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annotate src/video/ps2gs/SDL_gsvideo.h @ 1047:ffaaf7ecf685

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Altivec-optimized blitters! Vast majority of this work is compliments of Bob Ippolito. http://www.devolution.com/pipermail/sdl/2005-February/067466.html and many other posts.
author Ryan C. Gordon <icculus@icculus.org>
date Sun, 17 Apr 2005 10:19:22 +0000
parents e8157fcb3114
children c9b51268668f
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 #ifndef _SDL_gsvideo_h
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29 #define _SDL_gsvideo_h
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30
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31 #include <sys/types.h>
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32 #include <termios.h>
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33 #include <linux/ps2/dev.h>
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34 #include <linux/ps2/gs.h>
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35
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36 #include "SDL_mouse.h"
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37 #include "SDL_mutex.h"
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38 #include "SDL_sysvideo.h"
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39
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40 /* Hidden "this" pointer for the video functions */
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41 #define _THIS SDL_VideoDevice *this
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42
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43
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44 /* Private display data */
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45 struct SDL_PrivateVideoData {
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46 /* Gotta love that simple PS2 graphics interface. :) */
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47 int console_fd;
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48 int memory_fd;
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49 struct ps2_screeninfo saved_vinfo;
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50
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51 /* Ye olde linux keyboard code */
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52 int current_vt;
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53 int saved_vt;
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54 int keyboard_fd;
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55 int saved_kbd_mode;
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56 struct termios saved_kbd_termios;
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57
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58 /* Ye olde linux mouse code */
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59 int mouse_fd;
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60 int cursor_drawn;
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61
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62 /* The memory mapped DMA area and associated variables */
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63 caddr_t mapped_mem;
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64 int pixels_len;
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65 int mapped_len;
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66 struct ps2_image screen_image;
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67 int screen_image_size;
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68 unsigned long long *head_tags_mem;
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69 unsigned long long *image_tags_mem;
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70 unsigned long long *tex_tags_mem;
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71 unsigned long long *scale_tags_mem;
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72 int dma_pending;
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73 };
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74 /* Old variable names */
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75 #define console_fd (this->hidden->console_fd)
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76 #define memory_fd (this->hidden->memory_fd)
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77 #define saved_vinfo (this->hidden->saved_vinfo)
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78 #define current_vt (this->hidden->current_vt)
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79 #define saved_vt (this->hidden->saved_vt)
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80 #define keyboard_fd (this->hidden->keyboard_fd)
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81 #define saved_kbd_mode (this->hidden->saved_kbd_mode)
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82 #define saved_kbd_termios (this->hidden->saved_kbd_termios)
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83 #define mouse_fd (this->hidden->mouse_fd)
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84 #define cursor_drawn (this->hidden->cursor_drawn)
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85 #define mapped_mem (this->hidden->mapped_mem)
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86 #define pixels_len (this->hidden->pixels_len)
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87 #define mapped_len (this->hidden->mapped_len)
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88 #define screen_image (this->hidden->screen_image)
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89 #define screen_image_size (this->hidden->screen_image_size)
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90 #define head_tags_mem (this->hidden->head_tags_mem)
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91 #define image_tags_mem (this->hidden->image_tags_mem)
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92 #define tex_tags_mem (this->hidden->tex_tags_mem)
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93 #define scale_tags_mem (this->hidden->scale_tags_mem)
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94 #define dma_pending (this->hidden->dma_pending)
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95
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96 /* Shared between the mouse and video code for screen update scaling */
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97 extern int scaleimage_nonblock(int fd,
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98 unsigned long long *tm, unsigned long long *sm);
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99 #endif /* _SDL_gsvideo_h */