Changeset 2179 for GTP/trunk/App/Demos/Illum/Ogre/Media/materials/GTPBasic

Timestamp:

03/01/07 18:04:37 (18 years ago)

Author:

szirmay

Message:

 

Location:

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

Files:

• GTPBasic.material (modified) (1 diff)
• GTPBasic.program (modified) (1 diff)
• GTPBasic_PS.hlsl (modified) (2 diffs)
• GTPBasic_VS.hlsl (modified) (3 diffs)
• GTPShadowMap_PS.hlsl (modified) (4 diffs)

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

@@ -115 +115 @@
  }
 }
+
+material GTP/Basic/Distance_Normalized
+{
+ technique
+ {
+  pass
+  {
+   cull_hardware clockwise
+   vertex_program_ref GTP/Basic/CPos_VS
+   {  
+     param_named_auto WorldViewProj worldviewproj_matrix     
+     param_named_auto WorldView     worldview_matrix
+   } 
+   fragment_program_ref GTP/Basic/CDistNorm_PS
+   {    
+    param_named_auto farPlane far_clip_distance
+   }   
+  }
+ }
+}
+
+material GTP/Basic/Distance_NormalizedCCW : GTP/Basic/Distance_Normalized
+{
+ technique 0
+ {
+  pass 0
+  {
+   cull_hardware anticlockwise   
+  }
+ }
+}
+
+material GTP/Basic/ShadowReciever/Depth
+{
+ technique
+ {
+   pass
+   {
+     lighting off
+     IllumTechniques
+     {
+        RenderTechnique DepthShadowReciever
+                {
+                        max_light_count 1
+                        vertex_program_name GTP/Basic/LightVPos_VS
+                        fragment_program_name GTP/Basic/SM/Depth_PS
+                        set_light_view false
+                        set_light_farplane false
+                }       
+     }
+   }
+ }
+}

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

@@ -119 +119 @@
 }
 
+fragment_program GTP/Basic/CDistNorm_PS hlsl
+{
+   source GTPBasic_PS.hlsl
+   entry_point CDistNorm
+   target ps_2_0
+}
+
 fragment_program GTP/Basic/Plain_PS hlsl
 {

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

@@ -28 +28 @@
 {
  float4 pos = IN.VPosition / IN.VPosition.w;
- return float4(pos.z, pos.z * pos.z, 1, 1);     
+ return float4(pos.z, pos.z * pos.z, 0, pos.z); 
 }
 
@@ -39 +39 @@
 {
  float dist = length(IN.CPos.xyz);
+ return float4(dist, dist * dist, 1, dist);     
+}
+
+float4 CDistNorm(CPos_OUT IN,
+                                uniform float farPlane) : COLOR
+{
+ float dist = length(IN.CPos.xyz) / farPlane;
  return float4(dist, dist * dist, 1, dist);     
 }

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

@@ -149 +149 @@
 {
  VPos_OUT OUT;
- OUT.VPos = OUT. VPosition = mul(WorldViewProj, position);
+ OUT.VPos = OUT.VPosition = mul(WorldViewProj, position);
  return OUT;
 }
@@ -224 +224 @@
 LightVPos_OUT LightVPos(float4 position : POSITION0,
               uniform float4x4 WorldViewProj,
-              uniform float4x4 LightWorldViewProj)
+              uniform float4x4 LightViewProj,
+                  uniform float4x4 World)
 {
  LightVPos_OUT OUT;
  OUT.VPos = mul(WorldViewProj, position);
- OUT.LightVPos = mul(LightWorldViewProj, position);
+ float4 WPos = mul(World, position);
+ OUT.LightVPos = mul(LightViewProj, WPos);
  return OUT;
 }
@@ -242 +244 @@
 LightCPos_OUT LightCPos(float4 position : POSITION0,
               uniform float4x4 WorldViewProj,
-              uniform float4x4 LightWorldViewProj,
-              uniform float4x4 LightWorldView)
+              uniform float4x4 World,
+              uniform float4x4 LightViewProj,
+              uniform float4x4 LightView)
 {
  LightCPos_OUT OUT;
  OUT.VPos = mul(WorldViewProj, position);
- OUT.LightVPos = mul(LightWorldViewProj, position);
- OUT.LightCPos = mul(LightWorldView, position);
- return OUT;
-}
+ float4 WPos = mul(World, position);
+ OUT.LightVPos = mul(LightViewProj, WPos);
+ OUT.LightCPos = mul(LightView, WPos);
+ return OUT;
+}

