Bug 801: Add Graph pass-2 shader for VBAA 'odd' sample count

3 files changed, 153 insertions, 66 deletions

diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PVBAAES2.java b/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PVBAAES2.java
index 090623444..24fa09058 100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PVBAAES2.java
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PVBAAES2.java
@@ -167,7 +167,7 @@ public class VBORegion2PVBAAES2  extends GLRegion {
             }
             rsLocal.update(gl, rs, updateLocLocal, renderModes, false, true);
             rs.updateUniformDataLoc(gl, updateLocLocal, false /* updateData */, gcu_FboTexUnit, true); // FIXME always update if changing tex-unit
-            rs.updateUniformLoc(gl, updateLocLocal, gcu_FboTexSize, true);
+            rs.updateUniformLoc(gl, updateLocLocal, gcu_FboTexSize, sampleCount > 1); // maybe optimized away for sampleCount <= 1
         }
     }
 
@@ -576,7 +576,7 @@ public class VBORegion2PVBAAES2  extends GLRegion {
             fbo.reset(gl, fboWidth, fboHeight);
             // Shall not use bilinear (GL_LINEAR), due to own VBAA. Result is smooth w/o it now!
             // FIXME: FXAA requires bilinear filtering!
-            // texA = fbo.attachTexture2D(gl, 0, true, GL2ES2.GL_LINEAR, GL2ES2.GL_LINEAR, GL2ES2.GL_CLAMP_TO_EDGE, GL2ES2.GL_CLAMP_TO_EDGE);
+            // texA = fbo.attachTexture2D(gl, 0, true, GL.GL_LINEAR, GL.GL_LINEAR, GL.GL_CLAMP_TO_EDGE, GL.GL_CLAMP_TO_EDGE);
             texA = fbo.attachTexture2D(gl, 0, true, GL.GL_NEAREST, GL.GL_NEAREST, GL.GL_CLAMP_TO_EDGE, GL.GL_CLAMP_TO_EDGE);
             if( !blendingEnabled ) {
                 // no depth-buffer w/ blending
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-pass2-vbaa_allequal.glsl b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-pass2-vbaa_bforce_even.glsl
index 0272c1f9f..ba7611a06 100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-pass2-vbaa_allequal.glsl
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-pass2-vbaa_bforce_even.glsl
@@ -13,77 +13,77 @@
         vec4 t;
 
         // SampleCount 2 -> 4x
-        t  = texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-0.5, -0.5)))*sample_weight; // NW
-        t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-0.5,  0.5)))*sample_weight; // SW
-        t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 0.5,  0.5)))*sample_weight; // SE
-        t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 0.5, -0.5)))*sample_weight; // NE
+        t  = texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-0.5, -0.5))*sample_weight; // NW
+        t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-0.5,  0.5))*sample_weight; // SW
+        t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 0.5,  0.5))*sample_weight; // SE
+        t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 0.5, -0.5))*sample_weight; // NE
         #if SAMPLE_COUNT > 2
             // SampleCount 4 -> +12x = 16p
-            t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-1.5, -1.5)))*sample_weight; // NW -> SW Edge
-            t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-1.5, -0.5)))*sample_weight;
-            t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-1.5,  0.5)))*sample_weight;
-            t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-1.5,  1.5)))*sample_weight; // SW -> SE Edge
-            t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-0.5,  1.5)))*sample_weight; //
-            t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 0.5,  1.5)))*sample_weight; //
-            t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 1.5,  1.5)))*sample_weight; // SE -> NE Edge
-            t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 1.5,  0.5)))*sample_weight; // 
-            t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 1.5, -0.5)))*sample_weight; // 
-            t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 1.5, -1.5)))*sample_weight; // NE -> NW Edge
-            t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 0.5, -1.5)))*sample_weight; //
-            t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-0.5, -1.5)))*sample_weight; // NW - 1 (closed)
+            t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-1.5, -1.5))*sample_weight; // NW -> SW Edge
+            t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-1.5, -0.5))*sample_weight;
+            t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-1.5,  0.5))*sample_weight;
+            t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-1.5,  1.5))*sample_weight; // SW -> SE Edge
+            t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-0.5,  1.5))*sample_weight; //
+            t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 0.5,  1.5))*sample_weight; //
+            t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 1.5,  1.5))*sample_weight; // SE -> NE Edge
+            t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 1.5,  0.5))*sample_weight; // 
+            t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 1.5, -0.5))*sample_weight; // 
+            t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 1.5, -1.5))*sample_weight; // NE -> NW Edge
+            t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 0.5, -1.5))*sample_weight; //
+            t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-0.5, -1.5))*sample_weight; // NW - 1 (closed)
 
