Method renderFrame

Engine/source/gui/core/guiOffscreenCanvas.cpp:115–236

}

void GuiOffscreenCanvas::renderFrame(bool preRenderOnly, bool bufferSwap /* = true */)
{
   if (!mTargetDirty)
      return;
   
#ifdef TORQUE_ENABLE_GFXDEBUGEVENTS
   char buf[256];
   dSprintf(buf, sizeof(buf), "OffsceenCanvas %s", getName() ? getName() : getIdString());
   GFXDEBUGEVENT_SCOPE_EX(GuiOffscreenCanvas_renderFrame, ColorI::GREEN, buf);
#endif
   
   PROFILE_START(OffscreenCanvasPreRender);

#ifdef TORQUE_GFX_STATE_DEBUG
   GFX->getDebugStateManager()->startFrame();
#endif

   if (mTarget->getSize() != mTargetSize)
   {
      _setupTargets();
      mNamedTarget.setViewport( RectI( Point2I::Zero, mTargetSize ) );
   }

   // Make sure the root control is the size of the canvas.
   Point2I size = mTarget->getSize();

   if(size.x == 0 || size.y == 0)
   {
      PROFILE_END();
      return;
   }

   RectI screenRect(0, 0, size.x, size.y);

   maintainSizing();

   //preRender (recursive) all controls
   preRender();

   PROFILE_END();

   // Are we just doing pre-render?
   if(preRenderOnly)
   {
      return;
   }

   resetUpdateRegions();

   PROFILE_START(OffscreenCanvasRenderControls);

   GuiCursor *mouseCursor = NULL;
   bool cursorVisible = true;

   Point2I cursorPos((S32)mCursorPt.x, (S32)mCursorPt.y);
   mouseCursor = mDefaultCursor;

	mLastCursorEnabled = cursorVisible;