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annotate src/video/riscos/SDL_wimpvideo.c @ 1402:d910939febfa

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Use consistent identifiers for the various platforms we support. Make sure every source file includes SDL_config.h, so the proper system headers are chosen.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 21 Feb 2006 08:46:50 +0000
parents c0a74f199ecf
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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b8d311d90021 Updated copyright information for 2004 (Happy New Year!)
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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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c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
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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 27 March 2003
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27
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28 Implements RISC OS Wimp display.
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29 */
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30
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31 #include "SDL_video.h"
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32 #include "SDL_mouse.h"
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33 #include "../SDL_sysvideo.h"
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34 #include "../SDL_pixels_c.h"
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35 #include "../../events/SDL_events_c.h"
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36
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37 #include "SDL_riscostask.h"
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38 #include "SDL_riscosvideo.h"
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39 #include "SDL_riscosevents_c.h"
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40 #include "SDL_riscosmouse_c.h"
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41
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42 #include "kernel.h"
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43 #include "swis.h"
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44
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45 /* Initialization/Query functions */
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46 SDL_Rect **WIMP_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
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47 SDL_Surface *WIMP_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
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48 int WIMP_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
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49 void WIMP_SetWMCaption(_THIS, const char *title, const char *icon);
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50
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51
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52 extern unsigned char *WIMP_CreateBuffer(int width, int height, int bpp);
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53 extern void WIMP_PumpEvents(_THIS);
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54 extern void WIMP_PlotSprite(_THIS, int x, int y);
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55 extern void WIMP_SetupPlotInfo(_THIS);
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56 extern void WIMP_SetFocus(int win);
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57
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58 /* etc. */
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59 static void WIMP_UpdateRects(_THIS, int numrects, SDL_Rect *rects);
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60
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61 /* RISC OS Wimp handling helpers */
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62 void WIMP_ReadModeInfo(_THIS);
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63 unsigned int WIMP_SetupWindow(_THIS, SDL_Surface *surface);
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64 void WIMP_SetDeviceMode(_THIS);
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65 void WIMP_DeleteWindow(_THIS);
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66
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67 /* FULLSCREEN function required for wimp/fullscreen toggling */
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68 extern int FULLSCREEN_SetMode(int width, int height, int bpp);
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69
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70 /* Currently need to set this up here as it only works if you
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71 start up in a Wimp mode */
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72 extern int RISCOS_ToggleFullScreen(_THIS, int fullscreen);
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73
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74 extern int riscos_backbuffer;
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75 extern int mouseInWindow;
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76 extern int riscos_closeaction;
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77
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78 /* Following needed to ensure window is shown immediately */
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79 extern int hasFocus;
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80 extern void WIMP_Poll(_THIS, int waitTime);
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81
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82 SDL_Surface *WIMP_SetVideoMode(_THIS, SDL_Surface *current,
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83 int width, int height, int bpp, Uint32 flags)
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84 {
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85 Uint32 Rmask = 0;
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86 Uint32 Gmask = 0;
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87 Uint32 Bmask = 0;
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88 char *buffer = NULL;
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89 int bytesPerPixel = 1;
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90
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91 /* Don't support double buffering in Wimp mode */
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92 flags &= ~SDL_DOUBLEBUF;
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93 flags &= ~SDL_HWSURFACE;
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94
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95 switch(bpp)
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96 {
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97 case 8:
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98 /* Emulated palette using ColourTrans */
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99 flags |= SDL_HWPALETTE;
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100 break;
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101
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102 case 15:
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103 case 16:
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104 Bmask = 0x00007c00;
