stereo horizontal split video support

Author: uwewoessner

share/covise/materials/LeftRight.xml

@@ -1,20 +1,12 @@
-<LeftRight>
-<uniform name="Stereo" type="int" value="0"/>
-<vertexProgram>
-  
-    varying vec2 Texcoord;
+<_LeftRight><uniform name="Stereo" type="int" value="0"/><vertexProgram>varying vec2 Texcoord;
 
 
     void main( void )
     {
 Texcoord = gl_MultiTexCoord0;
 	    gl_Position = ftransform();	
     }
-  </vertexProgram>
-  <fragmentProgram>
-   
-   
-    varying vec2 Texcoord;
+  </vertexProgram><fragmentProgram>varying vec2 Texcoord;
 
     uniform int Stereo;
 
@@ -26,6 +18,4 @@ Texcoord = gl_MultiTexCoord0;
       gl_FragColor = vec4(0,1,0,1) ;	
 
     }
-	</fragmentProgram>
-    
-    </LeftRight>
+	</fragmentProgram></_LeftRight>

share/covise/materials/StereoVideo.xml

@@ -0,0 +1,35 @@
+<_LeftRight>
+<uniform name="diffuseMap" type="sampler2D" value="0"/>
+<uniform name="Stereo" type="int" value="0"/>
+<vertexProgram>
+varying vec2 Texcoord;
+  
+     
+    void main( void )
+    {
+             Texcoord = gl_MultiTexCoord0;
+	    gl_Position = ftransform();	
+    }
+  </vertexProgram>
+  <fragmentProgram>varying vec2 Texcoord;
+    uniform sampler2D diffuseMap;
+   
+    uniform int Stereo;
+   
+    void main( void )
+    {
+    vec2 tcl = Texcoord;
+    vec2 tcr = Texcoord;
+    tcl.x = Texcoord.x*0.5;
+    tcl.y = -tcl.y;
+    tcr.x = Texcoord.x*0.5-0.5;
+    tcr.y = -tcr.y;
+    //tcr.x = (Texcoord.x+0.5)*0.5;
+    if(Stereo==1) //right
+      gl_FragColor = texture2D( diffuseMap, tcr );
+    else          //left
+      gl_FragColor = texture2D( diffuseMap, tcl );
+    
+    }
+	
+	</fragmentProgram></_LeftRight>