Changeset 530 for trunk/VUT/GtpVisibilityPreprocessor/src

Timestamp:

01/12/06 18:31:26 (18 years ago)

Author:

mattausch

Message:

started test function for beam

Location:

trunk/VUT/GtpVisibilityPreprocessor/src

Files:

• Beam.cpp (modified) (1 diff)
• GlRenderer.cpp (modified) (5 diffs)
• VssPreprocessor.cpp (modified) (1 diff)
• VssPreprocessor.h (modified) (1 diff)
• dual_depth.cg (modified) (2 diffs)

trunk/VUT/GtpVisibilityPreprocessor/src/Beam.cpp

@@ -89 +89 @@
          Vector3 directions[4];
          
-        /* directions[0] = VssRay::GetDirection(dBox.Min().x, dBox.Min().y);
+         directions[0] = VssRay::GetDirection(dBox.Min().x, dBox.Min().y);
          directions[1] = VssRay::GetDirection(dBox.Max().x, dBox.Min().y);
          directions[2] = VssRay::GetDirection(dBox.Max().x, dBox.Max().y);
          directions[3] = VssRay::GetDirection(dBox.Min().x, dBox.Max().y);
-*/
+
         const Vector3 mainDir = directions[0] + directions[1] + directions[2] + directions[3];
         return Normalize(mainDir);

trunk/VUT/GtpVisibilityPreprocessor/src/GlRenderer.cpp

@@ -8 +8 @@
 
 #include <GL/glext.h>
-
-
 #include <Cg/cg.h>
 #include <Cg/cgGL.h>
@@ -15 +13 @@
 static CGcontext sCgContext = NULL;
 static CGprogram sCgFragmentProgram = NULL;
-//static CGprofile sCgFragmentProfile;// = CG_PROFILE_FP30;
-
-//static CGparameter sCgKdParam = NULL;
-//static CGparameter sCgModelViewProjParam = NULL;
-static CGprofile sCgFragmentProfile = CG_PROFILE_FP30;
+static CGprofile sCgFragmentProfile;
 
 GLuint depthMap;
@@ -163 +157 @@
                                                                                            CG_SOURCE, "../src/dual_depth.cg",
                                                                                            sCgFragmentProfile,
-                                                                                           NULL, 
+                                                                                           "dual_depth", 
                                                                                            NULL);
 }
@@ -588 +582 @@
         glShadeModel(GL_FLAT);
         glDisable(GL_LIGHTING);
-        // needed to kill fragments
+        // needed to kill the fragments for the front buffer
         glEnable(GL_ALPHA_TEST);
         glAlphaFunc(GL_GREATER, 0);
@@ -812 +806 @@
                           viewPoint.x, viewPoint.y, viewPoint.z, 
                           up.x, up.y, up.z);
-}
+}                         

trunk/VUT/GtpVisibilityPreprocessor/src/VssPreprocessor.cpp

@@ -347 +347 @@
 
 
+void VssPreprocess::VerifyBeamCasting()
+{
+
+        vector<VssLeaf *> leaves;
+        mVssTree->CollectLeaves(leaves);
+
+        for (int i = 0; i < 10; ++i)
+        {
+                const int index = (int)RandomValue(0, (Real)((int)leaf.size() - 1));
+                VssLeaf *leaf = leaves[index];
+
+                Beam beam;
+                AxisAlignedBox3 dirBox = mVssTree->GetDirBBox(leaf);
+                AxisAlignedBox3 box = mVssTree->GetBBox(leaf);
+                beam.Construct(dirBox, box);
+                Intersectable *sourceObj = mObjects[5];
+                BeamSampleStatistics stats;
+                mGlRenderer->SampleBeamContributions(sourceObj,
+                                                                                         beam,
+                                                                                         10000,
+                                                                                         stats);
+
+                Debug << "beam statistics: " << stats << endl;
+
+
+        }
+
+}
+
 float
 VssPreprocessor::GetAvgPvsSize(VssTree *tree,

trunk/VUT/GtpVisibilityPreprocessor/src/VssPreprocessor.h

@@ -104 +104 @@
   
   void CastRay(const BspTree &tree, const VssRay & vssRay);
+
+  float VerifyBeamCasting(Beam &beam);
 };
 

trunk/VUT/GtpVisibilityPreprocessor/src/dual_depth.cg

@@ -3 +3 @@
         float4 position  : POSITION;    //screen position
         float4 color0    : COLOR0;
-        float4 color1    : COLOR1;              //lighting
-        float2 texcoord0 : TEXCOORD0;
-        float4 depthTexCoord: TEXCOORD1;
-        float3 normal    : TEXCOORD2;
+        float4 depthTexCoord: TEXCOORD0;
 };
 
@@ -15 +12 @@
 };
 
-
-pixel main(fragment IN,   
-           uniform sampler2D shadowMap: TEXUNIT1,
-           uniform float doTexturing)
+pixel dual_depth(fragment IN,
+                             const uniform sampler2D depthMap)
 {
         pixel OUT;
+
+        // the depth buffer     has to be compared to the current depth
+        float4 depth = tex2D(depthMap, IN.depthTexCoord.xy);
+        float test = IN.depthTexCoord.z / IN.depthTexCoord.w;
         
-        float4 col = IN.color0;
-        
-        // the depth buffer     
-        float4 depth = tex2Dproj(shadowMap, IN.depthTexCoord);
-        float test = IN.depthTexCoord.z / IN.depthTexCoord.w;
         // reject by alpha test
-        //if (test < depth.x)
-        //      OUT.color[4] = 0;
-                
-        //OUT.color = localcolor * shadow * IN.color1;
+        if (test < depth.x)
+                OUT.color.w = 0;
 
         return OUT;