annotate src/video/riscos/SDL_riscosFullScreenVideo.c @ 912:bc0b95b02235

*** empty log message ***
author Sam Lantinga <slouken@libsdl.org>
date Wed, 21 Jul 2004 04:53:26 +0000
parents b8d311d90021
children f72cc0c7305f
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
630
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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@devolution.com
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21 */
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22
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23 /*
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24 File added by Alan Buckley (alan_baa@hotmail.com) for RISCOS compatability
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25 27 March 2003
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26
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27 Implements RISCOS full screen display.
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28 */
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29
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30 #include <stdio.h>
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31 #include <stdlib.h>
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32 #include <string.h>
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33
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34 #include "SDL.h"
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35 #include "SDL_error.h"
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36 #include "SDL_video.h"
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37 #include "SDL_mouse.h"
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38 #include "SDL_sysvideo.h"
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39 #include "SDL_pixels_c.h"
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40 #include "SDL_events_c.h"
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41
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42 #include "SDL_riscostask.h"
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43 #include "SDL_riscosvideo.h"
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44 #include "SDL_riscosevents_c.h"
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45 #include "SDL_riscosmouse_c.h"
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46
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47 #include "kernel.h"
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48 #include "swis.h"
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49 #include "unixlib/os.h"
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50 #include "unixlib/local.h"
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51
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52 /* Private structures */
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53 typedef struct tagScreenModeBlock
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54 {
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55 int flags; // mode selector flags, bit 0 = 1, bit 1-7 format specifier, 8-31 reserved
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56 int x_pixels;
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57 int y_pixels;
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58 int pixel_depth; // 2^pixel_depth = bpp,i.e. 0 = 1, 1 = 2, 4 = 16, 5 = 32
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59 int frame_rate; // -1 use first match
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60 int mode_vars[5]; // array of index, value pairs terminated by -1
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61 } SCREENMODEBLOCK;
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62
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63
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64 /* Helper functions */
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65 void FULLSCREEN_SetDeviceMode(_THIS);
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66 int FULLSCREEN_SetMode(int width, int height, int bpp);
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67 void FULLSCREEN_SetupBanks(_THIS);
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68
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69 /* SDL video device functions for fullscreen mode */
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70 static int FULLSCREEN_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
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71 static int FULLSCREEN_FlipHWSurface(_THIS, SDL_Surface *surface);
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72 static void FULLSCREEN_UpdateRects(_THIS, int numrects, SDL_Rect *rects);
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73 void FULLSCREEN_SetWMCaption(_THIS, const char *title, const char *icon);
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74 extern int RISCOS_GetWmInfo(_THIS, SDL_SysWMinfo *info);
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75
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76 /* Local helper functions */
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77 static int cmpmodes(const void *va, const void *vb);
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78 static int FULLSCREEN_AddMode(_THIS, int bpp, int w, int h);
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79 void FULLSCREEN_SetWriteBank(int bank);
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80 void FULLSCREEN_SetDisplayBank(int bank);
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81 static void FULLSCREEN_DisableEscape();
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82 static void FULLSCREEN_EnableEscape();
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83 void FULLSCREEN_BuildModeList(_THIS);
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84
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85 /* Following variable is set up in riskosTask.c */
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86 extern int riscos_backbuffer; /* Create a back buffer in system memory for full screen mode */
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87
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88
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89
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90 SDL_Surface *FULLSCREEN_SetVideoMode(_THIS, SDL_Surface *current,
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91 int width, int height, int bpp, Uint32 flags)
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92 {
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93 _kernel_swi_regs regs;
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94 Uint32 Rmask = 0;
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95 Uint32 Gmask = 0;
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96 Uint32 Bmask = 0;
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97 int create_back_buffer = riscos_backbuffer;
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98
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99 switch(bpp)
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100 {
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101 case 8:
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102 flags |= SDL_HWPALETTE;
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103 break;
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104
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105 case 15:
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106 case 16:
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107 Bmask = 0x00007c00;
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108 Gmask = 0x000003e0;
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109 Rmask = 0x0000001f;
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110 break;
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111
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112 case 32:
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113 Bmask = 0x00ff0000;
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114 Gmask = 0x0000ff00;
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115 Rmask = 0x000000ff;
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116 break;
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117
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118 default:
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119 SDL_SetError("Pixel depth not supported");
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120 return NULL;
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121 break;
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122 }
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123
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124 if (FULLSCREEN_SetMode(width, height, bpp) == 0)
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125 {
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126 SDL_SetError("Couldn't set requested mode");
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127 return (NULL);
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128 }
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129
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130 /* printf("Setting mode %dx%d\n", width, height); */
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131
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132 /* Allocate the new pixel format for the screen */
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133 if ( ! SDL_ReallocFormat(current, bpp, Rmask, Gmask, Bmask, 0) ) {
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134 RISCOS_RestoreWimpMode();
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135 SDL_SetError("Couldn't allocate new pixel format for requested mode");
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136 return(NULL);
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137 }
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138
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139 /* Set up the new mode framebuffer */
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140 current->w = width;
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141 this->hidden->height = current->h = height;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
142
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143 regs.r[0] = -1; /* -1 for current screen mode */
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parents:
diff changeset
144
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 /* Get screen width in bytes */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 regs.r[1] = 6; // Screen Width in bytes
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147 _kernel_swi(OS_ReadModeVariable, &regs, &regs);
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parents:
diff changeset
148
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149 current->pitch = regs.r[2];
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 if (flags & SDL_DOUBLEBUF)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 regs.r[0] = 2; /* Screen area */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 _kernel_swi(OS_ReadDynamicArea, &regs, &regs);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 /* Reg 1 has amount of memory currently used for display */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 regs.r[0] = 2; /* Screen area */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 regs.r[1] = (current->pitch * height * 2) - regs.r[1];
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 if (_kernel_swi(OS_ChangeDynamicArea, &regs, &regs) != NULL)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 /* Can't allocate enough screen memory for double buffer */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162 flags &= ~SDL_DOUBLEBUF;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 current->flags = flags | SDL_FULLSCREEN | SDL_HWSURFACE | SDL_PREALLOC;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 /* Need to set display banks here for double buffering */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 if (flags & SDL_DOUBLEBUF)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 FULLSCREEN_SetWriteBank(0);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 FULLSCREEN_SetDisplayBank(1);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 create_back_buffer = 0; /* Don't need a back buffer for a double buffered display */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178 FULLSCREEN_SetupBanks(this);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180 if (create_back_buffer)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 /* If not double buffered we may need to create a memory
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183 ** back buffer to simulate processing on other OS's.
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 ** This is turned on by setting the enviromental variable
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 ** SDL$<name>$BackBuffer to 1
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187 this->hidden->bank[0] = malloc(height * current->pitch);
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parents:
diff changeset
188 if (this->hidden->bank[0] == 0)
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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 RISCOS_RestoreWimpMode();
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 SDL_SetError("Couldnt allocate memory for back buffer");
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 return (NULL);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194 /* Surface updated in programs is now a software surface */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 current->flags &= ~SDL_HWSURFACE;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198 /* Store address of allocated screen bank to be freed later */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 if (this->hidden->alloc_bank) free(this->hidden->alloc_bank);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200 if (create_back_buffer)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 {
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
202 this->hidden->alloc_bank = this->hidden->bank[0];
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203 } else
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
204 this->hidden->alloc_bank = 0;
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parents:
diff changeset
205
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 // Clear both banks to black
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 memset(this->hidden->bank[0], 0, height * current->pitch);
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parents:
diff changeset
208 memset(this->hidden->bank[1], 0, height * current->pitch);
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parents:
diff changeset
209
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210 this->hidden->current_bank = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211 current->pixels = this->hidden->bank[0];
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
213 /* Reset device functions for the wimp */
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
214 FULLSCREEN_SetDeviceMode(this);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 /* FULLSCREEN_DisableEscape(); */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 /* We're done */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 return(current);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 /* Reset any device functions that have been changed because we have run in WIMP mode */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223 void FULLSCREEN_SetDeviceMode(_THIS)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225 if (this->SetColors == FULLSCREEN_SetColors) return; /* Already set up */
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parents:
diff changeset
226
