1 files changed, 87 insertions, 0 deletions
diff --git a/src/graphics/GLShaderParam.cpp b/src/graphics/GLShaderParam.cpp
new file mode 100644
index 0000000..7a1b739
--- /dev/null
+++ b/src/graphics/GLShaderParam.cpp
@@ -0,0 +1,87 @@
+//
+//  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 "GLShaderParam.h"
+#include "OGLShader.h"
+#include <iostream>
+
+using namespace std;
+
+namespace avg {
+
+GLShaderParam::GLShaderParam(OGLShader* pShader, const std::string& sName)
+    : m_sName(sName)
+{
+    m_Location = glproc::GetUniformLocation(pShader->getProgram(), sName.c_str());
+    string sErr = std::string("Shader param '") + sName + "' not found in shader '" + 
+            pShader->getName() + "'.";
+    AVG_ASSERT_MSG(m_Location != -1, sErr.c_str());
+    GLContext::checkError(sErr.c_str());
+};
+
+int GLShaderParam::getLocation() const
+{
+    return m_Location;
+}
+
+const string& GLShaderParam::getName() const
+{
+    return m_sName;
+}
+
+template<>
+void GLShaderParamTemplate<int>::uniformSet(unsigned location, const int& val)
+{
+    glproc::Uniform1i(location, val);
+}
+
+template<>
+void GLShaderParamTemplate<float>::uniformSet(unsigned location, const float& val)
+{
+    glproc::Uniform1f(location, val);
+}
+
+template<>
+void GLShaderParamTemplate<glm::vec2>::uniformSet(unsigned location, const glm::vec2& val)
+{
+    glproc::Uniform2f(location, val.x, val.y);
+}
+
+template<>
+void GLShaderParamTemplate<Pixel32>::uniformSet(unsigned location, const Pixel32& val)
+{
+    glproc::Uniform4f(location, val.getR()/255.f, val.getG()/255.f, val.getB()/255.f,
+            val.getA()/255.f);
+}
+
+template<>
+void GLShaderParamTemplate<glm::vec4>::uniformSet(unsigned location, const glm::vec4& val)
+{
+    glproc::Uniform4f(location, val[0], val[1], val[2], val[3]);
+}
+
+template<>
+void GLShaderParamTemplate<glm::mat4>::uniformSet(unsigned location, const glm::mat4& val)
+{
+    glproc::UniformMatrix4fv(location, 1, GL_FALSE, glm::value_ptr(val));
+}
+
+}