annotate src/video/dga/SDL_dgavideo.c @ 1358:c71e05b4dc2e

More header massaging... works great on Windows. ;-)
author Sam Lantinga <slouken@libsdl.org>
date Fri, 10 Feb 2006 06:48:43 +0000
parents 604d73db6802
children 19418e4422cb
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 /* DGA 2.0 based SDL video driver implementation.
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24 */
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25
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26 #include <stdio.h>
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27
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28 #include <X11/Xlib.h>
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29 #include <Xext/extensions/xf86dga.h>
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30
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31 #include "SDL_video.h"
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32 #include "SDL_mouse.h"
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33 #include "SDL_sysvideo.h"
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34 #include "SDL_pixels_c.h"
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35 #include "SDL_events_c.h"
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36 #include "SDL_dgavideo.h"
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37 #include "SDL_dgamouse_c.h"
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38 #include "SDL_dgaevents_c.h"
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39
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40 /* get function pointers... */
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41 #include "../x11/SDL_x11dyn.h"
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42
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43 /* Initialization/Query functions */
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44 static int DGA_VideoInit(_THIS, SDL_PixelFormat *vformat);
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45 static SDL_Rect **DGA_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
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46 static SDL_Surface *DGA_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
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47 static int DGA_SetColors(_THIS, int firstcolor, int ncolors,
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48 SDL_Color *colors);
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49 static int DGA_SetGammaRamp(_THIS, Uint16 *ramp);
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50 static void DGA_VideoQuit(_THIS);
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51
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52 /* Hardware surface functions */
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53 static int DGA_InitHWSurfaces(_THIS, SDL_Surface *screen, Uint8 *base, int size);
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54 static void DGA_FreeHWSurfaces(_THIS);
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55 static int DGA_AllocHWSurface(_THIS, SDL_Surface *surface);
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56 static int DGA_FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color);
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57 static int DGA_CheckHWBlit(_THIS, SDL_Surface *src, SDL_Surface *dst);
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58 static int DGA_LockHWSurface(_THIS, SDL_Surface *surface);
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59 static void DGA_UnlockHWSurface(_THIS, SDL_Surface *surface);
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60 static void DGA_FreeHWSurface(_THIS, SDL_Surface *surface);
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61 static int DGA_FlipHWSurface(_THIS, SDL_Surface *surface);
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62
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63 /* DGA driver bootstrap functions */
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64
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65 static int DGA_Available(void)
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66 {
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67 const char *display = NULL;
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68 Display *dpy = NULL;
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69 int available = 0;
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70
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71 /* The driver is available is available if the display is local
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72 and the DGA 2.0+ extension is available, and we can map mem.
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73 */
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74 if ( SDL_X11_LoadSymbols() ) {
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75 if ( (SDL_strncmp(pXDisplayName(display), ":", 1) == 0) ||
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76 (SDL_strncmp(pXDisplayName(display), "unix:", 5) == 0) ) {
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77 dpy = pXOpenDisplay(display);
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78 if ( dpy ) {
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79 int events, errors, major, minor;
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80
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81 if ( SDL_NAME(XDGAQueryExtension)(dpy, &events, &errors) &&
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82 SDL_NAME(XDGAQueryVersion)(dpy, &major, &minor) ) {
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83 int screen;
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84
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85 screen = DefaultScreen(dpy);
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86 if ( (major >= 2) &&
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87 SDL_NAME(XDGAOpenFramebuffer)(dpy, screen) ) {
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88 available = 1;
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89 SDL_NAME(XDGACloseFramebuffer)(dpy, screen);
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90 }
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91 }
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92 pXCloseDisplay(dpy);
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93 }
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94 }
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95 SDL_X11_UnloadSymbols();
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96 }
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97 return(available);
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98 }
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99
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100 static void DGA_DeleteDevice(SDL_VideoDevice *device)
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101 {
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102 if (device != NULL) {
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103 SDL_free(device->hidden);
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104 SDL_free(device);
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105 SDL_X11_UnloadSymbols();
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106 }
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107 }
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108
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109 static SDL_VideoDevice *DGA_CreateDevice(int devindex)
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110 {
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111 SDL_VideoDevice *device = NULL;
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112
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113 /* Initialize all variables that we clean on shutdown */
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114 if (SDL_X11_LoadSymbols()) {
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115 device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice));
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116 if ( device ) {
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117 SDL_memset(device, 0, (sizeof *device));
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118 device->hidden = (struct SDL_PrivateVideoData *)
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119 SDL_malloc((sizeof *device->hidden));
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120 }
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121 if ( (device == NULL) || (device->hidden == NULL) ) {
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122 SDL_OutOfMemory();
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123 if ( device ) {
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124 SDL_free(device);
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125 }
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126 SDL_X11_UnloadSymbols();
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127 return(0);
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128 }
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129 SDL_memset(device->hidden, 0, (sizeof *device->hidden));
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130
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131 /* Set the function pointers */
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132 device->VideoInit = DGA_VideoInit;
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133 device->ListModes = DGA_ListModes;
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134 device->SetVideoMode = DGA_SetVideoMode;
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135 device->SetColors = DGA_SetColors;
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136 device->UpdateRects = NULL;
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137 device->VideoQuit = DGA_VideoQuit;
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138 device->AllocHWSurface = DGA_AllocHWSurface;
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139 device->CheckHWBlit = DGA_CheckHWBlit;
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140 device->FillHWRect = DGA_FillHWRect;
