Changeset 2217

Timestamp:

03/09/07 10:31:48 (17 years ago)

Author:

szirmay

Message:

 

Location:

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

Files:

• PMDemo/PRMDemo.material (modified) (6 diffs)
• PMDemo/PathMap.hlsl (modified) (3 diffs)
• PMDemo/PathMapWeightCompute.hlsl (modified) (4 diffs)
• materials/GTPBasic/GTPShadowMap_PS.hlsl (modified) (3 diffs)

GTP/trunk/App/Demos/Illum/Ogre/Media/PMDemo/PRMDemo.material

@@ -11 +11 @@
    entry_point psWalk
    target ps_3_0
-   flow_control avoid
+   flow_control prefer
 }
 
@@ -22 +22 @@
         IllumTechniques
         {
-                RenderTechnique PathMap
+                RenderTechnique DepthShadowReciever
                 {
+                max_light_count 2
+                        vertex_program_name GTP/Basic/LightCPos_VS
+                        fragment_program_name GTP/Basic/SM/Dist_VSM_PS
+                        set_light_view true
+                        set_light_farplane true
+                        light_viewproj_param_name LightViewProj
+                        light_view_param_name LightView
+                        light_farplane_param_name lightFarPlane
+                        world_view_proj_param_name WorldViewProj
+                        world_param_name World
+                }
+                RenderTechnique PathMap
+                {
             
                 }
@@ -30 +43 @@
         {
      colour_op replace
-    }
-   }
-   
+    }    
+   }   
  }
 }
@@ -119 +131 @@
    source PathMapWeightCompute.hlsl
    entry_point psComputeWeights
-   target ps_2_0   
+   target ps_3_0   
 }
 
@@ -141 +153 @@
                                 filtering off
                         }
+                        texture_unit shadow_map //stores distances
+                        {
+                        
+                }
                 }
                 
@@ -173 +189 @@
                         texture_unit //entrypoint texture
                         {
-                                filtering off
+                                filtering none
                         }
                         texture_unit //entrypoint weight texture
                         {
-                                filtering off
+                                filtering none
                         }
                         texture_unit //cluster length
                         {
-                                filtering off
+                                filtering none
                         }
                 }

GTP/trunk/App/Demos/Illum/Ogre/Media/PMDemo/PathMap.hlsl

@@ -2 +2 @@
 uniform float4 prmAtlasTilesHalfPixel;
 uniform sampler2D filteredAtlasSampler : register(s0);
-uniform sampler1D clusterWeightIndexSampler : register(s1);
+uniform sampler2D clusterWeightIndexSampler : register(s1);
 uniform sampler2D clusterWeightSampler : register(s2);
 uniform float allClusterCount; 
-uniform float clusterCount; //clustercount / 4
-//uniform float weights[32];
+uniform float clusterCount;
 
 struct vsInputWalk
@@ -38 +37 @@
         
         float3 col = 0;
-        for(int iCluster=0; iCluster<16; iCluster++)
+        for(int iCluster = 0; iCluster < 32; iCluster++)
         {
                 float2 prmTexPos = float2(
@@ -44 +43 @@
                         1.0 - (input.texAtlas.y + (iCluster / prmAtlasTiles.x)) / prmAtlasTiles.y) + atlasHalfPixel;
 
