diff options
Diffstat (limited to 'apps/plugins/sdl/src/video/dga')
-rw-r--r-- | apps/plugins/sdl/src/video/dga/SDL_dgaevents.c | 163 | ||||
-rw-r--r-- | apps/plugins/sdl/src/video/dga/SDL_dgaevents_c.h | 28 | ||||
-rw-r--r-- | apps/plugins/sdl/src/video/dga/SDL_dgamouse.c | 35 | ||||
-rw-r--r-- | apps/plugins/sdl/src/video/dga/SDL_dgamouse_c.h | 26 | ||||
-rw-r--r-- | apps/plugins/sdl/src/video/dga/SDL_dgavideo.c | 1101 | ||||
-rw-r--r-- | apps/plugins/sdl/src/video/dga/SDL_dgavideo.h | 124 |
6 files changed, 0 insertions, 1477 deletions
diff --git a/apps/plugins/sdl/src/video/dga/SDL_dgaevents.c b/apps/plugins/sdl/src/video/dga/SDL_dgaevents.c deleted file mode 100644 index 4e6d5f054f..0000000000 --- a/apps/plugins/sdl/src/video/dga/SDL_dgaevents.c +++ /dev/null | |||
@@ -1,163 +0,0 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 of the License, or (at your option) any later version. | ||
9 | |||
10 | This library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with this library; if not, write to the Free Software | ||
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | */ | ||
22 | #include "SDL_config.h" | ||
23 | |||
24 | /* Handle the event stream, converting DGA events into SDL events */ | ||
25 | |||
26 | #include <stdio.h> | ||
27 | #include <X11/Xlib.h> | ||
28 | #include "../Xext/extensions/xf86dga.h" | ||
29 | |||
30 | #include "SDL_timer.h" | ||
31 | #include "../SDL_sysvideo.h" | ||
32 | #include "../../events/SDL_events_c.h" | ||
33 | #include "SDL_dgavideo.h" | ||
34 | #include "SDL_dgaevents_c.h" | ||
35 | |||
36 | /* get function pointers... */ | ||
37 | #include "../x11/SDL_x11dyn.h" | ||
38 | |||
39 | /* Heheh we're using X11 event code */ | ||
40 | extern int X11_Pending(Display *display); | ||
41 | extern void X11_InitKeymap(void); | ||
42 | extern SDLKey X11_TranslateKeycode(Display *display, KeyCode kc); | ||
43 | |||
44 | static int DGA_DispatchEvent(_THIS) | ||
45 | { | ||
46 | int posted; | ||
47 | SDL_NAME(XDGAEvent) xevent; | ||
48 | |||
49 | XNextEvent(DGA_Display, (XEvent *)&xevent); | ||
50 | |||
51 | posted = 0; | ||
52 | xevent.type -= DGA_event_base; | ||
53 | switch (xevent.type) { | ||
54 | |||
55 | /* Mouse motion? */ | ||
56 | case MotionNotify: { | ||
57 | if ( SDL_VideoSurface ) { | ||
58 | posted = SDL_PrivateMouseMotion(0, 1, | ||
59 | xevent.xmotion.dx, xevent.xmotion.dy); | ||
60 | } | ||
61 | } | ||
62 | break; | ||
63 | |||
64 | /* Mouse button press? */ | ||
65 | case ButtonPress: { | ||
66 | posted = SDL_PrivateMouseButton(SDL_PRESSED, | ||
67 | xevent.xbutton.button, 0, 0); | ||
68 | } | ||
69 | break; | ||
70 | |||
71 | /* Mouse button release? */ | ||
72 | case ButtonRelease: { | ||
73 | posted = SDL_PrivateMouseButton(SDL_RELEASED, | ||
74 | xevent.xbutton.button, 0, 0); | ||
75 | } | ||
76 | break; | ||
77 | |||
78 | /* Key press? */ | ||
79 | case KeyPress: { | ||
80 | SDL_keysym keysym; | ||
81 | KeyCode keycode; | ||
82 | XKeyEvent xkey; | ||
83 | |||
84 | SDL_NAME(XDGAKeyEventToXKeyEvent)(&xevent.xkey, &xkey); | ||
85 | keycode = xkey.keycode; | ||
86 | #ifdef DEBUG_XEVENTS | ||
87 | printf("KeyPress (X11 keycode = 0x%X)\n", xkey.keycode); | ||
88 | #endif | ||
89 | /* Get the translated SDL virtual keysym */ | ||
90 | keysym.scancode = keycode; | ||
91 | keysym.sym = X11_TranslateKeycode(DGA_Display, keycode); | ||
92 | keysym.mod = KMOD_NONE; | ||
93 | keysym.unicode = 0; | ||
94 | |||
95 | /* Look up the translated value for the key event */ | ||
96 | if ( SDL_TranslateUNICODE ) { | ||
97 | static XComposeStatus state; | ||
98 | char keybuf[32]; | ||
99 | |||
100 | if ( XLookupString(&xkey, keybuf, sizeof(keybuf), NULL, &state) ) { | ||
101 | /* | ||
102 | * FIXME: XLookupString() may yield more than one | ||