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105 Gmask = 0x000003e0;
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106 Rmask = 0x0000001f;
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107 bytesPerPixel = 2;
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108 break;
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109
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110 case 32:
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111 Bmask = 0x00ff0000;
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112 Gmask = 0x0000ff00;
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113 Rmask = 0x000000ff;
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114 bytesPerPixel = 4;
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115 break;
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116
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117 default:
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118 SDL_SetError("Pixel depth not supported");
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119 return NULL;
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120 break;
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121 }
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122
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123 /* printf("Setting mode %dx%d\n", width, height);*/
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124
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125 /* Allocate the new pixel format for the screen */
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126 if ( ! SDL_ReallocFormat(current, bpp, Rmask, Gmask, Bmask, 0) ) {
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127 SDL_SetError("Couldn't allocate new pixel format for requested mode");
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128 return(NULL);
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129 }
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130
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131 /* Set up the new mode framebuffer */
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132 current->w = width;
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133 this->hidden->height = current->h = height;
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134
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135 if (bpp == 15) bpp = 16;
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136 buffer = WIMP_CreateBuffer(width, height, bpp);
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137 if (buffer == NULL)
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138 {
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139 SDL_SetError("Couldn't create sprite for video memory");
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140 return (NULL);
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141 }
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diff changeset
142
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parents:
diff changeset
143 this->hidden->bank[0] = buffer + 60; /* Start of sprite data */
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144 if (bpp == 8) this->hidden->bank[0] += 2048; /* 8bpp sprite have palette first */
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145
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diff changeset
146 this->hidden->bank[1] = buffer; /* Start of buffer */
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147
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parents:
diff changeset
148 /* Remember sprite buffer so it can be freed later */
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149 if (this->hidden->alloc_bank) SDL_free(this->hidden->alloc_bank);
630
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150 this->hidden->alloc_bank = buffer;
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151
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
152 current->pitch = width * bytesPerPixel;
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Sam Lantinga <slouken@libsdl.org>
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153 if ((current->pitch & 3))
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parents:
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154 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 /* Sprites are 32bit word aligned */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 current->pitch += (4 - (current->pitch & 3));
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157 }
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158
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Sam Lantinga <slouken@libsdl.org>
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159 current->flags = flags | SDL_PREALLOC;
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160
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
161 WIMP_ReadModeInfo(this);
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162
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163 SDL_memset(this->hidden->bank[0], 0, height * current->pitch);
630
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164
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Sam Lantinga <slouken@libsdl.org>
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165 this->hidden->current_bank = 0;
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Sam Lantinga <slouken@libsdl.org>
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166 current->pixels = this->hidden->bank[0];
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167
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168
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Sam Lantinga <slouken@libsdl.org>
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169 if (WIMP_SetupWindow(this, current) == 0)
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170 {
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171 SDL_SetError("Unable to create window to display surface");
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172 return NULL;
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Sam Lantinga <slouken@libsdl.org>
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173 }
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174
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
175 /* Reset device functions for the wimp */
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176 WIMP_SetDeviceMode(this);
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177
634
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178 /* Needs to set up plot info after window has been created */
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179 /* Not sure why, but plots don't work if I do it earlier */
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180 WIMP_SetupPlotInfo(this);
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181
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182 /* Poll until window is shown */
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Sam Lantinga <slouken@libsdl.org>
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183 {
44d574ed4780 Date: Thu, 05 Jun 2003 09:36:40 +0100
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184 /* We wait until it gets the focus, but give up after 5 seconds
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185 in case the focus is prevented in any way.
