Changeset 2311 for GTP/trunk/App/Demos/Illum/Ogre/Media/materials/GTPBasic

Timestamp:

04/03/07 12:11:24 (18 years ago)

Author:

szirmay

Message:

 

Location:

GTP/trunk/App/Demos/Illum/Ogre/Media/materials/GTPBasic

Files:

• GTPBasic.material (modified) (1 diff)
• GTPBasic_PS.hlsl (modified) (1 diff)
• GTPShadowMap_PS.hlsl (modified) (2 diffs)

GTP/trunk/App/Demos/Illum/Ogre/Media/materials/GTPBasic/GTPBasic.material

@@ -80 +80 @@
    } 
    fragment_program_ref GTP/Basic/CDepth_PS
-   {    
+   {
+     param_named_auto farplane far_clip_distance
    }   
   }

GTP/trunk/App/Demos/Illum/Ogre/Media/materials/GTPBasic/GTPBasic_PS.hlsl

@@ -38 +38 @@
 }
 
-float4 CDepth(CPos_OUT IN) : COLOR
+float4 CDepth(CPos_OUT IN,
+                                uniform float farplane) : COLOR
 {
- return -IN.CPos.z;     
+ return float4(-IN.CPos.z, -IN.CPos.z / farplane, 1, -IN.CPos.z);       
 }
 

GTP/trunk/App/Demos/Illum/Ogre/Media/materials/GTPBasic/GTPShadowMap_PS.hlsl

@@ -15 +15 @@
 #define DEPTH_BIAS_VSM  0.001
 #define DEPTH_EPSILON   0.05
-#define DIST_BIAS       0.005
-#define DIST_BIAS_VSM   0.05
-#define DIST_EPSILON    0.01
+#define DIST_BIAS       0.0005
+#define DIST_BIAS_VSM   0.0005
+#define DIST_EPSILON    0.001
 
 //#define shadowColor float4(0.9,0.9,0.9,1)
-#define shadowColor float4(0.1,0.1,0.1,1)
+#define shadowColor float4(0.2,0.2,0.2,1)
 
 float4 shadowMapDepth(LightVPos_OUT IN,
@@ -87 +87 @@
                 pos.xy = (pos.xy + 1.0) / 2.0;
                 pos.y = 1.0 - pos.y;
-                float4 storedDist = tex2D(shadowMap, pos.xy);
-                dist -= DIST_BIAS;
-                light = max(dist <= storedDist.r, shadowColor);         
+                float storedDist = tex2D(shadowMap, pos.xy).r;
+                light = max(dist < storedDist + DIST_BIAS, shadowColor);    
+                light = dist < storedDist + DIST_BIAS;
     }
   }