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back buffer copy node, to improve on texscreen()

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back buffer copy node and respective demo
This commit is contained in:
Juan Linietsky
2015-03-12 01:05:50 -03:00
parent 9f88a40e9f
commit 650e13f3cd
20 changed files with 272 additions and 12 deletions
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10
servers/visual/rasterizer.h
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@@ -769,6 +769,12 @@ public:
mutable Rect2 rect;
CanvasItem*next;
CanvasItemMaterial* material;
struct CopyBackBuffer {
Rect2 rect;
Rect2 screen_rect;
bool full;
};
CopyBackBuffer *copy_back_buffer;
float final_opacity;
@@ -904,8 +910,8 @@ public:
}
void clear() { for (int i=0;i<commands.size();i++) memdelete( commands[i] ); commands.clear(); clip=false; rect_dirty=true; final_clip_owner=NULL; material_owner=NULL;}
CanvasItem() { light_mask=1; vp_render=NULL; next=NULL; final_clip_owner=NULL; clip=false; final_opacity=1; blend_mode=VS::MATERIAL_BLEND_MODE_MIX; visible=true; rect_dirty=true; custom_rect=false; ontop=true; material_owner=NULL; material=NULL; }
virtual ~CanvasItem() { clear(); }
CanvasItem() { light_mask=1; vp_render=NULL; next=NULL; final_clip_owner=NULL; clip=false; final_opacity=1; blend_mode=VS::MATERIAL_BLEND_MODE_MIX; visible=true; rect_dirty=true; custom_rect=false; ontop=true; material_owner=NULL; material=NULL; copy_back_buffer=NULL; }
virtual ~CanvasItem() { clear(); if (copy_back_buffer) memdelete(copy_back_buffer); }
};