103 | * character, so we need a mechanism to allow for | ||
104 | * this (perhaps null keypress events with a | ||
105 | * unicode value) | ||
106 | */ | ||
107 | keysym.unicode = (Uint8)keybuf[0]; | ||
108 | } | ||
109 | } | ||
110 | posted = SDL_PrivateKeyboard(SDL_PRESSED, &keysym); | ||
111 | } | ||
112 | break; | ||
113 | |||
114 | /* Key release? */ | ||
115 | case KeyRelease: { | ||
116 | SDL_keysym keysym; | ||
117 | KeyCode keycode; | ||
118 | XKeyEvent xkey; | ||
119 | |||
120 | SDL_NAME(XDGAKeyEventToXKeyEvent)(&xevent.xkey, &xkey); | ||
121 | keycode = xkey.keycode; | ||
122 | #ifdef DEBUG_XEVENTS | ||
123 | printf("KeyRelease (X11 keycode = 0x%X)\n", xkey.keycode); | ||
124 | #endif | ||
125 | /* Get the translated SDL virtual keysym */ | ||
126 | keysym.scancode = keycode; | ||
127 | keysym.sym = X11_TranslateKeycode(DGA_Display, keycode); | ||
128 | keysym.mod = KMOD_NONE; | ||
129 | keysym.unicode = 0; | ||
130 | posted = SDL_PrivateKeyboard(SDL_RELEASED, &keysym); | ||
131 | } | ||
132 | break; | ||
133 | } | ||
134 | return(posted); | ||
135 | } | ||
136 | |||
137 | void DGA_PumpEvents(_THIS) | ||
138 | { | ||
139 | /* Keep processing pending events */ | ||
140 | LOCK_DISPLAY(); | ||
141 | |||
142 | /* Update activity every five seconds to prevent screensaver. --ryan. */ | ||
143 | if (!allow_screensaver) { | ||
144 | static Uint32 screensaverTicks; | ||
145 | Uint32 nowTicks = SDL_GetTicks(); | ||
146 | if ((nowTicks - screensaverTicks) > 5000) { | ||
147 | XResetScreenSaver(DGA_Display); | ||
148 | screensaverTicks = nowTicks; | ||
149 | } | ||
150 | } | ||
151 | |||
152 | while ( X11_Pending(DGA_Display) ) { | ||
153 | DGA_DispatchEvent(this); | ||
154 | } | ||
155 | |||
156 | UNLOCK_DISPLAY(); | ||
157 | } | ||
158 | |||
159 | void DGA_InitOSKeymap(_THIS) | ||
160 | { | ||
161 | X11_InitKeymap(); | ||
162 | } | ||
163 | |||
diff --git a/apps/plugins/sdl/src/video/dga/SDL_dgaevents_c.h b/apps/plugins/sdl/src/video/dga/SDL_dgaevents_c.h deleted file mode 100644 index 45f8cc59ea..0000000000 --- a/apps/plugins/sdl/src/video/dga/SDL_dgaevents_c.h +++ /dev/null | |||
@@ -1,28 +0,0 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 of the License, or (at your option) any later version. | ||
9 | |||
10 | This library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with this library; if not, write to the Free Software | ||
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | */ | ||
22 | #include "SDL_config.h" | ||
23 | |||
24 | #include "SDL_dgavideo.h" | ||
25 | |||
26 | /* Functions to be exported */ | ||
27 | extern void DGA_PumpEvents(_THIS); | ||
28 | extern void DGA_InitOSKeymap(_THIS); | ||
diff --git a/apps/plugins/sdl/src/video/dga/SDL_dgamouse.c b/apps/plugins/sdl/src/video/dga/SDL_dgamouse.c deleted file mode 100644 index 43bc5d6ea8..0000000000 --- a/apps/plugins/sdl/src/video/dga/SDL_dgamouse.c +++ /dev/null | |||
@@ -1,35 +0,0 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 of the License, or (at your option) any later version. | ||
9 | |||
10 | This library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with this library; if not, write to the Free Software | ||
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | */ | ||
22 | #include "SDL_config.h" | ||
23 | |||
24 | #include <stdio.h> | ||
25 | |||
26 | #include "SDL_mouse.h" | ||
27 | #include "../../events/SDL_events_c.h" | ||
28 | #include "SDL_dgavideo.h" | ||
29 | #include "SDL_dgamouse_c.h" | ||
30 | |||
31 | |||
32 | /* The implementation dependent data for the window manager cursor */ | ||
33 | struct WMcursor { | ||
34 | int unused; | ||
35 | }; | ||
diff --git a/apps/plugins/sdl/src/video/dga/SDL_dgamouse_c.h b/apps/plugins/sdl/src/video/dga/SDL_dgamouse_c.h deleted file mode 100644 index 4ea8b21417..0000000000 --- a/apps/plugins/sdl/src/video/dga/SDL_dgamouse_c.h +++ /dev/null | |||
