annotate src/video/fbcon/SDL_fbvideo.c @ 1811:e6de7e5fd451

Fixed bug #226 Just to make it compile with old CodeWarrior.
author Sam Lantinga <slouken@libsdl.org>
date Thu, 11 May 2006 03:21:54 +0000
parents 49b4b8413734
children 6987e947c77a
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 /* Framebuffer console based SDL video driver implementation.
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25 */
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26
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27 #include <stdio.h>
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28 #include <fcntl.h>
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29 #include <unistd.h>
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30 #include <sys/ioctl.h>
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31 #include <sys/mman.h>
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32 #include <asm/page.h> /* For definition of PAGE_SIZE */
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33 #include <linux/vt.h>
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34
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35 #include "SDL_video.h"
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36 #include "SDL_mouse.h"
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37 #include "../SDL_sysvideo.h"
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38 #include "../SDL_pixels_c.h"
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39 #include "../../events/SDL_events_c.h"
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40 #include "SDL_fbvideo.h"
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41 #include "SDL_fbmouse_c.h"
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42 #include "SDL_fbevents_c.h"
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43 #include "SDL_fb3dfx.h"
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44 #include "SDL_fbmatrox.h"
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45 #include "SDL_fbriva.h"
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46
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47 /*#define FBCON_DEBUG*/
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48
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49 #if defined(i386) && defined(FB_TYPE_VGA_PLANES)
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50 #define VGA16_FBCON_SUPPORT
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51 #include <sys/io.h> /* For ioperm() */
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52 #ifndef FB_AUX_VGA_PLANES_VGA4
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53 #define FB_AUX_VGA_PLANES_VGA4 0
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54 #endif
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55 /*
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56 static inline void outb (unsigned char value, unsigned short port)
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57 {
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58 __asm__ __volatile__ ("outb %b0,%w1"::"a" (value), "Nd" (port));
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59 }
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60 */
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61 #endif /* FB_TYPE_VGA_PLANES */
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62
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63 /* A list of video resolutions that we query for (sorted largest to smallest) */
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64 static const SDL_Rect checkres[] = {
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65 { 0, 0, 1600, 1200 }, /* 16 bpp: 0x11E, or 286 */
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66 { 0, 0, 1408, 1056 }, /* 16 bpp: 0x19A, or 410 */
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67 { 0, 0, 1280, 1024 }, /* 16 bpp: 0x11A, or 282 */
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68 { 0, 0, 1152, 864 }, /* 16 bpp: 0x192, or 402 */
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69 { 0, 0, 1024, 768 }, /* 16 bpp: 0x117, or 279 */
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70 { 0, 0, 960, 720 }, /* 16 bpp: 0x18A, or 394 */
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71 { 0, 0, 800, 600 }, /* 16 bpp: 0x114, or 276 */
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72 { 0, 0, 768, 576 }, /* 16 bpp: 0x182, or 386 */
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73 { 0, 0, 720, 576 }, /* PAL */
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74 { 0, 0, 720, 480 }, /* NTSC */
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75 { 0, 0, 640, 480 }, /* 16 bpp: 0x111, or 273 */
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76 { 0, 0, 640, 400 }, /* 8 bpp: 0x100, or 256 */
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77 { 0, 0, 512, 384 },
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78 { 0, 0, 320, 240 },
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79 { 0, 0, 320, 200 }
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80 };
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81 static const struct {
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82 int xres;
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83 int yres;
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84 int pixclock;
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85 int left;
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86 int right;
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87 int upper;
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88 int lower;
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89 int hslen;
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90 int vslen;
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91 int sync;
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92 int vmode;
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93 } vesa_timings[] = {
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94 #ifdef USE_VESA_TIMINGS /* Only tested on Matrox Millenium I */
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95 { 640, 400, 39771, 48, 16, 39, 8, 96, 2, 2, 0 }, /* 70 Hz */
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96 { 640, 480, 39683, 48, 16, 33, 10, 96, 2, 0, 0 }, /* 60 Hz */
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97 { 768, 576, 26101, 144, 16, 28, 6, 112, 4, 0, 0 }, /* 60 Hz */
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98 { 800, 600, 24038, 144, 24, 28, 8, 112, 6, 0, 0 }, /* 60 Hz */
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99 { 960, 720, 17686, 144, 24, 28, 8, 112, 4, 0, 0 }, /* 60 Hz */
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100 { 1024, 768, 15386, 160, 32, 30, 4, 128, 4, 0, 0 }, /* 60 Hz */
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101 { 1152, 864, 12286, 192, 32, 30, 4, 128, 4, 0, 0 }, /* 60 Hz */
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102 { 1280, 1024, 9369, 224, 32, 32, 4, 136, 4, 0, 0 }, /* 60 Hz */
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103 { 1408, 1056, 8214, 256, 40, 32, 5, 144, 5, 0, 0 }, /* 60 Hz */
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104 { 1600, 1200,/*?*/0, 272, 48, 32, 5, 152, 5, 0, 0 }, /* 60 Hz */
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105 #else
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106 /* You can generate these timings from your XF86Config file using
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107 the 'modeline2fb' perl script included with the fbset package.
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108 These timings were generated for Matrox Millenium I, 15" monitor.
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109 */
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110 { 320, 200, 79440, 16, 16, 20, 4, 48, 1, 0, 2 }, /* 70 Hz */
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111 { 320, 240, 63492, 16, 16, 16, 4, 48, 2, 0, 2 }, /* 72 Hz */
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112 { 512, 384, 49603, 48, 16, 16, 1, 64, 3, 0, 0 }, /* 78 Hz */
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113 { 640, 400, 31746, 96, 32, 41, 1, 64, 3, 2, 0 }, /* 85 Hz */
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114 { 640, 480, 31746, 120, 16, 16, 1, 64, 3, 0, 0 }, /* 75 Hz */
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115 { 768, 576, 26101, 144, 16, 28, 6, 112, 4, 0, 0 }, /* 60 Hz */
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116 { 800, 600, 20000, 64, 56, 23, 37, 120, 6, 3, 0 }, /* 72 Hz */
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117 { 960, 720, 17686, 144, 24, 28, 8, 112, 4, 0, 0 }, /* 60 Hz */
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118 { 1024, 768, 13333, 144, 24, 29, 3, 136, 6, 0, 0 }, /* 70 Hz */
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119 { 1152, 864, 12286, 192, 32, 30, 4, 128, 4, 0, 0 }, /* 60 Hz */
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120 { 1280, 1024, 9369, 224, 32, 32, 4, 136, 4, 0, 0 }, /* 60 Hz */
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121 { 1408, 1056, 8214, 256, 40, 32, 5, 144, 5, 0, 0 }, /* 60 Hz */
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122 { 1600, 1200,/*?*/0, 272, 48, 32, 5, 152, 5, 0, 0 }, /* 60 Hz */
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123 #endif
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124 };
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125
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126 /* Initialization/Query functions */
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127 static int FB_VideoInit(_THIS, SDL_PixelFormat *vformat);
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128 static SDL_Rect **FB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
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129 static SDL_Surface *FB_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
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130 #ifdef VGA16_FBCON_SUPPORT
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131 static SDL_Surface *FB_SetVGA16Mode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
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132 #endif
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133 static int FB_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
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134 static void FB_VideoQuit(_THIS);
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135
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136 /* Hardware surface functions */
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137 static int FB_InitHWSurfaces(_THIS, SDL_Surface *screen, char *base, int size);
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138 static void FB_FreeHWSurfaces(_THIS);
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139 static int FB_AllocHWSurface(_THIS, SDL_Surface *surface);
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140 static int FB_LockHWSurface(_THIS, SDL_Surface *surface);
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141 static void FB_UnlockHWSurface(_THIS, SDL_Surface *surface);
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142 static void FB_FreeHWSurface(_THIS, SDL_Surface *surface);
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143 static void FB_WaitVBL(_THIS);
106
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144 static void FB_WaitIdle(_THIS);
0
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145 static int FB_FlipHWSurface(_THIS, SDL_Surface *surface);
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146
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147 /* Internal palette functions */
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148 static void FB_SavePalette(_THIS, struct fb_fix_screeninfo *finfo,
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149 struct fb_var_screeninfo *vinfo);
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150 static void FB_RestorePalette(_THIS);
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151
1798
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152 /* Small wrapper for mmap() so we can play nicely with no-mmu hosts
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153 * (non-mmu hosts disallow the MAP_SHARED flag) */
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154
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155 static void *do_mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset)
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156 {
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157 void *ret;
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158 ret = mmap(start, length, prot, flags, fd, offset);
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159 if ( ret == (char *)-1 && (flags & MAP_SHARED) ) {
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160 ret = mmap(start, length, prot,
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161 (flags & ~MAP_SHARED) | MAP_PRIVATE, fd, offset);
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162 }
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163 }
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164
0
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165 /* FB driver bootstrap functions */
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166
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167 static int FB_Available(void)
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168 {
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169 int console;
1585
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170 /* Added check for /fb/0 (devfs) */
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171 /* but - use environment variable first... if it fails, still check defaults */
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172 int idx = 0;
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173 const char *SDL_fbdevs[4] = { NULL, "/dev/fb0", "/dev/fb/0", NULL };
0
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174
1585
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175 SDL_fbdevs[0] = SDL_getenv("SDL_FBDEV");
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176 if( !SDL_fbdevs[0] )
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177 idx++;
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178 for( ; SDL_fbdevs[idx]; idx++ )
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179 {
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180 console = open(SDL_fbdevs[idx], O_RDWR, 0);
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181 if ( console >= 0 ) {
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182 close(console);
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183 break;
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184 }
0
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185 }
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186 return(console >= 0);
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187 }
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188
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189 static void FB_DeleteDevice(SDL_VideoDevice *device)
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190 {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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191 SDL_free(device->hidden);
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192 SDL_free(device);
0
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193 }
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194
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195 static SDL_VideoDevice *FB_CreateDevice(int devindex)
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196 {
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197 SDL_VideoDevice *this;
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198
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199 /* Initialize all variables that we clean on shutdown */
1336
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200 this = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice));
0
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201 if ( this ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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202 SDL_memset(this, 0, (sizeof *this));
0
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203 this->hidden = (struct SDL_PrivateVideoData *)
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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204 SDL_malloc((sizeof *this->hidden));
0
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205 }
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diff changeset
206 if ( (this == NULL) || (this->hidden == NULL) ) {
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207 SDL_OutOfMemory();
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208 if ( this ) {
1336
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209 SDL_free(this);
0
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210 }
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diff changeset
211 return(0);
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diff changeset
212 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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213 SDL_memset(this->hidden, 0, (sizeof *this->hidden));
0
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214 wait_vbl = FB_WaitVBL;
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
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diff changeset
215 wait_idle = FB_WaitIdle;
0
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diff changeset
216 mouse_fd = -1;
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217 keyboard_fd = -1;
