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annotate src/video/riscos/SDL_wimpvideo.c @ 630:550bccdf04bd

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Added initial support for RISC OS (thanks Peter Naulls!)
author Sam Lantinga <slouken@libsdl.org>
date Thu, 29 May 2003 04:44:13 +0000
parents
children 44d574ed4780
rev   line source
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@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 wimp 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
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50 /* Initialization/Query functions */
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51 SDL_Rect **WIMP_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
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52 SDL_Surface *WIMP_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
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53 int WIMP_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
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54 void WIMP_SetWMCaption(_THIS, const char *title, const char *icon);
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55
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56
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57 extern unsigned char *WIMP_CreateBuffer(int width, int height, int bpp);
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58 extern void WIMP_PumpEvents(_THIS);
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59 extern void WIMP_PlotSprite(_THIS, int x, int y);
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60 extern void WIMP_SetupPlotInfo(_THIS);
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61 extern void WIMP_SetFocus(int win);
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62
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63 /* etc. */
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64 static void WIMP_UpdateRects(_THIS, int numrects, SDL_Rect *rects);
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65
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66 /* RISC OS Wimp handling helpers */
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67 void WIMP_ReadModeInfo(_THIS);
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68 unsigned int WIMP_SetupWindow(_THIS, SDL_Surface *surface);
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69 void WIMP_SetDeviceMode(_THIS);
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70 void WIMP_DeleteWindow(_THIS);
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71
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72 /* FULLSCREEN function required for wimp/fullscreen toggling */
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73 extern int FULLSCREEN_SetMode(int width, int height, int bpp);
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74
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75 /* Currently need to set this up here as it only works if you
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76 start up in a Wimp mode */
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77 extern int RISCOS_ToggleFullScreen(_THIS, int fullscreen);
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78
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79 extern int riscos_backbuffer;
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80 extern int mouseInWindow;
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81 extern int riscos_closeaction;
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82
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83
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84 SDL_Surface *WIMP_SetVideoMode(_THIS, SDL_Surface *current,
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85 int width, int height, int bpp, Uint32 flags)
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86 {
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87 Uint32 Rmask = 0;
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88 Uint32 Gmask = 0;
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89 Uint32 Bmask = 0;
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90 char *buffer = NULL;
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91 int bytesPerPixel = 1;
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92
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93 /* Don't support double buffering in Wimp mode */
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94 flags &= ~SDL_DOUBLEBUF;
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95 flags &= ~SDL_HWSURFACE;
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96
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97 switch(bpp)
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98 {
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99 case 8:
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100 /* Emulated palette using ColourTrans */
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101 flags |= SDL_HWPALETTE;
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102 break;
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103
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104 case 15:
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105 case 16:
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106 Bmask = 0x00007c00;
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107 Gmask = 0x000003e0;
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108 Rmask = 0x0000001f;
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109 bytesPerPixel = 2;
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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 bytesPerPixel = 4;
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117 break;
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118
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119 default:
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120 SDL_SetError("Pixel depth not supported");
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121 return NULL;
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122 break;
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123 }
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124
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125 /* printf("Setting mode %dx%d\n", width, height);*/
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126
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127 /* Allocate the new pixel format for the screen */
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128 if ( ! SDL_ReallocFormat(current, bpp, Rmask, Gmask, Bmask, 0) ) {
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129 SDL_SetError("Couldn't allocate new pixel format for requested mode");
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130 return(NULL);
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131 }
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132
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133 /* Set up the new mode framebuffer */
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134 current->w = width;
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135 this->hidden->height = current->h = height;
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136
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137 if (bpp == 15) bpp = 16;
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138 buffer = WIMP_CreateBuffer(width, height, bpp);
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139 if (buffer == NULL)
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140 {
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141 SDL_SetError("Couldn't create sprite for video memory");
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parents:
diff changeset
142 return (NULL);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143 }
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parents:
diff changeset
144
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 this->hidden->bank[0] = buffer + 60; /* Start of sprite data */
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parents:
diff changeset
146 if (bpp == 8) this->hidden->bank[0] += 2048; /* 8bpp sprite have palette first */
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147
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diff changeset
148 this->hidden->bank[1] = buffer; /* Start of buffer */
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diff changeset
149
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150 /* Remember sprite buffer so it can be freed later */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 if (this->hidden->alloc_bank) free(this->hidden->alloc_bank);
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parents:
diff changeset
152 this->hidden->alloc_bank = buffer;
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parents:
diff changeset
153
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 current->pitch = width * bytesPerPixel;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 if ((current->pitch & 3))
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 /* Sprites are 32bit word aligned */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 current->pitch += (4 - (current->pitch & 3));
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 }
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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 current->flags = flags | SDL_PREALLOC;
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parents:
diff changeset
162
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 WIMP_ReadModeInfo(this);
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diff changeset
164
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 memset(this->hidden->bank[0], 0, height * current->pitch);
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166
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 this->hidden->current_bank = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 current->pixels = this->hidden->bank[0];
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parents:
diff changeset
169
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diff changeset
170
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 if (WIMP_SetupWindow(this, current) == 0)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 {
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diff changeset
173 SDL_SetError("Unable to create window to display surface");
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 return NULL;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 }
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parents:
diff changeset
176
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 /* Reset device functions for the wimp */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178 WIMP_SetDeviceMode(this);