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141 device->SetHWColorKey = NULL;
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142 device->SetHWAlpha = NULL;
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143 device->LockHWSurface = DGA_LockHWSurface;
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144 device->UnlockHWSurface = DGA_UnlockHWSurface;
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145 device->FlipHWSurface = DGA_FlipHWSurface;
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146 device->FreeHWSurface = DGA_FreeHWSurface;
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147 device->SetGammaRamp = DGA_SetGammaRamp;
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148 device->GetGammaRamp = NULL;
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149 device->SetCaption = NULL;
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150 device->SetIcon = NULL;
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151 device->IconifyWindow = NULL;
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152 device->GrabInput = NULL;
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153 device->GetWMInfo = NULL;
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154 device->InitOSKeymap = DGA_InitOSKeymap;
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155 device->PumpEvents = DGA_PumpEvents;
0
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156
1168
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157 device->free = DGA_DeleteDevice;
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158 }
0
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159
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160 return device;
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161 }
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162
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163 VideoBootStrap DGA_bootstrap = {
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164 "dga", "XFree86 DGA 2.0",
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165 DGA_Available, DGA_CreateDevice
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166 };
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167
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168 static int DGA_AddMode(_THIS, int bpp, int w, int h)
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169 {
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170 SDL_Rect *mode;
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171 int i, index;
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172 int next_mode;
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173
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174 /* Check to see if we already have this mode */
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175 if ( bpp < 8 ) { /* Not supported */
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176 return(0);
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177 }
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178 index = ((bpp+7)/8)-1;
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179 for ( i=0; i<SDL_nummodes[index]; ++i ) {
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180 mode = SDL_modelist[index][i];
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181 if ( (mode->w == w) && (mode->h == h) ) {
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182 return(0);
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183 }
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184 }
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185
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186 /* Set up the new video mode rectangle */
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187 mode = (SDL_Rect *)SDL_malloc(sizeof *mode);
0
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188 if ( mode == NULL ) {
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189 SDL_OutOfMemory();
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190 return(-1);
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191 }
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192 mode->x = 0;
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193 mode->y = 0;
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194 mode->w = w;
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195 mode->h = h;
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196
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197 /* Allocate the new list of modes, and fill in the new mode */
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198 next_mode = SDL_nummodes[index];
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199 SDL_modelist[index] = (SDL_Rect **)
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200 SDL_realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *));
0
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201 if ( SDL_modelist[index] == NULL ) {
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202 SDL_OutOfMemory();
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203 SDL_nummodes[index] = 0;
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204 SDL_free(mode);
0
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205 return(-1);
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206 }
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207 SDL_modelist[index][next_mode] = mode;
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208 SDL_modelist[index][next_mode+1] = NULL;
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209 SDL_nummodes[index]++;
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diff changeset
210
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211 return(0);
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212 }
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213
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214 /* This whole function is a hack. :) */
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diff changeset
215 static Uint32 get_video_size(_THIS)
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216 {
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217 /* 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
218 extern unsigned char *SDL_NAME(XDGAGetMappedMemory)(int screen);
0
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219 FILE *proc;
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diff changeset
220 unsigned long mem;
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diff changeset
221 unsigned start, stop;
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diff changeset
222 char line[BUFSIZ];
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diff changeset
223 Uint32 size;
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diff changeset
224
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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parents: 252
diff changeset
225 mem = (unsigned long)SDL_NAME(XDGAGetMappedMemory)(DGA_Screen);
0
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226 size = 0;
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diff changeset
227 proc = fopen("/proc/self/maps", "r");
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diff changeset
228 if ( proc ) {
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diff changeset
229 while ( fgets(line, sizeof(line)-1, proc) ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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parents: 1312
diff changeset
230 SDL_sscanf(line, "%x-%x", &start, &stop);
0
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parents:
diff changeset
231 if ( start == mem ) {
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parents:
diff changeset
232 size = (Uint32)((stop-start)/1024);
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diff changeset
233 break;
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parents:
diff changeset
234 }
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diff changeset
235 }
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parents:
diff changeset
236 fclose(proc);
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parents:
diff changeset
237 }
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parents:
diff changeset
238 return(size);
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parents:
diff changeset
239 }
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parents:
diff changeset
240
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parents:
diff changeset
241 #ifdef DGA_DEBUG
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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parents: 252
diff changeset
242 static void PrintMode(SDL_NAME(XDGAMode) *mode)
0
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parents:
diff changeset
243 {
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diff changeset
244 printf("Mode: %s (%dx%d) at %d bpp (%f refresh, %d pitch) num: %d\n",
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parents:
diff changeset
245 mode->name,
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parents:
diff changeset
246 mode->viewportWidth, mode->viewportHeight,
74212992fb08 Initial revision
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parents:
diff changeset
247 mode->depth == 24 ? mode->bitsPerPixel : mode->depth,
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parents:
diff changeset
248 mode->verticalRefresh, mode->bytesPerScanline, mode->num);
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parents:
diff changeset
249 printf("\tRGB: 0x%8.8x 0x%8.8x 0x%8.8x (%d - %s)\n",
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parents:
diff changeset
250 mode->redMask, mode->greenMask, mode->blueMask,
74212992fb08 Initial revision
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parents:
diff changeset
251 mode->visualClass,
74212992fb08 Initial revision
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parents:
diff changeset
252 mode->visualClass == TrueColor ? "truecolor" :
74212992fb08 Initial revision
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parents:
diff changeset
253 mode->visualClass == DirectColor ? "directcolor" :
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parents:
diff changeset