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parents:
diff changeset
218
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diff changeset
219 /* Set the function pointers */
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220 this->VideoInit = FB_VideoInit;
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221 this->ListModes = FB_ListModes;
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222 this->SetVideoMode = FB_SetVideoMode;
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223 this->SetColors = FB_SetColors;
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diff changeset
224 this->UpdateRects = NULL;
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225 this->VideoQuit = FB_VideoQuit;
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226 this->AllocHWSurface = FB_AllocHWSurface;
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diff changeset
227 this->CheckHWBlit = NULL;
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diff changeset
228 this->FillHWRect = NULL;
74212992fb08 Initial revision
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diff changeset
229 this->SetHWColorKey = NULL;
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parents:
diff changeset
230 this->SetHWAlpha = NULL;
74212992fb08 Initial revision
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parents:
diff changeset
231 this->LockHWSurface = FB_LockHWSurface;
74212992fb08 Initial revision
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parents:
diff changeset
232 this->UnlockHWSurface = FB_UnlockHWSurface;
74212992fb08 Initial revision
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parents:
diff changeset
233 this->FlipHWSurface = FB_FlipHWSurface;
74212992fb08 Initial revision
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diff changeset
234 this->FreeHWSurface = FB_FreeHWSurface;
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parents:
diff changeset
235 this->SetCaption = NULL;
74212992fb08 Initial revision
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parents:
diff changeset
236 this->SetIcon = NULL;
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parents:
diff changeset
237 this->IconifyWindow = NULL;
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parents:
diff changeset
238 this->GrabInput = NULL;
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parents:
diff changeset
239 this->GetWMInfo = NULL;
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parents:
diff changeset
240 this->InitOSKeymap = FB_InitOSKeymap;
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parents:
diff changeset
241 this->PumpEvents = FB_PumpEvents;
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parents:
diff changeset
242
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diff changeset
243 this->free = FB_DeleteDevice;
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parents:
diff changeset
244
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diff changeset
245 return this;
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parents:
diff changeset
246 }
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parents:
diff changeset
247
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diff changeset
248 VideoBootStrap FBCON_bootstrap = {
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parents:
diff changeset
249 "fbcon", "Linux Framebuffer Console",
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diff changeset
250 FB_Available, FB_CreateDevice
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parents:
diff changeset
251 };
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diff changeset
252
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
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diff changeset
253 #define FB_MODES_DB "/etc/fb.modes"
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
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diff changeset
254
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
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diff changeset
255 static int read_fbmodes_line(FILE*f, char* line, int length)
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
256 {
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
257 int blank;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
258 char* c;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
259 int i;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
260
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
261 blank=0;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
262 /* find a relevant line */
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
263 do
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
264 {
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
265 if (fgets(line,length,f)<=0)
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
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diff changeset
266 return 0;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
267 c=line;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
268 while(((*c=='\t')||(*c==' '))&&(*c!=0))
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
269 c++;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
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diff changeset
270
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
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diff changeset
271 if ((*c=='\n')||(*c=='#')||(*c==0))
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
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diff changeset
272 blank=1;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
273 else
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
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diff changeset
274 blank=0;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
275 }
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
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diff changeset
276 while(blank);
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
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diff changeset
277 /* remove whitespace at the begining of the string */
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
278 i=0;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
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diff changeset
279 do
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
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diff changeset
280 {
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
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diff changeset
281 line[i]=c[i];
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
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diff changeset
282 i++;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
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diff changeset
283 }
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
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diff changeset
284 while(c[i]!=0);
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
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diff changeset
285 return 1;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
286 }
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
287
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
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diff changeset
288 static int read_fbmodes_mode(FILE *f, struct fb_var_screeninfo *vinfo)
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
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parents: 1036
diff changeset
289 {
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
290 char line[1024];
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Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
291 char option[256];
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Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
292
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
293 /* Find a "geometry" */
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
294 do {
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
295 if (read_fbmodes_line(f, line, sizeof(line))==0)
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
296 return 0;
1336
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diff changeset
297 if (SDL_strncmp(line,"geometry",8)==0)
1215
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Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
298 break;
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Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
299 }
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
300 while(1);
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
301
1336
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diff changeset
302 SDL_sscanf(line, "geometry %d %d %d %d %d", &vinfo->xres, &vinfo->yres,
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
303 &vinfo->xres_virtual, &vinfo->yres_virtual, &vinfo->bits_per_pixel);
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Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
304 if (read_fbmodes_line(f, line, sizeof(line))==0)
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diff changeset
305 return 0;
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diff changeset
306
1336
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307 SDL_sscanf(line, "timings %d %d %d %d %d %d %d", &vinfo->pixclock,
1215
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
308 &vinfo->left_margin, &vinfo->right_margin, &vinfo->upper_margin,
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
309 &vinfo->lower_margin, &vinfo->hsync_len, &vinfo->vsync_len);
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parents: 1036
diff changeset
310
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diff changeset
311 vinfo->sync=0;
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312 vinfo->vmode=FB_VMODE_NONINTERLACED;
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
313
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Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
314 /* Parse misc options */
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Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
315 do {
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Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
316 if (read_fbmodes_line(f, line, sizeof(line))==0)
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Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
317 return 0;
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Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
318
1336
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319 if (SDL_strncmp(line,"hsync",5)==0) {
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
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320 SDL_sscanf(line,"hsync %s",option);
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
321 if (SDL_strncmp(option,"high",4)==0)
1215
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Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
322 vinfo->sync |= FB_SYNC_HOR_HIGH_ACT;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
323 }
1336
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Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
324 else if (SDL_strncmp(line,"vsync",5)==0) {
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
325 SDL_sscanf(line,"vsync %s",option);
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
326 if (SDL_strncmp(option,"high",4)==0)
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
327 vinfo->sync |= FB_SYNC_VERT_HIGH_ACT;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
328 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
329 else if (SDL_strncmp(line,"csync",5)==0) {
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
330 SDL_sscanf(line,"csync %s",option);
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
331 if (SDL_strncmp(option,"high",4)==0)
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
332 vinfo->sync |= FB_SYNC_COMP_HIGH_ACT;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
333 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
334 else if (SDL_strncmp(line,"extsync",5)==0) {
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
335 SDL_sscanf(line,"extsync %s",option);
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
336 if (SDL_strncmp(option,"true",4)==0)
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
337 vinfo->sync |= FB_SYNC_EXT;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
338 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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parents: 1312
diff changeset
339 else if (SDL_strncmp(line,"laced",5)==0) {
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
340 SDL_sscanf(line,"laced %s",option);
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
341 if (SDL_strncmp(option,"true",4)==0)
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
342 vinfo->vmode |= FB_VMODE_INTERLACED;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
343 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
344 else if (SDL_strncmp(line,"double",6)==0) {
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
345 SDL_sscanf(line,"double %s",option);
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
346 if (SDL_strncmp(option,"true",4)==0)
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
347 vinfo->vmode |= FB_VMODE_DOUBLE;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
348 }
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
349 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
350 while(SDL_strncmp(line,"endmode",7)!=0);
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
351
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
352 return 1;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
353 }
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
354
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
355 static int FB_CheckMode(_THIS, struct fb_var_screeninfo *vinfo,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
356 int index, unsigned int *w, unsigned int *h)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
357 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
358 int mode_okay;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
359
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
360 mode_okay = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
361 vinfo->bits_per_pixel = (index+1)*8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
362 vinfo->xres = *w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
363 vinfo->xres_virtual = *w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
364 vinfo->yres = *h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
365 vinfo->yres_virtual = *h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
366 vinfo->activate = FB_ACTIVATE_TEST;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
367 if ( ioctl(console_fd, FBIOPUT_VSCREENINFO, vinfo) == 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
368 #ifdef FBCON_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
369 fprintf(stderr, "Checked mode %dx%d at %d bpp, got mode %dx%d at %d bpp\n", *w, *h, (index+1)*8, vinfo->xres, vinfo->yres, vinfo->bits_per_pixel);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
370 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
371 if ( (((vinfo->bits_per_pixel+7)/8)-1) == index ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
372 *w = vinfo->xres;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
373 *h = vinfo->yres;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
374 mode_okay = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
375 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
376 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
377 return mode_okay;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
378 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
379
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
380 static int FB_AddMode(_THIS, int index, unsigned int w, unsigned int h, int check_timings)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
381 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
382 SDL_Rect *mode;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
383 int i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
384 int next_mode;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
385
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
386 /* Check to see if we already have this mode */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
387 if ( SDL_nummodes[index] > 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
388 mode = SDL_modelist[index][SDL_nummodes[index]-1];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
389 if ( (mode->w == w) && (mode->h == h) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
390 #ifdef FBCON_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
391 fprintf(stderr, "We already have mode %dx%d at %d bytes per pixel\n", w, h, index+1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
392 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
393 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
394 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
395 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
396
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
397 /* Only allow a mode if we have a valid timing for it */
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
398 if ( check_timings ) {
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
399 int found_timing = 0;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
400 for ( i=0; i<(sizeof(vesa_timings)/sizeof(vesa_timings[0])); ++i ) {
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