@@ -1,26 +0,0 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 of the License, or (at your option) any later version. | ||
9 | |||
10 | This library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with this library; if not, write to the Free Software | ||
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | */ | ||
22 | #include "SDL_config.h" | ||
23 | |||
24 | #include "SDL_dgavideo.h" | ||
25 | |||
26 | /* Functions to be exported */ | ||
diff --git a/apps/plugins/sdl/src/video/dga/SDL_dgavideo.c b/apps/plugins/sdl/src/video/dga/SDL_dgavideo.c deleted file mode 100644 index 267d5cc335..0000000000 --- a/apps/plugins/sdl/src/video/dga/SDL_dgavideo.c +++ /dev/null | |||
@@ -1,1101 +0,0 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 of the License, or (at your option) any later version. | ||
9 | |||
10 | This library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with this library; if not, write to the Free Software | ||
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | */ | ||
22 | #include "SDL_config.h" | ||
23 | |||
24 | /* DGA 2.0 based SDL video driver implementation. | ||
25 | */ | ||
26 | |||
27 | #include <stdio.h> | ||
28 | |||
29 | #include <X11/Xlib.h> | ||
30 | #include "../Xext/extensions/xf86dga.h" | ||
31 | |||
32 | #include "SDL_video.h" | ||
33 | #include "SDL_mouse.h" | ||
34 | #include "../SDL_sysvideo.h" | ||
35 | #include "../SDL_pixels_c.h" | ||
36 | #include "../../events/SDL_events_c.h" | ||
37 | #include "SDL_dgavideo.h" | ||
38 | #include "SDL_dgamouse_c.h" | ||
39 | #include "SDL_dgaevents_c.h" | ||
40 | |||
41 | /* get function pointers... */ | ||
42 | #include "../x11/SDL_x11dyn.h" | ||
43 | |||
44 | /*#define DGA_DEBUG*/ | ||
45 | |||
46 | /* Initialization/Query functions */ | ||
47 | static int DGA_VideoInit(_THIS, SDL_PixelFormat *vformat); | ||
48 | static SDL_Rect **DGA_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); | ||
49 | static SDL_Surface *DGA_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); | ||
50 | static int DGA_SetColors(_THIS, int firstcolor, int ncolors, | ||
51 | SDL_Color *colors); | ||
52 | static int DGA_SetGammaRamp(_THIS, Uint16 *ramp); | ||
53 | static void DGA_VideoQuit(_THIS); | ||
54 | |||
55 | /* Hardware surface functions */ | ||
56 | static int DGA_InitHWSurfaces(_THIS, SDL_Surface *screen, Uint8 *base, int size); | ||
57 | static void DGA_FreeHWSurfaces(_THIS); | ||
58 | static int DGA_AllocHWSurface(_THIS, SDL_Surface *surface); | ||
59 | static int DGA_FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color); | ||
60 | static int DGA_CheckHWBlit(_THIS, SDL_Surface *src, SDL_Surface *dst); | ||
61 | static int DGA_LockHWSurface(_THIS, SDL_Surface *surface); | ||
62 | static void DGA_UnlockHWSurface(_THIS, SDL_Surface *surface); | ||
63 | static void DGA_FreeHWSurface(_THIS, SDL_Surface *surface); | ||
64 | static int DGA_FlipHWSurface(_THIS, SDL_Surface *surface); | ||
65 | |||
66 | /* DGA driver bootstrap functions */ | ||
67 | |||
68 | static int DGA_Available(void) | ||
69 | { | ||
70 | const char *display = NULL; | ||
71 | Display *dpy = NULL; | ||
72 | int available = 0; | ||
73 | |||
74 | /* The driver is available is available if the display is local | ||
75 | and the DGA 2.0+ extension is available, and we can map mem. | ||
76 | */ | ||
77 | if ( SDL_X11_LoadSymbols() ) { | ||
78 | if ( (SDL_strncmp(XDisplayName(display), ":", 1) == 0) || | ||
79 | (SDL_strncmp(XDisplayName(display), "unix:", 5) == 0) ) { | ||
80 | dpy = XOpenDisplay(display); | ||
81 | if ( dpy ) { | ||
82 | int events, errors, major, minor; | ||
83 | |||
84 | if ( SDL_NAME(XDGAQueryExtension)(dpy, &events, &errors) && | ||
85 | SDL_NAME(XDGAQueryVersion)(dpy, &major, &minor) ) { | ||
