SSSSS comments

1 files changed, 4 insertions, 32 deletions

diff --git a/shaders/fbo_frag.glsl b/shaders/fbo_frag.glsl
index 1102992..f92483e 100644
--- a/shaders/fbo_frag.glsl
+++ b/shaders/fbo_frag.glsl
@@ -11,45 +11,17 @@ uniform int renderState;
 uniform vec2 samplePositions[13];

 uniform vec3 sampleWeights[13];

 

-vec4 blur(sampler2D tex, vec2 uv, vec2 res) {

-  float Pi = 6.28318530718; // Pi*2

-    

-  // GAUSSIAN BLUR SETTINGS {{{

-  float Directions = 16.0; // BLUR DIRECTIONS (Default 16.0 - More is better but slower)

-  float Quality = 4.0; // BLUR QUALITY (Default 4.0 - More is better but slower)

-  float Size = 8.0; // BLUR SIZE (Radius)

-  // GAUSSIAN BLUR SETTINGS }}}

-  

-  vec2 Radius = Size/res;

-  

-  // Pixel colour

-  vec4 Color = texture(tex, uv);

-  

-  // Blur calculations

-  for( float d=0.0; d<Pi; d+=Pi/Directions) {

-    for(float i=1.0/Quality; i<=1.0; i+=1.0/Quality) {

-      Color += texture( tex, uv+vec2(cos(d),sin(d))*Radius*i);		

-    }

-  }

-  

-  // Output to screen

-  Color /= Quality * Directions - 15.0;

-  return Color;

-}

-

 void main()

 {

     if (renderState == 0) {

-        FragColor = blur(shadowmapTexture, TexCoords, vec2(screenWidth, screenHeight));

-    }

-    else if (renderState == 1) {

         FragColor = texture(shadowmapTexture, TexCoords);

     }

-    // stencil buffer

-    else if (renderState == 2) {

+    else if (renderState == 1) {

         FragColor = texture(irradianceTexture, TexCoords);

     }

-    else if (renderState == 3) {

+    else if (renderState == 2) {

+        // sample calculated irradiance

+        // using Gaussian kernel to approximate light spread

         vec4 result = vec4(0, 0, 0, 1);

         for (int i = 0; i < 13; i++) {

             vec2 sampleCoords = TexCoords + samplePositions[i] * vec2(1.0/screenWidth, 1.0/screenHeight);