OpenTTD-patches/src/viewport_sprite_sorter.h
Jonathan G Rennison 6c3e5642f8 Merge branch 'master' into jgrpp
# Conflicts:
#	cmake/CompileFlags.cmake
#	src/crashlog.cpp
#	src/fileio.cpp
#	src/fileio_func.h
#	src/fios_gui.cpp
#	src/ini_load.cpp
#	src/ini_type.h
#	src/lang/english.txt
#	src/lang/german.txt
#	src/lang/korean.txt
#	src/network/network_client.cpp
#	src/order_base.h
#	src/order_cmd.cpp
#	src/os/windows/win32.cpp
#	src/road_cmd.cpp
#	src/saveload/saveload.cpp
#	src/saveload/saveload.h
#	src/settings.cpp
#	src/station_cmd.cpp
#	src/stdafx.h
#	src/table/settings.ini
#	src/tree_cmd.cpp
#	src/tree_gui.cpp
#	src/vehicle_base.h
#	src/video/cocoa/cocoa_v.mm
#	src/video/cocoa/event.mm
#	src/video/cocoa/wnd_quartz.mm
#	src/viewport.cpp
#	src/widgets/tree_widget.h
2021-01-31 01:08:35 +00:00

68 lines
3.1 KiB
C++

/*
* 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/>.
*/
/** @file viewport_sprite_sorter.h Types related to sprite sorting. */
#include "stdafx.h"
#include "core/smallvec_type.hpp"
#include "core/bitmath_func.hpp"
#include "gfx_type.h"
#ifndef VIEWPORT_SPRITE_SORTER_H
#define VIEWPORT_SPRITE_SORTER_H
/** Parent sprite that should be drawn */
#ifdef _MSC_VER
struct __declspec(align(16)) ParentSpriteToDraw {
#else
struct __attribute__ ((aligned (16))) ParentSpriteToDraw {
#endif
/* Block of 16B loadable in xmm register */
int32 xmin; ///< minimal world X coordinate of bounding box
int32 ymin; ///< minimal world Y coordinate of bounding box
int32 zmin; ///< minimal world Z coordinate of bounding box
int32 x; ///< screen X coordinate of sprite
/* Second block of 16B loadable in xmm register */
int32 xmax; ///< maximal world X coordinate of bounding box
int32 ymax; ///< maximal world Y coordinate of bounding box
int32 zmax; ///< maximal world Z coordinate of bounding box
int32 y; ///< screen Y coordinate of sprite
SpriteID image; ///< sprite to draw
PaletteID pal; ///< palette to use
const SubSprite *sub; ///< only draw a rectangular part of the sprite
int32 left; ///< minimal screen X coordinate of sprite (= x + sprite->x_offs), reference point for child sprites
int32 top; ///< minimal screen Y coordinate of sprite (= y + sprite->y_offs), reference point for child sprites
int32 first_child; ///< the first child to draw.
uint16 width; ///< sprite width
uint16 height; ///< sprite height, bit 15: comparison_done: used during sprite sorting: true if sprite has been compared with all other sprites
bool IsComparisonDone() const { return HasBit(this->height, 15); }
void SetComparisonDone(bool done) { SB(this->height, 15, 1, done ? 1 : 0); }
};
static_assert((sizeof(ParentSpriteToDraw) % 16) == 0);
static_assert(sizeof(ParentSpriteToDraw) <= 64);
typedef std::vector<ParentSpriteToDraw*> ParentSpriteToSortVector;
/** Type for method for checking whether a viewport sprite sorter exists. */
typedef bool (*VpSorterChecker)();
/** Type for the actual viewport sprite sorter. */
typedef void (*VpSpriteSorter)(ParentSpriteToSortVector *psd);
#ifdef WITH_SSE
bool ViewportSortParentSpritesSSE41Checker();
void ViewportSortParentSpritesSSE41(ParentSpriteToSortVector *psdv);
#endif
void InitializeSpriteSorter();
#endif /* VIEWPORT_SPRITE_SORTER_H */