86 | int screen; | ||
87 | |||
88 | screen = DefaultScreen(dpy); | ||
89 | if ( (major >= 2) && | ||
90 | SDL_NAME(XDGAOpenFramebuffer)(dpy, screen) ) { | ||
91 | available = 1; | ||
92 | SDL_NAME(XDGACloseFramebuffer)(dpy, screen); | ||
93 | } | ||
94 | } | ||
95 | XCloseDisplay(dpy); | ||
96 | } | ||
97 | } | ||
98 | SDL_X11_UnloadSymbols(); | ||
99 | } | ||
100 | return(available); | ||
101 | } | ||
102 | |||
103 | static void DGA_DeleteDevice(SDL_VideoDevice *device) | ||
104 | { | ||
105 | if (device != NULL) { | ||
106 | SDL_free(device->hidden); | ||
107 | SDL_free(device); | ||
108 | SDL_X11_UnloadSymbols(); | ||
109 | } | ||
110 | } | ||
111 | |||
112 | static SDL_VideoDevice *DGA_CreateDevice(int devindex) | ||
113 | { | ||
114 | SDL_VideoDevice *device = NULL; | ||
115 | |||
116 | /* Initialize all variables that we clean on shutdown */ | ||
117 | if (SDL_X11_LoadSymbols()) { | ||
118 | device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); | ||
119 | if ( device ) { | ||
120 | SDL_memset(device, 0, (sizeof *device)); | ||
121 | device->hidden = (struct SDL_PrivateVideoData *) | ||
122 | SDL_malloc((sizeof *device->hidden)); | ||
123 | } | ||
124 | if ( (device == NULL) || (device->hidden == NULL) ) { | ||
125 | SDL_OutOfMemory(); | ||
126 | if ( device ) { | ||
127 | SDL_free(device); | ||
128 | } | ||
129 | SDL_X11_UnloadSymbols(); | ||
130 | return(0); | ||
131 | } | ||
132 | SDL_memset(device->hidden, 0, (sizeof *device->hidden)); | ||
133 | |||
134 | /* Set the function pointers */ | ||
135 | device->VideoInit = DGA_VideoInit; | ||
136 | device->ListModes = DGA_ListModes; | ||
137 | device->SetVideoMode = DGA_SetVideoMode; | ||
138 | device->SetColors = DGA_SetColors; | ||
139 | device->UpdateRects = NULL; | ||
140 | device->VideoQuit = DGA_VideoQuit; | ||
141 | device->AllocHWSurface = DGA_AllocHWSurface; | ||
142 | device->CheckHWBlit = DGA_CheckHWBlit; | ||
143 | device->FillHWRect = DGA_FillHWRect; | ||
144 | device->SetHWColorKey = NULL; | ||
145 | device->SetHWAlpha = NULL; | ||
146 | device->LockHWSurface = DGA_LockHWSurface; | ||
147 | device->UnlockHWSurface = DGA_UnlockHWSurface; | ||
148 | device->FlipHWSurface = DGA_FlipHWSurface; | ||
149 | device->FreeHWSurface = DGA_FreeHWSurface; | ||
150 | device->SetGammaRamp = DGA_SetGammaRamp; | ||
151 | device->GetGammaRamp = NULL; | ||
152 | device->SetCaption = NULL; | ||
153 | device->SetIcon = NULL; | ||
154 | device->IconifyWindow = NULL; | ||
155 | device->GrabInput = NULL; | ||
156 | device->GetWMInfo = NULL; | ||
157 | device->InitOSKeymap = DGA_InitOSKeymap; | ||
158 | device->PumpEvents = DGA_PumpEvents; | ||
159 | |||
160 | device->free = DGA_DeleteDevice; | ||
161 | } | ||
162 | |||
163 | return device; | ||
164 | } | ||
165 | |||
166 | VideoBootStrap DGA_bootstrap = { | ||
167 | "dga", "XFree86 DGA 2.0", | ||
168 | DGA_Available, DGA_CreateDevice | ||
169 | }; | ||
170 | |||
171 | static int DGA_AddMode(_THIS, int bpp, int w, int h) | ||
172 | { | ||
173 | SDL_Rect *mode; | ||
174 | int index; | ||
175 | int next_mode; | ||
176 | |||
177 | /* Check to see if we already have this mode */ | ||
178 | if ( bpp < 8 ) { /* Not supported */ | ||
179 | return(0); | ||
180 | } | ||
181 | index = ((bpp+7)/8)-1; | ||
182 | if ( SDL_nummodes[index] > 0 ) { | ||
183 | mode = SDL_modelist[index][SDL_nummodes[index]-1]; | ||
184 | if ( (mode->w == w) && (mode->h == h) ) { | ||
185 | return(0); | ||
186 | } | ||
187 | } | ||
188 | |||
189 | /* Set up the new video mode rectangle */ | ||
190 | mode = (SDL_Rect *)SDL_malloc(sizeof *mode); | ||
191 | if ( mode == NULL ) { | ||
192 | SDL_OutOfMemory(); | ||
193 | return(-1); | ||
194 | } | ||
195 | mode->x = 0; | ||
196 | mode->y = 0; | ||
197 | mode->w = w; | ||
198 | mode->h = h; | ||