401 if ( (w == vesa_timings[i].xres) &&
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
402 (h == vesa_timings[i].yres) && vesa_timings[i].pixclock ) {
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
403 found_timing = 1;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
404 break;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
405 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
406 }
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
407 if ( !found_timing ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
408 #ifdef FBCON_DEBUG
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
409 fprintf(stderr, "No valid timing line for mode %dx%d\n", w, h);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
410 #endif
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
411 return(0);
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
412 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
413 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
414
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
415 /* 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
416 mode = (SDL_Rect *)SDL_malloc(sizeof *mode);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
417 if ( mode == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
418 SDL_OutOfMemory();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
419 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
420 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
421 mode->x = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
422 mode->y = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
423 mode->w = w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
424 mode->h = h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
425 #ifdef FBCON_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
426 fprintf(stderr, "Adding mode %dx%d at %d bytes per pixel\n", w, h, index+1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
427 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
428
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
429 /* Allocate the new list of modes, and fill in the new mode */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
430 next_mode = SDL_nummodes[index];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
431 SDL_modelist[index] = (SDL_Rect **)
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
432 SDL_realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *));
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
433 if ( SDL_modelist[index] == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
434 SDL_OutOfMemory();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
435 SDL_nummodes[index] = 0;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
436 SDL_free(mode);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
437 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
438 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
439 SDL_modelist[index][next_mode] = mode;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
440 SDL_modelist[index][next_mode+1] = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
441 SDL_nummodes[index]++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
442
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
443 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
444 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
445
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
446 static int cmpmodes(const void *va, const void *vb)
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
447 {
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
448 const SDL_Rect *a = *(const SDL_Rect**)va;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
449 const SDL_Rect *b = *(const SDL_Rect**)vb;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
450 if ( a->h == b->h )
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
451 return b->w - a->w;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
452 else
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
453 return b->h - a->h;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
454 }
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
455
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
456 static void FB_SortModes(_THIS)
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
457 {
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
458 int i;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
459 for ( i=0; i<NUM_MODELISTS; ++i ) {
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
460 if ( SDL_nummodes[i] > 0 ) {
1338
604d73db6802 Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents: 1336
diff changeset
461 SDL_qsort(SDL_modelist[i], SDL_nummodes[i], sizeof *SDL_modelist[i], cmpmodes);
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
462 }
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
463 }
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
464 }
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
465
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
466 static int FB_VideoInit(_THIS, SDL_PixelFormat *vformat)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
467 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
468 struct fb_fix_screeninfo finfo;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
469 struct fb_var_screeninfo vinfo;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
470 int i, j;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
471 int current_index;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
472 unsigned int current_w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
473 unsigned int current_h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
474 const char *SDL_fbdev;
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
475 FILE *modesdb;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
476
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
477 /* Initialize the library */
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
478 SDL_fbdev = SDL_getenv("SDL_FBDEV");
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
479 if ( SDL_fbdev == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
480 SDL_fbdev = "/dev/fb0";
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
481 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
482 console_fd = open(SDL_fbdev, O_RDWR, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
483 if ( console_fd < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
484 SDL_SetError("Unable to open %s", SDL_fbdev);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
485 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
486 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
487
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
488 #if !SDL_THREADS_DISABLED
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
489 /* Create the hardware surface lock mutex */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
490 hw_lock = SDL_CreateMutex();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
491 if ( hw_lock == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
492 SDL_SetError("Unable to create lock mutex");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
493 FB_VideoQuit(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
494 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
495 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
496 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
497
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
498 /* Get the type of video hardware */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
499 if ( ioctl(console_fd, FBIOGET_FSCREENINFO, &finfo) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
500 SDL_SetError("Couldn't get console hardware info");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
501 FB_VideoQuit(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
502 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
503 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
504 switch (finfo.type) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
505 case FB_TYPE_PACKED_PIXELS:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
506 /* Supported, no worries.. */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
507 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
508 #ifdef VGA16_FBCON_SUPPORT
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
509 case FB_TYPE_VGA_PLANES:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
510 /* VGA16 is supported, but that's it */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
511 if ( finfo.type_aux == FB_AUX_VGA_PLANES_VGA4 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
512 if ( ioperm(0x3b4, 0x3df - 0x3b4 + 1, 1) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
513 SDL_SetError("No I/O port permissions");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
514 FB_VideoQuit(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
515 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
516 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
517 this->SetVideoMode = FB_SetVGA16Mode;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
518 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
519 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
520 /* Fall through to unsupported case */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
521 #endif /* VGA16_FBCON_SUPPORT */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
522 default:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
523 SDL_SetError("Unsupported console hardware");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
524 FB_VideoQuit(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
525 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
526 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
527 switch (finfo.visual) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
528 case FB_VISUAL_TRUECOLOR:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
529 case FB_VISUAL_PSEUDOCOLOR:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
530 case FB_VISUAL_STATIC_PSEUDOCOLOR:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
531 case FB_VISUAL_DIRECTCOLOR:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
532 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
533 default:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
534 SDL_SetError("Unsupported console hardware");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
535 FB_VideoQuit(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
536 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
537 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
538
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
539 /* Check if the user wants to disable hardware acceleration */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
540 { const char *fb_accel;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
541 fb_accel = SDL_getenv("SDL_FBACCEL");
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
542 if ( fb_accel ) {
1341
d02b552e5304 Configure dynamically generates SDL_config.h
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
543 finfo.accel = SDL_atoi(fb_accel);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
544 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
545 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
546
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
547 /* Memory map the device, compensating for buggy PPC mmap() */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
548 mapped_offset = (((long)finfo.smem_start) -
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
549 (((long)finfo.smem_start)&~(PAGE_SIZE-1)));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
550 mapped_memlen = finfo.smem_len+mapped_offset;
1798
49b4b8413734 Date: Tue, 9 May 2006 23:01:49 -0400
Sam Lantinga <slouken@libsdl.org>
parents: 1780
diff changeset
551 mapped_mem = do_mmap(NULL, mapped_memlen,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
552 PROT_READ|PROT_WRITE, MAP_SHARED, console_fd, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
553 if ( mapped_mem == (char *)-1 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
554 SDL_SetError("Unable to memory map the video hardware");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
555 mapped_mem = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
556 FB_VideoQuit(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
557 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
558 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
559
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
560 /* Determine the current screen depth */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
561 if ( ioctl(console_fd, FBIOGET_VSCREENINFO, &vinfo) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
562 SDL_SetError("Couldn't get console pixel format");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
563 FB_VideoQuit(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
564 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
565 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
566 vformat->BitsPerPixel = vinfo.bits_per_pixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
567 if ( vformat->BitsPerPixel < 8 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
568 /* Assuming VGA16, we handle this via a shadow framebuffer */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
569 vformat->BitsPerPixel = 8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
570 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
571 for ( i=0; i<vinfo.red.length; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
572 vformat->Rmask <<= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
573 vformat->Rmask |= (0x00000001<<vinfo.red.offset);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
574 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
575 for ( i=0; i<vinfo.green.length; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
576 vformat->Gmask <<= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
577 vformat->Gmask |= (0x00000001<<vinfo.green.offset);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
578 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
579 for ( i=0; i<vinfo.blue.length; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
580 vformat->Bmask <<= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
581 vformat->Bmask |= (0x00000001<<vinfo.blue.offset);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
582 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
583 saved_vinfo = vinfo;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
584
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
585 /* Save hardware palette, if needed */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
586 FB_SavePalette(this, &finfo, &vinfo);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
587
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
588 /* If the I/O registers are available, memory map them so we
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
589 can take advantage of any supported hardware acceleration.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
590 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
591 vinfo.accel_flags = 0; /* Temporarily reserve registers */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
592 ioctl(console_fd, FBIOPUT_VSCREENINFO, &vinfo);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
593 if ( finfo.accel && finfo.mmio_len ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
594 mapped_iolen = finfo.mmio_len;
1798
49b4b8413734 Date: Tue, 9 May 2006 23:01:49 -0400
Sam Lantinga <slouken@libsdl.org>
parents: 1780
diff changeset
595 mapped_io = do_mmap(NULL, mapped_iolen, PROT_READ|PROT_WRITE,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
596 MAP_SHARED, console_fd, mapped_memlen);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
597 if ( mapped_io == (char *)-1 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
598 /* Hmm, failed to memory map I/O registers */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
599 mapped_io = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
600 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
601 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
602
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
603 /* Query for the list of available video modes */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
604 current_w = vinfo.xres;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
605 current_h = vinfo.yres;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
606 current_index = ((vinfo.bits_per_pixel+7)/8)-1;
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
607 modesdb = fopen(FB_MODES_DB, "r");
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
608 for ( i=0; i<NUM_MODELISTS; ++i ) {
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
609 SDL_nummodes[i] = 0;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
610 SDL_modelist[i] = NULL;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
611 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
612 if ( SDL_getenv("SDL_FB_BROKEN_MODES") != NULL ) {
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
613 FB_AddMode(this, current_index, current_w, current_h, 0);
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
614 } else if(modesdb) {
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
615 while ( read_fbmodes_mode(modesdb, &vinfo) ) {
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
616 for ( i=0; i<NUM_MODELISTS; ++i ) {
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
617 unsigned int w, h;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
618
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
619 /* See if we are querying for the current mode */
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
