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annotate src/video/riscos/SDL_riscosvideo.c @ 1843:c2c327e8e781

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Needed unistd.h for unlink()
author Sam Lantinga <slouken@libsdl.org>
date Wed, 17 May 2006 04:11:33 +0000
parents 066236f0cbf0
children 782fd950bd46 c121d94672cb a1b03ba2fcd0
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 #include "SDL_config.h"
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23
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24 /*
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25 File added by Alan Buckley (alan_baa@hotmail.com) for RISC OS compatability
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26 23 March 2003
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27
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28 Implements RISC OS display device management.
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29 Routines for full screen and wimp modes are split
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30 into other source files.
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31 */
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32
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33 #include "SDL_video.h"
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34 #include "SDL_mouse.h"
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35 #include "SDL_syswm.h"
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36 #include "../SDL_sysvideo.h"
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37 #include "../SDL_pixels_c.h"
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38 #include "../../events/SDL_events_c.h"
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39
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40 #include "SDL_riscostask.h"
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41 #include "SDL_riscosvideo.h"
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42 #include "SDL_riscosevents_c.h"
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43 #include "SDL_riscosmouse_c.h"
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44
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45 #include "kernel.h"
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46 #include "swis.h"
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47
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48 #define RISCOSVID_DRIVER_NAME "riscos"
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49
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50 /* Initialization/Query functions */
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51 static int RISCOS_VideoInit(_THIS, SDL_PixelFormat *vformat);
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52 static void RISCOS_VideoQuit(_THIS);
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53
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54 static SDL_Rect **RISCOS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
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55 static SDL_Surface *RISCOS_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
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56
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57 int RISCOS_GetWmInfo(_THIS, SDL_SysWMinfo *info);
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58
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59 int RISCOS_ToggleFullScreen(_THIS, int fullscreen);
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60 /* Mouse checking */
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61 void RISCOS_CheckMouseMode(_THIS);
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62 extern SDL_GrabMode RISCOS_GrabInput(_THIS, SDL_GrabMode mode);
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63
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64 /* Fullscreen mode functions */
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65 extern SDL_Surface *FULLSCREEN_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
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66 extern void FULLSCREEN_BuildModeList(_THIS);
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67 extern void FULLSCREEN_SetDeviceMode(_THIS);
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68 extern int FULLSCREEN_ToggleFromWimp(_THIS);
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69
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70 /* Wimp mode functions */
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71 extern SDL_Surface *WIMP_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
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72 extern void WIMP_DeleteWindow(_THIS);
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73 extern int WIMP_ToggleFromFullScreen(_THIS);
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74
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75 /* Hardware surface functions - common to WIMP and FULLSCREEN */
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76 static int RISCOS_AllocHWSurface(_THIS, SDL_Surface *surface);
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77 static int RISCOS_LockHWSurface(_THIS, SDL_Surface *surface);
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78 static void RISCOS_UnlockHWSurface(_THIS, SDL_Surface *surface);
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79 static void RISCOS_FreeHWSurface(_THIS, SDL_Surface *surface);
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80
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81 /* RISC OS driver bootstrap functions */
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82
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83 static int RISCOS_Available(void)
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84 {
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85 return(1);
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86 }
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87
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88 static void RISCOS_DeleteDevice(SDL_VideoDevice *device)
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89 {
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90 SDL_free(device->hidden);
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91 SDL_free(device);
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92 }
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93
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94 static SDL_VideoDevice *RISCOS_CreateDevice(int devindex)
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95 {
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96 SDL_VideoDevice *device;
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97
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98 /* Initialize all variables that we clean on shutdown */
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99 device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice));
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100 if ( device ) {
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101 SDL_memset(device, 0, (sizeof *device));
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102 device->hidden = (struct SDL_PrivateVideoData *)
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103 SDL_malloc((sizeof *device->hidden));
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104 }
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105 if ( (device == NULL) || (device->hidden == NULL) ) {