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diff changeset
179
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180 /* Needs to set up plot info after window has been created */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 /* Not sure why, but plots don't work if I do it earlier */
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Sam Lantinga <slouken@libsdl.org>
parents:
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182 WIMP_SetupPlotInfo(this);
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parents:
diff changeset
183
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 /* We're done */
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parents:
diff changeset
185 return(current);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 }
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187
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parents:
diff changeset
188
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
189 void WIMP_ReadModeInfo(_THIS)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 _kernel_swi_regs regs;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 int vars[6];
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parents:
diff changeset
193 int vals[5];
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diff changeset
194
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diff changeset
195 vars[0] = 4; /* XEig */
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diff changeset
196 vars[1] = 5; /* YEig */
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diff changeset
197 vars[2] = 9; /* Log base 2 bpp */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198 vars[3] = 11; /* Screen Width - 1 */
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parents:
diff changeset
199 vars[4] = 12; /* Screen Depth - 1 */
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diff changeset
200 vars[5] = -1; /* Terminate list */
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diff changeset
201
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 regs.r[0] = (int)vars;
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diff changeset
203 regs.r[1] = (int)vals;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 _kernel_swi(OS_ReadVduVariables, &regs, &regs);
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Sam Lantinga <slouken@libsdl.org>
parents:
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205 this->hidden->xeig = vals[0];
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 this->hidden->yeig = vals[1];
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 this->hidden->screen_bpp = 1 << vals[2];
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208 this->hidden->screen_width = vals[3] + 1;
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diff changeset
209 this->hidden->screen_height = vals[4] + 1;
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210 }
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diff changeset
211
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 /* Set device function to call the correct versions for running
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 in a wimp window */
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214
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diff changeset
215 void WIMP_SetDeviceMode(_THIS)
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diff changeset
216 {
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diff changeset
217 if (this->UpdateRects == WIMP_UpdateRects) return; /* Already set up */
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218
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diff changeset
219 this->SetColors = WIMP_SetColors;
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diff changeset
220 this->UpdateRects = WIMP_UpdateRects;
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diff changeset
221
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
222 this->FlipHWSurface = NULL;
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diff changeset
223
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
224 this->SetCaption = WIMP_SetWMCaption;
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diff changeset
225 this->SetIcon = NULL;
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diff changeset
226 this->IconifyWindow = NULL;
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diff changeset
227
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
228 this->ShowWMCursor = WIMP_ShowWMCursor;
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
229 this->WarpWMCursor = WIMP_WarpWMCursor;
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diff changeset
230
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
231 this->ToggleFullScreen = RISCOS_ToggleFullScreen;
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diff changeset
232
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
233 this->PumpEvents = WIMP_PumpEvents;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 }
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parents:
diff changeset
235
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 /* Setup the Window to display the surface */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 unsigned int WIMP_SetupWindow(_THIS, SDL_Surface *surface)
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parents:
diff changeset
238 {
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parents:
diff changeset
239 _kernel_swi_regs regs;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 int window_data[23];
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 int *window_block = window_data+1;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 int x = (this->hidden->screen_width - surface->w) / 2;
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parents:
diff changeset
243 int y = (this->hidden->screen_height - surface->h) / 2;
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parents:
diff changeset
244 int xeig = this->hidden->xeig;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 int yeig = this->hidden->yeig;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 mouseInWindow = 0;
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parents:
diff changeset
248
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 /* Always delete the window and recreate on a change */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 if (this->hidden->window_handle) WIMP_DeleteWindow(this);
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parents:
diff changeset
251
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 /* Setup window co-ordinates */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 window_block[0] = x << xeig;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 window_block[1] = y << yeig;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 window_block[2] = window_block[0] + (surface->w << xeig);
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parents:
diff changeset
256 window_block[3] = window_block[1] + (surface->h << yeig);
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parents:
diff changeset
257
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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 window_block[4] = 0; /* Scroll offsets */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 window_block[5] = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 window_block[6] = -1; /* Open on top of window stack */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 window_block[7] = 0x85040042; /* Window flags */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 if (riscos_closeaction != 0) window_block[7] |= 0x2000000;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 /* TODO: Take into account surface->flags */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 window_block[8] = 0xff070207; /* Window colours */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 window_block[9] = 0x000c0103;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 window_block[10] = 0; /* Work area minimum */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 window_block[11] = -surface->h << yeig;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272 window_block[12] = surface->w << xeig; /* Work area maximum */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 window_block[13] = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 window_block[14] = 0x2700013d; /* Title icon flags */
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parents:
diff changeset
275 window_block[15] = 0x00003000; /* Work area flags - Mouse click down reported */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 window_block[16] = 1; /* Sprite area control block pointer */
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parents:
diff changeset
277 window_block[17] = 0x00100010; /* Minimum window size (width & height) (16x16)*/
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 window_block[18] = (int)this->hidden->title; /* Title data */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 window_block[19] = -1;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 window_block[20] = 256;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 window_block[21] = 0; /* Number of icons */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 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
284
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 /* Create the window */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286 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
287 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 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
289
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290 /* Show the window on the screen */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291 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
292 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
293 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294 WIMP_SetFocus(this->hidden->window_handle);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295 } else
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 WIMP_DeleteWindow(this);
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
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301 return this->hidden->window_handle;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
302 }
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 /* Destroy the Window */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
306 void WIMP_DeleteWindow(_THIS)
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 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309 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
310 _kernel_swi(Wimp_DeleteWindow, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 this->hidden->window_handle = 0;
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