620 w = vinfo.xres;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
621 h = vinfo.yres;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
622 if ( i == current_index ) {
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
623 if ( (current_w > w) || (current_h > h) ) {
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
624 /* Only check once */
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
625 FB_AddMode(this, i, current_w, current_h, 0);
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
626 current_index = -1;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
627 }
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
628 }
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
629 if ( FB_CheckMode(this, &vinfo, i, &w, &h) ) {
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
630 FB_AddMode(this, i, w, h, 0);
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
631 }
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
632 }
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
633 }
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
634 fclose(modesdb);
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
635 FB_SortModes(this);
941
5095c4a264aa Date: Mon, 12 Jul 2004 14:17:47 -0500
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
636 } else {
5095c4a264aa Date: Mon, 12 Jul 2004 14:17:47 -0500
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
637 for ( i=0; i<NUM_MODELISTS; ++i ) {
5095c4a264aa Date: Mon, 12 Jul 2004 14:17:47 -0500
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
638 for ( j=0; j<(sizeof(checkres)/sizeof(checkres[0])); ++j ) {
5095c4a264aa Date: Mon, 12 Jul 2004 14:17:47 -0500
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
639 unsigned int w, h;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
640
941
5095c4a264aa Date: Mon, 12 Jul 2004 14:17:47 -0500
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
641 /* See if we are querying for the current mode */
5095c4a264aa Date: Mon, 12 Jul 2004 14:17:47 -0500
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
642 w = checkres[j].w;
5095c4a264aa Date: Mon, 12 Jul 2004 14:17:47 -0500
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
643 h = checkres[j].h;
5095c4a264aa Date: Mon, 12 Jul 2004 14:17:47 -0500
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
644 if ( i == current_index ) {
5095c4a264aa Date: Mon, 12 Jul 2004 14:17:47 -0500
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
645 if ( (current_w > w) || (current_h > h) ) {
5095c4a264aa Date: Mon, 12 Jul 2004 14:17:47 -0500
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
646 /* Only check once */
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
647 FB_AddMode(this, i, current_w, current_h, 0);
941
5095c4a264aa Date: Mon, 12 Jul 2004 14:17:47 -0500
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
648 current_index = -1;
5095c4a264aa Date: Mon, 12 Jul 2004 14:17:47 -0500
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
649 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
650 }
941
5095c4a264aa Date: Mon, 12 Jul 2004 14:17:47 -0500
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
651 if ( FB_CheckMode(this, &vinfo, i, &w, &h) ) {
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
652 FB_AddMode(this, i, w, h, 1);
941
5095c4a264aa Date: Mon, 12 Jul 2004 14:17:47 -0500
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
653 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
654 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
655 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
656 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
657
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
658 /* Fill in our hardware acceleration capabilities */
1545
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
659 this->info.current_w = current_w;
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
660 this->info.current_h = current_h;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
661 this->info.wm_available = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
662 this->info.hw_available = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
663 this->info.video_mem = finfo.smem_len/1024;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
664 if ( mapped_io ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
665 switch (finfo.accel) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
666 case FB_ACCEL_MATROX_MGA2064W:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
667 case FB_ACCEL_MATROX_MGA1064SG:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
668 case FB_ACCEL_MATROX_MGA2164W:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
669 case FB_ACCEL_MATROX_MGA2164W_AGP:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
670 case FB_ACCEL_MATROX_MGAG100:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
671 /*case FB_ACCEL_MATROX_MGAG200: G200 acceleration broken! */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
672 case FB_ACCEL_MATROX_MGAG400:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
673 #ifdef FBACCEL_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
674 printf("Matrox hardware accelerator!\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
675 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
676 FB_MatroxAccel(this, finfo.accel);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
677 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
678 case FB_ACCEL_3DFX_BANSHEE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
679 #ifdef FBACCEL_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
680 printf("3DFX hardware accelerator!\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
681 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
682 FB_3DfxAccel(this, finfo.accel);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
683 break;
133
5d4bafca35cd Added support for hardware accelerated NVidia driver on framebuffer console
Sam Lantinga <slouken@libsdl.org>
parents: 106
diff changeset
684 case FB_ACCEL_NV3:
5d4bafca35cd Added support for hardware accelerated NVidia driver on framebuffer console
Sam Lantinga <slouken@libsdl.org>
parents: 106
diff changeset
685 case FB_ACCEL_NV4:
5d4bafca35cd Added support for hardware accelerated NVidia driver on framebuffer console
Sam Lantinga <slouken@libsdl.org>
parents: 106
diff changeset
686 #ifdef FBACCEL_DEBUG
5d4bafca35cd Added support for hardware accelerated NVidia driver on framebuffer console
Sam Lantinga <slouken@libsdl.org>
parents: 106
diff changeset
687 printf("NVidia hardware accelerator!\n");
5d4bafca35cd Added support for hardware accelerated NVidia driver on framebuffer console
Sam Lantinga <slouken@libsdl.org>
parents: 106
diff changeset
688 #endif
5d4bafca35cd Added support for hardware accelerated NVidia driver on framebuffer console
Sam Lantinga <slouken@libsdl.org>
parents: 106
diff changeset
689 FB_RivaAccel(this, finfo.accel);
5d4bafca35cd Added support for hardware accelerated NVidia driver on framebuffer console
Sam Lantinga <slouken@libsdl.org>
parents: 106
diff changeset
690 break;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
691 default:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
692 #ifdef FBACCEL_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
693 printf("Unknown hardware accelerator.\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
694 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
695 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
696 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
697 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
698
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
699 /* Enable mouse and keyboard support */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
700 if ( FB_OpenKeyboard(this) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
701 FB_VideoQuit(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
702 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
703 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
704 if ( FB_OpenMouse(this) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
705 const char *sdl_nomouse;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
706
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
707 sdl_nomouse = SDL_getenv("SDL_NOMOUSE");
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
708 if ( ! sdl_nomouse ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
709 SDL_SetError("Unable to open mouse");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
710 FB_VideoQuit(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
711 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
712 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
713 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
714
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
715 /* We're done! */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
716 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
717 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
718
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
719 static SDL_Rect **FB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
720 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
721 return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
722 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
723
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
724 /* Various screen update functions available */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
725 static void FB_DirectUpdate(_THIS, int numrects, SDL_Rect *rects);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
726 #ifdef VGA16_FBCON_SUPPORT
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
727 static void FB_VGA16Update(_THIS, int numrects, SDL_Rect *rects);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
728 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
729
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
730 #ifdef FBCON_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
731 static void print_vinfo(struct fb_var_screeninfo *vinfo)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
732 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
733 fprintf(stderr, "Printing vinfo:\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
734 fprintf(stderr, "\txres: %d\n", vinfo->xres);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
735 fprintf(stderr, "\tyres: %d\n", vinfo->yres);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
736 fprintf(stderr, "\txres_virtual: %d\n", vinfo->xres_virtual);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
737 fprintf(stderr, "\tyres_virtual: %d\n", vinfo->yres_virtual);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
738 fprintf(stderr, "\txoffset: %d\n", vinfo->xoffset);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
739 fprintf(stderr, "\tyoffset: %d\n", vinfo->yoffset);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
740 fprintf(stderr, "\tbits_per_pixel: %d\n", vinfo->bits_per_pixel);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
741 fprintf(stderr, "\tgrayscale: %d\n", vinfo->grayscale);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
742 fprintf(stderr, "\tnonstd: %d\n", vinfo->nonstd);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
743 fprintf(stderr, "\tactivate: %d\n", vinfo->activate);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
744 fprintf(stderr, "\theight: %d\n", vinfo->height);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
745 fprintf(stderr, "\twidth: %d\n", vinfo->width);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
746 fprintf(stderr, "\taccel_flags: %d\n", vinfo->accel_flags);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
747 fprintf(stderr, "\tpixclock: %d\n", vinfo->pixclock);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
748 fprintf(stderr, "\tleft_margin: %d\n", vinfo->left_margin);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
749 fprintf(stderr, "\tright_margin: %d\n", vinfo->right_margin);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
750 fprintf(stderr, "\tupper_margin: %d\n", vinfo->upper_margin);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
751 fprintf(stderr, "\tlower_margin: %d\n", vinfo->lower_margin);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
752 fprintf(stderr, "\thsync_len: %d\n", vinfo->hsync_len);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
753 fprintf(stderr, "\tvsync_len: %d\n", vinfo->vsync_len);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
754 fprintf(stderr, "\tsync: %d\n", vinfo->sync);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
755 fprintf(stderr, "\tvmode: %d\n", vinfo->vmode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
756 fprintf(stderr, "\tred: %d/%d\n", vinfo->red.length, vinfo->red.offset);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
757 fprintf(stderr, "\tgreen: %d/%d\n", vinfo->green.length, vinfo->green.offset);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
758 fprintf(stderr, "\tblue: %d/%d\n", vinfo->blue.length, vinfo->blue.offset);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
759 fprintf(stderr, "\talpha: %d/%d\n", vinfo->transp.length, vinfo->transp.offset);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
760 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
761 static void print_finfo(struct fb_fix_screeninfo *finfo)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
762 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
763 fprintf(stderr, "Printing finfo:\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
764 fprintf(stderr, "\tsmem_start = %p\n", (char *)finfo->smem_start);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
765 fprintf(stderr, "\tsmem_len = %d\n", finfo->smem_len);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
766 fprintf(stderr, "\ttype = %d\n", finfo->type);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
767 fprintf(stderr, "\ttype_aux = %d\n", finfo->type_aux);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
768 fprintf(stderr, "\tvisual = %d\n", finfo->visual);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
769 fprintf(stderr, "\txpanstep = %d\n", finfo->xpanstep);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
770 fprintf(stderr, "\typanstep = %d\n", finfo->ypanstep);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
771 fprintf(stderr, "\tywrapstep = %d\n", finfo->ywrapstep);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
772 fprintf(stderr, "\tline_length = %d\n", finfo->line_length);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
773 fprintf(stderr, "\tmmio_start = %p\n", (char *)finfo->mmio_start);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
774 fprintf(stderr, "\tmmio_len = %d\n", finfo->mmio_len);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
775 fprintf(stderr, "\taccel = %d\n", finfo->accel);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
776 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
777 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
778
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
779 static int choose_fbmodes_mode(struct fb_var_screeninfo *vinfo)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
780 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
781 int matched;
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
782 FILE *modesdb;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
783 struct fb_var_screeninfo cinfo;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
784
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
785 matched = 0;
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
786 modesdb = fopen(FB_MODES_DB, "r");
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
787 if ( modesdb ) {
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
788 /* Parse the mode definition file */
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
789 while ( read_fbmodes_mode(modesdb, &cinfo) ) {
1217
ae9981987c2f Oops, actually use the timings in the modes db. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1215
diff changeset
790 if ( (vinfo->xres == cinfo.xres && vinfo->yres == cinfo.yres) &&
ae9981987c2f Oops, actually use the timings in the modes db. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1215
diff changeset
791 (!matched || (vinfo->bits_per_pixel == cinfo.bits_per_pixel)) ) {
ae9981987c2f Oops, actually use the timings in the modes db. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1215
diff changeset
792 vinfo->pixclock = cinfo.pixclock;
ae9981987c2f Oops, actually use the timings in the modes db. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1215
diff changeset
793 vinfo->left_margin = cinfo.left_margin;
ae9981987c2f Oops, actually use the timings in the modes db. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1215
diff changeset
794 vinfo->right_margin = cinfo.right_margin;
ae9981987c2f Oops, actually use the timings in the modes db. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1215
diff changeset
795 vinfo->upper_margin = cinfo.upper_margin;
ae9981987c2f Oops, actually use the timings in the modes db. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1215
diff changeset
796 vinfo->lower_margin = cinfo.lower_margin;
ae9981987c2f Oops, actually use the timings in the modes db. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1215
diff changeset
797 vinfo->hsync_len = cinfo.hsync_len;
ae9981987c2f Oops, actually use the timings in the modes db. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1215
diff changeset
798 vinfo->vsync_len = cinfo.vsync_len;
ae9981987c2f Oops, actually use the timings in the modes db. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1215
diff changeset
799 if ( matched ) {