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227 this->SetColors = FULLSCREEN_SetColors;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 this->UpdateRects = FULLSCREEN_UpdateRects;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 this->FlipHWSurface = FULLSCREEN_FlipHWSurface;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232 this->SetCaption = FULLSCREEN_SetWMCaption;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 this->SetIcon = NULL;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 this->IconifyWindow = NULL;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 this->ShowWMCursor = RISCOS_ShowWMCursor;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 this->WarpWMCursor = FULLSCREEN_WarpWMCursor;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 this->PumpEvents = FULLSCREEN_PumpEvents;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 /* Query for the list of available video modes */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 void FULLSCREEN_BuildModeList(_THIS)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 _kernel_swi_regs regs;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 char *enumInfo = NULL;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 char *enum_ptr;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 int *blockInfo;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 int j;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 int num_modes;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 /* Find out how much space we need */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 regs.r[0] = 2; /* Reason code */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 regs.r[2] = 0; /* Number of modes to skip */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 regs.r[6] = 0; /* pointer to block or 0 for count */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 regs.r[7] = 0; /* Size of block in bytes */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 _kernel_swi(OS_ScreenMode, &regs, &regs);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 num_modes = -regs.r[2];
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 /* Video memory should be in r[5] */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 this->info.video_mem = regs.r[5]/1024;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 enumInfo = (unsigned char *)malloc(-regs.r[7]);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 if (enumInfo == NULL)
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 SDL_OutOfMemory();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 return;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 /* Read mode information into block */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 regs.r[2] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272 regs.r[6] = (int)enumInfo;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 regs.r[7] = -regs.r[7];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 _kernel_swi(OS_ScreenMode, &regs, &regs);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 enum_ptr = enumInfo;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 for (j =0; j < num_modes;j++)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 blockInfo = (int *)enum_ptr;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 if ((blockInfo[1] & 255) == 1) /* We understand this format */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 switch(blockInfo[4])
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 case 3: /* 8 bits per pixel */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286 FULLSCREEN_AddMode(this, 8, blockInfo[2], blockInfo[3]);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 case 4: /* 15 bits per pixel */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289 FULLSCREEN_AddMode(this, 15, blockInfo[2], blockInfo[3]);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291 case 5: /* 32 bits per pixel */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292 FULLSCREEN_AddMode(this, 32, blockInfo[2], blockInfo[3]);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
296
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
297 enum_ptr += blockInfo[0];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
298 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
299
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
300 free(enumInfo);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
302 /* Sort the mode lists */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 for ( j=0; j<NUM_MODELISTS; ++j ) {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
304 if ( SDL_nummodes[j] > 0 ) {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305 qsort(SDL_modelist[j], SDL_nummodes[j], sizeof *SDL_modelist[j], cmpmodes);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
306 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
307 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
308 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310 static int FULLSCREEN_FlipHWSurface(_THIS, SDL_Surface *surface)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
313 regs.r[0] = 19;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
314 /* Wait for Vsync */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
315 _kernel_swi(OS_Byte, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
316
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 FULLSCREEN_SetDisplayBank(this->hidden->current_bank);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
318 this->hidden->current_bank ^= 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
319 FULLSCREEN_SetWriteBank(this->hidden->current_bank);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 surface->pixels = this->hidden->bank[this->hidden->current_bank];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
322 return(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
323 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 static void FULLSCREEN_UpdateRects(_THIS, int numrects, SDL_Rect *rects)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
327 if (riscos_backbuffer && (this->screen->flags & SDL_DOUBLEBUF) == 0)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
328 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329 /* If not double buffered copy rectangles to main screen now */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 int j;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 char *to, *from;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332 int pitch = this->screen->pitch;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
333 int row;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 int xmult = this->screen->format->BytesPerPixel;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 for (j = 0; j < numrects; j++)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 from = this->hidden->bank[0] + rects->x * xmult + rects->y * pitch;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 to = this->hidden->bank[1] + rects->x * xmult + rects->y * pitch;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 for (row = 0; row < rects->h; row++)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 memcpy(to, from, rects->w * xmult);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 from += pitch;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343 to += pitch;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
344 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
345 rects++;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
346 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
347 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
348 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
349
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
350 int FULLSCREEN_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
351 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353 int palette[256];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355 regs.r[0] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356 regs.r[1] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357 regs.r[2] = (int)palette;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 regs.r[3] = 1024;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359 regs.r[4] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360 _kernel_swi(ColourTrans_ReadPalette, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
361
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
362 while(ncolors--)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
363 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
364 palette[firstcolor] = ((colors->b) << 24) | ((colors->g) << 16) | ((colors->r) << 8);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365 firstcolor++;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
366 colors++;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
368
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369 regs.r[0] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
370 regs.r[1] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
371 regs.r[2] = (int)palette;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