254 mode->visualClass == PseudoColor ? "pseudocolor" : "unknown");
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parents:
diff changeset
255 printf("\tFlags: ");
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parents:
diff changeset
256 if ( mode->flags & XDGAConcurrentAccess )
74212992fb08 Initial revision
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parents:
diff changeset
257 printf(" XDGAConcurrentAccess");
74212992fb08 Initial revision
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parents:
diff changeset
258 if ( mode->flags & XDGASolidFillRect )
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parents:
diff changeset
259 printf(" XDGASolidFillRect");
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parents:
diff changeset
260 if ( mode->flags & XDGABlitRect )
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parents:
diff changeset
261 printf(" XDGABlitRect");
74212992fb08 Initial revision
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parents:
diff changeset
262 if ( mode->flags & XDGABlitTransRect )
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parents:
diff changeset
263 printf(" XDGABlitTransRect");
74212992fb08 Initial revision
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parents:
diff changeset
264 if ( mode->flags & XDGAPixmap )
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parents:
diff changeset
265 printf(" XDGAPixmap");
74212992fb08 Initial revision
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parents:
diff changeset
266 if ( mode->flags & XDGAInterlaced )
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parents:
diff changeset
267 printf(" XDGAInterlaced");
74212992fb08 Initial revision
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parents:
diff changeset
268 if ( mode->flags & XDGADoublescan )
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parents:
diff changeset
269 printf(" XDGADoublescan");
74212992fb08 Initial revision
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parents:
diff changeset
270 if ( mode->viewportFlags & XDGAFlipRetrace )
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parents:
diff changeset
271 printf(" XDGAFlipRetrace");
74212992fb08 Initial revision
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parents:
diff changeset
272 if ( mode->viewportFlags & XDGAFlipImmediate )
74212992fb08 Initial revision
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parents:
diff changeset
273 printf(" XDGAFlipImmediate");
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parents:
diff changeset
274 printf("\n");
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parents:
diff changeset
275 }
74212992fb08 Initial revision
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parents:
diff changeset
276 #endif /* DGA_DEBUG */
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parents:
diff changeset
277
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diff changeset
278 static int cmpmodes(const void *va, const void *vb)
74212992fb08 Initial revision
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parents:
diff changeset
279 {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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parents: 252
diff changeset
280 const SDL_NAME(XDGAMode) *a = (const SDL_NAME(XDGAMode) *)va;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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parents: 252
diff changeset
281 const SDL_NAME(XDGAMode) *b = (const SDL_NAME(XDGAMode) *)vb;
0
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parents:
diff changeset
282
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parents:
diff changeset
283 /* Prefer DirectColor visuals for otherwise equal modes */
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parents:
diff changeset
284 if ( (a->viewportWidth == b->viewportWidth) &&
74212992fb08 Initial revision
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parents:
diff changeset
285 (b->viewportHeight == a->viewportHeight) ) {
966
f72cc0c7305f Video modes are sorted width first, then height
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parents: 769
diff changeset
286 if ( a->visualClass == DirectColor )
f72cc0c7305f Video modes are sorted width first, then height
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
287 return -1;
f72cc0c7305f Video modes are sorted width first, then height
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
288 if ( b->visualClass == DirectColor )
f72cc0c7305f Video modes are sorted width first, then height
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
289 return 1;
f72cc0c7305f Video modes are sorted width first, then height
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
290 return 0;
f72cc0c7305f Video modes are sorted width first, then height
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
291 } else if ( a->viewportWidth == b->viewportWidth ) {
f72cc0c7305f Video modes are sorted width first, then height
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
292 return b->viewportHeight - a->viewportHeight;
0
74212992fb08 Initial revision
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parents:
diff changeset
293 } else {
966
f72cc0c7305f Video modes are sorted width first, then height
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
294 return b->viewportWidth - a->viewportWidth;
0
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parents:
diff changeset
295 }
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parents:
diff changeset
296 }
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
297 static void UpdateHWInfo(_THIS, SDL_NAME(XDGAMode) *mode)
0
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parents:
diff changeset
298 {
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diff changeset
299 this->info.wm_available = 0;
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parents:
diff changeset
300 this->info.hw_available = 1;
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parents:
diff changeset
301 if ( mode->flags & XDGABlitRect ) {
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parents:
diff changeset
302 this->info.blit_hw = 1;
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parents:
diff changeset
303 } else {
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parents:
diff changeset
304 this->info.blit_hw = 0;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
305 }
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parents:
diff changeset
306 if ( mode->flags & XDGABlitTransRect ) {
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parents:
diff changeset
307 this->info.blit_hw_CC = 1;
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parents:
diff changeset
308 } else {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
309 this->info.blit_hw_CC = 0;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
310 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
311 if ( mode->flags & XDGASolidFillRect ) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
312 this->info.blit_fill = 1;
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parents:
diff changeset
313 } else {
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parents:
diff changeset
314 this->info.blit_fill = 0;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
315 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
316 this->info.video_mem = get_video_size(this);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
317 }
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parents:
diff changeset
318
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parents:
diff changeset
319 static int DGA_VideoInit(_THIS, SDL_PixelFormat *vformat)
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parents:
diff changeset
320 {
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parents:
diff changeset
321 const char *display;
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parents:
diff changeset
322 int event_base, error_base;
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parents:
diff changeset
323 int major_version, minor_version;
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parents:
diff changeset
324 Visual *visual;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
325 SDL_NAME(XDGAMode) *modes;
0
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parents:
diff changeset
326 int i, num_modes;
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parents:
diff changeset
327
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parents:
diff changeset
328 /* Open the X11 display */
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parents:
diff changeset
329 display = NULL; /* Get it from DISPLAY environment variable */
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parents:
diff changeset
330
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 966
diff changeset
331 DGA_Display = pXOpenDisplay(display);
0
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parents:
diff changeset
332 if ( DGA_Display == NULL ) {
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parents:
diff changeset
333 SDL_SetError("Couldn't open X11 display");
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parents:
diff changeset
334 return(-1);
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parents:
diff changeset
335 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
336
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parents:
diff changeset
337 /* Check for the DGA extension */
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
338 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
339 ! SDL_NAME(XDGAQueryVersion)(DGA_Display, &major_version, &minor_version) ) {
0
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parents:
diff changeset
340 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
341 pXCloseDisplay(DGA_Display);
0
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parents:
diff changeset
342 return(-1);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
343 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
344 if ( major_version < 2 ) {
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parents:
diff changeset
345 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