ae9981987c2f Oops, actually use the timings in the modes db. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1215
diff changeset
800 break;
ae9981987c2f Oops, actually use the timings in the modes db. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1215
diff changeset
801 }
1215
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
802 matched = 1;
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
803 }
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
804 }
d082d2d66ec8 Added support for parsing /etc/fb.modes, based on Stephane Marchesin's patch
Sam Lantinga <slouken@libsdl.org>
parents: 1036
diff changeset
805 fclose(modesdb);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
806 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
807 return(matched);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
808 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
809
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
810 static int choose_vesa_mode(struct fb_var_screeninfo *vinfo)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
811 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
812 int matched;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
813 int i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
814
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
815 /* Check for VESA timings */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
816 matched = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
817 for ( i=0; i<(sizeof(vesa_timings)/sizeof(vesa_timings[0])); ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
818 if ( (vinfo->xres == vesa_timings[i].xres) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
819 (vinfo->yres == vesa_timings[i].yres) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
820 #ifdef FBCON_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
821 fprintf(stderr, "Using VESA timings for %dx%d\n",
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
822 vinfo->xres, vinfo->yres);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
823 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
824 if ( vesa_timings[i].pixclock ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
825 vinfo->pixclock = vesa_timings[i].pixclock;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
826 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
827 vinfo->left_margin = vesa_timings[i].left;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
828 vinfo->right_margin = vesa_timings[i].right;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
829 vinfo->upper_margin = vesa_timings[i].upper;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
830 vinfo->lower_margin = vesa_timings[i].lower;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
831 vinfo->hsync_len = vesa_timings[i].hslen;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
832 vinfo->vsync_len = vesa_timings[i].vslen;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
833 vinfo->sync = vesa_timings[i].sync;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
834 vinfo->vmode = vesa_timings[i].vmode;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
835 matched = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
836 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
837 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
838 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
839 return(matched);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
840 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
841
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
842 #ifdef VGA16_FBCON_SUPPORT
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
843 static SDL_Surface *FB_SetVGA16Mode(_THIS, SDL_Surface *current,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
844 int width, int height, int bpp, Uint32 flags)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
845 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
846 struct fb_fix_screeninfo finfo;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
847 struct fb_var_screeninfo vinfo;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
848
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
849 /* Set the terminal into graphics mode */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
850 if ( FB_EnterGraphicsMode(this) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
851 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
852 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
853
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
854 /* Restore the original palette */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
855 FB_RestorePalette(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
856
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
857 /* Set the video mode and get the final screen format */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
858 if ( ioctl(console_fd, FBIOGET_VSCREENINFO, &vinfo) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
859 SDL_SetError("Couldn't get console screen info");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
860 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
861 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
862 cache_vinfo = vinfo;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
863 #ifdef FBCON_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
864 fprintf(stderr, "Printing actual vinfo:\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
865 print_vinfo(&vinfo);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
866 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
867 if ( ! SDL_ReallocFormat(current, bpp, 0, 0, 0, 0) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
868 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
869 }
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
870 current->format->palette->ncolors = 16;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
871
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
872 /* Get the fixed information about the console hardware.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
873 This is necessary since finfo.line_length changes.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
874 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
875 if ( ioctl(console_fd, FBIOGET_FSCREENINFO, &finfo) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
876 SDL_SetError("Couldn't get console hardware info");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
877 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
878 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
879 #ifdef FBCON_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
880 fprintf(stderr, "Printing actual finfo:\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
881 print_finfo(&finfo);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
882 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
883
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
884 /* Save hardware palette, if needed */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
885 FB_SavePalette(this, &finfo, &vinfo);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
886
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
887 /* Set up the new mode framebuffer */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
888 current->flags = SDL_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
889 current->w = vinfo.xres;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
890 current->h = vinfo.yres;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
891 current->pitch = current->w;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
892 current->pixels = SDL_malloc(current->h*current->pitch);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
893
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
894 /* Set the update rectangle function */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
895 this->UpdateRects = FB_VGA16Update;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
896
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
897 /* We're done */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
898 return(current);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
899 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
900 #endif /* VGA16_FBCON_SUPPORT */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
901
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
902 static SDL_Surface *FB_SetVideoMode(_THIS, SDL_Surface *current,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
903 int width, int height, int bpp, Uint32 flags)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
904 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
905 struct fb_fix_screeninfo finfo;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
906 struct fb_var_screeninfo vinfo;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
907 int i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
908 Uint32 Rmask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
909 Uint32 Gmask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
910 Uint32 Bmask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
911 char *surfaces_mem;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
912 int surfaces_len;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
913
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
914 /* Set the terminal into graphics mode */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
915 if ( FB_EnterGraphicsMode(this) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
916 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
917 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
918
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
919 /* Restore the original palette */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
920 FB_RestorePalette(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
921
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
922 /* Set the video mode and get the final screen format */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
923 if ( ioctl(console_fd, FBIOGET_VSCREENINFO, &vinfo) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
924 SDL_SetError("Couldn't get console screen info");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
925 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
926 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
927 #ifdef FBCON_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
928 fprintf(stderr, "Printing original vinfo:\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
929 print_vinfo(&vinfo);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
930 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
931 if ( (vinfo.xres != width) || (vinfo.yres != height) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
932 (vinfo.bits_per_pixel != bpp) || (flags & SDL_DOUBLEBUF) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
933 vinfo.activate = FB_ACTIVATE_NOW;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
934 vinfo.accel_flags = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
935 vinfo.bits_per_pixel = bpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
936 vinfo.xres = width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
937 vinfo.xres_virtual = width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
938 vinfo.yres = height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
939 if ( flags & SDL_DOUBLEBUF ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
940 vinfo.yres_virtual = height*2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
941 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
942 vinfo.yres_virtual = height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
943 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
944 vinfo.xoffset = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
945 vinfo.yoffset = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
946 vinfo.red.length = vinfo.red.offset = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
947 vinfo.green.length = vinfo.green.offset = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
948 vinfo.blue.length = vinfo.blue.offset = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
949 vinfo.transp.length = vinfo.transp.offset = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
950 if ( ! choose_fbmodes_mode(&vinfo) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
951 choose_vesa_mode(&vinfo);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
952 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
953 #ifdef FBCON_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
954 fprintf(stderr, "Printing wanted vinfo:\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
955 print_vinfo(&vinfo);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
956 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
957 if ( ioctl(console_fd, FBIOPUT_VSCREENINFO, &vinfo) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
958 vinfo.yres_virtual = height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
959 if ( ioctl(console_fd, FBIOPUT_VSCREENINFO, &vinfo) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
960 SDL_SetError("Couldn't set console screen info");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
961 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
962 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
963 }
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
964 } else {
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
965 int maxheight;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
966
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
967 /* Figure out how much video memory is available */
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
968 if ( flags & SDL_DOUBLEBUF ) {
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
969 maxheight = height*2;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
970 } else {
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
971 maxheight = height;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
972 }
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
973 if ( vinfo.yres_virtual > maxheight ) {
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
974 vinfo.yres_virtual = maxheight;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
975 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
976 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
977 cache_vinfo = vinfo;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
978 #ifdef FBCON_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
979 fprintf(stderr, "Printing actual vinfo:\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
980 print_vinfo(&vinfo);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
981 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
982 Rmask = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
983 for ( i=0; i<vinfo.red.length; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
984 Rmask <<= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
985 Rmask |= (0x00000001<<vinfo.red.offset);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
986 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
987 Gmask = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
988 for ( i=0; i<vinfo.green.length; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
989 Gmask <<= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
990 Gmask |= (0x00000001<<vinfo.green.offset);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
991 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
992 Bmask = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
993 for ( i=0; i<vinfo.blue.length; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
994 Bmask <<= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
995 Bmask |= (0x00000001<<vinfo.blue.offset);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
996 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
997 if ( ! SDL_ReallocFormat(current, vinfo.bits_per_pixel,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
998 Rmask, Gmask, Bmask, 0) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
999 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1000 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1001
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1002 /* Get the fixed information about the console hardware.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1003 This is necessary since finfo.line_length changes.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1004 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1005 if ( ioctl(console_fd, FBIOGET_FSCREENINFO, &finfo) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1006 SDL_SetError("Couldn't get console hardware info");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1007 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1008 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1009
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1010 /* Save hardware palette, if needed */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1011 FB_SavePalette(this, &finfo, &vinfo);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1012
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1013 /* Set up the new mode framebuffer */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1014 current->flags = (SDL_FULLSCREEN|SDL_HWSURFACE);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1015 current->w = vinfo.xres;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1016 current->h = vinfo.yres;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1017 current->pitch = finfo.line_length;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1018 current->pixels = mapped_mem+mapped_offset;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1019
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1020 /* Set up the information for hardware surfaces */
