Changeset 3327 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/DeferredRenderer.cpp

Timestamp:

02/25/09 15:51:45 (15 years ago)

Author:

mattausch

Message:

probably found error with texture

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/DeferredRenderer.cpp (modified) (5 diffs)

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

@@ -165 +165 @@
                 }
         }
+}
+
+
+static float *GrabTexture(GLuint tex, int w, int h)
+{
+        glBindTexture(GL_TEXTURE_2D, tex);
+
+        float *data = new float[w * h * 3];
+
+        glGetTexImage(GL_TEXTURE_2D, 0, GL_RGB, GL_FLOAT, data);
+
+        glBindTexture(GL_TEXTURE_2D, 0);
+        glDisable(GL_TEXTURE_2D);
+
+        return data;
 }
 
@@ -772 +787 @@
                 tempSamples[i] = samples2[ns];
                 currentSample = samples2[ns];
+
                 checked[ns] = true;
         }
@@ -838 +854 @@
                 }
 
+
                 //if (mSortSamples) { SortSamples(); }
                 //sCgSsaoProgram->SetArray2f(i, (float *)samples2, NUM_SAMPLES);
                 //sCgSsaoProgram->SetArray2f(i, (float *)samples2, NUM_PRECOMPUTED_SAMPLES);
-                sCgSsaoProgram->SetTexture(i, sampleTex2D);
-        }
-        
+        }
+
+        sCgSsaoProgram->SetTexture(i, sampleTex2D);
+
+        static int dummycount = 0;
+
+        if (0)//dummycount ++ % 1000 == 0)
+        {
+                float *data = GrabTexture(sampleTex2D, NUM_PRECOMPUTED_SAMPLES, 1);
+                cout << "********************************" << endl;
+                for (int i = 0; i < NUM_PRECOMPUTED_SAMPLES; ++ i)
+                        cout << data[i] << " ";
+                cout << endl;
+                delete [] data;
+        }
+
         ++ i;
 
@@ -870 +900 @@
         sCgSsaoProgram->SetValue1f(i ++, mSampleIntensity * mKernelRadius);
 
-
         DrawQuad(sCgSsaoProgram);
-
         glPopAttrib();
 
@@ -905 +933 @@
         // read the second buffer, write to the first buffer
         if (!displayFrame)
+        {
                 FlipFbos(fbo);
+        }
         else
+        {
                 // end of the pipeline => just draw image to screen
                 FrameBufferObject::Release();
+        }
 
         // the neighbouring texels