Changeset 2892 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/deferred.cg

Timestamp:

09/01/08 18:33:14 (16 years ago)

Author:

mattausch

Message:

 

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/deferred.cg (modified) (2 diffs)

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

@@ -49 +49 @@
                    uniform sampler2D colors,
                    uniform sampler2D positions,
-                   uniform sampler2D normals
+                   uniform sampler2D normals    
                    )
 {
@@ -72 +72 @@
         return OUT;
 }
+
+/** The mrt shader for standard rendering
+*/
+pixel main_shadow(fragment IN, 
+                                  uniform sampler2D colors,
+                                  uniform sampler2D positions,
+                                  uniform sampler2D normals,               
+                                  uniform sampler2D shadowMap,
+                                  uniform float4x4 shadowMatrix
+                                  )
+{
+        pixel OUT;
+
+        float4 norm = tex2D(normals, IN.texCoord.xy);
+        float4 color = tex2Dlod(colors, float4(IN.texCoord.xy, 0, 0));
+        float4 position = tex2D(positions, IN.texCoord.xy);
+
+        float4 lightSpacePos = mul(shadowMatrix, position);
+
+        float shadowDepth = tex2D(shadowMap, IN.texCoord.xy);
+
+        // an ambient color term
+        float amb = norm.w;
+
+        float3 normal = normalize(norm.xyz);
+        float4 col = shade(IN, color, position, normal, amb);
+        
+        OUT.color = col;
+        
+        if (lightSpacePos.z / lightSpacePos.w < shadowDepth)
+        {
+                OUT.color *= 0.1f;
+        }
+        
+        //OUT.color = float4(lightSpacePos.z / lightSpacePos.w);
+        //OUT.color = float4(shadowDepth);
+        OUT.color.w = color.w;
+
+        return OUT;
+}