annotate src/video/dga/SDL_dgavideo.c @ 1306:0c105755b110

Changed references to XFree86 to Xext to match change in directory structure. Reference Bugzilla #116.
author Ryan C. Gordon <icculus@icculus.org>
date Tue, 31 Jan 2006 18:39:32 +0000
parents 045f186426e1
children c9b51268668f
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* DGA 2.0 based SDL video driver implementation.
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29 */
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30
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31 #include <stdlib.h>
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32 #include <string.h>
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33 #include <X11/Xlib.h>
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34 #include <Xext/extensions/xf86dga.h>
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35
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36 #ifdef HAVE_ALLOCA_H
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37 #include <alloca.h>
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38 #endif
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39
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40 #include "SDL.h"
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41 #include "SDL_error.h"
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42 #include "SDL_video.h"
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43 #include "SDL_mouse.h"
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44 #include "SDL_sysvideo.h"
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45 #include "SDL_pixels_c.h"
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46 #include "SDL_events_c.h"
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47 #include "SDL_dgavideo.h"
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48 #include "SDL_dgamouse_c.h"
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49 #include "SDL_dgaevents_c.h"
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50
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51 /* get function pointers... */
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52 #include "../x11/SDL_x11dyn.h"
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53
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54 /* Initialization/Query functions */
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55 static int DGA_VideoInit(_THIS, SDL_PixelFormat *vformat);
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56 static SDL_Rect **DGA_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
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57 static SDL_Surface *DGA_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
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58 static int DGA_SetColors(_THIS, int firstcolor, int ncolors,
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59 SDL_Color *colors);
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60 static int DGA_SetGammaRamp(_THIS, Uint16 *ramp);
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61 static void DGA_VideoQuit(_THIS);
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62
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63 /* Hardware surface functions */
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64 static int DGA_InitHWSurfaces(_THIS, SDL_Surface *screen, Uint8 *base, int size);
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65 static void DGA_FreeHWSurfaces(_THIS);
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66 static int DGA_AllocHWSurface(_THIS, SDL_Surface *surface);
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67 static int DGA_FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color);
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68 static int DGA_CheckHWBlit(_THIS, SDL_Surface *src, SDL_Surface *dst);
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69 static int DGA_LockHWSurface(_THIS, SDL_Surface *surface);
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70 static void DGA_UnlockHWSurface(_THIS, SDL_Surface *surface);
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71 static void DGA_FreeHWSurface(_THIS, SDL_Surface *surface);
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72 static int DGA_FlipHWSurface(_THIS, SDL_Surface *surface);
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73
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74 /* DGA driver bootstrap functions */
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75
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76 static int DGA_Available(void)
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77 {
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78 const char *display = NULL;
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79 Display *dpy = NULL;
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80 int available = 0;
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81
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82 /* The driver is available is available if the display is local
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83 and the DGA 2.0+ extension is available, and we can map mem.
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84 */
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85 if ( SDL_X11_LoadSymbols() ) {
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86 if ( (strncmp(pXDisplayName(display), ":", 1) == 0) ||
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87 (strncmp(pXDisplayName(display), "unix:", 5) == 0) ) {
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88 dpy = pXOpenDisplay(display);
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89 if ( dpy ) {
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90 int events, errors, major, minor;
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91
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92 if ( SDL_NAME(XDGAQueryExtension)(dpy, &events, &errors) &&
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93 SDL_NAME(XDGAQueryVersion)(dpy, &major, &minor) ) {
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94 int screen;
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95
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96 screen = DefaultScreen(dpy);
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97 if ( (major >= 2) &&
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98 SDL_NAME(XDGAOpenFramebuffer)(dpy, screen) ) {
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99 available = 1;
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100 SDL_NAME(XDGACloseFramebuffer)(dpy, screen);
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101 }
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102 }
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103 pXCloseDisplay(dpy);
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104 }
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105 }
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106 SDL_X11_UnloadSymbols();
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107 }
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108 return(available);
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109 }
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110
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111 static void DGA_DeleteDevice(SDL_VideoDevice *device)
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112 {
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113 if (device != NULL) {
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114 free(device->hidden);
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115 free(device);
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116 SDL_X11_UnloadSymbols();
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117 }
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118 }
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119
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120 static SDL_VideoDevice *DGA_CreateDevice(int devindex)
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121 {
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122 SDL_VideoDevice *device = NULL;
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123
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124 /* Initialize all variables that we clean on shutdown */
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125 if (SDL_X11_LoadSymbols()) {
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126 device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice));
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127 if ( device ) {
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128 memset(device, 0, (sizeof *device));
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129 device->hidden = (struct SDL_PrivateVideoData *)
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130 malloc((sizeof *device->hidden));
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131 }
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132 if ( (device == NULL) || (device->hidden == NULL) ) {
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133 SDL_OutOfMemory();
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134 if ( device ) {
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135 free(device);
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136 }
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137 SDL_X11_UnloadSymbols();
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138 return(0);
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139 }
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140 memset(device->hidden, 0, (sizeof *device->hidden));
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141
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142 /* Set the function pointers */
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143 device->VideoInit = DGA_VideoInit;
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144 device->ListModes = DGA_ListModes;
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145 device->SetVideoMode = DGA_SetVideoMode;
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146 device->SetColors = DGA_SetColors;
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147 device->UpdateRects = NULL;