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1021 surfaces_mem = (char *)current->pixels +
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1022 vinfo.yres_virtual*current->pitch;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1023 surfaces_len = (mapped_memlen-(surfaces_mem-mapped_mem));
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1024 FB_FreeHWSurfaces(this);
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1025 FB_InitHWSurfaces(this, current, surfaces_mem, surfaces_len);
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1026
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1027 /* Let the application know we have a hardware palette */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1028 switch (finfo.visual) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1029 case FB_VISUAL_PSEUDOCOLOR:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1030 current->flags |= SDL_HWPALETTE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1031 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1032 default:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1033 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1034 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1035
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1036 /* Update for double-buffering, if we can */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1037 if ( flags & SDL_DOUBLEBUF ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1038 if ( vinfo.yres_virtual == (height*2) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1039 current->flags |= SDL_DOUBLEBUF;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1040 flip_page = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1041 flip_address[0] = (char *)current->pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1042 flip_address[1] = (char *)current->pixels+
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1043 current->h*current->pitch;
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1044 this->screen = current;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1045 FB_FlipHWSurface(this, current);
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1046 this->screen = NULL;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1047 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1048 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1049
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1050 /* Set the update rectangle function */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1051 this->UpdateRects = FB_DirectUpdate;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1052
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1053 /* We're done */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1054 return(current);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1055 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1056
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1057 #ifdef FBCON_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1058 void FB_DumpHWSurfaces(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1059 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1060 vidmem_bucket *bucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1061
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1062 printf("Memory left: %d (%d total)\n", surfaces_memleft, surfaces_memtotal);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1063 printf("\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1064 printf(" Base Size\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1065 for ( bucket=&surfaces; bucket; bucket=bucket->next ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1066 printf("Bucket: %p, %d (%s)\n", bucket->base, bucket->size, bucket->used ? "used" : "free");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1067 if ( bucket->prev ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1068 if ( bucket->base != bucket->prev->base+bucket->prev->size ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1069 printf("Warning, corrupt bucket list! (prev)\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1070 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1071 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1072 if ( bucket != &surfaces ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1073 printf("Warning, corrupt bucket list! (!prev)\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1074 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1075 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1076 if ( bucket->next ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1077 if ( bucket->next->base != bucket->base+bucket->size ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1078 printf("Warning, corrupt bucket list! (next)\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1079 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1080 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1081 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1082 printf("\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1083 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1084 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1085
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1086 static int FB_InitHWSurfaces(_THIS, SDL_Surface *screen, char *base, int size)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1087 {
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1088 vidmem_bucket *bucket;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1089
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1090 surfaces_memtotal = size;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1091 surfaces_memleft = size;
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1092
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1093 if ( surfaces_memleft > 0 ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
1094 bucket = (vidmem_bucket *)SDL_malloc(sizeof(*bucket));
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1095 if ( bucket == NULL ) {
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1096 SDL_OutOfMemory();
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1097 return(-1);
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1098 }
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1099 bucket->prev = &surfaces;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1100 bucket->used = 0;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1101 bucket->dirty = 0;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1102 bucket->base = base;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1103 bucket->size = size;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1104 bucket->next = NULL;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1105 } else {
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1106 bucket = NULL;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1107 }
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1108
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1109 surfaces.prev = NULL;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1110 surfaces.used = 1;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1111 surfaces.dirty = 0;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1112 surfaces.base = screen->pixels;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1113 surfaces.size = (unsigned int)((long)base - (long)surfaces.base);
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1114 surfaces.next = bucket;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1115 screen->hwdata = (struct private_hwdata *)&surfaces;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1116 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1117 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1118 static void FB_FreeHWSurfaces(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1119 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1120 vidmem_bucket *bucket, *freeable;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1121
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1122 bucket = surfaces.next;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1123 while ( bucket ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1124 freeable = bucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1125 bucket = bucket->next;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
1126 SDL_free(freeable);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1127 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1128 surfaces.next = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1129 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1130
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1131 static int FB_AllocHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1132 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1133 vidmem_bucket *bucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1134 int size;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1135 int extra;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1136
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1137 /* Temporarily, we only allow surfaces the same width as display.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1138 Some blitters require the pitch between two hardware surfaces
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1139 to be the same. Others have interesting alignment restrictions.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1140 Until someone who knows these details looks at the code...
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1141 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1142 if ( surface->pitch > SDL_VideoSurface->pitch ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1143 SDL_SetError("Surface requested wider than screen");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1144 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1145 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1146 surface->pitch = SDL_VideoSurface->pitch;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1147 size = surface->h * surface->pitch;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1148 #ifdef FBCON_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1149 fprintf(stderr, "Allocating bucket of %d bytes\n", size);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1150 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1151
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1152 /* Quick check for available mem */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1153 if ( size > surfaces_memleft ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1154 SDL_SetError("Not enough video memory");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1155 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1156 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1157
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1158 /* Search for an empty bucket big enough */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1159 for ( bucket=&surfaces; bucket; bucket=bucket->next ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1160 if ( ! bucket->used && (size <= bucket->size) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1161 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1162 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1163 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1164 if ( bucket == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1165 SDL_SetError("Video memory too fragmented");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1166 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1167 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1168
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1169 /* Create a new bucket for left-over memory */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1170 extra = (bucket->size - size);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1171 if ( extra ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1172 vidmem_bucket *newbucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1173
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1174 #ifdef FBCON_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1175 fprintf(stderr, "Adding new free bucket of %d bytes\n", extra);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1176 #endif
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
1177 newbucket = (vidmem_bucket *)SDL_malloc(sizeof(*newbucket));
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1178 if ( newbucket == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1179 SDL_OutOfMemory();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1180 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1181 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1182 newbucket->prev = bucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1183 newbucket->used = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1184 newbucket->base = bucket->base+size;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1185 newbucket->size = extra;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1186 newbucket->next = bucket->next;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1187 if ( bucket->next ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1188 bucket->next->prev = newbucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1189 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1190 bucket->next = newbucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1191 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1192
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1193 /* Set the current bucket values and return it! */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1194 bucket->used = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1195 bucket->size = size;
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1196 bucket->dirty = 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1197 #ifdef FBCON_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1198 fprintf(stderr, "Allocated %d bytes at %p\n", bucket->size, bucket->base);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1199 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1200 surfaces_memleft -= size;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1201 surface->flags |= SDL_HWSURFACE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1202 surface->pixels = bucket->base;
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1203 surface->hwdata = (struct private_hwdata *)bucket;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1204 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1205 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1206 static void FB_FreeHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1207 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1208 vidmem_bucket *bucket, *freeable;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1209
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1210 /* Look for the bucket in the current list */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1211 for ( bucket=&surfaces; bucket; bucket=bucket->next ) {
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1212 if ( bucket == (vidmem_bucket *)surface->hwdata ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1213 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1214 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1215 }
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1216 if ( bucket && bucket->used ) {
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1217 /* Add the memory back to the total */
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1218 #ifdef DGA_DEBUG
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1219 printf("Freeing bucket of %d bytes\n", bucket->size);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1220 #endif
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1221 surfaces_memleft += bucket->size;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1222
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1223 /* Can we merge the space with surrounding buckets? */
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1224 bucket->used = 0;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1225 if ( bucket->next && ! bucket->next->used ) {
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1226 #ifdef DGA_DEBUG
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1227 printf("Merging with next bucket, for %d total bytes\n", bucket->size+bucket->next->size);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1228 #endif
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1229 freeable = bucket->next;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1230 bucket->size += bucket->next->size;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1231 bucket->next = bucket->next->next;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1232 if ( bucket->next ) {
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1233 bucket->next->prev = bucket;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1234 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
1235 SDL_free(freeable);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1236 }
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1237 if ( bucket->prev && ! bucket->prev->used ) {
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1238 #ifdef DGA_DEBUG
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1239 printf("Merging with previous bucket, for %d total bytes\n", bucket->prev->size+bucket->size);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1240 #endif
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1241 freeable = bucket;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1242 bucket->prev->size += bucket->size;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1243 bucket->prev->next = bucket->next;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1244 if ( bucket->next ) {
