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annotate src/video/ps2gs/SDL_gsvideo.h @ 3435:9f62f47d989b

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You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() This code still doesn't quite work yet. :)
author Sam Lantinga <slouken@libsdl.org>
date Mon, 16 Nov 2009 07:13:07 +0000
parents 99210400e8b9
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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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 #include "SDL_config.h"
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23
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24 #ifndef _SDL_gsvideo_h
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25 #define _SDL_gsvideo_h
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26
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27 #include <sys/types.h>
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28 #include <termios.h>
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29 #include <linux/ps2/dev.h>
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30 #include <linux/ps2/gs.h>
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31
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32 #include "SDL_mouse.h"
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33 #include "SDL_mutex.h"
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34 #include "../SDL_sysvideo.h"
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35
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36 /* Hidden "this" pointer for the video functions */
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37 #define _THIS SDL_VideoDevice *this
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39
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40 /* Private display data */
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41 struct SDL_PrivateVideoData
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42 {
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43 /* Gotta love that simple PS2 graphics interface. :) */
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44 int console_fd;
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45 int memory_fd;
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46 struct ps2_screeninfo saved_vinfo;
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47
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48 /* Ye olde linux keyboard code */
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49 int current_vt;
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50 int saved_vt;
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51 int keyboard_fd;
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52 int saved_kbd_mode;
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53 struct termios saved_kbd_termios;
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54
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55 /* Ye olde linux mouse code */
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56 int mouse_fd;
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57 int cursor_drawn;
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58
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59 /* The memory mapped DMA area and associated variables */
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60 caddr_t mapped_mem;
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61 int pixels_len;
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62 int mapped_len;
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63 struct ps2_image screen_image;
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64 int screen_image_size;
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65 unsigned long long *head_tags_mem;
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66 unsigned long long *image_tags_mem;
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67 unsigned long long *tex_tags_mem;
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68 unsigned long long *scale_tags_mem;
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69 int dma_pending;
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70 };
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71 /* Old variable names */
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72 #define console_fd (this->hidden->console_fd)
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73 #define memory_fd (this->hidden->memory_fd)
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74 #define saved_vinfo (this->hidden->saved_vinfo)
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75 #define current_vt (this->hidden->current_vt)
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76 #define saved_vt (this->hidden->saved_vt)
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77 #define keyboard_fd (this->hidden->keyboard_fd)
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78 #define saved_kbd_mode (this->hidden->saved_kbd_mode)
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79 #define saved_kbd_termios (this->hidden->saved_kbd_termios)
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80 #define mouse_fd (this->hidden->mouse_fd)
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81 #define cursor_drawn (this->hidden->cursor_drawn)
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82 #define mapped_mem (this->hidden->mapped_mem)
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83 #define pixels_len (this->hidden->pixels_len)
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84 #define mapped_len (this->hidden->mapped_len)
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85 #define screen_image (this->hidden->screen_image)
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86 #define screen_image_size (this->hidden->screen_image_size)
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87 #define head_tags_mem (this->hidden->head_tags_mem)
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88 #define image_tags_mem (this->hidden->image_tags_mem)
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89 #define tex_tags_mem (this->hidden->tex_tags_mem)
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90 #define scale_tags_mem (this->hidden->scale_tags_mem)
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91 #define dma_pending (this->hidden->dma_pending)
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92
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93 /* Shared between the mouse and video code for screen update scaling */
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94 extern int scaleimage_nonblock(int fd,
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95 unsigned long long *tm,
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96 unsigned long long *sm);
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97 #endif /* _SDL_gsvideo_h */
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98 /* vi: set ts=4 sw=4 expandtab: */