346 pXCloseDisplay(DGA_Display);
0
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parents:
diff changeset
347 return(-1);
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parents:
diff changeset
348 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
349 DGA_event_base = event_base;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
350
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
351 /* Determine the current screen depth */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
352 visual = DefaultVisual(DGA_Display, DGA_Screen);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
353 {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
354 XPixmapFormatValues *pix_format;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
355 int i, num_formats;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
356
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parents:
diff changeset
357 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
358 pix_format = pXListPixmapFormats(DGA_Display, &num_formats);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
359 if ( pix_format == NULL ) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
360 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
361 pXCloseDisplay(DGA_Display);
0
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
362 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
363 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
364 for ( i=0; i<num_formats; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
365 if ( vformat->BitsPerPixel == pix_format[i].depth )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
366 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
367 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
368 if ( i != num_formats )
74212992fb08 Initial revision
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parents:
diff changeset
369 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
370 pXFree((char *)pix_format);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
371 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
372 if ( vformat->BitsPerPixel > 8 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
373 vformat->Rmask = visual->red_mask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
374 vformat->Gmask = visual->green_mask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
375 vformat->Bmask = visual->blue_mask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
376 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
377
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
378 /* Open access to the framebuffer */
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
379 if ( ! SDL_NAME(XDGAOpenFramebuffer)(DGA_Display, DGA_Screen) ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
380 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
381 pXCloseDisplay(DGA_Display);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
382 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
383 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
384
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
385 /* 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
386 modes = SDL_NAME(XDGAQueryModes)(DGA_Display, DGA_Screen, &num_modes);
1338
604d73db6802 Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents: 1336
diff changeset
387 SDL_qsort(modes, num_modes, sizeof *modes, cmpmodes);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
388 for ( i=0; i<num_modes; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
389 #ifdef DGA_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
390 PrintMode(&modes[i]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
391 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
392 if ( (modes[i].visualClass == PseudoColor) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
393 (modes[i].visualClass == DirectColor) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
394 (modes[i].visualClass == TrueColor) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
395 DGA_AddMode(this, modes[i].bitsPerPixel,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
396 modes[i].viewportWidth,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
397 modes[i].viewportHeight);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
398 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
399 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
400 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
401 pXFree(modes);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
402
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
403 /* Create the hardware surface lock mutex */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
404 hw_lock = SDL_CreateMutex();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
405 if ( hw_lock == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
406 SDL_SetError("Unable to create lock mutex");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
407 DGA_VideoQuit(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
408 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
409 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
410
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
411 #ifdef LOCK_DGA_DISPLAY
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
412 /* 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
413 event_lock = SDL_CreateMutex();
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
414 #endif /* LOCK_DGA_DISPLAY */
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
415
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
416 /* We're done! */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
417 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
418 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
419
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
420 SDL_Rect **DGA_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
421 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
422 return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
423 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
424
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
425 /* Various screen update functions available */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
426 static void DGA_DirectUpdate(_THIS, int numrects, SDL_Rect *rects);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
427
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
428 SDL_Surface *DGA_SetVideoMode(_THIS, SDL_Surface *current,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
429 int width, int height, int bpp, Uint32 flags)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
430 {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
431 SDL_NAME(XDGAMode) *modes;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
432 int i, num_modes;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
433 SDL_NAME(XDGADevice) *mode;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
434 int screen_len;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
435 Uint8 *surfaces_mem;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
436 int surfaces_len;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
437
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
438 /* Free any previous colormap */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
439 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
440 pXFreeColormap(DGA_Display, DGA_colormap);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
441 DGA_colormap = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
442 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
443
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
444 /* Search for a matching video mode */
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
445 modes = SDL_NAME(XDGAQueryModes)(DGA_Display, DGA_Screen, &num_modes);
1338
604d73db6802 Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents: 1336
diff changeset
446 SDL_qsort(modes, num_modes, sizeof *modes, cmpmodes);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
447 for ( i=0; i<num_modes; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
448 int depth;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
449
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
450
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
451 depth = modes[i].depth;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
452 if ( depth == 24 ) { /* Distinguish between 24 and 32 bpp */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
453 depth = modes[i].bitsPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
454 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
455 if ( (depth == bpp) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
456 (modes[i].viewportWidth == width) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
457 (modes[i].viewportHeight == height) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
458 ((modes[i].visualClass == PseudoColor) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
459 (modes[i].visualClass == DirectColor) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
460 (modes[i].visualClass == TrueColor)) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
461 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
462 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
463 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
464 if ( i == num_modes ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
465 SDL_SetError("No matching video mode found");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
466 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
467 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
468
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
469 /* Set the video mode */
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
470 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
471 pXFree(modes);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
472 if ( mode == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
473 SDL_SetError("Unable to switch to requested mode");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
474 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
475 }
559
b528214c8c9a Fixed invalid memory access in DGA video driver (thanks ldb!)