199 | |||
200 | /* Allocate the new list of modes, and fill in the new mode */ | ||
201 | next_mode = SDL_nummodes[index]; | ||
202 | SDL_modelist[index] = (SDL_Rect **) | ||
203 | SDL_realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *)); | ||
204 | if ( SDL_modelist[index] == NULL ) { | ||
205 | SDL_OutOfMemory(); | ||
206 | SDL_nummodes[index] = 0; | ||
207 | SDL_free(mode); | ||
208 | return(-1); | ||
209 | } | ||
210 | SDL_modelist[index][next_mode] = mode; | ||
211 | SDL_modelist[index][next_mode+1] = NULL; | ||
212 | SDL_nummodes[index]++; | ||
213 | |||
214 | return(0); | ||
215 | } | ||
216 | |||
217 | /* This whole function is a hack. :) */ | ||
218 | static Uint32 get_video_size(_THIS) | ||
219 | { | ||
220 | /* This is a non-exported function from libXxf86dga.a */ | ||
221 | extern unsigned char *SDL_NAME(XDGAGetMappedMemory)(int screen); | ||
222 | FILE *proc; | ||
223 | unsigned long mem; | ||
224 | unsigned start, stop; | ||
225 | char line[BUFSIZ]; | ||
226 | Uint32 size; | ||
227 | |||
228 | mem = (unsigned long)SDL_NAME(XDGAGetMappedMemory)(DGA_Screen); | ||
229 | size = 0; | ||
230 | proc = fopen("/proc/self/maps", "r"); | ||
231 | if ( proc ) { | ||
232 | while ( fgets(line, sizeof(line)-1, proc) ) { | ||
233 | SDL_sscanf(line, "%x-%x", &start, &stop); | ||
234 | if ( start == mem ) { | ||
235 | size = (Uint32)((stop-start)/1024); | ||
236 | break; | ||
237 | } | ||
238 | } | ||
239 | fclose(proc); | ||
240 | } | ||
241 | return(size); | ||
242 | } | ||
243 | |||
244 | #ifdef DGA_DEBUG | ||
245 | static void PrintMode(SDL_NAME(XDGAMode) *mode) | ||
246 | { | ||
247 | printf("Mode: %s (%dx%d) at %d bpp (%f refresh, %d pitch) num: %d\n", | ||
248 | mode->name, | ||
249 | mode->viewportWidth, mode->viewportHeight, | ||
250 | mode->depth == 24 ? mode->bitsPerPixel : mode->depth, | ||
251 | mode->verticalRefresh, mode->bytesPerScanline, mode->num); | ||
252 | printf("\tRGB: 0x%8.8x 0x%8.8x 0x%8.8x (%d - %s)\n", | ||
253 | mode->redMask, mode->greenMask, mode->blueMask, | ||
254 | mode->visualClass, | ||
255 | mode->visualClass == TrueColor ? "truecolor" : | ||
256 | mode->visualClass == DirectColor ? "directcolor" : | ||
257 | mode->visualClass == PseudoColor ? "pseudocolor" : "unknown"); | ||
258 | printf("\tFlags: "); | ||
259 | if ( mode->flags & XDGAConcurrentAccess ) | ||
260 | printf(" XDGAConcurrentAccess"); | ||
261 | if ( mode->flags & XDGASolidFillRect ) | ||
262 | printf(" XDGASolidFillRect"); | ||
263 | if ( mode->flags & XDGABlitRect ) | ||
264 | printf(" XDGABlitRect"); | ||
265 | if ( mode->flags & XDGABlitTransRect ) | ||
266 | printf(" XDGABlitTransRect"); | ||
267 | if ( mode->flags & XDGAPixmap ) | ||
268 | printf(" XDGAPixmap"); | ||
269 | if ( mode->flags & XDGAInterlaced ) | ||
270 | printf(" XDGAInterlaced"); | ||
271 | if ( mode->flags & XDGADoublescan ) | ||
272 | printf(" XDGADoublescan"); | ||
273 | if ( mode->viewportFlags & XDGAFlipRetrace ) | ||
274 | printf(" XDGAFlipRetrace"); | ||
275 | if ( mode->viewportFlags & XDGAFlipImmediate ) | ||
276 | printf(" XDGAFlipImmediate"); | ||
277 | printf("\n"); | ||
278 | } | ||
279 | #endif /* DGA_DEBUG */ | ||
280 | |||
281 | static int cmpmodes(const void *va, const void *vb) | ||
282 | { | ||
283 | const SDL_NAME(XDGAMode) *a = (const SDL_NAME(XDGAMode) *)va; | ||
284 | const SDL_NAME(XDGAMode) *b = (const SDL_NAME(XDGAMode) *)vb; | ||
285 | |||
286 | if ( (a->viewportWidth == b->viewportWidth) && | ||
287 | (b->viewportHeight == a->viewportHeight) ) { | ||
288 | /* Prefer 32 bpp over 24 bpp, 16 bpp over 15 bpp */ | ||
289 | int a_bpp = a->depth == 24 ? a->bitsPerPixel : a->depth; | ||
290 | int b_bpp = b->depth == 24 ? b->bitsPerPixel : b->depth; | ||
291 | if ( a_bpp != b_bpp ) { | ||
292 | return b_bpp - a_bpp; | ||