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148 device->VideoQuit = DGA_VideoQuit;
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149 device->AllocHWSurface = DGA_AllocHWSurface;
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150 device->CheckHWBlit = DGA_CheckHWBlit;
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151 device->FillHWRect = DGA_FillHWRect;
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152 device->SetHWColorKey = NULL;
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153 device->SetHWAlpha = NULL;
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154 device->LockHWSurface = DGA_LockHWSurface;
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155 device->UnlockHWSurface = DGA_UnlockHWSurface;
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156 device->FlipHWSurface = DGA_FlipHWSurface;
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157 device->FreeHWSurface = DGA_FreeHWSurface;
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158 device->SetGammaRamp = DGA_SetGammaRamp;
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159 device->GetGammaRamp = NULL;
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160 device->SetCaption = NULL;
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161 device->SetIcon = NULL;
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162 device->IconifyWindow = NULL;
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163 device->GrabInput = NULL;
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164 device->GetWMInfo = NULL;
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165 device->InitOSKeymap = DGA_InitOSKeymap;
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166 device->PumpEvents = DGA_PumpEvents;
0
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167
1168
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168 device->free = DGA_DeleteDevice;
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169 }
0
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170
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171 return device;
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172 }
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173
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174 VideoBootStrap DGA_bootstrap = {
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175 "dga", "XFree86 DGA 2.0",
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176 DGA_Available, DGA_CreateDevice
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177 };
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178
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179 static int DGA_AddMode(_THIS, int bpp, int w, int h)
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180 {
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181 SDL_Rect *mode;
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182 int i, index;
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183 int next_mode;
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184
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185 /* Check to see if we already have this mode */
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186 if ( bpp < 8 ) { /* Not supported */
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187 return(0);
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188 }
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189 index = ((bpp+7)/8)-1;
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190 for ( i=0; i<SDL_nummodes[index]; ++i ) {
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191 mode = SDL_modelist[index][i];
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192 if ( (mode->w == w) && (mode->h == h) ) {
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diff changeset
193 return(0);
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194 }
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195 }
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196
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diff changeset
197 /* Set up the new video mode rectangle */
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diff changeset
198 mode = (SDL_Rect *)malloc(sizeof *mode);
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199 if ( mode == NULL ) {
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200 SDL_OutOfMemory();
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201 return(-1);
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diff changeset
202 }
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203 mode->x = 0;
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204 mode->y = 0;
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diff changeset
205 mode->w = w;
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diff changeset
206 mode->h = h;
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diff changeset
207
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diff changeset
208 /* Allocate the new list of modes, and fill in the new mode */
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diff changeset
209 next_mode = SDL_nummodes[index];
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diff changeset
210 SDL_modelist[index] = (SDL_Rect **)
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211 realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *));
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diff changeset
212 if ( SDL_modelist[index] == NULL ) {
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diff changeset
213 SDL_OutOfMemory();
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diff changeset
214 SDL_nummodes[index] = 0;
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diff changeset
215 free(mode);
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216 return(-1);
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diff changeset
217 }
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218 SDL_modelist[index][next_mode] = mode;
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219 SDL_modelist[index][next_mode+1] = NULL;
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220 SDL_nummodes[index]++;
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diff changeset
221
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222 return(0);
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223 }
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224
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225 /* This whole function is a hack. :) */
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diff changeset
226 static Uint32 get_video_size(_THIS)
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diff changeset
227 {
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228 /* This is a non-exported function from libXxf86dga.a */
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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parents: 252
diff changeset
229 extern unsigned char *SDL_NAME(XDGAGetMappedMemory)(int screen);
0
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230 FILE *proc;
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diff changeset
231 unsigned long mem;
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parents:
diff changeset
232 unsigned start, stop;
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diff changeset
233 char line[BUFSIZ];
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diff changeset
234 Uint32 size;
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diff changeset
235
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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parents: 252
diff changeset
236 mem = (unsigned long)SDL_NAME(XDGAGetMappedMemory)(DGA_Screen);
0
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diff changeset
237 size = 0;
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diff changeset
238 proc = fopen("/proc/self/maps", "r");
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parents:
diff changeset
239 if ( proc ) {
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parents:
diff changeset
240 while ( fgets(line, sizeof(line)-1, proc) ) {
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parents:
diff changeset
241 sscanf(line, "%x-%x", &start, &stop);
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parents:
diff changeset
242 if ( start == mem ) {
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parents:
diff changeset
243 size = (Uint32)((stop-start)/1024);
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parents:
diff changeset
244 break;
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parents:
diff changeset
245 }
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diff changeset
246 }
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parents:
diff changeset
247 fclose(proc);
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parents:
diff changeset
248 }
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diff changeset
249 return(size);
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parents:
diff changeset
250 }
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diff changeset
251
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parents:
diff changeset
252 #ifdef DGA_DEBUG
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
253 static void PrintMode(SDL_NAME(XDGAMode) *mode)
0
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diff changeset
254 {
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diff changeset
255 printf("Mode: %s (%dx%d) at %d bpp (%f refresh, %d pitch) num: %d\n",
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parents:
diff changeset
256 mode->name,
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diff changeset
257 mode->viewportWidth, mode->viewportHeight,
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parents:
diff changeset
258 mode->depth == 24 ? mode->bitsPerPixel : mode->depth,
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parents:
diff changeset
259 mode->verticalRefresh, mode->bytesPerScanline, mode->num);
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parents:
diff changeset
260 printf("\tRGB: 0x%8.8x 0x%8.8x 0x%8.8x (%d - %s)\n",
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parents:
diff changeset
261 mode->redMask, mode->greenMask, mode->blueMask,
74212992fb08 Initial revision
