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author | Steve Block <steveblock@google.com> | 2011-05-25 19:08:45 +0100 |
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committer | Steve Block <steveblock@google.com> | 2011-06-08 13:51:31 +0100 |
commit | 2bde8e466a4451c7319e3a072d118917957d6554 (patch) | |
tree | 28f4a1b869a513e565c7760d0e6a06e7cf1fe95a /Source/WebCore/platform/graphics/gpu/ConvolutionShader.h | |
parent | 6939c99b71d9372d14a0c74a772108052e8c48c8 (diff) | |
download | external_webkit-2bde8e466a4451c7319e3a072d118917957d6554.zip external_webkit-2bde8e466a4451c7319e3a072d118917957d6554.tar.gz external_webkit-2bde8e466a4451c7319e3a072d118917957d6554.tar.bz2 |
Merge WebKit at r82507: Initial merge by git
Change-Id: I60ce9d780725b58b45e54165733a8ffee23b683e
Diffstat (limited to 'Source/WebCore/platform/graphics/gpu/ConvolutionShader.h')
-rw-r--r-- | Source/WebCore/platform/graphics/gpu/ConvolutionShader.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/gpu/ConvolutionShader.h b/Source/WebCore/platform/graphics/gpu/ConvolutionShader.h new file mode 100644 index 0000000..533e0f5 --- /dev/null +++ b/Source/WebCore/platform/graphics/gpu/ConvolutionShader.h @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2011 Google Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef ConvolutionShader_h +#define ConvolutionShader_h + +#include "Shader.h" + +namespace WebCore { + +class ConvolutionShader : public Shader { +public: + static PassOwnPtr<ConvolutionShader> create(GraphicsContext3D*, int kernelWidth); + + void use(const AffineTransform&, const AffineTransform& texTransform, const float* kernel, int kernelWidth, float imageIncrement[2]); + +private: + ConvolutionShader(GraphicsContext3D*, unsigned program, int kernelWidth); + + int m_kernelWidth; + int m_matrixLocation; + int m_texMatrixLocation; + int m_kernelLocation; + int m_imageLocation; + int m_imageIncrementLocation; + int m_positionLocation; +}; + +} + +#endif // ConvolutionShader_h |