Changeset 259 for trunk/VUT/work/TestCullingTerrain/TerrainFrameListener.h

Timestamp:

09/06/05 18:18:47 (19 years ago)

Author:

mattausch

Message:

refined measurements

File:

• trunk/VUT/work/TestCullingTerrain/TerrainFrameListener.h (modified) (5 diffs)

trunk/VUT/work/TestCullingTerrain/TerrainFrameListener.h

@@ -19 +19 @@
 using namespace Ogre;
 
-
+/** Struct storing walktrough statistics
+*/
+struct WalkthroughStats
+{
+public:
+
+        unsigned long mAccFps;
+        unsigned long mBestFps;
+        unsigned long mWorstFps;
+        unsigned long mAccTris;
+        unsigned long mAccQueryCulledNodes;
+        unsigned long mAccFrustumCulledNodes;
+        unsigned long mFrameCount;
+        unsigned long mAccRenderedNodes;
+        
+        WalkthroughStats(): 
+        mAccFps(0), mBestFps(0), mWorstFps(0), mAccTris(0),
+        mAccQueryCulledNodes(0), mAccFrustumCulledNodes(0),
+        mFrameCount(0), mAccRenderedNodes(0)
+        {}
+
+        void Reset()
+        {
+                mAccFps = mBestFps = mWorstFps = mAccTris = mAccQueryCulledNodes = mAccFrustumCulledNodes = mFrameCount = mAccRenderedNodes = 0;
+        }
+
+        void UpdateFrame(int currentFps, int bestFps, int worstFps, int renderedTris, int renderedNodes, int queryCulledNodes, int frustumCulledNodes)
+        {
+                mAccFps += currentFps;
+                mBestFps = bestFps;
+                mWorstFps = worstFps;
+
+                // accumulated #triangles (M)
+                mAccTris += renderedTris / 1000;
+                mAccRenderedNodes += renderedNodes;
+                mAccQueryCulledNodes += queryCulledNodes;
+                mAccFrustumCulledNodes += frustumCulledNodes;
+        
+                ++ mFrameCount;
+        }
+
+        void Print(std::ostream &d, const std::string &algorithmName) const
+        {
+                // compuate average fps and triangle count
+                float avgFps = (float)mAccFps / (float)mFrameCount;
+                float avgTris = (float)mAccTris / (float)mFrameCount;
+                float avgFrustumCulledNodes = 0;
+                float avgRenderedNodes = 0;
+                float avgQueryCulledNodes = 0;
+                
+                if (mFrameCount != 0)
+                {
+                        avgFrustumCulledNodes = (float)mAccFrustumCulledNodes / (float)mFrameCount;
+                        avgQueryCulledNodes  = (float)mAccQueryCulledNodes / (float)mFrameCount;
+                        avgRenderedNodes = (float)mAccRenderedNodes / (float) mFrameCount;
+                }
+
+                //-- write out stats for recorded walkthrough
+                d << "Algorithm: " << algorithmName << "\n"
+                        << "avg. FPS: " << avgFps << "\n"
+                        << "best FPS: " << mBestFps << "\n"
+                        << "worst FPS: " << mWorstFps << "\n"
+                        << "avg. #triangles: " << avgTris << " M\n"
+                        << "#frames: " << mFrameCount << "\n"
+                        << "avg. #query culled nodes: " << avgFrustumCulledNodes << "\n"
+                        << "avg. #frustum culled nodes: " << avgQueryCulledNodes << "\n"
+                        << "avg. #rendered nodes: " << avgRenderedNodes << "\n";
+        }
+
+};
 
 /** Frame listener specialised for terrains.
@@ -39 +108 @@
 
    ~TerrainFrameListener();
-
 
    bool frameStarted(const FrameEvent& evt);
@@ -184 +252 @@
         void initVisStatsOverlay();
         void initQueryOverlay();
-
-        void resetStats();
         
         SceneManager *mSceneMgr;           // A pointer to the scene manager
@@ -206 +272 @@
         /// the newly created object
         SceneNode *mCurrentObject;    
-/// HACK
-float mDemoFps;
-bool mUseDemoFps;
+
+        WalkthroughStats mWalkthroughStats;
+
+        /// HACK for demo
+        float mDemoFps;
+        bool mUseDemoFps;
+
         OverlayElement *mAlgorithmInfo;
         OverlayElement *mThresholdInfo;
@@ -301 +371 @@
         bool mShiftPressed;
         bool mShowQueryStats;
-
-        unsigned long mAvgFps;
-        unsigned long mFrameCount;
-
+        
         //bool mUseBufferedInputKeys, mUseBufferedInputMouse, mInputTypeSwitchingOn;
         PlatformQueryManager *mQueryManager;