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1245 bucket->next->prev = bucket->prev;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1246 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
1247 SDL_free(freeable);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1248 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1249 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1250 surface->pixels = NULL;
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1251 surface->hwdata = NULL;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1252 }
1585
980d2a0dc2a3 Date: Tue, 4 Mar 2003 15:05:31 -0800
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
1253
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1254 static int FB_LockHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1255 {
1780
7a36f01acf71 Fixed bug #49
Sam Lantinga <slouken@libsdl.org>
parents: 1585
diff changeset
1256 if ( switched_away ) {
7a36f01acf71 Fixed bug #49
Sam Lantinga <slouken@libsdl.org>
parents: 1585
diff changeset
1257 return -2; /* no hardware access */
1585
980d2a0dc2a3 Date: Tue, 4 Mar 2003 15:05:31 -0800
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
1258 }
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1259 if ( surface == this->screen ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1260 SDL_mutexP(hw_lock);
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1261 if ( FB_IsSurfaceBusy(surface) ) {
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1262 FB_WaitBusySurfaces(this);
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1263 }
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1264 } else {
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1265 if ( FB_IsSurfaceBusy(surface) ) {
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1266 FB_WaitBusySurfaces(this);
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1267 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1268 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1269 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1270 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1271 static void FB_UnlockHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1272 {
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1273 if ( surface == this->screen ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1274 SDL_mutexV(hw_lock);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1275 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1276 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1277
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1278 static void FB_WaitVBL(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1279 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1280 #ifdef FBIOWAITRETRACE /* Heheh, this didn't make it into the main kernel */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1281 ioctl(console_fd, FBIOWAITRETRACE, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1282 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1283 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1284 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1285
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1286 static void FB_WaitIdle(_THIS)
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1287 {
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1288 return;
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1289 }
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1290
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1291 static int FB_FlipHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1292 {
1780
7a36f01acf71 Fixed bug #49
Sam Lantinga <slouken@libsdl.org>
parents: 1585
diff changeset
1293 if ( switched_away ) {
7a36f01acf71 Fixed bug #49
Sam Lantinga <slouken@libsdl.org>
parents: 1585
diff changeset
1294 return -2; /* no hardware access */
7a36f01acf71 Fixed bug #49
Sam Lantinga <slouken@libsdl.org>
parents: 1585
diff changeset
1295 }
7a36f01acf71 Fixed bug #49
Sam Lantinga <slouken@libsdl.org>
parents: 1585
diff changeset
1296
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1297 /* Wait for vertical retrace and then flip display */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1298 cache_vinfo.yoffset = flip_page*surface->h;
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1299 if ( FB_IsSurfaceBusy(this->screen) ) {
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1300 FB_WaitBusySurfaces(this);
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1301 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1302 wait_vbl(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1303 if ( ioctl(console_fd, FBIOPAN_DISPLAY, &cache_vinfo) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1304 SDL_SetError("ioctl(FBIOPAN_DISPLAY) failed");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1305 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1306 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1307 flip_page = !flip_page;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1308
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1309 surface->pixels = flip_address[flip_page];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1310 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1311 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1312
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1313 static void FB_DirectUpdate(_THIS, int numrects, SDL_Rect *rects)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1314 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1315 /* The application is already updating the visible video memory */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1316 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1317 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1318
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1319 #ifdef VGA16_FBCON_SUPPORT
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1320 /* Code adapted with thanks from the XFree86 VGA16 driver! :) */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1321 #define writeGr(index, value) \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1322 outb(index, 0x3CE); \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1323 outb(value, 0x3CF);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1324 #define writeSeq(index, value) \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1325 outb(index, 0x3C4); \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1326 outb(value, 0x3C5);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1327
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1328 static void FB_VGA16Update(_THIS, int numrects, SDL_Rect *rects)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1329 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1330 SDL_Surface *screen;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1331 int width, height, FBPitch, left, i, j, SRCPitch, phase;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1332 register Uint32 m;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1333 Uint8 s1, s2, s3, s4;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1334 Uint32 *src, *srcPtr;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1335 Uint8 *dst, *dstPtr;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1336
1780
7a36f01acf71 Fixed bug #49
Sam Lantinga <slouken@libsdl.org>
parents: 1585
diff changeset
1337 if ( switched_away ) {
7a36f01acf71 Fixed bug #49
Sam Lantinga <slouken@libsdl.org>
parents: 1585
diff changeset
1338 return; /* no hardware access */
7a36f01acf71 Fixed bug #49
Sam Lantinga <slouken@libsdl.org>
parents: 1585
diff changeset
1339 }
7a36f01acf71 Fixed bug #49
Sam Lantinga <slouken@libsdl.org>
parents: 1585
diff changeset
1340
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1341 screen = this->screen;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1342 FBPitch = screen->w >> 3;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1343 SRCPitch = screen->pitch >> 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1344
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1345 writeGr(0x03, 0x00);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1346 writeGr(0x05, 0x00);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1347 writeGr(0x01, 0x00);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1348 writeGr(0x08, 0xFF);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1349
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1350 while(numrects--) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1351 left = rects->x & ~7;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1352 width = (rects->w + 7) >> 3;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1353 height = rects->h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1354 src = (Uint32*)screen->pixels + (rects->y * SRCPitch) + (left >> 2);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1355 dst = (Uint8*)mapped_mem + (rects->y * FBPitch) + (left >> 3);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1356
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1357 if((phase = (long)dst & 3L)) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1358 phase = 4 - phase;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1359 if(phase > width) phase = width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1360 width -= phase;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1361 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1362
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1363 while(height--) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1364 writeSeq(0x02, 1 << 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1365 dstPtr = dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1366 srcPtr = src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1367 i = width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1368 j = phase;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1369 while(j--) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1370 m = (srcPtr[1] & 0x01010101) | ((srcPtr[0] & 0x01010101) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1371 *dstPtr++ = (m >> 24) | (m >> 15) | (m >> 6) | (m << 3);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1372 srcPtr += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1373 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1374 while(i >= 4) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1375 m = (srcPtr[1] & 0x01010101) | ((srcPtr[0] & 0x01010101) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1376 s1 = (m >> 24) | (m >> 15) | (m >> 6) | (m << 3);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1377 m = (srcPtr[3] & 0x01010101) | ((srcPtr[2] & 0x01010101) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1378 s2 = (m >> 24) | (m >> 15) | (m >> 6) | (m << 3);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1379 m = (srcPtr[5] & 0x01010101) | ((srcPtr[4] & 0x01010101) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1380 s3 = (m >> 24) | (m >> 15) | (m >> 6) | (m << 3);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1381 m = (srcPtr[7] & 0x01010101) | ((srcPtr[6] & 0x01010101) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1382 s4 = (m >> 24) | (m >> 15) | (m >> 6) | (m << 3);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1383 *((Uint32*)dstPtr) = s1 | (s2 << 8) | (s3 << 16) | (s4 << 24);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1384 srcPtr += 8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1385 dstPtr += 4;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1386 i -= 4;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1387 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1388 while(i--) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1389 m = (srcPtr[1] & 0x01010101) | ((srcPtr[0] & 0x01010101) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1390 *dstPtr++ = (m >> 24) | (m >> 15) | (m >> 6) | (m << 3);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1391 srcPtr += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1392 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1393
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1394 writeSeq(0x02, 1 << 1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1395 dstPtr = dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1396 srcPtr = src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1397 i = width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1398 j = phase;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1399 while(j--) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1400 m = (srcPtr[1] & 0x02020202) | ((srcPtr[0] & 0x02020202) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1401 *dstPtr++ = (m >> 25) | (m >> 16) | (m >> 7) | (m << 2);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1402 srcPtr += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1403 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1404 while(i >= 4) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1405 m = (srcPtr[1] & 0x02020202) | ((srcPtr[0] & 0x02020202) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1406 s1 = (m >> 25) | (m >> 16) | (m >> 7) | (m << 2);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1407 m = (srcPtr[3] & 0x02020202) | ((srcPtr[2] & 0x02020202) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1408 s2 = (m >> 25) | (m >> 16) | (m >> 7) | (m << 2);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1409 m = (srcPtr[5] & 0x02020202) | ((srcPtr[4] & 0x02020202) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1410 s3 = (m >> 25) | (m >> 16) | (m >> 7) | (m << 2);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1411 m = (srcPtr[7] & 0x02020202) | ((srcPtr[6] & 0x02020202) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1412 s4 = (m >> 25) | (m >> 16) | (m >> 7) | (m << 2);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1413 *((Uint32*)dstPtr) = s1 | (s2 << 8) | (s3 << 16) | (s4 << 24);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1414 srcPtr += 8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1415 dstPtr += 4;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1416 i -= 4;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1417 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1418 while(i--) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1419 m = (srcPtr[1] & 0x02020202) | ((srcPtr[0] & 0x02020202) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1420 *dstPtr++ = (m >> 25) | (m >> 16) | (m >> 7) | (m << 2);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1421 srcPtr += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1422 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1423
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1424 writeSeq(0x02, 1 << 2);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1425 dstPtr = dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1426 srcPtr = src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1427 i = width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1428 j = phase;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1429 while(j--) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1430 m = (srcPtr[1] & 0x04040404) | ((srcPtr[0] & 0x04040404) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1431 *dstPtr++ = (m >> 26) | (m >> 17) | (m >> 8) | (m << 1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1432 srcPtr += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1433 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1434 while(i >= 4) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1435 m = (srcPtr[1] & 0x04040404) | ((srcPtr[0] & 0x04040404) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1436 s1 = (m >> 26) | (m >> 17) | (m >> 8) | (m << 1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1437 m = (srcPtr[3] & 0x04040404) | ((srcPtr[2] & 0x04040404) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1438 s2 = (m >> 26) | (m >> 17) | (m >> 8) | (m << 1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1439 m = (srcPtr[5] & 0x04040404) | ((srcPtr[4] & 0x04040404) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1440 s3 = (m >> 26) | (m >> 17) | (m >> 8) | (m << 1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1441 m = (srcPtr[7] & 0x04040404) | ((srcPtr[6] & 0x04040404) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1442 s4 = (m >> 26) | (m >> 17) | (m >> 8) | (m << 1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1443 *((Uint32*)dstPtr) = s1 | (s2 << 8) | (s3 << 16) | (s4 << 24);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1444 srcPtr += 8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1445 dstPtr += 4;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1446 i -= 4;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1447 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1448 while(i--) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1449 m = (srcPtr[1] & 0x04040404) | ((srcPtr[0] & 0x04040404) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1450 *dstPtr++ = (m >> 26) | (m >> 17) | (m >> 8) | (m << 1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1451 srcPtr += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1452 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1453