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parents:
diff changeset
262 mode->visualClass,
74212992fb08 Initial revision
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parents:
diff changeset
263 mode->visualClass == TrueColor ? "truecolor" :
74212992fb08 Initial revision
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parents:
diff changeset
264 mode->visualClass == DirectColor ? "directcolor" :
74212992fb08 Initial revision
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parents:
diff changeset
265 mode->visualClass == PseudoColor ? "pseudocolor" : "unknown");
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parents:
diff changeset
266 printf("\tFlags: ");
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parents:
diff changeset
267 if ( mode->flags & XDGAConcurrentAccess )
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parents:
diff changeset
268 printf(" XDGAConcurrentAccess");
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parents:
diff changeset
269 if ( mode->flags & XDGASolidFillRect )
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parents:
diff changeset
270 printf(" XDGASolidFillRect");
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parents:
diff changeset
271 if ( mode->flags & XDGABlitRect )
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parents:
diff changeset
272 printf(" XDGABlitRect");
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parents:
diff changeset
273 if ( mode->flags & XDGABlitTransRect )
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parents:
diff changeset
274 printf(" XDGABlitTransRect");
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parents:
diff changeset
275 if ( mode->flags & XDGAPixmap )
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parents:
diff changeset
276 printf(" XDGAPixmap");
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parents:
diff changeset
277 if ( mode->flags & XDGAInterlaced )
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parents:
diff changeset
278 printf(" XDGAInterlaced");
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parents:
diff changeset
279 if ( mode->flags & XDGADoublescan )
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parents:
diff changeset
280 printf(" XDGADoublescan");
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parents:
diff changeset
281 if ( mode->viewportFlags & XDGAFlipRetrace )
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parents:
diff changeset
282 printf(" XDGAFlipRetrace");
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parents:
diff changeset
283 if ( mode->viewportFlags & XDGAFlipImmediate )
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parents:
diff changeset
284 printf(" XDGAFlipImmediate");
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parents:
diff changeset
285 printf("\n");
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parents:
diff changeset
286 }
74212992fb08 Initial revision
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parents:
diff changeset
287 #endif /* DGA_DEBUG */
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parents:
diff changeset
288
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diff changeset
289 static int cmpmodes(const void *va, const void *vb)
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parents:
diff changeset
290 {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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parents: 252
diff changeset
291 const SDL_NAME(XDGAMode) *a = (const SDL_NAME(XDGAMode) *)va;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
292 const SDL_NAME(XDGAMode) *b = (const SDL_NAME(XDGAMode) *)vb;
0
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parents:
diff changeset
293
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parents:
diff changeset
294 /* Prefer DirectColor visuals for otherwise equal modes */
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parents:
diff changeset
295 if ( (a->viewportWidth == b->viewportWidth) &&
74212992fb08 Initial revision
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parents:
diff changeset
296 (b->viewportHeight == a->viewportHeight) ) {
966
f72cc0c7305f Video modes are sorted width first, then height
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
297 if ( a->visualClass == DirectColor )
f72cc0c7305f Video modes are sorted width first, then height
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
298 return -1;
f72cc0c7305f Video modes are sorted width first, then height
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
299 if ( b->visualClass == DirectColor )
f72cc0c7305f Video modes are sorted width first, then height
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
300 return 1;
f72cc0c7305f Video modes are sorted width first, then height
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
301 return 0;
f72cc0c7305f Video modes are sorted width first, then height
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
302 } else if ( a->viewportWidth == b->viewportWidth ) {
f72cc0c7305f Video modes are sorted width first, then height
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
303 return b->viewportHeight - a->viewportHeight;
0
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parents:
diff changeset
304 } else {
966
f72cc0c7305f Video modes are sorted width first, then height
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
305 return b->viewportWidth - a->viewportWidth;
0
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parents:
diff changeset
306 }
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parents:
diff changeset
307 }
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
308 static void UpdateHWInfo(_THIS, SDL_NAME(XDGAMode) *mode)
0
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
309 {
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parents:
diff changeset
310 this->info.wm_available = 0;
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parents:
diff changeset
311 this->info.hw_available = 1;
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parents:
diff changeset
312 if ( mode->flags & XDGABlitRect ) {
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parents:
diff changeset
313 this->info.blit_hw = 1;
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parents:
diff changeset
314 } else {
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parents:
diff changeset
315 this->info.blit_hw = 0;
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parents:
diff changeset
316 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
317 if ( mode->flags & XDGABlitTransRect ) {
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parents:
diff changeset
318 this->info.blit_hw_CC = 1;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
319 } else {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
320 this->info.blit_hw_CC = 0;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
321 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
322 if ( mode->flags & XDGASolidFillRect ) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
323 this->info.blit_fill = 1;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
324 } else {
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parents:
diff changeset
325 this->info.blit_fill = 0;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
326 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
327 this->info.video_mem = get_video_size(this);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
328 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
329
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parents:
diff changeset
330 static int DGA_VideoInit(_THIS, SDL_PixelFormat *vformat)
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parents:
diff changeset
331 {
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parents:
diff changeset
332 const char *display;
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parents:
diff changeset
333 int event_base, error_base;
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parents:
diff changeset
334 int major_version, minor_version;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
335 Visual *visual;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
336 SDL_NAME(XDGAMode) *modes;
0
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parents:
diff changeset
337 int i, num_modes;
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parents:
diff changeset
338
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parents:
diff changeset
339 /* Open the X11 display */
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parents:
diff changeset
340 display = NULL; /* Get it from DISPLAY environment variable */
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parents:
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341
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 966
diff changeset
342 DGA_Display = pXOpenDisplay(display);
0
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parents:
diff changeset
343 if ( DGA_Display == NULL ) {
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parents:
diff changeset
344 SDL_SetError("Couldn't open X11 display");
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parents:
diff changeset
345 return(-1);
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parents:
diff changeset
346 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
347
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parents:
diff changeset
348 /* Check for the DGA extension */
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
349 if ( ! SDL_NAME(XDGAQueryExtension)(DGA_Display, &event_base, &error_base) ||
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
350 ! SDL_NAME(XDGAQueryVersion)(DGA_Display, &major_version, &minor_version) ) {
0
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
351 SDL_SetError("DGA extension not available");
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 966
diff changeset
352 pXCloseDisplay(DGA_Display);
0
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
353 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
354 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
355 if ( major_version < 2 ) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
356 SDL_SetError("DGA driver requires DGA 2.0 or newer");