293 | } | ||
294 | /* Prefer DirectColor visuals, for gamma support */ | ||
295 | if ( a->visualClass == DirectColor && b->visualClass != DirectColor ) | ||
296 | return -1; | ||
297 | if ( b->visualClass == DirectColor && a->visualClass != DirectColor ) | ||
298 | return 1; | ||
299 | /* Maintain server refresh rate sorting */ | ||
300 | return a->num - b->num; | ||
301 | } else if ( a->viewportWidth == b->viewportWidth ) { | ||
302 | return b->viewportHeight - a->viewportHeight; | ||
303 | } else { | ||
304 | return b->viewportWidth - a->viewportWidth; | ||
305 | } | ||
306 | } | ||
307 | static void UpdateHWInfo(_THIS, SDL_NAME(XDGAMode) *mode) | ||
308 | { | ||
309 | this->info.wm_available = 0; | ||
310 | this->info.hw_available = 1; | ||
311 | if ( mode->flags & XDGABlitRect ) { | ||
312 | this->info.blit_hw = 1; | ||
313 | } else { | ||
314 | this->info.blit_hw = 0; | ||
315 | } | ||
316 | if ( mode->flags & XDGABlitTransRect ) { | ||
317 | this->info.blit_hw_CC = 1; | ||
318 | } else { | ||
319 | this->info.blit_hw_CC = 0; | ||
320 | } | ||
321 | if ( mode->flags & XDGASolidFillRect ) { | ||
322 | this->info.blit_fill = 1; | ||
323 | } else { | ||
324 | this->info.blit_fill = 0; | ||
325 | } | ||
326 | this->info.video_mem = get_video_size(this); | ||
327 | } | ||
328 | |||
329 | static int DGA_VideoInit(_THIS, SDL_PixelFormat *vformat) | ||
330 | { | ||
331 | const char *env; | ||
332 | const char *display; | ||
333 | int event_base, error_base; | ||
334 | int major_version, minor_version; | ||
335 | Visual *visual; | ||
336 | SDL_NAME(XDGAMode) *modes; | ||
337 | int i, num_modes; | ||
338 | |||
339 | /* Open the X11 display */ | ||
340 | display = NULL; /* Get it from DISPLAY environment variable */ | ||
341 | |||
342 | DGA_Display = XOpenDisplay(display); | ||
343 | if ( DGA_Display == NULL ) { | ||
344 | SDL_SetError("Couldn't open X11 display"); | ||
345 | return(-1); | ||
346 | } | ||
347 | |||
348 | /* Check for the DGA extension */ | ||
349 | if ( ! SDL_NAME(XDGAQueryExtension)(DGA_Display, &event_base, &error_base) || | ||
350 | ! SDL_NAME(XDGAQueryVersion)(DGA_Display, &major_version, &minor_version) ) { | ||
351 | SDL_SetError("DGA extension not available"); | ||
352 | XCloseDisplay(DGA_Display); | ||
353 | return(-1); | ||
354 | } | ||
355 | if ( major_version < 2 ) { | ||
356 | SDL_SetError("DGA driver requires DGA 2.0 or newer"); | ||
357 | XCloseDisplay(DGA_Display); | ||
358 | return(-1); | ||
359 | } | ||
360 | DGA_event_base = event_base; | ||
361 | |||
362 | /* Determine the current screen size */ | ||
363 | this->info.current_w = DisplayWidth(DGA_Display, DGA_Screen); | ||
364 | this->info.current_h = DisplayHeight(DGA_Display, DGA_Screen); | ||
365 | |||
366 | /* Determine the current screen depth */ | ||
367 | visual = DefaultVisual(DGA_Display, DGA_Screen); | ||
368 | { | ||
369 | XPixmapFormatValues *pix_format; | ||
370 | int i, num_formats; | ||
371 | |||
372 | vformat->BitsPerPixel = DefaultDepth(DGA_Display, DGA_Screen); | ||
373 | pix_format = XListPixmapFormats(DGA_Display, &num_formats); | ||
374 | if ( pix_format == NULL ) { | ||
375 | SDL_SetError("Couldn't determine screen formats"); | ||
376 | XCloseDisplay(DGA_Display); | ||
377 | return(-1); | ||
378 | } | ||
379 | for ( i=0; i<num_formats; ++i ) { | ||
380 | if ( vformat->BitsPerPixel == pix_format[i].depth ) | ||
381 | break; | ||
382 | } | ||
383 | if ( i != num_formats ) | ||
384 | vformat->BitsPerPixel = pix_format[i].bits_per_pixel; | ||
385 | XFree((char *)pix_format); | ||
386 | } | ||
387 | if ( vformat->BitsPerPixel > 8 ) { | ||
388 | vformat->Rmask = visual->red_mask; | ||
389 | vformat->Gmask = visual->green_mask; | ||
390 | vformat->Bmask = visual->blue_mask; | ||
391 | } | ||
392 | |||
