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+//
+// 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
+