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 966
diff changeset
357 pXCloseDisplay(DGA_Display);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
358 return(-1);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
359 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
360 DGA_event_base = event_base;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
361
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
362 /* Determine the current screen depth */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
363 visual = DefaultVisual(DGA_Display, DGA_Screen);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
364 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
365 XPixmapFormatValues *pix_format;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
366 int i, num_formats;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
367
74212992fb08 Initial revision
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parents:
diff changeset
368 vformat->BitsPerPixel = DefaultDepth(DGA_Display, DGA_Screen);
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 966
diff changeset
369 pix_format = pXListPixmapFormats(DGA_Display, &num_formats);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
370 if ( pix_format == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
371 SDL_SetError("Couldn't determine screen formats");
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 966
diff changeset
372 pXCloseDisplay(DGA_Display);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
373 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
374 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
375 for ( i=0; i<num_formats; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
376 if ( vformat->BitsPerPixel == pix_format[i].depth )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
377 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
378 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
379 if ( i != num_formats )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
380 vformat->BitsPerPixel = pix_format[i].bits_per_pixel;
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 966
diff changeset
381 pXFree((char *)pix_format);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
382 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
383 if ( vformat->BitsPerPixel > 8 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
384 vformat->Rmask = visual->red_mask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
385 vformat->Gmask = visual->green_mask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
386 vformat->Bmask = visual->blue_mask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
387 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
388
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
389 /* Open access to the framebuffer */
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
390 if ( ! SDL_NAME(XDGAOpenFramebuffer)(DGA_Display, DGA_Screen) ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
391 SDL_SetError("Unable to map the video memory");
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 966
diff changeset
392 pXCloseDisplay(DGA_Display);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
393 return(-1);
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 /* Query for the list of available video modes */
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
397 modes = SDL_NAME(XDGAQueryModes)(DGA_Display, DGA_Screen, &num_modes);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
398 qsort(modes, num_modes, sizeof *modes, cmpmodes);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
399 for ( i=0; i<num_modes; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
400 #ifdef DGA_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
401 PrintMode(&modes[i]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
402 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
403 if ( (modes[i].visualClass == PseudoColor) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
404 (modes[i].visualClass == DirectColor) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
405 (modes[i].visualClass == TrueColor) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
406 DGA_AddMode(this, modes[i].bitsPerPixel,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
407 modes[i].viewportWidth,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
408 modes[i].viewportHeight);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
409 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
410 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
411 UpdateHWInfo(this, modes);
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 966
diff changeset
412 pXFree(modes);
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 /* Create the hardware surface lock mutex */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
415 hw_lock = SDL_CreateMutex();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
416 if ( hw_lock == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
417 SDL_SetError("Unable to create lock mutex");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
418 DGA_VideoQuit(this);
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
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
422 #ifdef LOCK_DGA_DISPLAY
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
423 /* Create the event lock so we're thread-safe.. :-/ */
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
424 event_lock = SDL_CreateMutex();
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
425 #endif /* LOCK_DGA_DISPLAY */
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
426
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
427 /* We're done! */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
428 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
429 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
430
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
431 SDL_Rect **DGA_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
432 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
433 return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
434 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
435
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
436 /* Various screen update functions available */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
437 static void DGA_DirectUpdate(_THIS, int numrects, SDL_Rect *rects);
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_Surface *DGA_SetVideoMode(_THIS, SDL_Surface *current,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
440 int width, int height, int bpp, Uint32 flags)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
441 {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
442 SDL_NAME(XDGAMode) *modes;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
443 int i, num_modes;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
444 SDL_NAME(XDGADevice) *mode;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
445 int screen_len;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
446 Uint8 *surfaces_mem;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
447 int surfaces_len;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
448
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
449 /* Free any previous colormap */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
450 if ( DGA_colormap ) {
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 966
diff changeset
451 pXFreeColormap(DGA_Display, DGA_colormap);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
452 DGA_colormap = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
453 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
454
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
455 /* Search for a matching video mode */
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
456 modes = SDL_NAME(XDGAQueryModes)(DGA_Display, DGA_Screen, &num_modes);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
457 qsort(modes, num_modes, sizeof *modes, cmpmodes);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
458 for ( i=0; i<num_modes; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
459 int depth;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
460
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
461
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
462 depth = modes[i].depth;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
463 if ( depth == 24 ) { /* Distinguish between 24 and 32 bpp */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
464 depth = modes[i].bitsPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
465 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
466 if ( (depth == bpp) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
467 (modes[i].viewportWidth == width) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
468 (modes[i].viewportHeight == height) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
469 ((modes[i].visualClass == PseudoColor) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
470 (modes[i].visualClass == DirectColor) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
471 (modes[i].visualClass == TrueColor)) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
472 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
473 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
474 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
475 if ( i == num_modes ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
476 SDL_SetError("No matching video mode found");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
477 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
478 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
479
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
480 /* Set the video mode */
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
481 mode = SDL_NAME(XDGASetMode)(DGA_Display, DGA_Screen, modes[i].num);
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 966
diff changeset
482 pXFree(modes);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
483 if ( mode == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
484 SDL_SetError("Unable to switch to requested mode");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
485 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
486 }
559
b528214c8c9a Fixed invalid memory access in DGA video driver (thanks ldb!)
