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annotate src/video/riscos/SDL_riscosFullScreenVideo.c @ 1400:5abff0870de2

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Date: Mon, 20 Feb 2006 19:54:51 -0500 From: Brian Barnes Subject: [SDL] Fix for FSAA OS X bug -- Please fix in CVS Code I stopped complaining and went in an fixed the bug myself :) SDL always dies if you try to use FSAA on Mac OS X, the problem is in the file: SDL_QuartzGL.m
author Sam Lantinga <slouken@libsdl.org>
date Tue, 21 Feb 2006 02:42:05 +0000
parents c0a74f199ecf
children d910939febfa
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 /*
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24 File added by Alan Buckley (alan_baa@hotmail.com) for RISC OS compatability
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25 27 March 2003
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26
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27 Implements RISC OS full screen display.
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28 */
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29
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30 #include "SDL_video.h"
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31 #include "SDL_mouse.h"
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32 #include "../SDL_sysvideo.h"
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33 #include "../SDL_pixels_c.h"
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34 #include "../../events/SDL_events_c.h"
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35
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36 #include "SDL_riscostask.h"
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37 #include "SDL_riscosvideo.h"
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38 #include "SDL_riscosevents_c.h"
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39 #include "SDL_riscosmouse_c.h"
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40
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41 #include "kernel.h"
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42 #include "swis.h"
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43 #include "unixlib/os.h"
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44 #include "unixlib/local.h"
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45
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46 /* Private structures */
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47 typedef struct tagScreenModeBlock
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48 {
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49 int flags; // mode selector flags, bit 0 = 1, bit 1-7 format specifier, 8-31 reserved
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50 int x_pixels;
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51 int y_pixels;
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52 int pixel_depth; // 2^pixel_depth = bpp,i.e. 0 = 1, 1 = 2, 4 = 16, 5 = 32
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53 int frame_rate; // -1 use first match
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54 int mode_vars[5]; // array of index, value pairs terminated by -1
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55 } SCREENMODEBLOCK;
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56
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57
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58 /* Helper functions */
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59 void FULLSCREEN_SetDeviceMode(_THIS);
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60 int FULLSCREEN_SetMode(int width, int height, int bpp);
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61 void FULLSCREEN_SetupBanks(_THIS);
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62
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63 /* SDL video device functions for fullscreen mode */
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64 static int FULLSCREEN_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
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65 static int FULLSCREEN_FlipHWSurface(_THIS, SDL_Surface *surface);
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66 void FULLSCREEN_SetWMCaption(_THIS, const char *title, const char *icon);
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67 extern int RISCOS_GetWmInfo(_THIS, SDL_SysWMinfo *info);
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68
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69 /* UpdateRects variants */
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70 static void FULLSCREEN_UpdateRects(_THIS, int numrects, SDL_Rect *rects);
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71 static void FULLSCREEN_UpdateRectsMemCpy(_THIS, int numrects, SDL_Rect *rects);
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72 static void FULLSCREEN_UpdateRects8bpp(_THIS, int numrects, SDL_Rect *rects);
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73 static void FULLSCREEN_UpdateRects16bpp(_THIS, int numrects, SDL_Rect *rects);
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74 static void FULLSCREEN_UpdateRects32bpp(_THIS, int numrects, SDL_Rect *rects);
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75 static void FULLSCREEN_UpdateRectsOS(_THIS, int numrects, SDL_Rect *rects);
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76
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77 /* Local helper functions */
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78 static int cmpmodes(const void *va, const void *vb);
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79 static int FULLSCREEN_AddMode(_THIS, int bpp, int w, int h);
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80 void FULLSCREEN_SetWriteBank(int bank);
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81 void FULLSCREEN_SetDisplayBank(int bank);
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82 static void FULLSCREEN_DisableEscape();
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83 static void FULLSCREEN_EnableEscape();
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84 void FULLSCREEN_BuildModeList(_THIS);
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85
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86 /* Following variable is set up in riskosTask.c */
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87 extern int riscos_backbuffer; /* Create a back buffer in system memory for full screen mode */
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88
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89 /* Following is used to create a sprite back buffer */
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90 extern unsigned char *WIMP_CreateBuffer(int width, int height, int bpp);
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91
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92 /* Fast assembler copy */
