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annotate src/video/nanox/SDL_nxvideo.h @ 471:26dafefeebb2

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Date: Sat, 24 Aug 2002 22:20:01 -0600 From: "Greg Haerr" Subject: Announce: sdl-nanox-patch Sam, I've created an update patch for enhanced Nano-X support with SDL. I've created the patch against SDL-1.2.4. I'd appreciate it if you would apply it to the next SDL version. Enhancements include: 1. Small bugfixes to compile without errors 2. Support for direct client-side framebuffer access with configure option 3. Add dynamic pixel type support for hardware framebuffer; eliminating the need for compile-time configuration option. I've updated the README.NanoX file with the details. This version has been tested with Microwindows v0.89pre9 CVS and SMPEG 0.4.4. I've added multi-threading support to Microwindows to support the multi-threaded SMPEG, and all works fine. To turn on thread safety in Microwindows, use THREADSAFE=Y in the Microwindows config file. Thanks! Regards, Greg Founder, The Microwindows Project http://microwindows.org
author Sam Lantinga <slouken@libsdl.org>
date Sun, 25 Aug 2002 06:21:49 +0000
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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, 2001, 2002 Sam Lantinga
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4 Copyright (C) 2001 Hsieh-Fu Tsai
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5
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6 This library is free software; you can redistribute it and/or
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7 modify it under the terms of the GNU Library General Public
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8 License as published by the Free Software Foundation; either
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9 version 2 of the License, or (at your option) any later version.
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10
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11 This library is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 Library General Public License for more details.
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15
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16 You should have received a copy of the GNU Library General Public
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17 License along with this library; if not, write to the Free
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18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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20 Sam Lantinga
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21 slouken@libsdl.org
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22
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23 Hsieh-Fu Tsai
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24 clare@setabox.com
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25 */
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26
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27 #ifndef _SDL_nxvideo_h
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28 #define _SDL_nxvideo_h
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29
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30 #include <microwin/nano-X.h>
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31
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32 #include "SDL_sysvideo.h"
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33
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34 #ifdef ENABLE_NANOX_DEBUG
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35 #define Dprintf printf
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36 #else
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37 #define Dprintf(ignore...)
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38 #endif
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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 // Private display data
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44 typedef struct NX_SDL_VISUAL {
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45 int bpp ;
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46 Uint32 red_mask ;
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47 Uint32 green_mask ;
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48 Uint32 blue_mask ;
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49 } nx_sdl_visual_t ;
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50
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51 struct SDL_PrivateVideoData {
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52 GR_WINDOW_ID SDL_Window ;
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53 GR_WINDOW_ID FSwindow ;
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54 // Flag: true if we have been passed a window
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55 char * SDL_windowid ;
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56 GR_GC_ID GC ;
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57 unsigned char * Image ;
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58 unsigned char * Image_buff ; /* for GrArea*/
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59 unsigned char * Clientfb; /* for DirectFB*/
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60 nx_sdl_visual_t SDL_Visual ;
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61 // The current list of available video modes
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62 SDL_Rect ** modelist ;
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63 int currently_fullscreen ;
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64 // for fullscreen
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65 int OffsetX, OffsetY ;
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66 // for GammaRamp
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67 Uint16 * GammaRamp_R, * GammaRamp_G, * GammaRamp_B ;
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68 // for GrArea, r_mask, g_mask, b_mask
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69 int pixel_type ;
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70 #ifdef ENABLE_NANOX_DIRECT_FB
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71 GR_WINDOW_FB_INFO fbinfo;
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72 #endif
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73 } ;
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74
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75 #define SDL_Window (this -> hidden -> SDL_Window)
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76 #define FSwindow (this -> hidden -> FSwindow)
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77 #define SDL_windowid (this -> hidden -> SDL_windowid)
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78 #define SDL_GC (this -> hidden -> GC)
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79 #define SDL_Image (this -> hidden -> Image)
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80 #define Image_buff (this -> hidden -> Image_buff)
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81 #define Clientfb (this -> hidden -> Clientfb)
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82 #define SDL_Visual (this -> hidden -> SDL_Visual)
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83 #define SDL_modelist (this -> hidden -> modelist)
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84 #define currently_fullscreen (this -> hidden -> currently_fullscreen)
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85 #define OffsetX (this -> hidden -> OffsetX)
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86 #define OffsetY (this -> hidden -> OffsetY)
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87 #define GammaRamp_R (this -> hidden -> GammaRamp_R)
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88 #define GammaRamp_G (this -> hidden -> GammaRamp_G)
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89 #define GammaRamp_B (this -> hidden -> GammaRamp_B)
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90 #define pixel_type (this -> hidden -> pixel_type)
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91 #define fbinfo (this -> hidden -> fbinfo)
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93 #define CI_SIZE 256 // color index size
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95 #endif // _SDL_nxvideo_h