Sam Lantinga <slouken@libsdl.org>
parents: 540
diff changeset
476 DGA_visualClass = mode->mode.visualClass;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
477 memory_base = (Uint8 *)mode->data;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
478 memory_pitch = mode->mode.bytesPerScanline;
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 up the new mode framebuffer */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
481 current->flags = (SDL_FULLSCREEN|SDL_HWSURFACE);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
482 current->w = mode->mode.viewportWidth;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
483 current->h = mode->mode.viewportHeight;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
484 current->pitch = memory_pitch;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
485 current->pixels = memory_base;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
486 if ( ! SDL_ReallocFormat(current, mode->mode.bitsPerPixel,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
487 mode->mode.redMask,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
488 mode->mode.greenMask,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
489 mode->mode.blueMask, 0) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
490 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
491 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
492 screen_len = current->h*current->pitch;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
493
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
494 /* Create a colormap if necessary */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
495 if ( (DGA_visualClass == PseudoColor) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
496 (DGA_visualClass == DirectColor) ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
497 DGA_colormap = SDL_NAME(XDGACreateColormap)(DGA_Display, DGA_Screen,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
498 mode, AllocAll);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
499 if ( DGA_visualClass == PseudoColor ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
500 current->flags |= SDL_HWPALETTE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
501 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
502 /* Initialize the colormap to the identity mapping */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
503 SDL_GetGammaRamp(0, 0, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
504 this->screen = current;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
505 DGA_SetGammaRamp(this, this->gamma);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
506 this->screen = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
507 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
508 } else {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
509 DGA_colormap = SDL_NAME(XDGACreateColormap)(DGA_Display, DGA_Screen,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
510 mode, AllocNone);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
511 }
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
512 SDL_NAME(XDGAInstallColormap)(DGA_Display, DGA_Screen, DGA_colormap);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
513
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
514 /* Update the hardware capabilities */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
515 UpdateHWInfo(this, &mode->mode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
516
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
517 /* Set up the information for hardware surfaces */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
518 surfaces_mem = (Uint8 *)current->pixels + screen_len;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
519 surfaces_len = (mode->mode.imageHeight*current->pitch - screen_len);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
520
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
521 /* Update for double-buffering, if we can */
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
522 SDL_NAME(XDGASetViewport)(DGA_Display, DGA_Screen, 0, 0, XDGAFlipRetrace);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
523 if ( flags & SDL_DOUBLEBUF ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
524 if ( mode->mode.imageHeight >= (current->h*2) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
525 current->flags |= SDL_DOUBLEBUF;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
526 flip_page = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
527 flip_yoffset[0] = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
528 flip_yoffset[1] = current->h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
529 flip_address[0] = memory_base;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
530 flip_address[1] = memory_base+screen_len;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
531 surfaces_mem += screen_len;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
532 surfaces_len -= screen_len;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
533 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
534 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
535
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
536 /* Allocate memory tracking for hardware surfaces */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
537 DGA_FreeHWSurfaces(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
538 if ( surfaces_len < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
539 surfaces_len = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
540 }
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
541 DGA_InitHWSurfaces(this, current, surfaces_mem, surfaces_len);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
542
202
401f0134f4f9 Fixed crash when using double-buffering with DGA
Sam Lantinga <slouken@libsdl.org>
parents: 105
diff changeset
543 /* 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
544 if ( current->flags & SDL_DOUBLEBUF ) {
401f0134f4f9 Fixed crash when using double-buffering with DGA
Sam Lantinga <slouken@libsdl.org>
parents: 105
diff changeset
545 this->screen = current;
401f0134f4f9 Fixed crash when using double-buffering with DGA
Sam Lantinga <slouken@libsdl.org>
parents: 105
diff changeset
546 DGA_FlipHWSurface(this, current);
401f0134f4f9 Fixed crash when using double-buffering with DGA
Sam Lantinga <slouken@libsdl.org>
parents: 105
diff changeset
547 this->screen = NULL;
401f0134f4f9 Fixed crash when using double-buffering with DGA
Sam Lantinga <slouken@libsdl.org>
parents: 105
diff changeset
548 }
401f0134f4f9 Fixed crash when using double-buffering with DGA
Sam Lantinga <slouken@libsdl.org>
parents: 105
diff changeset
549
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
550 /* Set the update rectangle function */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
551 this->UpdateRects = DGA_DirectUpdate;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
552
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
553 /* Enable mouse and keyboard support */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
554 { long input_mask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
555 input_mask = (KeyPressMask | KeyReleaseMask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
556 input_mask |= (ButtonPressMask | ButtonReleaseMask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
557 input_mask |= PointerMotionMask;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
558 SDL_NAME(XDGASelectInput)(DGA_Display, DGA_Screen, input_mask);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
559 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
560
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
561 /* We're done */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
562 return(current);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
563 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
564
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
565 #ifdef DGA_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
566 static void DGA_DumpHWSurfaces(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
567 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
568 vidmem_bucket *bucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
569
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
570 printf("Memory left: %d (%d total)\n", surfaces_memleft, surfaces_memtotal);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
571 printf("\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
572 printf(" Base Size\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
573 for ( bucket=&surfaces; bucket; bucket=bucket->next ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
574 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
575 if ( bucket->prev ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
576 if ( bucket->base != bucket->prev->base+bucket->prev->size ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
577 printf("Warning, corrupt bucket list! (prev)\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
578 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
579 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
580 if ( bucket != &surfaces ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
581 printf("Warning, corrupt bucket list! (!prev)\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
582 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
583 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
584 if ( bucket->next ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
585 if ( bucket->next->base != bucket->base+bucket->size ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
586 printf("Warning, corrupt bucket list! (next)\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
587 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
588 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
589 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
590 printf("\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
591 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
592 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
593
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
594 static int DGA_InitHWSurfaces(_THIS, SDL_Surface *screen, Uint8 *base, int size)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
595 {
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
596 vidmem_bucket *bucket;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
597
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
598 surfaces_memtotal = size;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
599 surfaces_memleft = size;
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
600
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
601 if ( surfaces_memleft > 0 ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
602 bucket = (vidmem_bucket *)SDL_malloc(sizeof(*bucket));
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
603 if ( bucket == NULL ) {
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
604 SDL_OutOfMemory();
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
605 return(-1);
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
606 }
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
607 bucket->prev = &surfaces;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
608 bucket->used = 0;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
609 bucket->dirty = 0;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
610 bucket->base = base;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
611 bucket->size = size;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
612 bucket->next = NULL;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
613 } else {
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
614 bucket = NULL;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
615 }
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
616
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
617 surfaces.prev = NULL;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
618 surfaces.used = 1;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
619 surfaces.dirty = 0;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
620 surfaces.base = screen->pixels;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
621 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
622 surfaces.next = bucket;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
623 screen->hwdata = (struct private_hwdata *)&surfaces;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
624 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
625 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
626 static void DGA_FreeHWSurfaces(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
627 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
628 vidmem_bucket *bucket, *freeable;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
629
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
630 bucket = surfaces.next;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
631 while ( bucket ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
632 freeable = bucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
633 bucket = bucket->next;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
634 SDL_free(freeable);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
635 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
636 surfaces.next = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
637 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
638