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93 extern void RISCOS_Put32(void *to, int pixels, int pitch, int rows, void *from, int src_skip_bytes);
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94
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95 SDL_Surface *FULLSCREEN_SetVideoMode(_THIS, SDL_Surface *current,
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96 int width, int height, int bpp, Uint32 flags)
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97 {
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98 _kernel_swi_regs regs;
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99 Uint32 Rmask = 0;
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100 Uint32 Gmask = 0;
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101 Uint32 Bmask = 0;
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102 int create_back_buffer = riscos_backbuffer;
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103
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104 switch(bpp)
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105 {
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106 case 8:
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107 flags |= SDL_HWPALETTE;
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108 break;
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109
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110 case 15:
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111 case 16:
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112 Bmask = 0x00007c00;
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113 Gmask = 0x000003e0;
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114 Rmask = 0x0000001f;
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115 break;
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116
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117 case 32:
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118 Bmask = 0x00ff0000;
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119 Gmask = 0x0000ff00;
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120 Rmask = 0x000000ff;
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121 break;
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122
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123 default:
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124 SDL_SetError("Pixel depth not supported");
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125 return NULL;
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126 break;
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127 }
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128
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129 if (FULLSCREEN_SetMode(width, height, bpp) == 0)
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130 {
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131 SDL_SetError("Couldn't set requested mode");
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132 return (NULL);
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133 }
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134
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parents:
diff changeset
135 /* printf("Setting mode %dx%d\n", width, height); */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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diff changeset
136
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
137 /* Allocate the new pixel format for the screen */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
138 if ( ! SDL_ReallocFormat(current, bpp, Rmask, Gmask, Bmask, 0) ) {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
139 RISCOS_RestoreWimpMode();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
140 SDL_SetError("Couldn't allocate new pixel format for requested mode");
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
141 return(NULL);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
142 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144 /* Set up the new mode framebuffer */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 current->w = width;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 this->hidden->height = current->h = height;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148 regs.r[0] = -1; /* -1 for current screen mode */
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149
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150 /* Get screen width in bytes */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 regs.r[1] = 6; // Screen Width in bytes
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 _kernel_swi(OS_ReadModeVariable, &regs, &regs);
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153
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 current->pitch = regs.r[2];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 if (flags & SDL_DOUBLEBUF)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 regs.r[0] = 2; /* Screen area */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 _kernel_swi(OS_ReadDynamicArea, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
160
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 /* Reg 1 has amount of memory currently used for display */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162 regs.r[0] = 2; /* Screen area */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 regs.r[1] = (current->pitch * height * 2) - regs.r[1];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
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164 if (_kernel_swi(OS_ChangeDynamicArea, &regs, &regs) != NULL)
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
165 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 /* Can't allocate enough screen memory for double buffer */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 flags &= ~SDL_DOUBLEBUF;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 current->flags = flags | SDL_FULLSCREEN | SDL_HWSURFACE | SDL_PREALLOC;
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172
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 /* Need to set display banks here for double buffering */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 if (flags & SDL_DOUBLEBUF)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 FULLSCREEN_SetWriteBank(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178 FULLSCREEN_SetDisplayBank(1);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180 create_back_buffer = 0; /* Don't need a back buffer for a double buffered display */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183 FULLSCREEN_SetupBanks(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 if (create_back_buffer)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187 /* If not double buffered we may need to create a memory
1035
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188 ** back buffer to simulate processing on other OSes.