Sam Lantinga <slouken@libsdl.org>
parents: 540
diff changeset
487 DGA_visualClass = mode->mode.visualClass;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
488 memory_base = (Uint8 *)mode->data;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
489 memory_pitch = mode->mode.bytesPerScanline;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
490
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
491 /* Set up the new mode framebuffer */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
492 current->flags = (SDL_FULLSCREEN|SDL_HWSURFACE);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
493 current->w = mode->mode.viewportWidth;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
494 current->h = mode->mode.viewportHeight;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
495 current->pitch = memory_pitch;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
496 current->pixels = memory_base;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
497 if ( ! SDL_ReallocFormat(current, mode->mode.bitsPerPixel,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
498 mode->mode.redMask,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
499 mode->mode.greenMask,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
500 mode->mode.blueMask, 0) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
501 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
502 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
503 screen_len = current->h*current->pitch;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
504
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
505 /* Create a colormap if necessary */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
506 if ( (DGA_visualClass == PseudoColor) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
507 (DGA_visualClass == DirectColor) ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
508 DGA_colormap = SDL_NAME(XDGACreateColormap)(DGA_Display, DGA_Screen,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
509 mode, AllocAll);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
510 if ( DGA_visualClass == PseudoColor ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
511 current->flags |= SDL_HWPALETTE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
512 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
513 /* Initialize the colormap to the identity mapping */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
514 SDL_GetGammaRamp(0, 0, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
515 this->screen = current;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
516 DGA_SetGammaRamp(this, this->gamma);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
517 this->screen = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
518 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
519 } else {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
520 DGA_colormap = SDL_NAME(XDGACreateColormap)(DGA_Display, DGA_Screen,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
521 mode, AllocNone);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
522 }
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
523 SDL_NAME(XDGAInstallColormap)(DGA_Display, DGA_Screen, DGA_colormap);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
524
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
525 /* Update the hardware capabilities */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
526 UpdateHWInfo(this, &mode->mode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
527
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
528 /* Set up the information for hardware surfaces */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
529 surfaces_mem = (Uint8 *)current->pixels + screen_len;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
530 surfaces_len = (mode->mode.imageHeight*current->pitch - screen_len);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
531
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
532 /* Update for double-buffering, if we can */
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
533 SDL_NAME(XDGASetViewport)(DGA_Display, DGA_Screen, 0, 0, XDGAFlipRetrace);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
534 if ( flags & SDL_DOUBLEBUF ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
535 if ( mode->mode.imageHeight >= (current->h*2) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
536 current->flags |= SDL_DOUBLEBUF;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
537 flip_page = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
538 flip_yoffset[0] = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
539 flip_yoffset[1] = current->h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
540 flip_address[0] = memory_base;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
541 flip_address[1] = memory_base+screen_len;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
542 surfaces_mem += screen_len;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
543 surfaces_len -= screen_len;
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 /* Allocate memory tracking for hardware surfaces */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
548 DGA_FreeHWSurfaces(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
549 if ( surfaces_len < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
550 surfaces_len = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
551 }
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
552 DGA_InitHWSurfaces(this, current, surfaces_mem, surfaces_len);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
553
202
401f0134f4f9 Fixed crash when using double-buffering with DGA
Sam Lantinga <slouken@libsdl.org>
parents: 105
diff changeset
554 /* Expose the back buffer as surface memory */
401f0134f4f9 Fixed crash when using double-buffering with DGA
Sam Lantinga <slouken@libsdl.org>
parents: 105
diff changeset
555 if ( current->flags & SDL_DOUBLEBUF ) {
401f0134f4f9 Fixed crash when using double-buffering with DGA
Sam Lantinga <slouken@libsdl.org>
parents: 105
diff changeset
556 this->screen = current;
401f0134f4f9 Fixed crash when using double-buffering with DGA
Sam Lantinga <slouken@libsdl.org>
parents: 105
diff changeset
557 DGA_FlipHWSurface(this, current);
401f0134f4f9 Fixed crash when using double-buffering with DGA
Sam Lantinga <slouken@libsdl.org>
parents: 105
diff changeset
558 this->screen = NULL;
401f0134f4f9 Fixed crash when using double-buffering with DGA
Sam Lantinga <slouken@libsdl.org>
parents: 105
diff changeset
559 }
401f0134f4f9 Fixed crash when using double-buffering with DGA
Sam Lantinga <slouken@libsdl.org>
parents: 105
diff changeset
560
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
561 /* Set the update rectangle function */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
562 this->UpdateRects = DGA_DirectUpdate;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
563
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
564 /* Enable mouse and keyboard support */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
565 { long input_mask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
566 input_mask = (KeyPressMask | KeyReleaseMask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
567 input_mask |= (ButtonPressMask | ButtonReleaseMask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
568 input_mask |= PointerMotionMask;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
569 SDL_NAME(XDGASelectInput)(DGA_Display, DGA_Screen, input_mask);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
570 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
571
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
572 /* We're done */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
573 return(current);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
574 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
575
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
576 #ifdef DGA_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
577 static void DGA_DumpHWSurfaces(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
578 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
579 vidmem_bucket *bucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
580
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
581 printf("Memory left: %d (%d total)\n", surfaces_memleft, surfaces_memtotal);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
582 printf("\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
583 printf(" Base Size\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
584 for ( bucket=&surfaces; bucket; bucket=bucket->next ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
585 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
586 if ( bucket->prev ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
587 if ( bucket->base != bucket->prev->base+bucket->prev->size ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
588 printf("Warning, corrupt bucket list! (prev)\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
589 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
590 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
591 if ( bucket != &surfaces ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
592 printf("Warning, corrupt bucket list! (!prev)\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
593 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
594 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
595 if ( bucket->next ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
596 if ( bucket->next->base != bucket->base+bucket->size ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
597 printf("Warning, corrupt bucket list! (next)\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
598 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
599 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
600 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
601 printf("\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
602 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
603 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
604
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
605 static int DGA_InitHWSurfaces(_THIS, SDL_Surface *screen, Uint8 *base, int size)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
606 {
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
607 vidmem_bucket *bucket;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
608
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
609 surfaces_memtotal = size;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
610 surfaces_memleft = size;
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
611
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
612 if ( surfaces_memleft > 0 ) {
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
613 bucket = (vidmem_bucket *)malloc(sizeof(*bucket));
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
614 if ( bucket == NULL ) {
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
615 SDL_OutOfMemory();
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
616 return(-1);
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
617 }
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
618 bucket->prev = &surfaces;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
619 bucket->used = 0;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
620 bucket->dirty = 0;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
621 bucket->base = base;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
622 bucket->size = size;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
623 bucket->next = NULL;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
624 } else {
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
625 bucket = NULL;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
626 }
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
627
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
628 surfaces.prev = NULL;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
629 surfaces.used = 1;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
630 surfaces.dirty = 0;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
631 surfaces.base = screen->pixels;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
632 surfaces.size = (unsigned int)((long)base - (long)surfaces.base);
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
633 surfaces.next = bucket;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
634 screen->hwdata = (struct private_hwdata *)&surfaces;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
635 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
636 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
637 static void DGA_FreeHWSurfaces(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
638 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
639 vidmem_bucket *bucket, *freeable;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
640
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
641 bucket = surfaces.next;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
642 while ( bucket ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
643 freeable = bucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
644 bucket = bucket->next;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
645 free(freeable);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
646 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
647 surfaces.next = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
648 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
649
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
650 static __inline__ void DGA_AddBusySurface(SDL_Surface *surface)
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
651 {
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
652 ((vidmem_bucket *)surface->hwdata)->dirty = 1;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
653 }
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
654