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186 */
44d574ed4780 Date: Thu, 05 Jun 2003 09:36:40 +0100
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187 Uint32 now = SDL_GetTicks();
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188 while (!hasFocus && SDL_GetTicks() - now < 5000)
44d574ed4780 Date: Thu, 05 Jun 2003 09:36:40 +0100
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189 {
44d574ed4780 Date: Thu, 05 Jun 2003 09:36:40 +0100
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190 WIMP_Poll(this, 0);
44d574ed4780 Date: Thu, 05 Jun 2003 09:36:40 +0100
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diff changeset
191 }
44d574ed4780 Date: Thu, 05 Jun 2003 09:36:40 +0100
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192 }
630
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193
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194 /* We're done */
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195 return(current);
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196 }
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197
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198
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199 void WIMP_ReadModeInfo(_THIS)
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200 {
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201 _kernel_swi_regs regs;
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202 int vars[6];
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203 int vals[5];
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204
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205 vars[0] = 4; /* XEig */
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206 vars[1] = 5; /* YEig */
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207 vars[2] = 9; /* Log base 2 bpp */
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208 vars[3] = 11; /* Screen Width - 1 */
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209 vars[4] = 12; /* Screen Depth - 1 */
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210 vars[5] = -1; /* Terminate list */
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211
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212 regs.r[0] = (int)vars;
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213 regs.r[1] = (int)vals;
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214 _kernel_swi(OS_ReadVduVariables, &regs, &regs);
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215 this->hidden->xeig = vals[0];
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216 this->hidden->yeig = vals[1];
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
217 this->hidden->screen_bpp = 1 << vals[2];
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218 this->hidden->screen_width = vals[3] + 1;
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219 this->hidden->screen_height = vals[4] + 1;
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220 }
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diff changeset
221
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
222 /* Set device function to call the correct versions for running
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Sam Lantinga <slouken@libsdl.org>
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223 in a wimp window */
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224
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diff changeset
225 void WIMP_SetDeviceMode(_THIS)
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diff changeset
226 {
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227 if (this->UpdateRects == WIMP_UpdateRects) return; /* Already set up */
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228
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229 this->SetColors = WIMP_SetColors;
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diff changeset
230 this->UpdateRects = WIMP_UpdateRects;
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diff changeset
231
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
232 this->FlipHWSurface = NULL;
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233
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
234 this->SetCaption = WIMP_SetWMCaption;
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Sam Lantinga <slouken@libsdl.org>
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235 this->SetIcon = NULL;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
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236 this->IconifyWindow = NULL;
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diff changeset
237
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
238 this->ShowWMCursor = WIMP_ShowWMCursor;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 this->WarpWMCursor = WIMP_WarpWMCursor;
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240
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
241 this->ToggleFullScreen = RISCOS_ToggleFullScreen;
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diff changeset
242
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
243 this->PumpEvents = WIMP_PumpEvents;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 }
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parents:
diff changeset
245
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 /* Setup the Window to display the surface */
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
247 unsigned int WIMP_SetupWindow(_THIS, SDL_Surface *surface)
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248 {
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diff changeset
249 _kernel_swi_regs regs;
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
250 int window_data[23];
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 int *window_block = window_data+1;
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
252 int x = (this->hidden->screen_width - surface->w) / 2;
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parents:
diff changeset
253 int y = (this->hidden->screen_height - surface->h) / 2;
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diff changeset
254 int xeig = this->hidden->xeig;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 int yeig = this->hidden->yeig;
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diff changeset
256
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 mouseInWindow = 0;
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parents:
diff changeset
258
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 /* Always delete the window and recreate on a change */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 if (this->hidden->window_handle) WIMP_DeleteWindow(this);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 /* Setup window co-ordinates */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 window_block[0] = x << xeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 window_block[1] = y << yeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 window_block[2] = window_block[0] + (surface->w << xeig);
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parents:
diff changeset
266 window_block[3] = window_block[1] + (surface->h << yeig);
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parents:
diff changeset
267
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 window_block[4] = 0; /* Scroll offsets */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 window_block[5] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 window_block[6] = -1; /* Open on top of window stack */
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parents:
diff changeset
272
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 window_block[7] = 0x85040042; /* Window flags */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 if (riscos_closeaction != 0) window_block[7] |= 0x2000000;
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parents:
diff changeset
275
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 /* TODO: Take into account surface->flags */
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parents:
diff changeset
277
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diff changeset
278 window_block[8] = 0xff070207; /* Window colours */
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parents:
diff changeset