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 ** This is turned on by setting the enviromental variable
1035
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190 ** SDL$<name>$BackBuffer >= 1
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
191 */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
192 if (riscos_backbuffer == 3)
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
193 this->hidden->bank[0] = WIMP_CreateBuffer(width, height, bpp);
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
194 else
1336
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diff changeset
195 this->hidden->bank[0] = SDL_malloc(height * current->pitch);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 if (this->hidden->bank[0] == 0)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198 RISCOS_RestoreWimpMode();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 SDL_SetError("Couldnt allocate memory for back buffer");
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200 return (NULL);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 /* Surface updated in programs is now a software surface */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203 current->flags &= ~SDL_HWSURFACE;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205
1035
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diff changeset
206 /* Store address of allocated screen bank to be freed later */
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
207 if (this->hidden->alloc_bank) SDL_free(this->hidden->alloc_bank);
1035
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Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
208 if (create_back_buffer)
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
209 {
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
210 this->hidden->alloc_bank = this->hidden->bank[0];
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
211 if (riscos_backbuffer == 3)
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
212 {
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
213 this->hidden->bank[0] += 60; /* Start of sprite data */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
214 if (bpp == 8) this->hidden->bank[0] += 2048; /* 8bpp sprite have palette first */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
215 }
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
216 } else
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
217 this->hidden->alloc_bank = 0;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218
1035
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Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
219 // Clear both banks to black
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
220 SDL_memset(this->hidden->bank[0], 0, height * current->pitch);
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
221 SDL_memset(this->hidden->bank[1], 0, height * current->pitch);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223 this->hidden->current_bank = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224 current->pixels = this->hidden->bank[0];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225
1035
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Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
226 /* Have to set the screen here, so SetDeviceMode will pick it up */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
227 this->screen = current;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
228
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229 /* Reset device functions for the wimp */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 FULLSCREEN_SetDeviceMode(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232 /* FULLSCREEN_DisableEscape(); */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 /* We're done */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 return(current);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 /* Reset any device functions that have been changed because we have run in WIMP mode */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 void FULLSCREEN_SetDeviceMode(_THIS)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 {
1035
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Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
241 /* Update rects is different if we have a backbuffer */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
242
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
243 if (riscos_backbuffer && (this->screen->flags & SDL_DOUBLEBUF) == 0)
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
244 {
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
245 switch(riscos_backbuffer)
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
246 {
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
247 case 2: /* ARM code full word copy */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
248 switch(this->screen->format->BytesPerPixel)
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
249 {
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
250 case 1: /* 8bpp modes */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
251 this->UpdateRects = FULLSCREEN_UpdateRects8bpp;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
252 break;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
253 case 2: /* 15/16bpp modes */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
254 this->UpdateRects = FULLSCREEN_UpdateRects16bpp;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
255 break;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
256 case 4: /* 32 bpp modes */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
257 this->UpdateRects = FULLSCREEN_UpdateRects32bpp;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
258 break;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
259
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
260 default: /* Just default to the memcpy routine */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
261 this->UpdateRects = FULLSCREEN_UpdateRectsMemCpy;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
262 break;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
263 }
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
264 break;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
265
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
266 case 3: /* Use OS sprite plot routine */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
267 this->UpdateRects = FULLSCREEN_UpdateRectsOS;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
268 break;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
269
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
270 default: /* Old but safe memcpy */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
271 this->UpdateRects = FULLSCREEN_UpdateRectsMemCpy;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
272 break;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
273 }
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
274 } else
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
275 this->UpdateRects = FULLSCREEN_UpdateRects; /* Default do nothing implementation */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
276
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277 this->SetColors = FULLSCREEN_SetColors;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 this->FlipHWSurface = FULLSCREEN_FlipHWSurface;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 this->SetCaption = FULLSCREEN_SetWMCaption;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282 this->SetIcon = NULL;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 this->IconifyWindow = NULL;
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 this->ShowWMCursor = RISCOS_ShowWMCursor;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286 this->WarpWMCursor = FULLSCREEN_WarpWMCursor;
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->PumpEvents = FULLSCREEN_PumpEvents;
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
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291 /* Query for the list of available video modes */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292 void FULLSCREEN_BuildModeList(_THIS)
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 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295 char *enumInfo = NULL;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
296 char *enum_ptr;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
297 int *blockInfo;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
298 int j;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
299 int num_modes;
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 /* Find out how much space we need */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
302 regs.r[0] = 2; /* Reason code */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 regs.r[2] = 0; /* Number of modes to skip */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
304 regs.r[6] = 0; /* pointer to block or 0 for count */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305 regs.r[7] = 0; /* Size of block in bytes */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