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
655 static __inline__ int DGA_IsSurfaceBusy(SDL_Surface *surface)
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
656 {
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
657 return ((vidmem_bucket *)surface->hwdata)->dirty;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
658 }
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
659
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
660 static __inline__ void DGA_WaitBusySurfaces(_THIS)
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
661 {
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
662 vidmem_bucket *bucket;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
663
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
664 /* Wait for graphic operations to complete */
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
665 SDL_NAME(XDGASync)(DGA_Display, DGA_Screen);
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
666
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
667 /* Clear all surface dirty bits */
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
668 for ( bucket=&surfaces; bucket; bucket=bucket->next ) {
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
669 bucket->dirty = 0;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
670 }
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
671 }
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
672
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
673 static int DGA_AllocHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
674 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
675 vidmem_bucket *bucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
676 int size;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
677 int extra;
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
678 int retval = 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
679
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
680 /* Temporarily, we only allow surfaces the same width as display.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
681 Some blitters require the pitch between two hardware surfaces
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
682 to be the same. Others have interesting alignment restrictions.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
683 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
684 if ( surface->pitch > SDL_VideoSurface->pitch ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
685 SDL_SetError("Surface requested wider than screen");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
686 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
687 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
688 surface->pitch = SDL_VideoSurface->pitch;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
689 size = surface->h * surface->pitch;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
690 #ifdef DGA_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
691 fprintf(stderr, "Allocating bucket of %d bytes\n", size);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
692 #endif
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
693 LOCK_DISPLAY();
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
694
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
695 /* Quick check for available mem */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
696 if ( size > surfaces_memleft ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
697 SDL_SetError("Not enough video memory");
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
698 retval = -1;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
699 goto done;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
700 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
701
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
702 /* Search for an empty bucket big enough */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
703 for ( bucket=&surfaces; bucket; bucket=bucket->next ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
704 if ( ! bucket->used && (size <= bucket->size) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
705 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
706 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
707 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
708 if ( bucket == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
709 SDL_SetError("Video memory too fragmented");
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
710 retval = -1;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
711 goto done;
0
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 /* Create a new bucket for left-over memory */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
715 extra = (bucket->size - size);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
716 if ( extra ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
717 vidmem_bucket *newbucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
718
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
719 #ifdef DGA_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
720 fprintf(stderr, "Adding new free bucket of %d bytes\n", extra);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
721 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
722 newbucket = (vidmem_bucket *)malloc(sizeof(*newbucket));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
723 if ( newbucket == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
724 SDL_OutOfMemory();
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
725 retval = -1;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
726 goto done;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
727 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
728 newbucket->prev = bucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
729 newbucket->used = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
730 newbucket->base = bucket->base+size;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
731 newbucket->size = extra;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
732 newbucket->next = bucket->next;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
733 if ( bucket->next ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
734 bucket->next->prev = newbucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
735 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
736 bucket->next = newbucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
737 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
738
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
739 /* Set the current bucket values and return it! */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
740 bucket->used = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
741 bucket->size = size;
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
742 bucket->dirty = 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
743 #ifdef DGA_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
744 fprintf(stderr, "Allocated %d bytes at %p\n", bucket->size, bucket->base);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
745 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
746 surfaces_memleft -= size;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
747 surface->flags |= SDL_HWSURFACE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
748 surface->pixels = bucket->base;
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
749 surface->hwdata = (struct private_hwdata *)bucket;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
750 done:
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
751 UNLOCK_DISPLAY();
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
752 return(retval);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
753 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
754 static void DGA_FreeHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
755 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
756 vidmem_bucket *bucket, *freeable;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
757
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
758 /* Look for the bucket in the current list */
102
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
759 for ( bucket=&surfaces; bucket; bucket=bucket->next ) {
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
760 if ( bucket == (vidmem_bucket *)surface->hwdata ) {
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
761 break;
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
762 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
763 }
102
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
764 if ( bucket && bucket->used ) {
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
765 /* Add the memory back to the total */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
766 #ifdef DGA_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
767 printf("Freeing bucket of %d bytes\n", bucket->size);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
768 #endif
102
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
769 surfaces_memleft += bucket->size;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
770
102
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
771 /* Can we merge the space with surrounding buckets? */
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
772 bucket->used = 0;
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
773 if ( bucket->next && ! bucket->next->used ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
774 #ifdef DGA_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
775 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
776 #endif
102
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
777 freeable = bucket->next;
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
778 bucket->size += bucket->next->size;
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
779 bucket->next = bucket->next->next;
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
780 if ( bucket->next ) {
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
781 bucket->next->prev = bucket;
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
782 }
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
783 free(freeable);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
784 }
102
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
785 if ( bucket->prev && ! bucket->prev->used ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
786 #ifdef DGA_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
787 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
788 #endif
102
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
789 freeable = bucket;
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
790 bucket->prev->size += bucket->size;
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
791 bucket->prev->next = bucket->next;
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
792 if ( bucket->next ) {
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
793 bucket->next->prev = bucket->prev;
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
794 }
9162d62280b5 Don't crash if freeing a hardware surface after the video mode has been
Sam Lantinga <slouken@lokigames.com>
parents: 101
diff changeset
795 free(freeable);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
796 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
797 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
798 surface->pixels = NULL;
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
799 surface->hwdata = NULL;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
800 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
801
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
802 static __inline__ void DGA_dst_to_xy(_THIS, SDL_Surface *dst, int *x, int *y)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
803 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
804 *x = (long)((Uint8 *)dst->pixels - memory_base)%memory_pitch;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
805 *y = (long)((Uint8 *)dst->pixels - memory_base)/memory_pitch;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
806 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
807
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
808 static int DGA_FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
809 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
810 int x, y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
811 unsigned int w, h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
812
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
813 /* Don't fill the visible part of the screen, wait until flipped */
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
814 LOCK_DISPLAY();
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
815 if ( was_flipped && (dst == this->screen) ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
816 while ( SDL_NAME(XDGAGetViewportStatus)(DGA_Display, DGA_Screen) )
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
817 /* Keep waiting for the hardware ... */ ;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
818 was_flipped = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
819 }
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
820 DGA_dst_to_xy(this, dst, &x, &y);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
821 x += rect->x;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
822 y += rect->y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
823 w = rect->w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
824 h = rect->h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
825 #if 0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
826 printf("Hardware accelerated rectangle fill: %dx%d at %d,%d\n", w, h, x, y);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
827 #endif
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
828 SDL_NAME(XDGAFillRectangle)(DGA_Display, DGA_Screen, x, y, w, h, color);
540
4bcfb93e0dfe Greatly improved X11 DGA video speed (thanks Cezary!)
