1 files changed, 77 insertions, 0 deletions
diff --git a/src/graphics/GPUHueSatFilter.cpp b/src/graphics/GPUHueSatFilter.cpp
new file mode 100644
index 0000000..4f1b46b
--- /dev/null
+++ b/src/graphics/GPUHueSatFilter.cpp
@@ -0,0 +1,77 @@
+//
+//  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 "GPUHueSatFilter.h"
+#include "ShaderRegistry.h"
+#include "OGLShader.h"
+
+#include "../base/ObjectCounter.h"
+#include "../base/Logger.h"
+
+#define SHADERID_HSL_COLOR "huesat"
+
+using namespace std;
+
+namespace avg {
+
+GPUHueSatFilter::GPUHueSatFilter(const IntPoint& size, bool bUseAlpha, bool bStandalone)
+    : GPUFilter(SHADERID_HSL_COLOR, bUseAlpha, bStandalone),
+      m_LightnessOffset(0.0),
+      m_Hue(0.0),
+      m_Saturation(0.0)
+{
+    ObjectCounter::get()->incRef(&typeid(*this));
+    setDimensions(size);
+    OGLShaderPtr pShader = getShader();
+    m_pHueParam = pShader->getParam<float>("u_Hue");
+    m_pSatParam = pShader->getParam<float>("u_Sat");
+    m_pLightnessParam = pShader->getParam<float>("u_LightnessOffset");
+    m_pColorizeParam = pShader->getParam<int>("u_bColorize");
+    m_pTextureParam = pShader->getParam<int>("u_Texture");
+}
+
+GPUHueSatFilter::~GPUHueSatFilter()
+{
+    ObjectCounter::get()->decRef(&typeid(*this));
+}
+
+void GPUHueSatFilter::setParams(int hue, int saturation,
+        int light_add, bool colorize)
+{
+    m_Hue = float(hue);
+    m_Saturation = saturation / 100.0f;
+    m_LightnessOffset = light_add / 100.0f;
+    m_bColorize = colorize;
+}
+
+void GPUHueSatFilter::applyOnGPU(GLTexturePtr pSrcTex)
+{
+    getShader()->activate();
+    m_pHueParam->set(m_Hue);
+    m_pSatParam->set(m_Saturation);
+    m_pLightnessParam->set(m_LightnessOffset);
+    m_pColorizeParam->set((int)(m_bColorize));
+    m_pTextureParam->set(0);
+    draw(pSrcTex);
+}
+
+}
+