306 _kernel_swi(OS_ScreenMode, &regs, &regs);
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 num_modes = -regs.r[2];
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 /* Video memory should be in r[5] */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 this->info.video_mem = regs.r[5]/1024;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
313 enumInfo = (unsigned char *)SDL_malloc(-regs.r[7]);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
314 if (enumInfo == NULL)
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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 SDL_OutOfMemory();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 return;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
318 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
319 /* Read mode information into block */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 regs.r[2] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 regs.r[6] = (int)enumInfo;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
322 regs.r[7] = -regs.r[7];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
323 _kernel_swi(OS_ScreenMode, &regs, &regs);
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 enum_ptr = enumInfo;
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 for (j =0; j < num_modes;j++)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
328 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329 blockInfo = (int *)enum_ptr;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 if ((blockInfo[1] & 255) == 1) /* We understand this format */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332 switch(blockInfo[4])
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 case 3: /* 8 bits per pixel */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 FULLSCREEN_AddMode(this, 8, blockInfo[2], blockInfo[3]);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 case 4: /* 15 bits per pixel */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 FULLSCREEN_AddMode(this, 15, blockInfo[2], blockInfo[3]);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 case 5: /* 32 bits per pixel */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 FULLSCREEN_AddMode(this, 32, blockInfo[2], blockInfo[3]);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 break;
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
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
346 enum_ptr += blockInfo[0];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
347 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
348
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
349 SDL_free(enumInfo);
630
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 /* Sort the mode lists */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 for ( j=0; j<NUM_MODELISTS; ++j ) {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353 if ( SDL_nummodes[j] > 0 ) {
1338
604d73db6802 Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents: 1336
diff changeset
354 SDL_qsort(SDL_modelist[j], SDL_nummodes[j], sizeof *SDL_modelist[j], cmpmodes);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355 }
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 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359 static int FULLSCREEN_FlipHWSurface(_THIS, SDL_Surface *surface)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
361 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
362 regs.r[0] = 19;
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 FULLSCREEN_SetDisplayBank(this->hidden->current_bank);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365 this->hidden->current_bank ^= 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
366 FULLSCREEN_SetWriteBank(this->hidden->current_bank);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367 surface->pixels = this->hidden->bank[this->hidden->current_bank];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
368
1208
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
369 /* Wait for Vsync */
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
370 _kernel_swi(OS_Byte, &regs, &regs);
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
371
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
372 return(0);
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
1035
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
375 /* Nothing to do if we are writing direct to hardware */
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
376 static void FULLSCREEN_UpdateRects(_THIS, int numrects, SDL_Rect *rects)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
377 {
1035
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
378 }
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
379
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
380 /* Safe but slower Memory copy from our allocated back buffer */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
381 static void FULLSCREEN_UpdateRectsMemCpy(_THIS, int numrects, SDL_Rect *rects)
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
382 {
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383 int j;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384 char *to, *from;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385 int pitch = this->screen->pitch;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386 int row;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387 int xmult = this->screen->format->BytesPerPixel;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
388 for (j = 0; j < numrects; j++)
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 from = this->hidden->bank[0] + rects->x * xmult + rects->y * pitch;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391 to = this->hidden->bank[1] + rects->x * xmult + rects->y * pitch;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392 for (row = 0; row < rects->h; row++)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393 {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
394 SDL_memcpy(to, from, rects->w * xmult);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 from += pitch;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396 to += pitch;
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 rects++;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399 }
1035
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
400 }
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
401
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
402 /* Use optimized assembler memory copy. Deliberately copies extra columns if
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
403 necessary to ensure the rectangle is word aligned. */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
404 static void FULLSCREEN_UpdateRects8bpp(_THIS, int numrects, SDL_Rect *rects)
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
405 {
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
406 int j;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
407 char *to, *from;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
408 int pitch = this->screen->pitch;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
409 int width_bytes;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
410 int src_skip_bytes;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
411
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
412 for (j = 0; j < numrects; j++)
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
413 {
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
414 from = this->hidden->bank[0] + rects->x + rects->y * pitch;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
415 to = this->hidden->bank[1] + rects->x + rects->y * pitch;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
416 width_bytes = rects->w;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
417 if ((int)from & 3)
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
418 {
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
419 int extra = ((int)from & 3);
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
420 from -= extra;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
421 to -= extra;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
422 width_bytes += extra;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
423 }
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
424 if (width_bytes & 3) width_bytes += 4 - (width_bytes & 3);
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
425 src_skip_bytes = pitch - width_bytes;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
426
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
427 RISCOS_Put32(to, (width_bytes >> 2), pitch, (int)rects->h, from, src_skip_bytes);
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
428 rects++;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
429 }
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
430 }
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
431
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
432 /* Use optimized assembler memory copy. Deliberately copies extra columns if
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