Sam Lantinga <slouken@libsdl.org>
parents: 462
diff changeset
829 if ( !(this->screen->flags & SDL_DOUBLEBUF) ) {
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 966
diff changeset
830 pXFlush(DGA_Display);
540
4bcfb93e0dfe Greatly improved X11 DGA video speed (thanks Cezary!)
Sam Lantinga <slouken@libsdl.org>
parents: 462
diff changeset
831 }
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
832 DGA_AddBusySurface(dst);
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
833 UNLOCK_DISPLAY();
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
834 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
835 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
836
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
837 static int HWAccelBlit(SDL_Surface *src, SDL_Rect *srcrect,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
838 SDL_Surface *dst, SDL_Rect *dstrect)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
839 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
840 SDL_VideoDevice *this;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
841 int srcx, srcy;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
842 int dstx, dsty;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
843 unsigned int w, h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
844
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
845 this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
846 /* Don't blit to the visible part of the screen, wait until flipped */
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
847 LOCK_DISPLAY();
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
848 if ( was_flipped && (dst == this->screen) ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
849 while ( SDL_NAME(XDGAGetViewportStatus)(DGA_Display, DGA_Screen) )
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
850 /* Keep waiting for the hardware ... */ ;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
851 was_flipped = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
852 }
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
853 DGA_dst_to_xy(this, src, &srcx, &srcy);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
854 srcx += srcrect->x;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
855 srcy += srcrect->y;
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
856 DGA_dst_to_xy(this, dst, &dstx, &dsty);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
857 dstx += dstrect->x;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
858 dsty += dstrect->y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
859 w = srcrect->w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
860 h = srcrect->h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
861 #if 0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
862 printf("Blitting %dx%d from %d,%d to %d,%d\n", w, h, srcx, srcy, dstx, dsty);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
863 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
864 if ( (src->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
865 SDL_NAME(XDGACopyTransparentArea)(DGA_Display, DGA_Screen,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
866 srcx, srcy, w, h, dstx, dsty, src->format->colorkey);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
867 } else {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
868 SDL_NAME(XDGACopyArea)(DGA_Display, DGA_Screen,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
869 srcx, srcy, w, h, dstx, dsty);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
870 }
540
4bcfb93e0dfe Greatly improved X11 DGA video speed (thanks Cezary!)
Sam Lantinga <slouken@libsdl.org>
parents: 462
diff changeset
871 if ( !(this->screen->flags & SDL_DOUBLEBUF) ) {
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 966
diff changeset
872 pXFlush(DGA_Display);
540
4bcfb93e0dfe Greatly improved X11 DGA video speed (thanks Cezary!)
