diff options
Diffstat (limited to 'src/graphics/GPUInvertFilter.cpp')
-rw-r--r-- | src/graphics/GPUInvertFilter.cpp | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/graphics/GPUInvertFilter.cpp b/src/graphics/GPUInvertFilter.cpp new file mode 100644 index 0000000..4f98050 --- /dev/null +++ b/src/graphics/GPUInvertFilter.cpp @@ -0,0 +1,56 @@ +// +// 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 +// + +#include "GPUInvertFilter.h" +#include "ShaderRegistry.h" +#include "OGLShader.h" + +#include "../base/ObjectCounter.h" +#include "../base/Logger.h" + +#define SHADERID_INVERT_COLOR "invert" + +using namespace std; + +namespace avg { + +GPUInvertFilter::GPUInvertFilter(const IntPoint& size, bool bUseAlpha, bool bStandalone) + : GPUFilter(SHADERID_INVERT_COLOR, bUseAlpha, bStandalone) +{ + ObjectCounter::get()->incRef(&typeid(*this)); + setDimensions(size); + m_pTextureParam = getShader()->getParam<int>("u_Texture"); +} + +GPUInvertFilter::~GPUInvertFilter() +{ + ObjectCounter::get()->decRef(&typeid(*this)); +} + +void GPUInvertFilter::applyOnGPU(GLTexturePtr pSrcTex) +{ + getShader()->activate(); + m_pTextureParam->set(0); + draw(pSrcTex); +} + +} + |