             #if SAMPLE_COUNT > 4
                 // SampleCount 6 -> +20x = 36p
-                t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-2.5, -2.5)))*sample_weight; // NW -> SW Edge
-                t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-2.5, -1.5)))*sample_weight;
-                t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-2.5, -0.5)))*sample_weight;
-                t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-2.5,  0.5)))*sample_weight;
-                t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-2.5,  1.5)))*sample_weight;
-                t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-2.5,  2.5)))*sample_weight; // SW -> SE Edge
-                t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-1.5,  2.5)))*sample_weight;
-                t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-0.5,  2.5)))*sample_weight;
-                t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 0.5,  2.5)))*sample_weight;
-                t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 1.5,  2.5)))*sample_weight;
-                t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 2.5,  2.5)))*sample_weight; // SE -> NE Edge
-                t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 2.5,  1.5)))*sample_weight;
-                t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 2.5,  0.5)))*sample_weight;
-                t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 2.5, -0.5)))*sample_weight;
-                t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 2.5, -1.5)))*sample_weight;
-                t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 2.5, -2.5)))*sample_weight; // NE -> NW Edge
-                t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 1.5, -2.5)))*sample_weight;
-                t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 0.5, -2.5)))*sample_weight;
-                t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-0.5, -2.5)))*sample_weight;
-                t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-1.5, -2.5)))*sample_weight; // NW - 1 (closed)
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-2.5, -2.5))*sample_weight; // NW -> SW Edge
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-2.5, -1.5))*sample_weight;
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-2.5, -0.5))*sample_weight;
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-2.5,  0.5))*sample_weight;
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-2.5,  1.5))*sample_weight;
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-2.5,  2.5))*sample_weight; // SW -> SE Edge
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-1.5,  2.5))*sample_weight;
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-0.5,  2.5))*sample_weight;
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 0.5,  2.5))*sample_weight;
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 1.5,  2.5))*sample_weight;
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 2.5,  2.5))*sample_weight; // SE -> NE Edge
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 2.5,  1.5))*sample_weight;
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 2.5,  0.5))*sample_weight;
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 2.5, -0.5))*sample_weight;
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 2.5, -1.5))*sample_weight;
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 2.5, -2.5))*sample_weight; // NE -> NW Edge
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 1.5, -2.5))*sample_weight;
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 0.5, -2.5))*sample_weight;
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-0.5, -2.5))*sample_weight;
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-1.5, -2.5))*sample_weight; // NW - 1 (closed)
                 #if SAMPLE_COUNT > 6
                     // SampleCount 8 -> +28x = 64p
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-3.5, -3.5)))*sample_weight; // NW -> SW Edge
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-3.5, -2.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-3.5, -1.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-3.5, -0.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-3.5,  0.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-3.5,  1.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-3.5,  2.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-3.5,  3.5)))*sample_weight; // SW -> SE Edge
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-2.5,  3.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-1.5,  3.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-0.5,  3.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 0.5,  3.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 1.5,  3.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 2.5,  3.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 3.5,  3.5)))*sample_weight; // SE -> NE Edge
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 3.5,  2.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 3.5,  1.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 3.5,  0.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 3.5, -0.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 3.5, -1.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 3.5, -2.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 3.5, -3.5)))*sample_weight; // NE -> NW Edge
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 2.5, -3.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 1.5, -3.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2( 0.5, -3.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-0.5, -3.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-1.5, -3.5)))*sample_weight;
-                    t += texture2D(gcu_FboTexUnit, texCoord + psize*(vec2(-2.5, -3.5)))*sample_weight; // NW - 1 (closed)
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-3.5, -3.5))*sample_weight; // NW -> SW Edge
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-3.5, -2.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-3.5, -1.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-3.5, -0.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-3.5,  0.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-3.5,  1.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-3.5,  2.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-3.5,  3.5))*sample_weight; // SW -> SE Edge
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-2.5,  3.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-1.5,  3.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-0.5,  3.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 0.5,  3.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 1.5,  3.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 2.5,  3.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 3.5,  3.5))*sample_weight; // SE -> NE Edge