-                //float4 weight = 0.065;
-                //weight = float4(weights[iCluster/4], weights[iCluster/4 + 1],weights[iCluster/4 + 2], weights[iCluster/4 + 3]);
-                //float4 weight = weights[iCluster/4];
-                float4 weightIndex = tex1D(clusterWeightIndexSampler, ((float)iCluster/4) / clusterCount).r / allClusterCount;
-                float weight1 = tex2D(clusterWeightSampler, float2(weightIndex.r, 0.5)).r;
-                float weight2 = tex2D(clusterWeightSampler, float2(weightIndex.g, 0.5)).r;
-                float weight3 = tex2D(clusterWeightSampler, float2(weightIndex.b, 0.5)).r;
-                float weight4 = tex2D(clusterWeightSampler, float2(weightIndex.a, 0.5)).r;
-                float4 weight = float4(weight1, weight2, weight3, weight4);
-                
-                float3 val = tex2D(filteredAtlasSampler, prmTexPos);
-                col += val.xyz * weight.x;
-                iCluster++;
-                
-                prmTexPos.x += 1.0 / prmAtlasTiles.x;
-                val = tex2D(filteredAtlasSampler, prmTexPos);
-                col += val.xyz * weight.y;
-                iCluster++;
-                
-                prmTexPos.x += 1.0 / prmAtlasTiles.x;
-                val = tex2D(filteredAtlasSampler, prmTexPos);
-                col += val.xyz * weight.z;
-                iCluster++;
-                
-                prmTexPos.x += 1.0 / prmAtlasTiles.x;
-                val = tex2D(filteredAtlasSampler, prmTexPos);
-                col += val.xyz * weight.w;
+                float weightIndex = tex2D(clusterWeightIndexSampler, float2(((float)iCluster + 0.5) / clusterCount, 0.5)).r;
+                float weight = tex2D(clusterWeightSampler, float2((weightIndex + 0.5)/allClusterCount, 0.5)).r;
+                //weight = 0.0002 + 0.000000000001 * weight;
+                float3 val = tex2D(filteredAtlasSampler, prmTexPos).xyz;
+                col += val.xyz * weight;                
         }
         
-        //return col.xxxx *0.00001 + tex2D(filteredAtlasSampler, float2(input.texAtlas.x /32.0f, 1.0 - input.texAtlas.y));
-//return float4(1,0,0,1)+col.xxxx*0.0000000001;
-//return prmAtlasTilesHalfPixel.x*allClusterCount*clusterCount*0.000000000001 + tex2D(filteredAtlasSampler, float2(input.texAtlas.x /32.0f, 1.0 - input.texAtlas.y)).r;
-        return float4(col * 200, 1);
+        return float4(col * 300, 1);
 }
 

GTP/trunk/App/Demos/Illum/Ogre/Media/PMDemo/PathMapWeightCompute.hlsl

@@ -1 +1 @@
 #define SAMPLECUTDIST2 0.01
-#define WEIGHTCUTOFF 0.01
+#define WEIGHTCUTOFF   0.01
+#define DIST_BIAS      0.005
 
 uniform int nRadionColumns;
-uniform sampler2D radionSampler       : register(s0);
-uniform sampler2D entryPointCountSampler : register(s1);
-uniform sampler2D allWeightsSampler   : register(s2);
 uniform float3 lightPos;
 uniform float3 lightDir;
 uniform float clusterCount;
+uniform float4x4 lightViewProj;
+uniform float lightFarPlane;
 
 struct vsInputComputeWeights
@@ -28 +28 @@
     output.pos = input.pos;
     output.tex = (input.pos + 1.0) / 2.0;
+    //output.tex = input.tex;
     output.tex.y = 1.0 - output.tex.y;
+   
     return output;
 }
 
-float4 psComputeWeights(vsOutputComputeWeights input) : COLOR0
+float4 psComputeWeights(vsOutputComputeWeights input,
+                                                uniform sampler2D radionSampler : register(s0),
+                                                uniform sampler2D shadowMap : register(s1)) : COLOR0
 {
         float dataColumnWidth = 1.0 / (float)nRadionColumns;
@@ -49 +53 @@
         float cosb = max(dot(dir, diff), 0);    
         
-        /*
-        float4 occProjPos = mul(float4(pos, 1), occWorldToProjMatrix);  
-        occProjPos /= occProjPos.w;
-        float2 occTexPos = mul( occProjPos.xyw, occProjToTexMatrix);
-        float visibility = tex2Dproj(depthMapSampler, float4(occTexPos, occProjPos.z - 0.1, 1) );
+        
+        float4 lightVPos = mul(lightViewProj, float4(pos,1));
+        float dist = sqrt(dist2) / lightFarPlane;
+        lightVPos /= lightVPos.w;
+        lightVPos.xy = (lightVPos.xy + 1.0) / 2.0;
+        lightVPos.y = 1.0 - lightVPos.y;
+        float storedDist = tex2D(shadowMap, lightVPos.xy).r;
+        dist -= DIST_BIAS;
+        float visibility = (dist <= storedDist);        
 
