View difference between Paste ID: Jg6tgJgv and udjQPVfs

 // gaussianTexCoordsX.vert
 #version 120
 
 attribute vec4 position;
 attribute vec2 texCoord;
 
 varying vec2 vertex;
 varying vec2 blurCoords[7];
 
 void main() {
-    gl_Position = position;
+    gl_Position = gl_ModelViewProjectionMatrix * position;
     gl_TexCoord[0]=gl_MultiTexCoord0;
 
     vertex = texCoord;
     blurCoords[0] = texCoord + vec2(-3, 0);
     blurCoords[1] = texCoord + vec2(-2, 0);
     blurCoords[2] = texCoord + vec2(-1, 0);
     blurCoords[3] = texCoord + vec2( 0, 0);
     blurCoords[4] = texCoord + vec2( 1, 0);
     blurCoords[5] = texCoord + vec2( 2, 0);
     blurCoords[6] = texCoord + vec2( 3, 0);
 }
 
 // gaussian.frag
 #version 120
 
 varying vec2 vertex;
 varying vec2 blurCoords[7];
 
 const float gaussD3 = 0.0044318;
 const float gaussD2 = 0.0539910;
 const float gaussD1 = 0.2419710;
 const float gaussD0 = 0.3989423;
 
 uniform sampler2D tex;
 
 // Simple gaussian blur over the specified coordinates (blurCoords[blurCoords.length/2] is middle point)
 // standard deviation is 1
 void main() {
     vec4 sum = vec4(0.0);
 
     sum += texture2D(tex, blurCoords[0]) * gaussD3;
     sum += texture2D(tex, blurCoords[1]) * gaussD2;
     sum += texture2D(tex, blurCoords[2]) * gaussD1;
     sum += texture2D(tex, blurCoords[3]) * gaussD0;
     sum += texture2D(tex, blurCoords[4]) * gaussD1;
     sum += texture2D(tex, blurCoords[5]) * gaussD2;
     sum += texture2D(tex, blurCoords[6]) * gaussD3;
 
     gl_FragColor = sum;
 }