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

@@ -15 +15 @@
 #define DEPTH_BIAS_VSM  0.001
 #define DEPTH_EPSILON   0.001
-#define DIST_BIAS       0.001
+#define DIST_BIAS       0.1
 #define DIST_BIAS_VSM   0.001
 #define DIST_EPSILON    0.001
 
-const float4 shadowColor = float4(0.85,0.85,0.85,1);
+#define shadowColor float4(0.85,0.85,0.85,1)
 
 float4 shadowMapDepth(LightVPos_OUT IN,
@@ -25 +25 @@
 {
   float4 light = shadowColor;   
-  float4 pos = (IN.LightVPos / IN.LightVPos.w);
-  if( pos.z > 0.0)
+  if( IN.LightVPos.z > 0.0)
   {
-    pos.xy = (pos.xy + 1.0) / 2.0;
+    float4 pos = (IN.LightVPos / IN.LightVPos.w);
+        pos.xy = (pos.xy + 1.0) / 2.0;
     pos.y = 1.0 - pos.y;
     float storedDepth = tex2D(shadowMap, pos.xy).r;
-
-    if(pos.z - DEPTH_BIAS <= storedDepth.r)
-      light = 1;
+        pos.z -= DIST_BIAS;
+        light = max(pos.z <= storedDepth.r, shadowColor);           
   }
- 
   return light; 
 }
@@ -74 +72 @@
 }
 
-float4 shadowMapDist(LightCPos_OUT IN,                     
-                     uniform sampler2D shadowMap) : COLOR
+float4 shadowMapDist(LightCPos_OUT IN,
+                                        //uniform float lightFarPlane,
+                                         uniform sampler2D shadowMap) : COLOR
 {
-  float4 light = shadowColor;   
-  float4 pos = (IN.LightVPos / IN.LightVPos.w);
+  float4 light = shadowColor;
   
-  if( pos.z > 0.0)
+  if( IN.LightVPos.z > 0.0)
   {     
-    //float d = length(pos.xy);
+    float4 pos = (IN.LightVPos / IN.LightVPos.w);
+        //float d = length(pos.xy);
     //light = saturate((1.0 - d)/0.05);         
     //if(d <= 1.0)
-    {
-        float dist = length(IN.LightCPos.xyz);
-        pos.xy = (pos.xy + 1.0) / 2.0;
-        pos.y = 1.0 - pos.y;
-        float storedDist = tex2D(shadowMap, pos.xy).r;
-        dist -= DIST_BIAS;
-
-        if(dist <= storedDist);
-          light = 1;
-     }
-  }  
-        
+    //{
+                float dist = length(IN.LightCPos.xyz) ;
+                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);         
+    //}
+  }
+        
   return light;
 }
@@ -105 +102 @@
 {
   float4 light = float4(1,1,1,1);
-        
-  float4 pos = (IN.LightVPos / IN.LightVPos.w);
   
-  if( pos.z > 0.0)
+  if( IN.LightVPos.z > 0.0)
   {     
-    //float d = length(pos.xy);
-    //light = saturate((1.0 - d)/0.05);         
-    //if(d <= 1.0)
+    float4 pos = (IN.LightVPos / IN.LightVPos.w);
+        float d = length(pos.xy);
+    light = saturate((1.0 - d)/0.05);           
+    if(d <= 1.0)
     {
-        float dist = length(IN.LightCPos.xyz) / lightFarPlane;
-        pos.xy = (pos.xy + 1.0) / 2.0;
-        pos.y = 1.0 - pos.y;
-        float4 storedDist = tex2D(shadowMap, pos.xy);
-        dist -= DIST_BIAS_VSM;
-        float lit_factor = light * (dist <= storedDist.r);      
+                float dist = length(IN.LightCPos.xyz) / lightFarPlane;
+                pos.xy = (pos.xy + 1.0) / 2.0;
+                pos.y = 1.0 - pos.y;
+                float4 storedDist = tex2D(shadowMap, pos.xy);
+                dist -= DIST_BIAS_VSM;
+                float lit_factor = light * (dist <= storedDist.r);      
          
-        float M1 = storedDist.r;
-        float M2 = storedDist.g;
-        float v2 = min(max(M2 - M1 * M1, 0.0) +  DIST_EPSILON, 1.0);
-        float m_d = M1 - dist;
+                float M1 = storedDist.r;
+                float M2 = storedDist.g;
+                float v2 = min(max(M2 - M1 * M1, 0.0) +  DIST_EPSILON, 1.0);
+                float m_d = M1 - dist;
         float pmax = v2 / (v2 + m_d * m_d);
                                                 
         // Adjust the light color based on the shadow attenuation
-        light = max(lit_factor, pmax);
-        
-     }
+        light = max(lit_factor, pmax);          
+    }
   }
   else