-        float3 lightToPos = pos - lightPos;
-        float actualDepth = length(lightToPos);
-*/
-        float visibility = 1;
+        //float visibility = 1;
+        //visibility = visibility * 0.00001 + 1.0;
         
-        float4 ret = pow(cosa, 9) * cosb / dist2;
-
-        //float ize = 0;
-        //if(pos.y > 0) ize = 1;
-        //return float4(lightDir + ret.x * 0.00000000001, 1);
-        //return ret;
+        float4 ret = visibility * pow(cosa, 9) * cosb / dist2;
         return ret;
 }
 
-float4 psSumWeights(vsOutputComputeWeights input) : COLOR0
+float4 psSumWeights(vsOutputComputeWeights input,
+                                        uniform sampler2D radionSampler       : register(s0),
+                                        uniform sampler2D entryPointCountSampler : register(s1),
+                                        uniform sampler2D allWeightsSampler   : register(s2)) : COLOR0
 {
         float halfPixel = 0.5 / clusterCount;
@@ -80 +84 @@
         for(int i = 0; i < entryPointCount; i++)
         {
-                float hp = float2(0.5 / (float) nRadionColumns, 0.5 / 4096.0);
-                float2 coord1 = float2((float)(currentEntryPoint % nRadionColumns)  / (float) nRadionColumns,
-                                                                currentEntryPoint / (float) nRadionColumns / 4096.0) + hp;
-                float2 coord2 = coord1 + float2(hp.x / 2.0, 0);
-                float radrad = tex2Dlod(radionSampler, float4(coord2, 0, 0)).a;
-                //weight += tex2Dlod(allWeightsSampler, float4(coord1, 0, 0)).r * radrad;
-                weight += tex2Dlod(allWeightsSampler, float4(coord1, 0, 0)).r;
+                
+                float dataColumnWidth = 1.0 / (float)nRadionColumns;
+                int werx = currentEntryPoint % nRadionColumns;
+                int wery = currentEntryPoint / nRadionColumns;
+                float2 coord1 = float2((werx + 0.5) * dataColumnWidth, (wery  + 0.5) / 4096.0);
+                float2 coord2 = coord1 + float2(0.25 * dataColumnWidth, 0);
+                float w = tex2Dlod(allWeightsSampler, float4(coord1, 0, 0)).r;
+                float radrad = tex2Dlod(radionSampler, float4(coord1, 0, 0)).a;         
+                weight += w * radrad;           
                 clusterRad += radrad;
                 currentEntryPoint++;
         }       
         
-        /*if(clusterRad >= 0)
+        if(clusterRad >= 0)
                 weight /= clusterRad;
         else
-                weight = 0;*/
-                        
-    weight /= (float) entryPointCount;
-                
+                weight = 0;
+   
         return weight;
 }

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

@@ -15 +15 @@
 #define DEPTH_BIAS_VSM  0.001
 #define DEPTH_EPSILON   0.00005
-#define DIST_BIAS       0.1
-#define DIST_BIAS_VSM   0.001
+#define DIST_BIAS       0.005
+#define DIST_BIAS_VSM   0.005
 #define DIST_EPSILON    0.001
 
-#define shadowColor float4(0.2,0.2,0.2,1)
+#define shadowColor float4(0.5,0.5,0.5,1)
 
 float4 shadowMapDepth(LightVPos_OUT IN,
@@ -78 +78 @@
   {     
     float4 pos = (IN.LightVPos / IN.LightVPos.w);
-        //float d = length(pos.xy);
-    //light = saturate((1.0 - d)/0.05);         
-    //if(d <= 1.0)
-    //{
+        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;
@@ -88 +88 @@
                 dist -= DIST_BIAS;
                 light = max(dist <= storedDist.r, shadowColor);         
-    //}
+    }
   }