Changeset 3365 for GTP

Timestamp:

04/29/09 18:10:02 (15 years ago)

Author:

mattausch

Message:

completely changing concept: storing world space position for one lookup!!

Location:

GTP/trunk/App/Demos/Vis/FriendlyCulling/src

Files:

• chcdemo.cpp (modified) (3 diffs)
• shaders/combineSsaoSep.cg (modified) (1 diff)
• shaders/deferred.cg (modified) (2 diffs)
• shaders/ssao.cg (modified) (5 diffs)

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

@@ -828 +828 @@
         //fbo->AddColorBuffer(ColorBufferObject::RGB_UBYTE, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_NEAREST);
         // buffer holding the difference vector to the old frame
-        fbo->AddColorBuffer(ColorBufferObject::RGB_FLOAT_16, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_LINEAR);
+        fbo->AddColorBuffer(ColorBufferObject::RGB_FLOAT_32, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_LINEAR);
         //fbo->AddColorBuffer(ColorBufferObject::RGB_UBYTE, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_LINEAR);
         // another color buffer
@@ -1208 +1208 @@
 
                 //const float rotAngle = M_PI * 1e-3f;
-                //const float rotAngle = 0.3f * M_PI / 180.0f;
-                const float rotAngle = 0.6f * M_PI / 180.0f;
+                const float rotAngle = 1.5f * M_PI / 180.0f;
+                //const float rotAngle = 0.6f * M_PI / 180.0f;
 
                 Matrix4x4 rotMatrix = RotationZMatrix(rotAngle);
@@ -1221 +1221 @@
 
                 //const float moveSpeed = 5e-3f;
-                const float moveSpeed = 1e-1f;
+                const float moveSpeed = 5e-1f;
                 motionPath->Move(moveSpeed);
         }

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

@@ -275 +275 @@
         //OUT.illum_col.xyz = float3(ao.w * 5e-1f, 0, 0);
         //OUT.illum_col.xyz = float3(ao.z * 1e-3f);
-        //OUT.illum_col.xyz = float3(ao.y * 1e-3f);
-        OUT.illum_col.xyz = float3(ao.y);
+        
+        //OUT.illum_col.xyz = float3(ao.y * 5e-4f);
+        //OUT.illum_col.xyz = float3(ao.y);
         //OUT.illum_col.xyz = ao.xyz;
 

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

@@ -312 +312 @@
                           (oldEyeSpaceDepth < DEPTH_THRESHOLD) && (projectedEyeSpaceDepth < DEPTH_THRESHOLD) &&
                           //(oldDynamic || newDynamic) &&  // check if we have a dynamic object 
-                          (depthDif > 5e-3f)))//MIN_DEPTH_DIFF)))
+                          (depthDif > 5e-2f)))//MIN_DEPTH_DIFF)))
                           ) // and there is a depth discontinuity
         {       
@@ -322 +322 @@
         }
         
-        isPixelValid = depthDif;
+        //isPixelValid = depthDif;
 
         return float2(isPixelValid, abs(oldEyeSpaceDepth - projectedEyeSpaceDepth));

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

@@ -547 +547 @@
                 // they possibly have any influence on the ao
 
-                if (1)//cosAngle > 0)
-                {
-                        float pixelValid = sampleColor.x;
+                if (cosAngle >= 0)
+                {
+                        float pixelValid = 0;//sampleColor.x;
 
                         if (1)//pixelValid < 0.5f)
@@ -555 +555 @@
                                 const float3 sampleDiffVec = tex2Dlod(attribsTex, float4(texcoord, .0f, .0f)).xyz;
                                 //pixelValid = max(pixelValid, length(sampleDiffVec - diffVec) < 5e-3f ? .0f : 100.0f);
-                                //pixelValid = max(pixelValid, length(sampleDiffVec - diffVec) < 5e-3f ? .0f : 4.0f);
+                                pixelValid = max(pixelValid, length(sampleDiffVec - diffVec) < 5e-3f ? .0f : 4.0f);
                                 //pixelValid = length(sampleDiffVec - diffVec) < 1e-3f ? .0f : 10.0f;
                         }
@@ -686 +686 @@
 #else
 
-        const float3 diffVec = float3(.0f);
+        const float3 diffVec      = float3(.0f);
         const bool isMovingObject = false;
-        const float oldSsao = .0f;
+        const float oldSsao       = .0f;
         
         float oldWeight = .0f;
@@ -754 +754 @@
                         const float factor = 4.0f;
                         //if (oldIdx >= factor * newWeight) oldIdx = 0;
-                        oldWeight = min(oldWeight, factor * newWeight);
-                        //oldWeight = oldIdx = .0f; 
+                        //oldWeight = min(oldWeight, factor * newWeight);
+                        oldWeight = oldIdx = .0f; 
                 }
         }
@@ -771 +771 @@
         const float combinedWeight = clamp(newWeight + oldWeight, .0f, temporalCoherence);
 
-        OUT.illum_col.y = ao.y;//combinedWeight;
+        OUT.illum_col.y = combinedWeight;
         OUT.illum_col.z = oldIdx + newWeight; // the new index
         OUT.illum_col.w = eyeSpaceDepth;