Sam Lantinga <slouken@libsdl.org>
parents: 462
diff changeset
873 }
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
874 DGA_AddBusySurface(src);
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
875 DGA_AddBusySurface(dst);
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
876 UNLOCK_DISPLAY();
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
877 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
878 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
879
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
880 static int DGA_CheckHWBlit(_THIS, SDL_Surface *src, SDL_Surface *dst)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
881 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
882 int accelerated;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
883
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
884 /* Set initial acceleration on */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
885 src->flags |= SDL_HWACCEL;
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 the surface attributes */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
888 if ( (src->flags & SDL_SRCALPHA) == SDL_SRCALPHA ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
889 if ( ! this->info.blit_hw_A ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
890 src->flags &= ~SDL_HWACCEL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
891 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
892 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
893 if ( (src->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
894 if ( ! this->info.blit_hw_CC ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
895 src->flags &= ~SDL_HWACCEL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
896 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
897 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
898
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
899 /* Check to see if final surface blit is accelerated */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
900 accelerated = !!(src->flags & SDL_HWACCEL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
901 if ( accelerated ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
902 src->map->hw_blit = HWAccelBlit;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
903 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
904 return(accelerated);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
905 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
906
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
907 static __inline__ void DGA_WaitFlip(_THIS)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
908 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
909 if ( was_flipped ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
910 while ( SDL_NAME(XDGAGetViewportStatus)(DGA_Display, DGA_Screen) )
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
911 /* Keep waiting for the hardware ... */ ;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
912 was_flipped = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
913 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
914 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
915
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
916 static int DGA_LockHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
917 {
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
918 if ( surface == this->screen ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
919 SDL_mutexP(hw_lock);
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
920 LOCK_DISPLAY();
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
921 if ( DGA_IsSurfaceBusy(surface) ) {
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
922 DGA_WaitBusySurfaces(this);
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
923 }
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
924 DGA_WaitFlip(this);
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
925 UNLOCK_DISPLAY();
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
926 } else {
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
927 if ( DGA_IsSurfaceBusy(surface) ) {
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
928 LOCK_DISPLAY();
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
929 DGA_WaitBusySurfaces(this);
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
930 UNLOCK_DISPLAY();
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
931 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
932 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
933 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
934 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
935 static void DGA_UnlockHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
936 {
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
937 if ( surface == this->screen ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
938 SDL_mutexV(hw_lock);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
939 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
940 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
941
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
942 static int DGA_FlipHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
943 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
944 /* Wait for vertical retrace and then flip display */
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
945 LOCK_DISPLAY();
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
946 if ( DGA_IsSurfaceBusy(this->screen) ) {
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
947 DGA_WaitBusySurfaces(this);
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
948 }
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
949 DGA_WaitFlip(this);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
950 SDL_NAME(XDGASetViewport)(DGA_Display, DGA_Screen,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
951 0, flip_yoffset[flip_page], XDGAFlipRetrace);
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 966
diff changeset
952 pXFlush(DGA_Display);
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
953 UNLOCK_DISPLAY();
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
954 was_flipped = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
955 flip_page = !flip_page;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
956
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
957 surface->pixels = flip_address[flip_page];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
958 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
959 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
960
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
961 static void DGA_DirectUpdate(_THIS, int numrects, SDL_Rect *rects)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
962 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
963 /* The application is already updating the visible video memory */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
964 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
965 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
966
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
967 static int DGA_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
968 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
969 int i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
970 XColor *xcmap;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
971
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
972 /* This happens on initialization */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
973 if ( ! DGA_colormap ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
974 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
975 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
976 xcmap = (XColor *)alloca(ncolors*sizeof(*xcmap));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
977 for ( i=0; i<ncolors; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
978 xcmap[i].pixel = firstcolor + i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
979 xcmap[i].red = (colors[i].r<<8)|colors[i].r;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
980 xcmap[i].green = (colors[i].g<<8)|colors[i].g;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
981 xcmap[i].blue = (colors[i].b<<8)|colors[i].b;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
982 xcmap[i].flags = (DoRed|DoGreen|DoBlue);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
983 }
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
984 LOCK_DISPLAY();
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 966
diff changeset
985 pXStoreColors(DGA_Display, DGA_colormap, xcmap, ncolors);
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 966
diff changeset
986 pXSync(DGA_Display, False);
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
987 UNLOCK_DISPLAY();
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
988
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
989 /* That was easy. :) */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
990 return(1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
991 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
992
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
993 int DGA_SetGammaRamp(_THIS, Uint16 *ramp)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
994 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
995 int i, ncolors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
996 XColor xcmap[256];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
997
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
998 /* See if actually setting the gamma is supported */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
999 if ( DGA_visualClass != DirectColor ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1000 SDL_SetError("Gamma correction not supported on this visual");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1001 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1002 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1003
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1004 /* Calculate the appropriate palette for the given gamma ramp */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1005 if ( this->screen->format->BitsPerPixel <= 16 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1006 ncolors = 64; /* Is this right? */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1007 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1008 ncolors = 256;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1009 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1010 for ( i=0; i<ncolors; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1011 Uint8 c = (256 * i / ncolors);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1012 xcmap[i].pixel = SDL_MapRGB(this->screen->format, c, c, c);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1013 xcmap[i].red = ramp[0*256+c];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1014 xcmap[i].green = ramp[1*256+c];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1015 xcmap[i].blue = ramp[2*256+c];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1016 xcmap[i].flags = (DoRed|DoGreen|DoBlue);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1017 }
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1018 LOCK_DISPLAY();
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 966
diff changeset
1019 pXStoreColors(DGA_Display, DGA_colormap, xcmap, ncolors);
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 966
diff changeset
1020 pXSync(DGA_Display, False);
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1021 UNLOCK_DISPLAY();
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1022 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1023 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1024
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1025 void DGA_VideoQuit(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1026 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1027 int i, j;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1028
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1029 if ( DGA_Display ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1030 /* Free colormap, if necessary */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1031 if ( DGA_colormap ) {
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 966
diff changeset
1032 pXFreeColormap(DGA_Display, DGA_colormap);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1033 DGA_colormap = 0;
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 /* Unmap memory and reset video mode */
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
1037 SDL_NAME(XDGACloseFramebuffer)(DGA_Display, DGA_Screen);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1038 if ( this->screen ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1039 /* Tell SDL not to free the pixels */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1040 this->screen->pixels = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1041 }
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
1042 SDL_NAME(XDGASetMode)(DGA_Display, DGA_Screen, 0);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1043
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1044 /* Clear the lock mutex */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1045 if ( hw_lock != NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1046 SDL_DestroyMutex(hw_lock);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1047 hw_lock = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1048 }
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1049 #ifdef LOCK_DGA_DISPLAY
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1050 if ( event_lock != NULL ) {
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1051 SDL_DestroyMutex(event_lock);
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1052 event_lock = NULL;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1053 }
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1054 #endif /* LOCK_DGA_DISPLAY */
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1055
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1056
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1057 /* Clean up defined video modes */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1058 for ( i=0; i<NUM_MODELISTS; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1059 if ( SDL_modelist[i] != NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1060 for ( j=0; SDL_modelist[i][j]; ++j ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1061 free(SDL_modelist[i][j]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1062 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1063 free(SDL_modelist[i]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1064 SDL_modelist[i] = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1065 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1066 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1067
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1068 /* Clean up the memory bucket list */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1069 DGA_FreeHWSurfaces(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1070
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1071 /* Close up the display */
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 966
diff changeset
1072 pXCloseDisplay(DGA_Display);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1073 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1074 }