Changeset 2800 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/SceneQuery.cpp

Timestamp:

06/27/08 01:43:45 (16 years ago)

Author:

mattausch

Message:

friendly culling debug version with timers, no materials

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/SceneQuery.cpp (modified) (6 diffs)

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

@@ -5 +5 @@
 #include "SceneQuery.h"
 #include "RenderTraverser.h"
+#include <IL/il.h>
+#include <assert.h>
 
 
-void startil();
-void stopil();
+void startil()
+{
+        ilInit();
+        assert(ilGetError() == IL_NO_ERROR);
+}
+
+
+void stopil()
+{
+        ilShutDown();
+        assert(ilGetError() == IL_NO_ERROR);
+}
 
 
@@ -17 +29 @@
 
 
-const static int viewport[4] = {0, 0, 512, 512};
-//const static int viewport[4] = {0, 0, 1024, 768};
+//const static int viewport[4] = {0, 0, 512, 512};
+const static int viewport[4] = {0, 0, 1024, 768};
+//const static int viewport[4] = {0, 0, 2048, 2048};
 
 
@@ -34 +47 @@
         int py = (pt.y - mSceneBox.Min(1)) * (viewport[3] - 1) / mSceneBox.Size(1);
 
-        const float d = mDepth[px + py * viewport[1]];
+        unsigned char d = mDepth[px + py * viewport[2]];
 
-        if (d > 0.0f)
+        const float offs = mSceneBox.Size(2) * 1e-1f;
+
+        static float depth = (float)d;
+
+        if (d > 0)
         {
-                pt.z =  mSceneBox.Max().z - mSceneBox.Size().z * d;
-                cout << "new depth " << pt.z << " (" << d << ")" << endl;
+                const float x = 0.1f;
+                depth = depth * x + d * (1.0f - x);
+                pt.z =  mSceneBox.Max().z - mSceneBox.Size().z * depth / 255.0f + offs;
+                //cout << "new depth " << pt.z << " (" << d << ")" << endl;
 
                 return true;
         }
+        //cout << "invalid depth: " << d << endl;
 
         return false;
@@ -65 +85 @@
 
         //glPixelStorei(GL_PACK_ROW_LENGTH, viewport[2]);
+        glPixelStorei(GL_PACK_ALIGNMENT, 1);
+        glReadBuffer(GL_BACK);
 
         // hack: should create offscreen buffer for this
@@ -80 +102 @@
         glClear(GL_DEPTH_BUFFER_BIT);
 
-        mDepth = new float[viewport[2] * viewport[3]];
+        mDepth = new unsigned char[viewport[2] * viewport[3]];
+        //mDepth = new float[viewport[2] * viewport[3]];
 
         //renderer->SetCamera(orthoCam);
@@ -86 +109 @@
         renderer->RenderScene();
 
-        glReadPixels(0, 0, viewport[2], viewport[3], GL_DEPTH_COMPONENT, GL_FLOAT, mDepth);
+        glReadPixels(0, 0, viewport[2], viewport[3], GL_DEPTH_COMPONENT, GL_UNSIGNED_BYTE, mDepth);
+        //glReadPixels(0, 0, viewport[2], viewport[3], GL_DEPTH_COMPONENT, GL_FLOAT, mDepth);
+/*
+        startil();
 
+        if (!ilTexImage(viewport[2], viewport[3], 1, 1, IL_LUMINANCE, IL_UNSIGNED_BYTE, mDepth))
+        {
+                cerr << "IL error " << ilGetError() << endl;
+                stopil();
+                return;
+        }
+
+        ILstring writename = ILstring("out.tga");
+
+        ilSetInteger(IL_TGA_RLE, 1);
+        if (!ilSaveImage(writename))
+        {
+                cerr << "TGA write error " << ilGetError() << endl;
+        }
+
+        stopil();
+*/
         DEL_PTR(orthoCam);
 }