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106 SDL_OutOfMemory();
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107 if ( device ) {
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108 SDL_free(device);
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109 }
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110 return(0);
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111 }
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112 SDL_memset(device->hidden, 0, (sizeof *device->hidden));
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113
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114 /* Set the function pointers */
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115 device->VideoInit = RISCOS_VideoInit;
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116 device->VideoQuit = RISCOS_VideoQuit;
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117
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118 device->ListModes = RISCOS_ListModes;
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119 device->SetVideoMode = RISCOS_SetVideoMode;
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120 device->CreateYUVOverlay = NULL;
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121 device->AllocHWSurface = RISCOS_AllocHWSurface;
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122 device->CheckHWBlit = NULL;
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123 device->FillHWRect = NULL;
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124 device->SetHWColorKey = NULL;
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125 device->SetHWAlpha = NULL;
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126 device->LockHWSurface = RISCOS_LockHWSurface;
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127 device->UnlockHWSurface = RISCOS_UnlockHWSurface;
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128 device->FreeHWSurface = RISCOS_FreeHWSurface;
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129
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130 device->FreeWMCursor = RISCOS_FreeWMCursor;
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131 device->CreateWMCursor = RISCOS_CreateWMCursor;
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132 device->CheckMouseMode = RISCOS_CheckMouseMode;
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133 device->GrabInput = RISCOS_GrabInput;
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134
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135 device->InitOSKeymap = RISCOS_InitOSKeymap;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
136
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
137 device->GetWMInfo = RISCOS_GetWmInfo;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
138
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
139 device->free = RISCOS_DeleteDevice;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
140
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
141 /* Can't get Toggle screen to work if program starts up in Full screen mode so
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
142 disable it here and re-enable it when a wimp screen is chosen */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143 device->ToggleFullScreen = NULL; /*RISCOS_ToggleFullScreen;*/
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 /* Set other entries for fullscreen mode */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 FULLSCREEN_SetDeviceMode(device);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147
1208
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
148 /* Mouse pointer needs to use the WIMP ShowCursor version so
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
149 that it doesn't modify the pointer until the SDL Window is
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
150 entered or the application goes full screen */
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
151 device->ShowWMCursor = WIMP_ShowWMCursor;
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
152
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 return device;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 VideoBootStrap RISCOS_bootstrap = {
1035
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
157 RISCOSVID_DRIVER_NAME, "RISC OS video driver",
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 RISCOS_Available, RISCOS_CreateDevice
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 };
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162 int RISCOS_VideoInit(_THIS, SDL_PixelFormat *vformat)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 _kernel_swi_regs regs;
1549
066236f0cbf0 Implemented RISC OS and OS/2 desktop resolution code (thanks to Alan and Doodle)
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
165 int vars[4], vals[3];
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 if (RISCOS_InitTask() == 0)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 SDL_SetError("Unable to start task");
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 return 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172
1549
066236f0cbf0 Implemented RISC OS and OS/2 desktop resolution code (thanks to Alan and Doodle)
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
173 vars[0] = 9; /* Log base 2 bpp */
066236f0cbf0 Implemented RISC OS and OS/2 desktop resolution code (thanks to Alan and Doodle)
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
174 vars[1] = 11; /* XWndLimit - num x pixels -1 */
066236f0cbf0 Implemented RISC OS and OS/2 desktop resolution code (thanks to Alan and Doodle)
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
175 vars[2] = 12; /* YWndLimit - num y pixels -1 */
066236f0cbf0 Implemented RISC OS and OS/2 desktop resolution code (thanks to Alan and Doodle)
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
176 vars[3] = -1; /* Terminate list */
066236f0cbf0 Implemented RISC OS and OS/2 desktop resolution code (thanks to Alan and Doodle)
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
177 regs.r[0] = (int)vars;
066236f0cbf0 Implemented RISC OS and OS/2 desktop resolution code (thanks to Alan and Doodle)
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
178 regs.r[1] = (int)vals;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179
1549
066236f0cbf0 Implemented RISC OS and OS/2 desktop resolution code (thanks to Alan and Doodle)
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
180 _kernel_swi(OS_ReadVduVariables, &regs, &regs);
066236f0cbf0 Implemented RISC OS and OS/2 desktop resolution code (thanks to Alan and Doodle)
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
181 vformat->BitsPerPixel = (1 << vals[0]);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182
1545
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
183 /* Determine the current screen size */
1549
066236f0cbf0 Implemented RISC OS and OS/2 desktop resolution code (thanks to Alan and Doodle)
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
184 this->info.current_w = vals[1] + 1;
066236f0cbf0 Implemented RISC OS and OS/2 desktop resolution code (thanks to Alan and Doodle)
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
185 this->info.current_h = vals[2] + 1;
1545
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
186
630
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187 /* Minimum bpp for SDL is 8 */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