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1454 writeSeq(0x02, 1 << 3);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1455 dstPtr = dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1456 srcPtr = src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1457 i = width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1458 j = phase;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1459 while(j--) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1460 m = (srcPtr[1] & 0x08080808) | ((srcPtr[0] & 0x08080808) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1461 *dstPtr++ = (m >> 27) | (m >> 18) | (m >> 9) | m;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1462 srcPtr += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1463 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1464 while(i >= 4) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1465 m = (srcPtr[1] & 0x08080808) | ((srcPtr[0] & 0x08080808) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1466 s1 = (m >> 27) | (m >> 18) | (m >> 9) | m;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1467 m = (srcPtr[3] & 0x08080808) | ((srcPtr[2] & 0x08080808) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1468 s2 = (m >> 27) | (m >> 18) | (m >> 9) | m;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1469 m = (srcPtr[5] & 0x08080808) | ((srcPtr[4] & 0x08080808) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1470 s3 = (m >> 27) | (m >> 18) | (m >> 9) | m;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1471 m = (srcPtr[7] & 0x08080808) | ((srcPtr[6] & 0x08080808) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1472 s4 = (m >> 27) | (m >> 18) | (m >> 9) | m;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1473 *((Uint32*)dstPtr) = s1 | (s2 << 8) | (s3 << 16) | (s4 << 24);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1474 srcPtr += 8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1475 dstPtr += 4;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1476 i -= 4;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1477 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1478 while(i--) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1479 m = (srcPtr[1] & 0x08080808) | ((srcPtr[0] & 0x08080808) << 4);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1480 *dstPtr++ = (m >> 27) | (m >> 18) | (m >> 9) | m;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1481 srcPtr += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1482 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1483
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1484 dst += FBPitch;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1485 src += SRCPitch;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1486 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1487 rects++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1488 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1489 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1490 #endif /* VGA16_FBCON_SUPPORT */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1491
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1492 void FB_SavePaletteTo(_THIS, int palette_len, __u16 *area)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1493 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1494 struct fb_cmap cmap;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1495
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1496 cmap.start = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1497 cmap.len = palette_len;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1498 cmap.red = &area[0*palette_len];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1499 cmap.green = &area[1*palette_len];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1500 cmap.blue = &area[2*palette_len];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1501 cmap.transp = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1502 ioctl(console_fd, FBIOGETCMAP, &cmap);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1503 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1504
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1505 void FB_RestorePaletteFrom(_THIS, int palette_len, __u16 *area)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1506 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1507 struct fb_cmap cmap;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1508
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1509 cmap.start = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1510 cmap.len = palette_len;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1511 cmap.red = &area[0*palette_len];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1512 cmap.green = &area[1*palette_len];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1513 cmap.blue = &area[2*palette_len];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1514 cmap.transp = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1515 ioctl(console_fd, FBIOPUTCMAP, &cmap);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1516 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1517
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1518 static void FB_SavePalette(_THIS, struct fb_fix_screeninfo *finfo,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1519 struct fb_var_screeninfo *vinfo)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1520 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1521 int i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1522
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1523 /* Save hardware palette, if needed */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1524 if ( finfo->visual == FB_VISUAL_PSEUDOCOLOR ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1525 saved_cmaplen = 1<<vinfo->bits_per_pixel;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
1526 saved_cmap=(__u16 *)SDL_malloc(3*saved_cmaplen*sizeof(*saved_cmap));
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1527 if ( saved_cmap != NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1528 FB_SavePaletteTo(this, saved_cmaplen, saved_cmap);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1529 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1530 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1531
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1532 /* Added support for FB_VISUAL_DIRECTCOLOR.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1533 With this mode pixel information is passed through the palette...
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1534 Neat fading and gamma correction effects can be had by simply
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1535 fooling around with the palette instead of changing the pixel
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1536 values themselves... Very neat!
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1537
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1538 Adam Meyerowitz 1/19/2000
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1539 ameyerow@optonline.com
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1540 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1541 if ( finfo->visual == FB_VISUAL_DIRECTCOLOR ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1542 __u16 new_entries[3*256];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1543
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1544 /* Save the colormap */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1545 saved_cmaplen = 256;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
1546 saved_cmap=(__u16 *)SDL_malloc(3*saved_cmaplen*sizeof(*saved_cmap));
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1547 if ( saved_cmap != NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1548 FB_SavePaletteTo(this, saved_cmaplen, saved_cmap);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1549 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1550
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1551 /* Allocate new identity colormap */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1552 for ( i=0; i<256; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1553 new_entries[(0*256)+i] =
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1554 new_entries[(1*256)+i] =
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1555 new_entries[(2*256)+i] = (i<<8)|i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1556 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1557 FB_RestorePaletteFrom(this, 256, new_entries);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1558 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1559 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1560
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1561 static void FB_RestorePalette(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1562 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1563 /* Restore the original palette */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1564 if ( saved_cmap ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1565 FB_RestorePaletteFrom(this, saved_cmaplen, saved_cmap);
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
1566 SDL_free(saved_cmap);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1567 saved_cmap = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1568 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1569 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1570
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1571 static int FB_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1572 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1573 int i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1574 __u16 r[256];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1575 __u16 g[256];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1576 __u16 b[256];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1577 struct fb_cmap cmap;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1578
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1579 /* Set up the colormap */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1580 for (i = 0; i < ncolors; i++) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1581 r[i] = colors[i].r << 8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1582 g[i] = colors[i].g << 8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1583 b[i] = colors[i].b << 8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1584 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1585 cmap.start = firstcolor;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1586 cmap.len = ncolors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1587 cmap.red = r;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1588 cmap.green = g;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1589 cmap.blue = b;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1590 cmap.transp = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1591
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1592 if( (ioctl(console_fd, FBIOPUTCMAP, &cmap) < 0) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1593 !(this->screen->flags & SDL_HWPALETTE) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1594 colors = this->screen->format->palette->colors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1595 ncolors = this->screen->format->palette->ncolors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1596 cmap.start = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1597 cmap.len = ncolors;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
1598 SDL_memset(r, 0, sizeof(r));
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
1599 SDL_memset(g, 0, sizeof(g));
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
1600 SDL_memset(b, 0, sizeof(b));
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1601 if ( ioctl(console_fd, FBIOGETCMAP, &cmap) == 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1602 for ( i=ncolors-1; i>=0; --i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1603 colors[i].r = (r[i]>>8);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1604 colors[i].g = (g[i]>>8);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1605 colors[i].b = (b[i]>>8);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1606 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1607 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1608 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1609 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1610 return(1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1611 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1612
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1613 /* Note: If we are terminated, this could be called in the middle of
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1614 another SDL video routine -- notably UpdateRects.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1615 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1616 static void FB_VideoQuit(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1617 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1618 int i, j;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1619
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1620 if ( this->screen ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1621 /* Clear screen and tell SDL not to free the pixels */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1622 if ( this->screen->pixels && FB_InGraphicsMode(this) ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
1623 #if defined(__powerpc__) || defined(__ia64__) /* SIGBUS when using SDL_memset() ?? */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1624 Uint8 *rowp = (Uint8 *)this->screen->pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1625 int left = this->screen->pitch*this->screen->h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1626 while ( left-- ) { *rowp++ = 0; }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1627 #else
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
1628 SDL_memset(this->screen->pixels,0,this->screen->h*this->screen->pitch);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1629 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1630 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1631 /* This test fails when using the VGA16 shadow memory */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1632 if ( ((char *)this->screen->pixels >= mapped_mem) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1633 ((char *)this->screen->pixels < (mapped_mem+mapped_memlen)) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1634 this->screen->pixels = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1635 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1636 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1637
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1638 /* Clear the lock mutex */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1639 if ( hw_lock ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1640 SDL_DestroyMutex(hw_lock);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1641 hw_lock = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1642 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1643
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1644 /* Clean up defined video modes */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1645 for ( i=0; i<NUM_MODELISTS; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1646 if ( SDL_modelist[i] != NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1647 for ( j=0; SDL_modelist[i][j]; ++j ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
1648 SDL_free(SDL_modelist[i][j]);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1649 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
1650 SDL_free(SDL_modelist[i]);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1651 SDL_modelist[i] = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1652 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1653 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1654
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1655 /* Clean up the memory bucket list */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1656 FB_FreeHWSurfaces(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1657
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1658 /* Close console and input file descriptors */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1659 if ( console_fd > 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1660 /* Unmap the video framebuffer and I/O registers */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1661 if ( mapped_mem ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1662 munmap(mapped_mem, mapped_memlen);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1663 mapped_mem = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1664 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1665 if ( mapped_io ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1666 munmap(mapped_io, mapped_iolen);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1667 mapped_io = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1668 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1669
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1670 /* Restore the original video mode and palette */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1671 if ( FB_InGraphicsMode(this) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1672 FB_RestorePalette(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1673 ioctl(console_fd, FBIOPUT_VSCREENINFO, &saved_vinfo);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1674 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1675
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1676 /* We're all done with the framebuffer */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1677 close(console_fd);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1678 console_fd = -1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1679 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1680 FB_CloseMouse(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1681 FB_CloseKeyboard(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1682 }