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
639 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
640 {
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
641 ((vidmem_bucket *)surface->hwdata)->dirty = 1;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
642 }
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
643
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
644 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
645 {
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
646 return ((vidmem_bucket *)surface->hwdata)->dirty;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
647 }
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
648
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
649 static __inline__ void DGA_WaitBusySurfaces(_THIS)
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
650 {
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
651 vidmem_bucket *bucket;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
652
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
653 /* Wait for graphic operations to complete */
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
654 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
655
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
656 /* Clear all surface dirty bits */
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
657 for ( bucket=&surfaces; bucket; bucket=bucket->next ) {
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
658 bucket->dirty = 0;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
659 }
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
660 }
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
661
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
662 static int DGA_AllocHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
663 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
664 vidmem_bucket *bucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
665 int size;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
666 int extra;
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
667 int retval = 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
668
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
669 /* Temporarily, we only allow surfaces the same width as display.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
670 Some blitters require the pitch between two hardware surfaces
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
671 to be the same. Others have interesting alignment restrictions.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
672 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
673 if ( surface->pitch > SDL_VideoSurface->pitch ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
674 SDL_SetError("Surface requested wider than screen");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
675 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
676 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
677 surface->pitch = SDL_VideoSurface->pitch;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
678 size = surface->h * surface->pitch;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
679 #ifdef DGA_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
680 fprintf(stderr, "Allocating bucket of %d bytes\n", size);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
681 #endif
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
682 LOCK_DISPLAY();
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
683
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
684 /* Quick check for available mem */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
685 if ( size > surfaces_memleft ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
686 SDL_SetError("Not enough video memory");
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
687 retval = -1;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
688 goto done;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
689 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
690
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
691 /* Search for an empty bucket big enough */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
692 for ( bucket=&surfaces; bucket; bucket=bucket->next ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
693 if ( ! bucket->used && (size <= bucket->size) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
694 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
695 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
696 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
697 if ( bucket == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
698 SDL_SetError("Video memory too fragmented");
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
699 retval = -1;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
700 goto done;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
701 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
702
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
703 /* Create a new bucket for left-over memory */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
704 extra = (bucket->size - size);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
705 if ( extra ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
706 vidmem_bucket *newbucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
707
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
708 #ifdef DGA_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
709 fprintf(stderr, "Adding new free bucket of %d bytes\n", extra);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
710 #endif
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
711 newbucket = (vidmem_bucket *)SDL_malloc(sizeof(*newbucket));
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
712 if ( newbucket == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
713 SDL_OutOfMemory();
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
714 retval = -1;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
715 goto done;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
716 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
717 newbucket->prev = bucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
718 newbucket->used = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
719 newbucket->base = bucket->base+size;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
720 newbucket->size = extra;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
721 newbucket->next = bucket->next;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
722 if ( bucket->next ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
723 bucket->next->prev = newbucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
724 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
725 bucket->next = newbucket;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
726 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
727
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
728 /* Set the current bucket values and return it! */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
729 bucket->used = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
730 bucket->size = size;
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
731 bucket->dirty = 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
732 #ifdef DGA_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
733 fprintf(stderr, "Allocated %d bytes at %p\n", bucket->size, bucket->base);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
734 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
735 surfaces_memleft -= size;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
736 surface->flags |= SDL_HWSURFACE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
737 surface->pixels = bucket->base;
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
738 surface->hwdata = (struct private_hwdata *)bucket;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
739 done:
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
740 UNLOCK_DISPLAY();
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
741 return(retval);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
742 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
743 static void DGA_FreeHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
744 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
745 vidmem_bucket *bucket, *freeable;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
746
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
747 /* 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
748 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
749 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
750 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
751 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
752 }
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
753 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
754 /* Add the memory back to the total */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
755 #ifdef DGA_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
756 printf("Freeing bucket of %d bytes\n", bucket->size);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
757 #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
758 surfaces_memleft += bucket->size;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
759
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
760 /* 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
761 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
762 if ( bucket->next && ! bucket->next->used ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
763 #ifdef DGA_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
764 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
765 #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
766 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
767 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
768 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
769 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
770 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
771 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
772 SDL_free(freeable);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
773 }
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
774 if ( bucket->prev && ! bucket->prev->used ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
775 #ifdef DGA_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
776 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
777 #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
778 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
779 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
780 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
781 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
782 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
783 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
784 SDL_free(freeable);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
785 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
786 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
787 surface->pixels = NULL;
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
788 surface->hwdata = NULL;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
789 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
790
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
791 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
792 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
793 *x = (long)((Uint8 *)dst->pixels - memory_base)%memory_pitch;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
794 *y = (long)((Uint8 *)dst->pixels - memory_base)/memory_pitch;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
795 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
796
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
797 static int DGA_FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
798 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
799 int x, y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
800 unsigned int w, h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
801
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
802 /* 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
803 LOCK_DISPLAY();
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
804 if ( was_flipped && (dst == this->screen) ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
805 while ( SDL_NAME(XDGAGetViewportStatus)(DGA_Display, DGA_Screen) )
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
806 /* Keep waiting for the hardware ... */ ;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
807 was_flipped = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
808 }
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
809 DGA_dst_to_xy(this, dst, &x, &y);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
810 x += rect->x;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
811 y += rect->y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
812 w = rect->w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
813 h = rect->h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
814 #if 0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
815 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
816 #endif
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
817 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
818 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
819 pXFlush(DGA_Display);
540
4bcfb93e0dfe Greatly improved X11 DGA video speed (thanks Cezary!)