433 necessary to ensure the rectangle is word aligned. */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
434 static void FULLSCREEN_UpdateRects16bpp(_THIS, int numrects, SDL_Rect *rects)
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
435 {
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
436 int j;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
437 char *to, *from;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
438 int pitch = this->screen->pitch;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
439 int width_bytes;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
440 int src_skip_bytes;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
441
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
442 for (j = 0; j < numrects; j++)
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
443 {
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
444 from = this->hidden->bank[0] + (rects->x << 1) + rects->y * pitch;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
445 to = this->hidden->bank[1] + (rects->x << 1) + rects->y * pitch;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
446 width_bytes = (((int)rects->w) << 1);
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
447 if ((int)from & 3)
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
448 {
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
449 from -= 2;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
450 to -= 2;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
451 width_bytes += 2;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
452 }
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
453 if (width_bytes & 3) width_bytes += 2;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
454 src_skip_bytes = pitch - width_bytes;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
455
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
456 RISCOS_Put32(to, (width_bytes >> 2), pitch, (int)rects->h, from, src_skip_bytes);
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
457 rects++;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
458 }
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
1035
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
461 /* Use optimized assembler memory copy. 32 bpp modes are always word aligned */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
462 static void FULLSCREEN_UpdateRects32bpp(_THIS, int numrects, SDL_Rect *rects)
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
463 {
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
464 int j;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
465 char *to, *from;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
466 int pitch = this->screen->pitch;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
467 int width;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
468
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
469 for (j = 0; j < numrects; j++)
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
470 {
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
471 from = this->hidden->bank[0] + (rects->x << 2) + rects->y * pitch;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
472 to = this->hidden->bank[1] + (rects->x << 2) + rects->y * pitch;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
473 width = (int)rects->w ;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
474
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
475 RISCOS_Put32(to, width, pitch, (int)rects->h, from, pitch - (width << 2));
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
476 rects++;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
477 }
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
478 }
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
479
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
480 /* Use operating system sprite plots. Currently this is much slower than the
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
481 other variants however accelerated sprite plotting can be seen on the horizon
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
482 so this prepares for it. */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
483 static void FULLSCREEN_UpdateRectsOS(_THIS, int numrects, SDL_Rect *rects)
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
484 {
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
485 _kernel_swi_regs regs;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
486 _kernel_oserror *err;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
487 int j;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
488 int y;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
489
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
490 regs.r[0] = 28 + 512;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
491 regs.r[1] = (unsigned int)this->hidden->alloc_bank;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
492 regs.r[2] = (unsigned int)this->hidden->alloc_bank+16;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
493 regs.r[5] = 0;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
494
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
495 for (j = 0; j < numrects; j++)
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
496 {
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
497 y = this->screen->h - rects->y; /* top of clipping region */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
498 _kernel_oswrch(24); /* Set graphics clip region */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
499 _kernel_oswrch((rects->x << this->hidden->xeig) & 0xFF); /* left */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
500 _kernel_oswrch(((rects->x << this->hidden->xeig) >> 8) & 0xFF);
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
501 _kernel_oswrch(((y - rects->h) << this->hidden->yeig) & 0xFF); /* bottom */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
502 _kernel_oswrch((((y - rects->h) << this->hidden->yeig)>> 8) & 0xFF);
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
503 _kernel_oswrch(((rects->x + rects->w - 1) << this->hidden->xeig) & 0xFF); /* right */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
504 _kernel_oswrch((((rects->x + rects->w - 1)<< this->hidden->xeig) >> 8) & 0xFF);
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
505 _kernel_oswrch(((y-1) << this->hidden->yeig) & 0xFF); /* top */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
506 _kernel_oswrch((((y-1) << this->hidden->yeig) >> 8) & 0xFF);
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
507
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
508 regs.r[3] = 0;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
509 regs.r[4] = 0;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
510
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
511 if ((err = _kernel_swi(OS_SpriteOp, &regs, &regs)) != 0)
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
512 {
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
513 printf("OS_SpriteOp failed \n%s\n",err->errmess);
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
514 }
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
515
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
516 rects++;
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
517
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
518 /* Reset to full screen clipping */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
519 _kernel_oswrch(24); /* Set graphics clip region */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
520 _kernel_oswrch(0); /* left */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
521 _kernel_oswrch(0);
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
522 _kernel_oswrch(0); /* bottom */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
523 _kernel_oswrch(0);
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
524 _kernel_oswrch(((this->screen->w-1) << this->hidden->xeig) & 0xFF); /* right */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
525 _kernel_oswrch((((this->screen->w-1) << this->hidden->xeig) >> 8) & 0xFF);
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
526 _kernel_oswrch(((this->screen->h-1) << this->hidden->yeig) & 0xFF); /* top */
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
527 _kernel_oswrch((((this->screen->h-1) << this->hidden->yeig) >> 8) & 0xFF);
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
528 }
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
529 }
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
530
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
531
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
532 int FULLSCREEN_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
533 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
534 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
535 int palette[256];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
536
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
537 regs.r[0] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
538 regs.r[1] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