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
315 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
316 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
318 int update_block[12];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
319 int xeig = this->hidden->xeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 int yeig = this->hidden->yeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 int j;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
322 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
323
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324 for (j = 0; j < numrects; j++)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326 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
327 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
328 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
329 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
330
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 regs.r[1] = (int)update_block;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332 /* 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
333 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
334 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 while (regs.r[0])
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 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
338 _kernel_swi(Wimp_GetRectangle, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 }
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 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343
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 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
346 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
347 unsigned int *pal = (unsigned int *)(this->hidden->bank[1]+60);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
348 int j;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
349 SDL_Rect update;
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 pal += firstcolor*2;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 for (j = 0; j < ncolors; j++)
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 *pal = (((unsigned int)colors->r) << 8)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355 + (((unsigned int)colors->g) << 16)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356 + (((unsigned int)colors->b) << 24);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357 pal[1] = *pal;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 pal += 2;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359 colors++;
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
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
362 WIMP_SetupPlotInfo(this);
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 /* Need to refresh the window */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365 update.x = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
366 update.y = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367 update.w = SDL_VideoSurface->w;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
368 update.h = SDL_VideoSurface->h;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369 WIMP_UpdateRects(this, 1, &update);
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 return 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
372 }
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 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
375 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
376 _kernel_swi_regs regs;
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 strncpy(this->hidden->title, title, 255);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379 this->hidden->title[255] = 0;
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 if (RISCOS_GetWimpVersion() < 380)
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 int block[6];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385 regs.r[1] = (int)block;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386 _kernel_swi(Wimp_GetCaretPosition, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387 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
388 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389 regs.r[0] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
390 _kernel_swi(Wimp_SetCaretPosition, &regs,&regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391 } else
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393 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
394 regs.r[1] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 regs.r[2] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396 regs.r[3] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397 _kernel_swi(Wimp_SetCaretPosition, &regs,&regs);
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 regs.r[0] = block[0];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400 regs.r[1] = block[1];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 regs.r[2] = block[2];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402 regs.r[3] = block[3];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
403 regs.r[4] = block[4];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 regs.r[5] = block[5];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405 _kernel_swi(Wimp_SetCaretPosition, &regs,&regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
406 } else
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] = this->hidden->window_handle;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
409 regs.r[1] = 0x4b534154; /* "TASK" */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
410 regs.r[2] = 3; /* Redraw title */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
411 _kernel_swi(Wimp_ForceRedraw, &regs, &regs);
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 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415 void WIMP_RefreshDesktop(_THIS)
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 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:
diff changeset
418 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:
diff changeset
419 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
420 regs.r[0] = -1; /* Whole screen */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
421 regs.r[1] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
422 regs.r[2] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
423 regs.r[3] = width;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
424 regs.r[4] = height;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
425 _kernel_swi(Wimp_ForceRedraw, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
426 }
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 /* Toggle to window from full screen */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
429 int WIMP_ToggleFromFullScreen(_THIS)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
430 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
431 int width = this->screen->w;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
432 int height = this->screen->h;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
433 int bpp = this->screen->format->BitsPerPixel;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
434 char *buffer = NULL;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
435 char *old_bank[2];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
436 char *old_alloc_bank;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
437
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
438 /* Ensure flags are OK */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
439 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
440
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
441 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
442 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
443 /* 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:
diff changeset
444 char *data;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
445 buffer = WIMP_CreateBuffer(width, height, bpp);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
446 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
447 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
448
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
449 if (buffer == NULL) return 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
450 memcpy(data, this->hidden->bank[0], width * height * this->screen->format->BytesPerPixel);
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 /* 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
453
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
454 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
455 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
456 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
457
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
458 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
459
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
460 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
461 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
462 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
463
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
464 this->hidden->current_bank = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
465 this->screen->pixels = this->hidden->bank[0];
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 RISCOS_RestoreWimpMode();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
468 WIMP_ReadModeInfo(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
469 if (WIMP_SetupWindow(this, this->screen))
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
470 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
471 WIMP_SetDeviceMode(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
472 WIMP_SetupPlotInfo(this);
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 riscos_backbuffer = 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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 if (buffer && old_alloc_bank) free(old_alloc_bank);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
477
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
478 return 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
479 } else
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 /* 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
482 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
483 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
484 this->hidden->alloc_bank = old_alloc_bank;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
485 if (buffer) free(buffer);
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 RISCOS_StoreWimpMode();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
488 FULLSCREEN_SetMode(width, height, bpp);
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
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
491 return 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
492 }