Changeset 1691 for GTP/trunk/App/Demos/Illum/Ogre/Media/materials/programs/GameTools_Blur.hlsl

Timestamp:

10/27/06 17:40:02 (18 years ago)

Author:

szirmay

Message:

 

File:

• GTP/trunk/App/Demos/Illum/Ogre/Media/materials/programs/GameTools_Blur.hlsl (modified) (2 diffs)

GTP/trunk/App/Demos/Illum/Ogre/Media/materials/programs/GameTools_Blur.hlsl

@@ -1 @@
-#define samplesU 5
-#define samplesV 5
+#define samplesU 3
+#define samplesV 3
 
 struct VS_INPUT {           
@@ -39 +39 @@
   return tex2D(Texture, uv);
 }
+
+VS_OUTPUT BlurCubeFaceVS(VS_INPUT IN) {
+        VS_OUTPUT OUT;
+    OUT.hPosition = IN.Position;   
+    OUT.Position = OUT.hPosition;
+    return OUT;
+}
+
+float4 BlurCubeFacePS(VS_OUTPUT IN,
+                        uniform samplerCUBE Texture : register(s0),
+                        uniform float width,
+                        uniform float height,
+                        uniform float face ) : COLOR
+{  
+
+  float2 pixel = float2(2.0 / width, 2.0 / height);
+  float2 uv = IN.Position + pixel * 0.5;
+
+  float4 sum = float4(0,0,0,0);
+
+        for(int i = 0; i < samplesU; i++)
+         for(int j = 0; j < samplesV; j++)
+         {
+                float3 dir;
+                float2 pos = uv + float2(i - samplesU * 0.5,j - samplesV * 0.5) * pixel;
+                if (face == 0) dir = float3(1, pos.y, -pos.x);
+                if (face == 1) dir = float3(-1, pos.y, pos.x);
+                if (face == 2) dir = float3(pos.x, 1, -pos.y);
+                if (face == 3) dir = float3(pos.x, -1, pos.y);
+                if (face == 4) dir = float3(pos.x, pos.y, 1);
+                if (face == 5) dir = float3(-pos.x, pos.y,-1);
+                
+                sum += texCUBE(Texture, dir);
+         }
+                
+
+  sum /= samplesU * samplesV;
+
+  return sum;
+  //return texCUBE(Texture, float3(uv, 1)) + face * 0.0000001;
+}