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Diffstat (limited to 'src/graphics/GPUBlurFilter.h')
-rw-r--r-- | src/graphics/GPUBlurFilter.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/graphics/GPUBlurFilter.h b/src/graphics/GPUBlurFilter.h new file mode 100644 index 0000000..77b8ae7 --- /dev/null +++ b/src/graphics/GPUBlurFilter.h @@ -0,0 +1,68 @@ +// +// libavg - Media Playback Engine. +// Copyright (C) 2003-2014 Ulrich von Zadow +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Lesser General Public +// License as published by the Free Software Foundation; either +// version 2 of the License, or (at your option) any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +// +// Current versions can be found at www.libavg.de +// + +#ifndef _GPUBlurFilter_H_ +#define _GPUBlurFilter_H_ + +#include "../api.h" +#include "GPUFilter.h" +#include "GLShaderParam.h" +#include "GLTexture.h" + +namespace avg { + +class AVG_API GPUBlurFilter: public GPUFilter +{ +public: + GPUBlurFilter(const IntPoint& size, PixelFormat pfSrc, PixelFormat pfDest, + float stdDev, bool bClipBorders, bool bStandalone=true, + bool bUseFloatKernel=false); + virtual ~GPUBlurFilter(); + + void setStdDev(float stdDev); + virtual void applyOnGPU(GLTexturePtr pSrcTex); + +private: + void setDimensions(IntPoint size, float stdDev, bool bClipBorders); + + float m_StdDev; + bool m_bClipBorders; + bool m_bUseFloatKernel; + + GLTexturePtr m_pGaussCurveTex; + ImagingProjectionPtr m_pProjection2; + + FloatGLShaderParamPtr m_pHorizWidthParam; + IntGLShaderParamPtr m_pHorizRadiusParam; + IntGLShaderParamPtr m_pHorizTextureParam; + IntGLShaderParamPtr m_pHorizKernelTexParam; + + FloatGLShaderParamPtr m_pVertWidthParam; + IntGLShaderParamPtr m_pVertRadiusParam; + IntGLShaderParamPtr m_pVertTextureParam; + IntGLShaderParamPtr m_pVertKernelTexParam; +}; + +typedef boost::shared_ptr<GPUBlurFilter> GPUBlurFilterPtr; + +} +#endif + |