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 3.5,  2.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 3.5,  1.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 3.5,  0.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 3.5, -0.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 3.5, -1.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 3.5, -2.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 3.5, -3.5))*sample_weight; // NE -> NW Edge
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 2.5, -3.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 1.5, -3.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 0.5, -3.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-0.5, -3.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-1.5, -3.5))*sample_weight;
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-2.5, -3.5))*sample_weight; // NW - 1 (closed)
                 #endif
             #endif
         #endif
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-pass2-vbaa_bforce_odd.glsl b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-pass2-vbaa_bforce_odd.glsl
new file mode 100644
index 000000000..7adf111d5
--- /dev/null
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-pass2-vbaa_bforce_odd.glsl
@@ -0,0 +1,87 @@
+        // Pass-2: AA on Texture
+        // Note: gcv_FboTexCoord is in center of sample pixels.
+
+        // float sample_count = gcu_FboTexSize.z;
+        vec2 psize = 1.0 / gcu_FboTexSize.xy; // pixel size
+
+        // Not only the poles (NW, SW, ..) but the whole edge!
+        const float sample_weight = 1.0 / ( sample_count * sample_count );
+
+        // const vec4 tex_weights = vec4(0.075, 0.06, 0.045, 0.025);
+        vec2 texCoord = gcv_FboTexCoord.st;
+
+        vec4 t;
+
+        // SampleCount 1 -> 1x (raster 1x1)
+        t += texture2D(gcu_FboTexUnit, texCoord)*sample_weight; // CENTER
+
+        #if SAMPLE_COUNT > 1
+            // SampleCount 3 -> +8x = 9p (raster 3x3)
+            t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-1.0, -1.0))*sample_weight; // top line
+            t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 0.0, -1.0))*sample_weight; // top line
+            t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 1.0, -1.0))*sample_weight; // top line
+            t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-1.0,  0.0))*sample_weight; // Center Left
+            t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 1.0,  0.0))*sample_weight; // Center Right
+            t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-1.0,  1.0))*sample_weight; // bottom line
+            t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 0.0,  1.0))*sample_weight; // bottom line
+            t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 1.0,  1.0))*sample_weight; // bottom line
+
+            #if SAMPLE_COUNT > 3
+                // SampleCount 5 -> +16x = 25p (raster 5x5)
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-2.0, -1.0))*sample_weight; // top line - 1
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 2.0, -1.0))*sample_weight; // top line - 1
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-2.0,  0.0))*sample_weight; // Center Left
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 2.0,  0.0))*sample_weight; // Center Right
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-2.0,  1.0))*sample_weight; // bottom line - 1
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 2.0,  1.0))*sample_weight; // bottom line - 1
+
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-2.0, -2.0))*sample_weight; // top line
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-1.0, -2.0))*sample_weight; // top line
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 0.0, -2.0))*sample_weight; // top line
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 1.0, -2.0))*sample_weight; // top line
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 2.0, -2.0))*sample_weight; // top line
+
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-2.0,  2.0))*sample_weight; // bottom line
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-1.0,  2.0))*sample_weight; // bottom line
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 0.0,  2.0))*sample_weight; // bottom line
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 1.0,  2.0))*sample_weight; // bottom line
+                t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 2.0,  2.0))*sample_weight; // bottom line
+
+                #if SAMPLE_COUNT > 5
+                    // SampleCount 7 -> +24x = 49p (raster 7x7)
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-3.0, -2.0))*sample_weight; // top line - 1
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 3.0, -2.0))*sample_weight; // top line - 1
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-3.0, -1.0))*sample_weight; // top line - 2
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 3.0, -1.0))*sample_weight; // top line - 2
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-3.0,  0.0))*sample_weight; // Center Left
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 3.0,  0.0))*sample_weight; // Center Right
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-3.0,  1.0))*sample_weight; // bottom line - 2
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 3.0,  1.0))*sample_weight; // bottom line - 2
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-3.0,  2.0))*sample_weight; // bottom line - 1
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 3.0,  2.0))*sample_weight; // bottom line - 1
+
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-3.0, -3.0))*sample_weight; // top line
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-2.0, -3.0))*sample_weight; // top line
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-1.0, -3.0))*sample_weight; // top line
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 0.0, -3.0))*sample_weight; // top line
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 1.0, -3.0))*sample_weight; // top line
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 2.0, -3.0))*sample_weight; // top line
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 3.0, -3.0))*sample_weight; // top line
+
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-3.0,  3.0))*sample_weight; // bottom line
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-2.0,  3.0))*sample_weight; // bottom line
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2(-1.0,  3.0))*sample_weight; // bottom line
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 0.0,  3.0))*sample_weight; // bottom line
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 1.0,  3.0))*sample_weight; // bottom line
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 2.0,  3.0))*sample_weight; // bottom line
+                    t += texture2D(gcu_FboTexUnit, texCoord + psize*vec2( 3.0,  3.0))*sample_weight; // bottom line
+                #endif
+            #endif
+        #endif
+        #if 0
+        if(t.w == 0.0){
+            discard; // discard freezes NV tegra2 compiler
+        }
+        #endif
+        
+        mgl_FragColor = t;