer.texInfo.textureId, 0); | 898 m_context->framebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL
_TEXTURE_2D, m_frontColorBuffer.texInfo.textureId, 0); |
899 } else { | 899 } else { |
900 m_context->bindFramebuffer(GL_FRAMEBUFFER, framebuffer()); | 900 m_context->bindFramebuffer(GL_FRAMEBUFFER, framebuffer()); |
901 } | 901 } |
902 | 902 |
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1023 void DrawingBuffer::deleteChromiumImageForTexture(TextureInfo* info) | 1023 void DrawingBuffer::deleteChromiumImageForTexture(TextureInfo* info) |
1024 { | 1024 { |
1025 if (info->imageId) { | 1025 if (info->imageId) { |
1026 m_context->releaseTexImage2DCHROMIUM(GL_TEXTURE_2D, info->imageId); | 1026 m_context->releaseTexImage2DCHROMIUM(GL_TEXTURE_2D, info->imageId); |
1027 m_context->destroyImageCHROMIUM(info->imageId); | 1027 m_context->destroyImageCHROMIUM(info->imageId); |
1028 info->imageId = 0; | 1028 info->imageId = 0; |
1029 } | 1029 } |
1030 } | 1030 } |
1031 | 1031 |
1032 } // namespace blink | 1032 } // namespace blink |
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