279 window_block[9] = 0x000c0103;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 window_block[10] = 0; /* Work area minimum */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 window_block[11] = -surface->h << yeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282 window_block[12] = surface->w << xeig; /* Work area maximum */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 window_block[13] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284 window_block[14] = 0x2700013d; /* Title icon flags */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 window_block[15] = 0x00003000; /* Work area flags - Mouse click down reported */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286 window_block[16] = 1; /* Sprite area control block pointer */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287 window_block[17] = 0x00100010; /* Minimum window size (width & height) (16x16)*/
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 window_block[18] = (int)this->hidden->title; /* Title data */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289 window_block[19] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290 window_block[20] = 256;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291 window_block[21] = 0; /* Number of icons */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 regs.r[1] = (unsigned int)(window_block);
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 /* Create the window */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
296 if (_kernel_swi(Wimp_CreateWindow, &regs, &regs) == NULL)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
297 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
298 this->hidden->window_handle = window_data[0] = regs.r[0];
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 /* Show the window on the screen */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301 regs.r[1] = (unsigned int)window_data;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
302 if (_kernel_swi(Wimp_OpenWindow, &regs, &regs) == NULL)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
304 WIMP_SetFocus(this->hidden->window_handle);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305 } else
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 WIMP_DeleteWindow(this);
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
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 return this->hidden->window_handle;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
313
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
314 /* Destroy the Window */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
315
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
316 void WIMP_DeleteWindow(_THIS)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
318 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
319 regs.r[1] = (unsigned int)&(this->hidden->window_handle);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 _kernel_swi(Wimp_DeleteWindow, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 this->hidden->window_handle = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
322 }
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 void WIMP_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 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
328 int update_block[12];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329 int xeig = this->hidden->xeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 int yeig = this->hidden->yeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 int j;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332 update_block[0] = this->hidden->window_handle;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
333
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 for (j = 0; j < numrects; j++)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 update_block[1] = rects[j].x << xeig; /* Min X */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 update_block[4] = -(rects[j].y << yeig);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 update_block[3] = update_block[1] + (rects[j].w << xeig);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 update_block[2] = update_block[4] - (rects[j].h << yeig);
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 regs.r[1] = (int)update_block;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 /* Update window can fail if called before first poll */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343 if (_kernel_swi(Wimp_UpdateWindow, &regs, &regs) == 0)
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 while (regs.r[0])
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 WIMP_PlotSprite(this, update_block[1], update_block[2]);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
348 _kernel_swi(Wimp_GetRectangle, &regs, &regs);
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 }
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 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353
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 int WIMP_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
356 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357 unsigned int *pal = (unsigned int *)(this->hidden->bank[1]+60);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 int j;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359 SDL_Rect update;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
361 pal += firstcolor*2;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
362 for (j = 0; j < ncolors; j++)
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 *pal = (((unsigned int)colors->r) << 8)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365 + (((unsigned int)colors->g) << 16)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
366 + (((unsigned int)colors->b) << 24);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367 pal[1] = *pal;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
368 pal += 2;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369 colors++;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
370 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
371
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
372 WIMP_SetupPlotInfo(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
373
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
374 /* Need to refresh the window */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
375 update.x = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
376 update.y = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
377 update.w = SDL_VideoSurface->w;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
378 update.h = SDL_VideoSurface->h;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379 WIMP_UpdateRects(this, 1, &update);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
380
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
381 return 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
382 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384 void WIMP_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
385 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387
1379
c0a74f199ecf Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
388 SDL_strlcpy(this->hidden->title, title, SDL_arraysize(this->hidden->title));
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
390 if (RISCOS_GetWimpVersion() < 380)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392 int block[6];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394 regs.r[1] = (int)block;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 _kernel_swi(Wimp_GetCaretPosition, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396 if (block[0] == (int)this->hidden->window_handle)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
398 regs.r[0] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399 _kernel_swi(Wimp_SetCaretPosition, &regs,&regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400 } else
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402 regs.r[0] = this->hidden->window_handle;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
403 regs.r[1] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 regs.r[2] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405 regs.r[3] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
406 _kernel_swi(Wimp_SetCaretPosition, &regs,&regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
407 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