372 regs.r[3] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
373 regs.r[4] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
374 _kernel_swi(ColourTrans_WritePalette, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
375
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
376 return(1);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
377 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
378
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
380 static int cmpmodes(const void *va, const void *vb)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
381 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
382 SDL_Rect *a = *(SDL_Rect **)va;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383 SDL_Rect *b = *(SDL_Rect **)vb;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384 if(a->w > b->w)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385 return -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386 return b->h - a->h;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
388
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389 static int FULLSCREEN_AddMode(_THIS, int bpp, int w, int h)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
390 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391 SDL_Rect *mode;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392 int i, index;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393 int next_mode;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 /* Check to see if we already have this mode */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396 if ( bpp < 8 ) { /* Not supported */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397 return(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
398 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399 index = ((bpp+7)/8)-1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400 for ( i=0; i<SDL_nummodes[index]; ++i ) {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 mode = SDL_modelist[index][i];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402 if ( (mode->w == w) && (mode->h == h) ) {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
403 return(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
406
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
407 /* Set up the new video mode rectangle */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
408 mode = (SDL_Rect *)malloc(sizeof *mode);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
409 if ( mode == NULL ) {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
410 SDL_OutOfMemory();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
411 return(-1);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
412 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413 mode->x = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414 mode->y = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415 mode->w = w;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416 mode->h = h;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
417
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
418 /* Allocate the new list of modes, and fill in the new mode */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
419 next_mode = SDL_nummodes[index];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
420 SDL_modelist[index] = (SDL_Rect **)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
421 realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *));
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
422 if ( SDL_modelist[index] == NULL ) {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
423 SDL_OutOfMemory();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
424 SDL_nummodes[index] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
425 free(mode);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
426 return(-1);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
427 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
428 SDL_modelist[index][next_mode] = mode;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
429 SDL_modelist[index][next_mode+1] = NULL;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
430 SDL_nummodes[index]++;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
431
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
432 return(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
433 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
434
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
435 void FULLSCREEN_SetWriteBank(int bank)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
436 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
437 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
438 regs.r[0] = 112;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
439 regs.r[1] = bank+1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
440 _kernel_swi(OS_Byte, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
441 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
442
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
443 void FULLSCREEN_SetDisplayBank(int bank)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
444 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
445 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
446 regs.r[0] = 113;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
447 regs.r[1] = bank+1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
448 _kernel_swi(OS_Byte, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
449 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
450
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
451
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
452 /** Disable special escape key processing */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
453 static void FULLSCREEN_DisableEscape()
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
454 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
455 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
456 regs.r[0] = 229;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
457 regs.r[1] = 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
458 regs.r[2] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
459 _kernel_swi(OS_Byte, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
460
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
461 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
462
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
463 /** Enable special escape key processing */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
464 static void FULLSCREEN_EnableEscape()
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
465 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
466 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
467 regs.r[0] = 229;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
468 regs.r[1] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
469 regs.r[2] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
470 _kernel_swi(OS_Byte, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
471
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
472 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
473
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
474 /** Store caption in case this is called before we create a window */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
475 void FULLSCREEN_SetWMCaption(_THIS, const char *title, const char *icon)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
476 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
477 strncpy(this->hidden->title, title, 255);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
478 this->hidden->title[255] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
479 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
480
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
481 /* Set screen mode
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
482 *
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
483 * Returns 1 if mode is set ok, otherwise 0
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
484 */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
485
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
486 int FULLSCREEN_SetMode(int width, int height, int bpp)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
487 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
488 SCREENMODEBLOCK smb;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
