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annotate src/video/gem/SDL_gemwm.c @ 889:eac8c69b5706

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ate: Fri, 09 Apr 2004 20:07:10 +0200 From: Hibernatus Subject: [SDL] BUG: changing video mode in opengl + windows In WIN_GL_SetupWindow (SDL12/src/video/wincommon/SDL_wingl.c) you call WIN_GL_ResetWindow when SetPixelFormat fails. WIN_GL_ResetWindow cannot properly work in its current state, because there are several things to update once you've created a new window. At least DirectInput doesn't work anymore here (which is somewhat annoying for the player :). I think you can simply remove that function. Many games don't try to recover from that exception, that's why the newest ATI drivers emulate 16 bpp display in 32 bpp mode so the error never occurs (but the games may run much slower). Having SDL_SetVideoMode return NULL would be better than actually setting the video mode and losing focus, directinput and maybe directsound too. It also made my previous drivers crash (when switching from 32 bpp windowed to 16 bpp fullscreen).
author Sam Lantinga <slouken@libsdl.org>
date Sun, 16 May 2004 18:02:48 +0000
parents b8d311d90021
children adb547913775
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 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 /*
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29 GEM SDL video driver
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30 Window manager functions
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31
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32 Patrice Mandin
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33 */
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34
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35 /* Mint includes */
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36 #include <gem.h>
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37
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38 #include "SDL_gemwm_c.h"
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39
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40 /* Defines */
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41
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42 #define DEBUG_VIDEO_GEM 0
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43
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44 #define ICONWIDTH 64
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45 #define ICONHEIGHT 64
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46
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47 /* Functions */
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48
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49 void GEM_SetCaption(_THIS, const char *title, const char *icon)
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50 {
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51 if (title) {
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52 GEM_title_name = title;
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53 GEM_refresh_name = SDL_TRUE;
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54 }
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55
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56 if (icon) {
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57 GEM_icon_name = icon;
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58 GEM_refresh_name = SDL_TRUE;
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59 }
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60 }
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61
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62 void GEM_SetIcon(_THIS, SDL_Surface *icon, Uint8 *mask)
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63 {
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64 SDL_Surface *sicon;
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65 SDL_Rect bounds;
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66
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67 #ifdef DEBUG_VIDEO_GEM
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68 printf("sdl:video:gem: SetIcon(0x%08x)\n", (long) icon);
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69 #endif
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70
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71 #if 0
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72 if ((GEM_wfeatures & (1<<WF_ICONIFY))==0) {
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73 #ifdef DEBUG_VIDEO_GEM
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74 printf("sdl:video:gem: AES can not iconify windows\n");
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75 #endif
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76 return;
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77 }
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78 #endif
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79
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80 if (icon == NULL) {
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81 return;
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82 }
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83
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84 /* Convert icon to the screen format */
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85 sicon = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h,
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86 VDI_bpp, VDI_redmask, VDI_greenmask, VDI_bluemask, 0);
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87 if ( sicon == NULL ) {
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88 return;
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89 }
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90
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91 bounds.x = 0;
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92 bounds.y = 0;
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93 bounds.w = icon->w;
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94 bounds.h = icon->h;
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95 if ( SDL_LowerBlit(icon, &bounds, sicon, &bounds) < 0 ) {
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96 SDL_FreeSurface(sicon);
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97 return;
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98 }
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99
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100 GEM_icon = sicon;
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101
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102 #ifdef DEBUG_VIDEO_GEM
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103 printf("sdl:video:gem: SetIcon(): done\n");
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104 #endif
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105 }
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106
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107 int GEM_IconifyWindow(_THIS)
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108 {
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109 if ((GEM_wfeatures & (1<<WF_ICONIFY))==0)
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110 return 0;
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111
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112 GEM_message[0] = WM_ICONIFY;
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113 GEM_message[1] = gl_apid;
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114 GEM_message[2] = 0;
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115 GEM_message[3] = GEM_handle;
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116 GEM_message[4] = 0;
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117 GEM_message[5] = GEM_desk_h-ICONHEIGHT;
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118 GEM_message[6] = ICONWIDTH;
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119 GEM_message[7] = ICONHEIGHT;
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120
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121 appl_write(gl_apid, sizeof(GEM_message), GEM_message);
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123 return 1;
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124 }
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125
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126 SDL_GrabMode GEM_GrabInput(_THIS, SDL_GrabMode mode)
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127 {
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128 return mode;
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129 }