Sam Lantinga <slouken@libsdl.org>
parents: 462
diff changeset
820 }
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
821 DGA_AddBusySurface(dst);
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
822 UNLOCK_DISPLAY();
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
823 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
824 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
825
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
826 static int HWAccelBlit(SDL_Surface *src, SDL_Rect *srcrect,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
827 SDL_Surface *dst, SDL_Rect *dstrect)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
828 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
829 SDL_VideoDevice *this;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
830 int srcx, srcy;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
831 int dstx, dsty;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
832 unsigned int w, h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
833
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
834 this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
835 /* 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
836 LOCK_DISPLAY();
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
837 if ( was_flipped && (dst == this->screen) ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
838 while ( SDL_NAME(XDGAGetViewportStatus)(DGA_Display, DGA_Screen) )
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
839 /* Keep waiting for the hardware ... */ ;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
840 was_flipped = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
841 }
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
842 DGA_dst_to_xy(this, src, &srcx, &srcy);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
843 srcx += srcrect->x;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
844 srcy += srcrect->y;
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
845 DGA_dst_to_xy(this, dst, &dstx, &dsty);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
846 dstx += dstrect->x;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
847 dsty += dstrect->y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
848 w = srcrect->w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
849 h = srcrect->h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
850 #if 0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
851 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
852 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
853 if ( (src->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
854 SDL_NAME(XDGACopyTransparentArea)(DGA_Display, DGA_Screen,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
855 srcx, srcy, w, h, dstx, dsty, src->format->colorkey);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
856 } else {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
857 SDL_NAME(XDGACopyArea)(DGA_Display, DGA_Screen,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
858 srcx, srcy, w, h, dstx, dsty);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
859 }
540
4bcfb93e0dfe Greatly improved X11 DGA video speed (thanks Cezary!)
Sam Lantinga <slouken@libsdl.org>
parents: 462
diff changeset
860 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
861 pXFlush(DGA_Display);
540
4bcfb93e0dfe Greatly improved X11 DGA video speed (thanks Cezary!)
Sam Lantinga <slouken@libsdl.org>
parents: 462
diff changeset
862 }
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
863 DGA_AddBusySurface(src);
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
864 DGA_AddBusySurface(dst);
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
865 UNLOCK_DISPLAY();
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
866 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
867 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
868
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
869 static int DGA_CheckHWBlit(_THIS, SDL_Surface *src, SDL_Surface *dst)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
870 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
871 int accelerated;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
872
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
873 /* Set initial acceleration on */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
874 src->flags |= SDL_HWACCEL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
875
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
876 /* Set the surface attributes */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
877 if ( (src->flags & SDL_SRCALPHA) == SDL_SRCALPHA ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
878 if ( ! this->info.blit_hw_A ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
879 src->flags &= ~SDL_HWACCEL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
880 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
881 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
882 if ( (src->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
883 if ( ! this->info.blit_hw_CC ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
884 src->flags &= ~SDL_HWACCEL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
885 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
886 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
887
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
888 /* Check to see if final surface blit is accelerated */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
889 accelerated = !!(src->flags & SDL_HWACCEL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
890 if ( accelerated ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
891 src->map->hw_blit = HWAccelBlit;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
892 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
893 return(accelerated);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
894 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
895
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
896 static __inline__ void DGA_WaitFlip(_THIS)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
897 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
898 if ( was_flipped ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
899 while ( SDL_NAME(XDGAGetViewportStatus)(DGA_Display, DGA_Screen) )
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
900 /* Keep waiting for the hardware ... */ ;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
901 was_flipped = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
902 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
903 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
904
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
905 static int DGA_LockHWSurface(_THIS, SDL_Surface *surface)
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 if ( surface == this->screen ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
908 SDL_mutexP(hw_lock);
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
909 LOCK_DISPLAY();
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
910 if ( DGA_IsSurfaceBusy(surface) ) {
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
911 DGA_WaitBusySurfaces(this);
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
912 }
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
913 DGA_WaitFlip(this);
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
914 UNLOCK_DISPLAY();
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
915 } else {
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
916 if ( DGA_IsSurfaceBusy(surface) ) {
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
917 LOCK_DISPLAY();
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
918 DGA_WaitBusySurfaces(this);
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
919 UNLOCK_DISPLAY();
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
920 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
921 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
922 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
923 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
924 static void DGA_UnlockHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
925 {
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
926 if ( surface == this->screen ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
927 SDL_mutexV(hw_lock);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
928 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
929 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
930
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
931 static int DGA_FlipHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
932 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
933 /* 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
934 LOCK_DISPLAY();
105
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
935 if ( DGA_IsSurfaceBusy(this->screen) ) {
2136ea8953f9 Some minor name changes to clean up
Sam Lantinga <slouken@lokigames.com>
parents: 102
diff changeset
936 DGA_WaitBusySurfaces(this);
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
937 }
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
938 DGA_WaitFlip(this);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
939 SDL_NAME(XDGASetViewport)(DGA_Display, DGA_Screen,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
940 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
941 pXFlush(DGA_Display);
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
