+ glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION,42,-1, "Beginning View::Render()");
+ // View dimensions have changed (ie: Window was resized)
+ int prev_width = m_cached_display.GetWidth();
+ int prev_height = m_cached_display.GetHeight();
+ if (width != prev_width || height != prev_height)
+ {
+ m_cached_display.Create(width, height);
+ m_bounds_dirty = true;
+ }
+
+ // View bounds have not changed; blit the FrameBuffer as it is
+ if (!m_bounds_dirty)
+ {
+ m_cached_display.UnBind();
+ m_cached_display.Blit();
+ glPopDebugGroup();
+ return;
+ }
+ m_cached_display.Bind(); //NOTE: This is redundant; Clear already calls Bind
+ m_cached_display.Clear();
+
+#ifndef QUADTREE_DISABLED
+ if (m_bounds_dirty)
+ {
+ if (m_bounds.x > 1.0 || m_bounds.x < 0.0 || m_bounds.y > 1.0 || m_bounds.y < 0.0 || m_bounds.w > 1.0 || m_bounds.h > 1.0)
+ {
+ //TODO: Generate a new parent node.
+ if (m_document.GetQuadTree().nodes[m_current_quadtree_node].parent != QUADTREE_EMPTY)
+ {
+ m_bounds = TransformFromQuadChild(m_bounds, m_document.GetQuadTree().nodes[m_current_quadtree_node].child_type);
+ m_current_quadtree_node = m_document.GetQuadTree().nodes[m_current_quadtree_node].parent;
+ }
+ }
+ if (ContainedInQuadChild(m_bounds, QTC_TOP_LEFT))
+ {
+ if (m_document.GetQuadTree().nodes[m_current_quadtree_node].top_left == QUADTREE_EMPTY)
+ {
+ // We want to reparent into a child node, but none exist. Get the document to create one.
+ m_document.GenQuadChild(m_current_quadtree_node, QTC_TOP_LEFT);
+ m_render_dirty = true;
+ }
+ m_bounds = TransformToQuadChild(m_bounds, QTC_TOP_LEFT);
+ m_current_quadtree_node = m_document.GetQuadTree().nodes[m_current_quadtree_node].top_left;
+ }
+ if (ContainedInQuadChild(m_bounds, QTC_TOP_RIGHT))
+ {
+ if (m_document.GetQuadTree().nodes[m_current_quadtree_node].top_right == QUADTREE_EMPTY)
+ {
+ // We want to reparent into a child node, but none exist. Get the document to create one.
+ m_document.GenQuadChild(m_current_quadtree_node, QTC_TOP_RIGHT);
+ m_render_dirty = true;
+ }
+ m_bounds = TransformToQuadChild(m_bounds, QTC_TOP_RIGHT);
+ m_current_quadtree_node = m_document.GetQuadTree().nodes[m_current_quadtree_node].top_right;
+ }
+ if (ContainedInQuadChild(m_bounds, QTC_BOTTOM_LEFT))
+ {
+ if (m_document.GetQuadTree().nodes[m_current_quadtree_node].bottom_left == QUADTREE_EMPTY)
+ {
+ // We want to reparent into a child node, but none exist. Get the document to create one.
+ m_document.GenQuadChild(m_current_quadtree_node, QTC_BOTTOM_LEFT);
+ m_render_dirty = true;
+ }
+ m_bounds = TransformToQuadChild(m_bounds, QTC_BOTTOM_LEFT);
+ m_current_quadtree_node = m_document.GetQuadTree().nodes[m_current_quadtree_node].bottom_left;
+ }
+ if (ContainedInQuadChild(m_bounds, QTC_BOTTOM_RIGHT))
+ {
+ if (m_document.GetQuadTree().nodes[m_current_quadtree_node].bottom_right == QUADTREE_EMPTY)
+ {
+ // We want to reparent into a child node, but none exist. Get the document to create one.
+ m_document.GenQuadChild(m_current_quadtree_node, QTC_BOTTOM_RIGHT);
+ m_render_dirty = true;
+ }
+ m_bounds = TransformToQuadChild(m_bounds, QTC_BOTTOM_RIGHT);
+ m_current_quadtree_node = m_document.GetQuadTree().nodes[m_current_quadtree_node].bottom_right;
+ }
+ }
+ m_screen.DebugFontPrintF("Current View QuadTree Node: %d (objs: %d -> %d)\n", m_current_quadtree_node, m_document.GetQuadTree().nodes[m_current_quadtree_node].object_begin,
+ m_document.GetQuadTree().nodes[m_current_quadtree_node].object_end);
+#endif
+
+ if (!m_use_gpu_rendering)
+ {
+ // Dynamically resize CPU rendering target pixels if needed
+ if (m_cpu_rendering_pixels == NULL || width*height > prev_width*prev_height)
+ {
+ delete [] m_cpu_rendering_pixels;
+ m_cpu_rendering_pixels = new uint8_t[width*height*4];
+ if (m_cpu_rendering_pixels == NULL)
+ Fatal("Could not allocate %d*%d*4 = %d bytes for cpu rendered pixels", width, height, width*height*4);
+ }
+ // Clear CPU rendering pixels
+ for (int i = 0; i < width*height*4; ++i)
+ m_cpu_rendering_pixels[i] = 255;
+ }