539 regs.r[2] = (int)palette;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
540 regs.r[3] = 1024;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
541 regs.r[4] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
542 _kernel_swi(ColourTrans_ReadPalette, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
543
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
544 while(ncolors--)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
545 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
546 palette[firstcolor] = ((colors->b) << 24) | ((colors->g) << 16) | ((colors->r) << 8);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
547 firstcolor++;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
548 colors++;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
549 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
550
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
551 regs.r[0] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
552 regs.r[1] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
553 regs.r[2] = (int)palette;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
554 regs.r[3] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
555 regs.r[4] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
556 _kernel_swi(ColourTrans_WritePalette, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
557
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
558 return(1);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
559 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
560
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
561
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
562 static int cmpmodes(const void *va, const void *vb)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
563 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
564 SDL_Rect *a = *(SDL_Rect **)va;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
565 SDL_Rect *b = *(SDL_Rect **)vb;
966
f72cc0c7305f Video modes are sorted width first, then height
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
566 if(a->w == b->w)
f72cc0c7305f Video modes are sorted width first, then height
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
567 return b->h - a->h;
f72cc0c7305f Video modes are sorted width first, then height
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
568 else
f72cc0c7305f Video modes are sorted width first, then height
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
569 return b->w - a->w;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
570 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
571
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
572 static int FULLSCREEN_AddMode(_THIS, int bpp, int w, int h)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
573 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
574 SDL_Rect *mode;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
575 int i, index;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
576 int next_mode;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
577
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
578 /* Check to see if we already have this mode */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
579 if ( bpp < 8 ) { /* Not supported */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
580 return(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
581 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
582 index = ((bpp+7)/8)-1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
583 for ( i=0; i<SDL_nummodes[index]; ++i ) {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
584 mode = SDL_modelist[index][i];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
585 if ( (mode->w == w) && (mode->h == h) ) {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
586 return(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
587 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
588 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
589
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
590 /* Set up the new video mode rectangle */
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
591 mode = (SDL_Rect *)SDL_malloc(sizeof *mode);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
592 if ( mode == NULL ) {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
593 SDL_OutOfMemory();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
594 return(-1);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
595 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
596 mode->x = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
597 mode->y = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
598 mode->w = w;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
599 mode->h = h;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
600
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
601 /* Allocate the new list of modes, and fill in the new mode */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
602 next_mode = SDL_nummodes[index];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
603 SDL_modelist[index] = (SDL_Rect **)
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
604 SDL_realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *));
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
605 if ( SDL_modelist[index] == NULL ) {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
606 SDL_OutOfMemory();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
607 SDL_nummodes[index] = 0;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
608 SDL_free(mode);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
609 return(-1);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
610 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
611 SDL_modelist[index][next_mode] = mode;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
612 SDL_modelist[index][next_mode+1] = NULL;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
613 SDL_nummodes[index]++;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
614
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
615 return(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
616 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
617
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
618 void FULLSCREEN_SetWriteBank(int bank)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
619 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
620 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
621 regs.r[0] = 112;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
622 regs.r[1] = bank+1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
623 _kernel_swi(OS_Byte, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
624 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
625
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
626 void FULLSCREEN_SetDisplayBank(int bank)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
627 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
628 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
629 regs.r[0] = 113;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
630 regs.r[1] = bank+1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
631 _kernel_swi(OS_Byte, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
632 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
633
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
634
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
635 /** Disable special escape key processing */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
636 static void FULLSCREEN_DisableEscape()
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
637 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
638 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
639 regs.r[0] = 229;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
640 regs.r[1] = 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
641 regs.r[2] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
642 _kernel_swi(OS_Byte, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
643
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
644 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
645
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
646 /** Enable special escape key processing */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
647 static void FULLSCREEN_EnableEscape()
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
648 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
649 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
650 regs.r[0] = 229;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
651 regs.r[1] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
652 regs.r[2] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
653 _kernel_swi(OS_Byte, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
654
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
655 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
656
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
657 /** Store caption in case this is called before we create a window */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
