viewport_sprite_sorter.h

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/*
 * This file is part of OpenTTD.
 * 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.
 * 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.
 * 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/>.
 */
 
#include "stdafx.h"
#include "gfx_type.h"
 
#ifndef VIEWPORT_SPRITE_SORTER_H
#define VIEWPORT_SPRITE_SORTER_H
 
struct ParentSpriteToDraw {
  /* Block of 16B loadable in xmm register */
  int32_t xmin;                     
  int32_t ymin;                     
  int32_t zmin;                     
  int32_t x;                        
 
  /* Second block of 16B loadable in xmm register */
  int32_t xmax;                     
  int32_t ymax;                     
  int32_t zmax;                     
  int32_t y;                        
 
  SpriteID image;                 
  PaletteID pal;                  
  const SubSprite *sub;           
 
  int32_t left;                     
  int32_t top;                      
 
  int32_t first_child;              
  uint32_t order;                   
};
 
typedef std::vector<ParentSpriteToDraw*> ParentSpriteToSortVector;
 
typedef bool (*VpSorterChecker)();
typedef void (*VpSpriteSorter)(ParentSpriteToSortVector *psd);
 
#ifdef WITH_SSE
bool ViewportSortParentSpritesSSE41Checker();
void ViewportSortParentSpritesSSE41(ParentSpriteToSortVector *psdv);
#endif
 
void InitializeSpriteSorter();
 
#endif /* VIEWPORT_SPRITE_SORTER_H */