942 UNLOCK_DISPLAY();
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
943 was_flipped = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
944 flip_page = !flip_page;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
945
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
946 surface->pixels = flip_address[flip_page];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
947 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
948 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
949
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
950 static void DGA_DirectUpdate(_THIS, int numrects, SDL_Rect *rects)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
951 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
952 /* The application is already updating the visible video memory */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
953 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
954 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
955
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
956 static int DGA_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
957 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
958 int i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
959 XColor *xcmap;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
960
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
961 /* This happens on initialization */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
962 if ( ! DGA_colormap ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
963 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
964 }
1338
604d73db6802 Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents: 1336
diff changeset
965 xcmap = SDL_stack_alloc(XColor, ncolors);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
966 for ( i=0; i<ncolors; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
967 xcmap[i].pixel = firstcolor + i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
968 xcmap[i].red = (colors[i].r<<8)|colors[i].r;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
969 xcmap[i].green = (colors[i].g<<8)|colors[i].g;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
970 xcmap[i].blue = (colors[i].b<<8)|colors[i].b;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
971 xcmap[i].flags = (DoRed|DoGreen|DoBlue);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
972 }
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
973 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
974 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
975 pXSync(DGA_Display, False);
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
976 UNLOCK_DISPLAY();
1338
604d73db6802 Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents: 1336
diff changeset
977 SDL_stack_free(xcmap);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
978
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
979 /* That was easy. :) */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
980 return(1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
981 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
982
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
983 int DGA_SetGammaRamp(_THIS, Uint16 *ramp)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
984 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
985 int i, ncolors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
986 XColor xcmap[256];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
987
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
988 /* See if actually setting the gamma is supported */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
989 if ( DGA_visualClass != DirectColor ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
990 SDL_SetError("Gamma correction not supported on this visual");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
991 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
992 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
993
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
994 /* Calculate the appropriate palette for the given gamma ramp */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
995 if ( this->screen->format->BitsPerPixel <= 16 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
996 ncolors = 64; /* Is this right? */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
997 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
998 ncolors = 256;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
999 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1000 for ( i=0; i<ncolors; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1001 Uint8 c = (256 * i / ncolors);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1002 xcmap[i].pixel = SDL_MapRGB(this->screen->format, c, c, c);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1003 xcmap[i].red = ramp[0*256+c];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1004 xcmap[i].green = ramp[1*256+c];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1005 xcmap[i].blue = ramp[2*256+c];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1006 xcmap[i].flags = (DoRed|DoGreen|DoBlue);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1007 }
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1008 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
1009 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
1010 pXSync(DGA_Display, False);
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1011 UNLOCK_DISPLAY();
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1012 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1013 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1014
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1015 void DGA_VideoQuit(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1016 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1017 int i, j;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1018
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1019 if ( DGA_Display ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1020 /* Free colormap, if necessary */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1021 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
1022 pXFreeColormap(DGA_Display, DGA_colormap);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1023 DGA_colormap = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1024 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1025
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1026 /* Unmap memory and reset video mode */
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
1027 SDL_NAME(XDGACloseFramebuffer)(DGA_Display, DGA_Screen);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1028 if ( this->screen ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1029 /* Tell SDL not to free the pixels */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1030 this->screen->pixels = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1031 }
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
1032 SDL_NAME(XDGASetMode)(DGA_Display, DGA_Screen, 0);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1033
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1034 /* Clear the lock mutex */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1035 if ( hw_lock != NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1036 SDL_DestroyMutex(hw_lock);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1037 hw_lock = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1038 }
101
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1039 #ifdef LOCK_DGA_DISPLAY
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1040 if ( event_lock != NULL ) {
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1041 SDL_DestroyMutex(event_lock);
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1042 event_lock = NULL;
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1043 }
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1044 #endif /* LOCK_DGA_DISPLAY */
825b2fa28e2e DGA video driver is now thread-safe
Sam Lantinga <slouken@lokigames.com>
parents: 91
diff changeset
1045
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1046
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1047 /* Clean up defined video modes */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1048 for ( i=0; i<NUM_MODELISTS; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1049 if ( SDL_modelist[i] != NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1050 for ( j=0; SDL_modelist[i][j]; ++j ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
1051 SDL_free(SDL_modelist[i][j]);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1052 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
1053 SDL_free(SDL_modelist[i]);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1054 SDL_modelist[i] = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1055 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1056 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1057
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1058 /* Clean up the memory bucket list */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1059 DGA_FreeHWSurfaces(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1060
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1061 /* 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
1062 pXCloseDisplay(DGA_Display);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1063 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1064 }