1 files changed, 64 insertions, 0 deletions
diff --git a/src/graphics/GPUBrightnessFilter.cpp b/src/graphics/GPUBrightnessFilter.cpp
new file mode 100644
index 0000000..a508cc1
--- /dev/null
+++ b/src/graphics/GPUBrightnessFilter.cpp
@@ -0,0 +1,64 @@
+//
+//  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 "GPUBrightnessFilter.h"
+#include "Bitmap.h"
+#include "ShaderRegistry.h"
+#include "OGLShader.h"
+
+#include "../base/ObjectCounter.h"
+#include "../base/Exception.h"
+
+#include <iostream>
+
+#define SHADERID "brightness"
+
+using namespace std;
+
+namespace avg {
+
+GPUBrightnessFilter::GPUBrightnessFilter(const IntPoint& size, bool bUseAlpha, 
+        float alpha, bool bStandalone)
+    : GPUFilter(SHADERID, bUseAlpha, bStandalone),
+      m_Alpha(alpha)
+{
+    ObjectCounter::get()->incRef(&typeid(*this));
+    setDimensions(size);
+
+    OGLShaderPtr pShader = getShader();
+    m_pTextureParam = pShader->getParam<int>("u_Texture");
+    m_pAlphaParam = pShader->getParam<float>("u_Alpha");
+}
+
+GPUBrightnessFilter::~GPUBrightnessFilter()
+{
+    ObjectCounter::get()->decRef(&typeid(*this));
+}
+
+void GPUBrightnessFilter::applyOnGPU(GLTexturePtr pSrcTex)
+{
+    getShader()->activate();
+    m_pTextureParam->set(0);
+    m_pAlphaParam->set(m_Alpha);
+    draw(pSrcTex);
+}
+
+}