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viewport_sprite_sorter.h
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1 /* $Id: viewport_sprite_sorter.h 27916 2017-09-24 13:35:27Z frosch $ */
2
3 /*
4 * This file is part of OpenTTD.
5 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
6 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
7 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
8 */
9
12 #include "stdafx.h"
13 #include "core/smallvec_type.hpp"
14 #include "gfx_type.h"
15
16 #ifndef VIEWPORT_SPRITE_SORTER_H
17 #define VIEWPORT_SPRITE_SORTER_H
18
20 struct ParentSpriteToDraw {
21 /* Block of 16B loadable in xmm register */
22 int32 xmin;
23 int32 ymin;
24 int32 zmin;
25 int32 x;
26
27 /* Second block of 16B loadable in xmm register */
28 int32 xmax;
29 int32 ymax;
30 int32 zmax;
31 int32 y;
32
33 SpriteID image;
34 PaletteID pal;
35 const SubSprite *sub;
36
37 int32 left;
38 int32 top;
39
40 int32 first_child;
41 bool comparison_done;
42 };
43
44 typedef SmallVector<ParentSpriteToDraw*, 64> ParentSpriteToSortVector;
45
47 typedef bool (*VpSorterChecker)();
49 typedef void (*VpSpriteSorter)(ParentSpriteToSortVector *psd);
50
51 #ifdef WITH_SSE
52 bool ViewportSortParentSpritesSSE41Checker();
53 void ViewportSortParentSpritesSSE41(ParentSpriteToSortVector *psdv);
54 #endif
55
56 void InitializeSpriteSorter();
57
58 #endif /* VIEWPORT_SPRITE_SORTER_H */