moved a few Extras projects into Extras/obsolete.

Extras/obsolete/GPUphysics/shaderSupport.h

@@ -0,0 +1,76 @@
+
+class GLSL_Shader ;
+class FrameBufferObject ;
+
+class GLSL_ShaderPair
+{
+  GLSL_Shader  *vertShader ;
+  GLSL_Shader  *fragShader ;
+  GLhandleARB   handle     ;
+  char         *name       ;
+  bool          success    ;
+
+  bool link () ;
+
+public:
+
+  GLSL_ShaderPair ( const char *_name,
+                    const char *vertFname, const char *fragFname ) ;
+  GLSL_ShaderPair ( const char *_name,
+                    const char *vertSource, const char *vertName,
+                    const char *fragSource, const char *fragName ) ;
+
+  ~GLSL_ShaderPair () ;
+
+  bool compiledOK () { return success ; }
+
+  /* Debug functions */
+
+  void showActiveUniforms ( FILE *fd = NULL ) ;
+  void showActiveAttribs  ( FILE *fd = NULL ) ;
+
+  GLint getUniformLocation ( const char *varname ) ;
+
+  void applyTexture ( const char *uniformName,
+                      FrameBufferObject *fbo,
+                      int slot ) ;
+  void setUniform1f ( const char *uniformName, float valueX )
+  {
+    glUniform1fARB ( getUniformLocation ( uniformName ), valueX ) ;
+  }
+
+  void setUniform2f ( const char *uniformName, float valueX,
+                                               float valueY )
+  {
+    glUniform2fARB ( getUniformLocation ( uniformName ), valueX, valueY ) ;
+  }
+
+  void setUniform3f ( const char *uniformName, float valueX,
+                                               float valueY,
+                                               float valueZ )
+  {
+    glUniform3fARB ( getUniformLocation ( uniformName ), valueX, valueY,
+                                                         valueZ ) ;
+  }
+
+  void setUniform4f ( const char *uniformName, float valueX,
+                                               float valueY,
+                                               float valueZ,
+                                               float valueW )
+  {
+    glUniform4fARB ( getUniformLocation ( uniformName ), valueX, valueY,
+                                                         valueZ, valueW ) ;
+  }
+
+                     
+  /* To apply the shaders for rendering */
+
+  void use ()
+  {
+    assert ( success ) ;
+    glUseProgramObjectARB ( handle ) ;
+  }
+
+} ;
+
+