393 | /* Open access to the framebuffer */ | ||
394 | if ( ! SDL_NAME(XDGAOpenFramebuffer)(DGA_Display, DGA_Screen) ) { | ||
395 | SDL_SetError("Unable to map the video memory"); | ||
396 | XCloseDisplay(DGA_Display); | ||
397 | return(-1); | ||
398 | } | ||
399 | |||
400 | /* Allow environment override of screensaver disable. */ | ||
401 | env = SDL_getenv("SDL_VIDEO_ALLOW_SCREENSAVER"); | ||
402 | if ( env ) { | ||
403 | allow_screensaver = SDL_atoi(env); | ||
404 | } else { | ||
405 | #ifdef SDL_VIDEO_DISABLE_SCREENSAVER | ||
406 | allow_screensaver = 0; | ||
407 | #else | ||
408 | allow_screensaver = 1; | ||
409 | #endif | ||
410 | } | ||
411 | |||
412 | /* Query for the list of available video modes */ | ||
413 | modes = SDL_NAME(XDGAQueryModes)(DGA_Display, DGA_Screen, &num_modes); | ||
414 | SDL_qsort(modes, num_modes, sizeof *modes, cmpmodes); | ||
415 | for ( i=0; i<num_modes; ++i ) { | ||
416 | if ( ((modes[i].visualClass == PseudoColor) || | ||
417 | (modes[i].visualClass == DirectColor) || | ||
418 | (modes[i].visualClass == TrueColor)) && | ||
419 | !(modes[i].flags & (XDGAInterlaced|XDGADoublescan)) ) { | ||
420 | #ifdef DGA_DEBUG | ||
421 | PrintMode(&modes[i]); | ||
422 | #endif | ||
423 | DGA_AddMode(this, modes[i].bitsPerPixel, | ||
424 | modes[i].viewportWidth, | ||
425 | modes[i].viewportHeight); | ||
426 | } | ||
427 | } | ||
428 | UpdateHWInfo(this, modes); | ||
429 | XFree(modes); | ||
430 | |||
431 | /* Create the hardware surface lock mutex */ | ||
432 | hw_lock = SDL_CreateMutex(); | ||
433 | if ( hw_lock == NULL ) { | ||
434 | SDL_SetError("Unable to create lock mutex"); | ||
435 | DGA_VideoQuit(this); | ||
436 | return(-1); | ||
437 | } | ||
438 | |||
439 | #ifdef LOCK_DGA_DISPLAY | ||
440 | /* Create the event lock so we're thread-safe.. :-/ */ | ||
441 | event_lock = SDL_CreateMutex(); | ||
442 | #endif /* LOCK_DGA_DISPLAY */ | ||
443 | |||
444 | /* We're done! */ | ||
445 | return(0); | ||
446 | } | ||
447 | |||
448 | SDL_Rect **DGA_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) | ||
449 | { | ||
450 | return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]); | ||
451 | } | ||
452 | |||
453 | /* Various screen update functions available */ | ||
454 | static void DGA_DirectUpdate(_THIS, int numrects, SDL_Rect *rects); | ||
455 | |||
456 | SDL_Surface *DGA_SetVideoMode(_THIS, SDL_Surface *current, | ||
457 | int width, int height, int bpp, Uint32 flags) | ||
458 | { | ||
459 | SDL_NAME(XDGAMode) *modes; | ||
460 | int i, num_modes; | ||
461 | SDL_NAME(XDGADevice) *mode; | ||
462 | int screen_len; | ||
463 | Uint8 *surfaces_mem; | ||
464 | int surfaces_len; | ||
465 | |||
466 | /* Free any previous colormap */ | ||
467 | if ( DGA_colormap ) { | ||
468 | XFreeColormap(DGA_Display, DGA_colormap); | ||
469 | DGA_colormap = 0; | ||
470 | } | ||
471 | |||
472 | /* Search for a matching video mode */ | ||
473 | modes = SDL_NAME(XDGAQueryModes)(DGA_Display, DGA_Screen, &num_modes); | ||
474 | SDL_qsort(modes, num_modes, sizeof *modes, cmpmodes); | ||
475 | for ( i=0; i<num_modes; ++i ) { | ||
476 | int depth; | ||
477 | |||
478 | depth = modes[i].depth; | ||
479 | if ( depth == 24 ) { /* Distinguish between 24 and 32 bpp */ | ||
480 | depth = modes[i].bitsPerPixel; | ||
481 | } | ||
482 | if ( (depth == bpp) && | ||
483 | (modes[i].viewportWidth == width) && | ||
484 | (modes[i].viewportHeight == height) && | ||
485 | ((modes[i].visualClass == PseudoColor) || | ||
486 | (modes[i].visualClass == DirectColor) || | ||
487 | (modes[i].visualClass == TrueColor)) && | ||
488 | !(modes[i].flags & (XDGAInterlaced|XDGADoublescan)) ) { | ||
489 | break; | ||
490 | } | ||
491 | } | ||
492 | if ( i == num_modes ) { | ||
493 | SDL_SetError("No matching video mode found"); | ||
494 | return(NULL); | ||