188 if (vformat->BitsPerPixel < 8) vformat->BitsPerPixel = 8;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 switch (vformat->BitsPerPixel)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193 case 15:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194 case 16:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 vformat->Bmask = 0x00007c00;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 vformat->Gmask = 0x000003e0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 vformat->Rmask = 0x0000001f;
687
91400ecf307d Date: Mon, 11 Aug 2003 22:49:06 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 630
diff changeset
198 vformat->BitsPerPixel = 16; /* SDL wants actual number of bits used */
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 vformat->BytesPerPixel = 2;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 case 24:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203 case 32:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 vformat->Bmask = 0x00ff0000;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 vformat->Gmask = 0x0000ff00;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 vformat->Rmask = 0x000000ff;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 vformat->BytesPerPixel = 4;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210 default:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211 vformat->Bmask = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 vformat->Gmask = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 vformat->Rmask = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214 vformat->BytesPerPixel = 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 /* Fill in some window manager capabilities */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 this->info.wm_available = 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 /* We're done! */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 return(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225 /* Note: If we are terminated, this could be called in the middle of
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226 another SDL video routine -- notably UpdateRects.
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227 */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 void RISCOS_VideoQuit(_THIS)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 RISCOS_ExitTask();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
232 if (this->hidden->alloc_bank) SDL_free(this->hidden->alloc_bank);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 this->hidden->alloc_bank = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 SDL_Rect **RISCOS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 if (flags & SDL_FULLSCREEN)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 /* Build mode list when first required. */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 if (SDL_nummodes[0] == 0) FULLSCREEN_BuildModeList(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 } else
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 return (SDL_Rect **)-1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 /* Set up video mode */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 SDL_Surface *RISCOS_SetVideoMode(_THIS, SDL_Surface *current,
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 int width, int height, int bpp, Uint32 flags)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 if (flags & SDL_FULLSCREEN)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 RISCOS_StoreWimpMode();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 /* Dump wimp window on switch to full screen */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 if (this->hidden->window_handle) WIMP_DeleteWindow(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 return FULLSCREEN_SetVideoMode(this, current, width, height, bpp, flags);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 } else
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 RISCOS_RestoreWimpMode();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 return WIMP_SetVideoMode(this, current, width, height, bpp, flags);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 /* We don't actually allow hardware surfaces other than the main one */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 static int RISCOS_AllocHWSurface(_THIS, SDL_Surface *surface)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272 return(-1);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
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274 static void RISCOS_FreeHWSurface(_THIS, SDL_Surface *surface)
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275 {
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276 return;
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277 }
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278
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279 /* We need to wait for vertical retrace on page flipped displays */
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280 static int RISCOS_LockHWSurface(_THIS, SDL_Surface *surface)
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281 {
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282 return(0);
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283 }
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284
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285 static void RISCOS_UnlockHWSurface(_THIS, SDL_Surface *surface)
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286 {
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287 return;
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288 }
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289
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290
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291 int RISCOS_GetWmInfo(_THIS, SDL_SysWMinfo *info)
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292 {
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293 SDL_VERSION(&(info->version));
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294 info->wimpVersion = RISCOS_GetWimpVersion();
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295 info->taskHandle = RISCOS_GetTaskHandle();
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296 info->window = this->hidden->window_handle;
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297
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298 return 1;
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299 }
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300 /* Toggle full screen mode.
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301 Returns 1 if successful otherwise 0
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302 */
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303
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304 int RISCOS_ToggleFullScreen(_THIS, int fullscreen)
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305 {
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306 if (fullscreen)
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307 {
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308 return FULLSCREEN_ToggleFromWimp(this);
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309 } else
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310 {
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311 return WIMP_ToggleFromFullScreen(this);
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312 }
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313
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314 return 0;
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315 }
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316