Changeset 1001 for GTP/trunk/Lib/Vis/Preprocessing/src/GlRenderer.h

Timestamp:

06/05/06 23:14:04 (18 years ago)

Author:

mattausch

Message:

added mesh instance support
improved support for occlusion queries + other extensions

File:

• GTP/trunk/Lib/Vis/Preprocessing/src/GlRenderer.h (modified) (6 diffs)

GTP/trunk/Lib/Vis/Preprocessing/src/GlRenderer.h

@@ -2 +2 @@
 #define __GLRENDERER_H
 
+//#include "glInterface.h"
 #include <QtOpenGL>
 #include <QWaitCondition>
+
 //#include <QGLPixelBuffer>
 
@@ -26 +28 @@
 class GlRendererBuffer;
 class BeamSampleStatistics;
+class OcclusionQuery;
+class TransformedMeshInstance;
 
 struct VssRayContainer;
@@ -107 +111 @@
   QWaitCondition mRenderingFinished;
   
-  vector<unsigned int> mOcclusionQueries;
+  vector<OcclusionQuery *> mOcclusionQueries;
   
   GlRenderer(SceneGraph *sceneGraph,
@@ -120 +124 @@
   void RenderViewCell(ViewCell *vc);
   void RenderMeshInstance(MeshInstance *mi);
+  void RenderTransformedMeshInstance(TransformedMeshInstance *mi);
   void RenderMesh(Mesh *m);
   void SetupMaterial(Material *m);
@@ -157 +162 @@
 
 
-  void
-  EvalRenderCostSample(
-                                           RenderCostSample &sample
-                                           );
-
-  void
-  SampleRenderCost(
-                                   const int n,
-                                   vector<RenderCostSample> &samples
-                                   );
+        /** Evaluates render cost of a point sample.
+                @param sample the render cost sample to be evaluated
+                @param useOcclusionQueries if occlusion queries should be used or item buffer
+                @param threshold number of pixels / samples from where an object is considered visible.
+        */
+        void EvalRenderCostSample(RenderCostSample &sample,
+                                                          const bool useOcclusionQueries,
+                                                          const int threshold);
+
+        /** Evaluates render cost of a number of point samples. The point samples
+                are distributed uniformly over the defined view space.
+
+                @param numSamples the number of point samples taken
+                @param samples stores the taken point samples in a container
+                @param useOcclusionQueries if occlusion queries should be used or item buffer
+                @param threshold number of pixels / samples from where an object is considered visible.
+        */
+        void SampleRenderCost(const int numSamples, 
+                                                  vector<RenderCostSample> &samples,
+                                                  const bool useOcclusionQueries,
+                                                  const int threshold = 0);
 
 
@@ -234 +250 @@
                                                                          Intersectable *sourceObject);
 
+        /** Evaluates query for one direction using item buffer.
+        */
         void EvalQueryWithItemBuffer();
+        /** Evaluates query for one direction using occlusion queries.
+        */
         void EvalQueryWithOcclusionQueries();