+ glMatrixMode(GL_PROJECTION);
+ glPushMatrix();
+ glLoadIdentity();
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+
+ glRasterPos2i(-1, 1);
+ glPixelZoom(1, -1);
+ glEnable(GL_ALPHA_TEST);
+ glAlphaFunc(GL_GREATER, 0.5f);
+ glDrawPixels(win_width, win_height, GL_BGRA, GL_UNSIGNED_BYTE, framebuf);
+ glDisable(GL_ALPHA_TEST);
+
+ glMatrixMode(GL_PROJECTION);
+ glPopMatrix();
+ glMatrixMode(GL_MODELVIEW);
+