Changeset 3345 for GTP

Timestamp:

04/13/09 17:08:51 (15 years ago)

Author:

mattausch

Message:

trying to reduce render targets but something srange

Location:

GTP/trunk/App/Demos/Vis/FriendlyCulling

Files:

• src/DeferredRenderer.cpp (modified) (1 diff)
• src/shaders/deferred.cg (modified) (3 diffs)
• src/shaders/ssao.cg (modified) (8 diffs)
• toto.txt (modified) (1 diff)

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/DeferredRenderer.cpp

@@ -821 +821 @@
         // read the second buffer, write to the first buffer
         mIllumFbo->Bind();
-        glDrawBuffers(2, mrt + mIllumFboIndex);
+        glDrawBuffers(1, mrt + mIllumFboIndex);
 
         int i = 0;

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

@@ -254 +254 @@
         // retrieve the sample from the last frame
         const float4 oldPixel = tex2Dlod(oldTex, float4(oldTexCoords, .0f, .0f));
-        const float oldDiff = tex2Dlod(myTex, float4(oldTexCoords, .0f, .0f)).x;
+        //const float oldDiff = tex2Dlod(myTex, float4(oldTexCoords, .0f, .0f)).x;
+        const float oldDiff = tex2Dlod(myTex, float4(oldTexCoords, .0f, .0f)).z;
 
         // calculate eye space position of sample in old frame
@@ -338 +339 @@
         const float3 normal = normalize(tex2Dlod(normalsTex, float4(IN.texCoord, 0, 0)).xyz);
 
-//#ifdef PERFORMANCE_TEST
-#if 1
+#ifdef PERFORMANCE_TEST
         // do reprojection and filter out the pixels that are not save
         const float2 pValid = PixelValid(oldTex,
@@ -353 +353 @@
                                                                          );
 #else
-        const float2 pValid = float2(0,0);
+        const float2 pValid = float2(0, 0);
 #endif
 

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

@@ -20 +20 @@
 {
         float4 illum_col: COLOR0;
-        float4 col: COLOR1;
+        //float4 col: COLOR1;
 };
 
@@ -117 +117 @@
         const float oldEyeSpaceDepth = oldPixel.w;
 
-        // vector from eye pos to old sample 
+        // vector from eye pos to old sample
         const float3 viewVec = Interpol(oldTexCoords, oldbl, oldbr, oldtl, oldtr);
         const float invLen = 1.0f / length(viewVec);
@@ -148 +148 @@
                 
                 //w = ComputeConvergence(oldTex, oldTexCoords, float2(1024.0f, 768.0f));
-                w = oldPixel.y;
+                w = floor(oldPixel.y);
+                //w = oldPixel.y;
                 idx = floor(oldPixel.z);
-
         }
         else
         {       
-                w = 0.0f;
+                w = .0f;
                 idx = .0f;
         }
@@ -501 +501 @@
 #ifdef PERFORMANCE_TEST 
 
-        float3 diffVec = tex2Dlod(attribsTex, float4(IN.texCoord, 0, 0)).xyz;
+        float3 diffVec = tex2Dlod(attribsTex, float4(IN.texCoord, .0f, .0f)).xyz;
 
         const float sqrMoveSpeed = SqrLen(diffVec);
@@ -521 +521 @@
         const float oldSsao = temporalVals.x;
         
-        float oldWeight = temporalVals.y;
-        float oldIdx = temporalCoherence > 1 ? temporalVals.z : 0;
-        
+        float oldIdx = temporalCoherence > 1 ? temporalVals.y : .0f;
+        //float oldWeight = temporalVals.y;
+        float oldWeight = clamp(oldIdx, 0, temporalCoherence);
+
 #else
 
         const bool isMovingObject = false;
-        const float oldSsao = 0;
-        
-        float oldWeight = 0;
-        float oldIdx = 0;
+        const float oldSsao = .0f;
+        
+        float oldWeight = .0f;
+        float oldIdx = .0f;
         
 #endif
@@ -582 +583 @@
                 else if (ao.y > partlyResetThres)
                 {
-                        oldWeight = min(oldWeight, 4.0f * newWeight);
-                        //oldWeight = .0f; 
-                        //oldIdx = .0f;
+                        oldWeight = min(oldWeight, 4.0f * NUM_SAMPLES); oldIdx = oldWeight;
+                        //oldWeight = .0f; oldIdx = .0f;
                 }
         }
@@ -596 +596 @@
 
         // the new weight for the next frame
-        const float combinedWeight = clamp(newWeight + oldWeight, .0f, temporalCoherence);
-
-        OUT.illum_col.y = combinedWeight;
-        OUT.illum_col.z = oldIdx + newWeight; // the new index
+        const float newIdx = newWeight + oldIdx;
+        //const float combinedWeight = clamp(newIdx, .0f, temporalCoherence);
+        const float combinedWeight = clamp(newIdx, .0f, min(newWeight + oldWeight, temporalCoherence));
+
+        //OUT.illum_col.y = combinedWeight;
+        OUT.illum_col.y = newIdx; // the new index
         OUT.illum_col.w = eyeSpaceDepth;
 
@@ -605 +607 @@
 
         // this value can be used to check if this pixel belongs to a moving object
-        OUT.col.x = SqrLen(diffVec);
-        //OUT.illum_col.z = SqrLen(diffVec);
+        //OUT.col.x = SqrLen(diffVec);
+        OUT.illum_col.z = SqrLen(diffVec);
 
 #else

GTP/trunk/App/Demos/Vis/FriendlyCulling/toto.txt

@@ -223 +223 @@
 fix shadows!
 make images with / without filter
+use nicer buddha
+
+make samplingstrategy different: poisson has same status as halton,
+use one of both (parent class randomsampler)