408 regs.r[0] = block[0];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
409 regs.r[1] = block[1];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
410 regs.r[2] = block[2];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
411 regs.r[3] = block[3];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
412 regs.r[4] = block[4];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413 regs.r[5] = block[5];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414 _kernel_swi(Wimp_SetCaretPosition, &regs,&regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415 } else
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
417 regs.r[0] = this->hidden->window_handle;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
418 regs.r[1] = 0x4b534154; /* "TASK" */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
419 regs.r[2] = 3; /* Redraw title */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
420 _kernel_swi(Wimp_ForceRedraw, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
421 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
422 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
423
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
424 void WIMP_RefreshDesktop(_THIS)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
425 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
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426 int width = this->hidden->screen_width << this->hidden->xeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
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427 int height = this->hidden->screen_height << this->hidden->yeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
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428 _kernel_swi_regs regs;
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Sam Lantinga <slouken@libsdl.org>
parents:
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429 regs.r[0] = -1; /* Whole screen */
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Sam Lantinga <slouken@libsdl.org>
parents:
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430 regs.r[1] = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
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431 regs.r[2] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
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432 regs.r[3] = width;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
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433 regs.r[4] = height;
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Sam Lantinga <slouken@libsdl.org>
parents:
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434 _kernel_swi(Wimp_ForceRedraw, &regs, &regs);
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Sam Lantinga <slouken@libsdl.org>
parents:
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435 }
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 /* Toggle to window from full screen */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
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438 int WIMP_ToggleFromFullScreen(_THIS)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
439 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
440 int width = this->screen->w;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
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441 int height = this->screen->h;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
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442 int bpp = this->screen->format->BitsPerPixel;
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Sam Lantinga <slouken@libsdl.org>
parents:
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443 char *buffer = NULL;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
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444 char *old_bank[2];
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
445 char *old_alloc_bank;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
446
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
447 /* Ensure flags are OK */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
448 this->screen->flags &= ~(SDL_DOUBLEBUF|SDL_HWSURFACE);
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 if (this->hidden->bank[0] == this->hidden->alloc_bank || riscos_backbuffer == 0)
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 /* Need to create a sprite for the screen and copy the data to it */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
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453 char *data;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
454 buffer = WIMP_CreateBuffer(width, height, bpp);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
455 data = buffer + 60; /* Start of sprite data */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
456 if (bpp == 8) data += 2048; /* 8bpp sprite have palette first */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
457
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
458 if (buffer == NULL) return 0;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
459 SDL_memcpy(data, this->hidden->bank[0], width * height * this->screen->format->BytesPerPixel);
630
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 /* else We've switch to full screen before so we already have a sprite */
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 old_bank[0] = this->hidden->bank[0];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
464 old_bank[1] = this->hidden->bank[1];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
465 old_alloc_bank = this->hidden->alloc_bank;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
466
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
467 if (buffer != NULL) this->hidden->alloc_bank = buffer;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
468
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
469 this->hidden->bank[1] = this->hidden->alloc_bank;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
470 this->hidden->bank[0] = this->hidden->bank[1] + 60; /* Start of sprite data */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
471 if (bpp == 8) this->hidden->bank[0] += 2048; /* 8bpp sprite have palette first */
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 this->hidden->current_bank = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
474 this->screen->pixels = this->hidden->bank[0];
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
475
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
476 RISCOS_RestoreWimpMode();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
477 WIMP_ReadModeInfo(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
478 if (WIMP_SetupWindow(this, this->screen))
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 WIMP_SetDeviceMode(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
481 WIMP_SetupPlotInfo(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
482
1035
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
483 if (riscos_backbuffer == 0) riscos_backbuffer = 1;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
484
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
485 if (buffer && old_alloc_bank) SDL_free(old_alloc_bank);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
486
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
487 return 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
488 } else
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
489 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
490 /* Drop back to full screen mode on failure */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
491 this->hidden->bank[0] = old_bank[0];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
492 this->hidden->bank[1] = old_bank[1];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
493 this->hidden->alloc_bank = old_alloc_bank;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
494 if (buffer) SDL_free(buffer);
630
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 RISCOS_StoreWimpMode();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
497 FULLSCREEN_SetMode(width, height, bpp);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
498 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
499
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
500 return 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
501 }