489 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
490
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
491 smb.flags = 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
492 smb.x_pixels = width;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
493 smb.y_pixels = height;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
494 smb.mode_vars[0] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
495
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
496 switch(bpp)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
497 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
498 case 8:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
499 smb.pixel_depth = 3;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
500 /* Note: Need to set ModeFlags to 128 and NColour variables to 255 get full 8 bit palette */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
501 smb.mode_vars[0] = 0; smb.mode_vars[1] = 128; /* Mode flags */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
502 smb.mode_vars[2] = 3; smb.mode_vars[3] = 255; /* NColour (number of colours -1) */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
503 smb.mode_vars[4] = -1; /* End of list */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
504 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
505
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
506 case 15:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
507 case 16:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
508 smb.pixel_depth = 4;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
509 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
510
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
511 case 32:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
512 smb.pixel_depth = 5;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
513 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
514
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
515 default:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
516 SDL_SetError("Pixel depth not supported");
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
517 return 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
518 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
519 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
520
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
521 smb.frame_rate = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
522
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
523 regs.r[0] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
524 regs.r[1] = (int)&smb;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
525
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
526 if (_kernel_swi(OS_ScreenMode, &regs, &regs) != 0)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
527 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
528 SDL_SetError("Couldn't set requested mode");
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
529 return 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
530 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
531
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
532 /* Turn cursor off*/
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
533 _kernel_oswrch(23);_kernel_oswrch(1);_kernel_oswrch(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
534 _kernel_oswrch(0);_kernel_oswrch(0);_kernel_oswrch(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
535 _kernel_oswrch(0);_kernel_oswrch(0);_kernel_oswrch(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
536 _kernel_oswrch(0);_kernel_oswrch(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
537
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
538 return 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
539 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
540
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
541 /* Get Start addresses for the screen banks */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
542 void FULLSCREEN_SetupBanks(_THIS)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
543 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
544 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
545 int block[5];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
546 block[0] = 148; /* Write screen start */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
547 block[1] = 149; /* Display screen start */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
548 block[2] = 4; /* X eig factor */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
549 block[3] = 5; /* Y eig factor */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
550 block[4] = -1; /* End of list of variables to request */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
551
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
552 regs.r[0] = (int)block;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
553 regs.r[1] = (int)block;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
554 _kernel_swi(OS_ReadVduVariables, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
555
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
556 this->hidden->bank[0] = (void *)block[0];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
557 this->hidden->bank[1] = (void *)block[1];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
558 this->hidden->xeig = block[2];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
559 this->hidden->yeig = block[3];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
560 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
561
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
562 /* Toggle to full screen mode from the WIMP */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
563
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
564 int FULLSCREEN_ToggleFromWimp(_THIS)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
565 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
566 int width = this->screen->w;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
567 int height = this->screen->h;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
568 int bpp = this->screen->format->BitsPerPixel;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
569
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
570 RISCOS_StoreWimpMode();
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571 if (FULLSCREEN_SetMode(width, height, bpp))
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572 {
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573 char *buffer = this->hidden->alloc_bank; /* This is start of sprite data */
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574 /* Support back buffer mode only */
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575 riscos_backbuffer = 1;
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576
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577 FULLSCREEN_SetupBanks(this);
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578
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579 this->hidden->bank[0] = buffer + 60; /* Start of sprite data */
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580 if (bpp == 8) this->hidden->bank[0] += 2048; /* 8bpp sprite have palette first */
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581
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582 this->hidden->current_bank = 0;
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583 this->screen->pixels = this->hidden->bank[0];
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584
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585 /* Copy back buffer to screen memory */
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586 memcpy(this->hidden->bank[1], this->hidden->bank[0], width * height * this->screen->format->BytesPerPixel);
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587
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588 FULLSCREEN_SetDeviceMode(this);
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589 return 1;
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590 } else
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591 RISCOS_RestoreWimpMode();
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592
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593 return 0;
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594 }