Changeset 159 for trunk/VUT/Ogre/include/OgreItemBufferQueryManager.h

Timestamp:

07/06/05 17:52:44 (19 years ago)

Author:

mattausch

Message:

added flags for switching on/off transparents for item buffer and vertex programs for depth pass / item buffer

File:

• trunk/VUT/Ogre/include/OgreItemBufferQueryManager.h (modified) (3 diffs)

trunk/VUT/Ogre/include/OgreItemBufferQueryManager.h

@@ -7 +7 @@
   
 /**
-        Class which implements the QueryManager for Ogre scene queries.
+        Class which implements the QueryManager for Ogre scene queries using an item buffer,
+        i.e., the objects are rendered with their id used as unique color code. After reading
+        back the frame buffer, the visibility information can be established for each object.
 */
 class __declspec(dllexport) ItemBufferQueryManager: public PlatformQueryManager
@@ -13 +15 @@
 public:
     /** Constructor taking a hierarchy interface as an argument. This allows to operate
-        onm different hierarchy types, while reusing the implementation of the query methods.
+                on different hierarchy types, while reusing the implementation of the query methods.
+                @param renderPatches determines if the visibility of either patches or meshes is computed.
     */
-        ItemBufferQueryManager(PlatformHierarchyInterface *hierarchyInterface, Viewport *vp);
+        ItemBufferQueryManager(PlatformHierarchyInterface *hierarchyInterface, Viewport *vp,
+                                                   const bool renderPatches);
     
     void ComputeCameraVisibility(const Camera &camera,
                             InfoContainer<GtpVisibility::NodeInfo> *visibleNodes,
                             InfoContainer<GtpVisibility::MeshInfo> *visibleGeometry,
+                                InfoContainer<GtpVisibility::PatchInfo> *visiblePatches,
                             bool relativeVisibility = false);
     
@@ -25 +30 @@
         
 protected:
-        void InitItemBuffer( InfoContainer<GtpVisibility::NodeInfo> *visibleNodes,
-                            InfoContainer<GtpVisibility::MeshInfo> *visibleGeometry);
+        /** Helper function used to initialise item buffer.
+        */
+        void InitItemBuffer( 
+                                InfoContainer<GtpVisibility::NodeInfo> *visibleNodes,
+                            InfoContainer<GtpVisibility::MeshInfo> *visibleGeometry,
+                                InfoContainer<GtpVisibility::PatchInfo> *visiblePatches);
         
+        /// if patches are used instead of meshes (only one at a time)
+        bool mRenderPatchesForItemBuffer;
 };