Changeset 2891 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/ssao.cg

Timestamp:

09/01/08 08:58:38 (16 years ago)

Author:

mattausch

Message:

 

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/ssao.cg (modified) (6 diffs)

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/ssao.cg

@@ -4 +4 @@
 // Screen Spaced Ambient Occlusion shader
 // based on shader of Alexander Kusternig
-
 
 
@@ -22 +21 @@
 
 
-float2 reflect(float2 pt, float2 n)
+float2 myreflect(float2 pt, float2 n)
 {
         // distance to plane
@@ -57 +56 @@
         for (int i = 0; i < NUM_SAMPLES; ++ i) 
         {
-                const float2 offset = samples[i];
+                //const float2 offset = samples[i];
+                const float3 offset = float3(samples[i], 0);
 
                 ////////////////////
@@ -63 +63 @@
 
                 //const float2 mynoise = tex2D(noiseTexture, IN.texCoord.xy * noiseMultiplier).xy * 2.0f - 1.0f;
-                float2 mynoise = tex2D(noiseTexture, IN.texCoord.xy * noiseMultiplier).xy;
+                //float2 mynoise = tex2D(noiseTexture, IN.texCoord.xy * noiseMultiplier).xy;
+                float3 mynoise = float3(tex2D(noiseTexture, IN.texCoord.xy * noiseMultiplier).xy,0);
 
                 const float2 offsetTransformed = reflect(offset, mynoise);
@@ -123 +124 @@
         // expand normal
         float3 normal = normalize(norm.xyz);
+        
         /// the current view direction
-        //float3 viewDir = normalize(IN.view * 2.0f - float3(1.0f));
-        float3 viewDir = normalize(IN.view);
+        float3 viewDir;// = normalize(IN.view);
 
         // the current world position
@@ -182 +183 @@
         float4 ao = tex2D(ssaoTex, IN.texCoord.xy);
 
-        //OUT.illum_col = col * ao.x;
-        OUT.illum_col = ao;
+        OUT.illum_col = col * ao.x;
+        //OUT.illum_col = ao;
 
         OUT.illum_col.w = ao.w;