658 void FULLSCREEN_SetWMCaption(_THIS, const char *title, const char *icon)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
659 {
1379
c0a74f199ecf Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
660 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
661 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
662
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
663 /* Set screen mode
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
664 *
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
665 * Returns 1 if mode is set ok, otherwise 0
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
666 */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
667
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
668 int FULLSCREEN_SetMode(int width, int height, int bpp)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
669 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
670 SCREENMODEBLOCK smb;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
671 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
672
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
673 smb.flags = 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
674 smb.x_pixels = width;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
675 smb.y_pixels = height;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
676 smb.mode_vars[0] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
677
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
678 switch(bpp)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
679 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
680 case 8:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
681 smb.pixel_depth = 3;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
682 /* Note: Need to set ModeFlags to 128 and NColour variables to 255 get full 8 bit palette */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
683 smb.mode_vars[0] = 0; smb.mode_vars[1] = 128; /* Mode flags */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
684 smb.mode_vars[2] = 3; smb.mode_vars[3] = 255; /* NColour (number of colours -1) */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
685 smb.mode_vars[4] = -1; /* End of list */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
686 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
687
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
688 case 15:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
689 case 16:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
690 smb.pixel_depth = 4;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
691 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
692
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
693 case 32:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
694 smb.pixel_depth = 5;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
695 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
696
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
697 default:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
698 SDL_SetError("Pixel depth not supported");
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
699 return 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
700 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
701 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
702
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
703 smb.frame_rate = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
704
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
705 regs.r[0] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
706 regs.r[1] = (int)&smb;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
707
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
708 if (_kernel_swi(OS_ScreenMode, &regs, &regs) != 0)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
709 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
710 SDL_SetError("Couldn't set requested mode");
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
711 return 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
712 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
713
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
714 /* Turn cursor off*/
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
715 _kernel_oswrch(23);_kernel_oswrch(1);_kernel_oswrch(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
716 _kernel_oswrch(0);_kernel_oswrch(0);_kernel_oswrch(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
717 _kernel_oswrch(0);_kernel_oswrch(0);_kernel_oswrch(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
718 _kernel_oswrch(0);_kernel_oswrch(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
719
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
720 return 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
721 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
722
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
723 /* Get Start addresses for the screen banks */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
724 void FULLSCREEN_SetupBanks(_THIS)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
725 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
726 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
727 int block[5];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
728 block[0] = 148; /* Write screen start */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
729 block[1] = 149; /* Display screen start */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
730 block[2] = 4; /* X eig factor */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
731 block[3] = 5; /* Y eig factor */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
732 block[4] = -1; /* End of list of variables to request */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
733
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
734 regs.r[0] = (int)block;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
735 regs.r[1] = (int)block;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
736 _kernel_swi(OS_ReadVduVariables, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
737
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
738 this->hidden->bank[0] = (void *)block[0];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
739 this->hidden->bank[1] = (void *)block[1];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
740 this->hidden->xeig = block[2];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
741 this->hidden->yeig = block[3];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
742 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
743
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
744 /* Toggle to full screen mode from the WIMP */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
745
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
746 int FULLSCREEN_ToggleFromWimp(_THIS)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
747 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
748 int width = this->screen->w;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
749 int height = this->screen->h;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
750 int bpp = this->screen->format->BitsPerPixel;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
751
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
752 RISCOS_StoreWimpMode();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
753 if (FULLSCREEN_SetMode(width, height, bpp))
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
754 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
755 char *buffer = this->hidden->alloc_bank; /* This is start of sprite data */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
756 /* Support back buffer mode only */
1035
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 966
diff changeset
757 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
758
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
759 FULLSCREEN_SetupBanks(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
760
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
761 this->hidden->bank[0] = buffer + 60; /* Start of sprite data */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
762 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
763
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
764 this->hidden->current_bank = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
765 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
766
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
767 /* Copy back buffer to screen memory */
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
768 SDL_memcpy(this->hidden->bank[1], 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
769
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
770 FULLSCREEN_SetDeviceMode(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
771 return 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
772 } else
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
773 RISCOS_RestoreWimpMode();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
774
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
775 return 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
776 }