495 | } | ||
496 | #ifdef DGA_DEBUG | ||
497 | PrintMode(&modes[i]); | ||
498 | #endif | ||
499 | |||
500 | /* Set the video mode */ | ||
501 | mode = SDL_NAME(XDGASetMode)(DGA_Display, DGA_Screen, modes[i].num); | ||
502 | XFree(modes); | ||
503 | if ( mode == NULL ) { | ||
504 | SDL_SetError("Unable to switch to requested mode"); | ||
505 | return(NULL); | ||
506 | } | ||
507 | DGA_visualClass = mode->mode.visualClass; | ||
508 | memory_base = (Uint8 *)mode->data; | ||
509 | memory_pitch = mode->mode.bytesPerScanline; | ||
510 | |||
511 | /* Set up the new mode framebuffer */ | ||
512 | current->flags = (SDL_FULLSCREEN|SDL_HWSURFACE); | ||
513 | current->w = mode->mode.viewportWidth; | ||
514 | current->h = mode->mode.viewportHeight; | ||
515 | current->pitch = memory_pitch; | ||
516 | current->pixels = memory_base; | ||
517 | if ( ! SDL_ReallocFormat(current, mode->mode.bitsPerPixel, | ||
518 | mode->mode.redMask, | ||
519 | mode->mode.greenMask, | ||
520 | mode->mode.blueMask, 0) ) { | ||
521 | return(NULL); | ||
522 | } | ||
523 | screen_len = current->h*current->pitch; | ||
524 | |||
525 | /* Create a colormap if necessary */ | ||
526 | if ( (DGA_visualClass == PseudoColor) || | ||
527 | (DGA_visualClass == DirectColor) ) { | ||
528 | DGA_colormap = SDL_NAME(XDGACreateColormap)(DGA_Display, DGA_Screen, | ||
529 | mode, AllocAll); | ||
530 | if ( DGA_visualClass == PseudoColor ) { | ||
531 | current->flags |= SDL_HWPALETTE; | ||
532 | } else { | ||
533 | /* Initialize the colormap to the identity mapping */ | ||
534 | SDL_GetGammaRamp(0, 0, 0); | ||
535 | this->screen = current; | ||
536 | DGA_SetGammaRamp(this, this->gamma); | ||
537 | this->screen = NULL; | ||
538 | } | ||
539 | } else { | ||
540 | DGA_colormap = SDL_NAME(XDGACreateColormap)(DGA_Display, DGA_Screen, | ||
541 | mode, AllocNone); | ||
542 | } | ||
543 | SDL_NAME(XDGAInstallColormap)(DGA_Display, DGA_Screen, DGA_colormap); | ||
544 | |||
545 | /* Update the hardware capabilities */ | ||
546 | UpdateHWInfo(this, &mode->mode); | ||
547 | |||
548 | /* Set up the information for hardware surfaces */ | ||
549 | surfaces_mem = (Uint8 *)current->pixels + screen_len; | ||
550 | surfaces_len = (mode->mode.imageHeight*current->pitch - screen_len); | ||
551 | |||
552 | /* Update for double-buffering, if we can */ | ||
553 | SDL_NAME(XDGASetViewport)(DGA_Display, DGA_Screen, 0, 0, XDGAFlipRetrace); | ||
554 | if ( flags & SDL_DOUBLEBUF ) { | ||
555 | if ( mode->mode.imageHeight >= (current->h*2) ) { | ||
556 | current->flags |= SDL_DOUBLEBUF; | ||
557 | flip_page = 0; | ||
558 | flip_yoffset[0] = 0; | ||
559 | flip_yoffset[1] = current->h; | ||
560 | flip_address[0] = memory_base; | ||
561 | flip_address[1] = memory_base+screen_len; | ||
562 | surfaces_mem += screen_len; | ||
563 | surfaces_len -= screen_len; | ||
564 | } | ||
565 | } | ||
566 | |||
567 | /* Allocate memory tracking for hardware surfaces */ | ||
568 | DGA_FreeHWSurfaces(this); | ||
569 | if ( surfaces_len < 0 ) { | ||
570 | surfaces_len = 0; | ||
571 | } | ||
572 | DGA_InitHWSurfaces(this, current, surfaces_mem, surfaces_len); | ||
573 | |||
574 | /* Expose the back buffer as surface memory */ | ||
575 | if ( current->flags & SDL_DOUBLEBUF ) { | ||
576 | this->screen = current; | ||
577 | DGA_FlipHWSurface(this, current); | ||
578 | this->screen = NULL; | ||
579 | } | ||
580 | |||
581 | /* Set the update rectangle function */ | ||
582 | this->UpdateRects = DGA_DirectUpdate; | ||
583 | |||
584 | /* Enable mouse and keyboard support */ | ||
585 | { long input_mask; | ||
586 | input_mask = (KeyPressMask | KeyReleaseMask); | ||
587 | input_mask |= (ButtonPressMask | ButtonReleaseMask); | ||
588 | input_mask |= PointerMotionMask; | ||
589 | SDL_NAME(XDGASelectInput)(DGA_Display, DGA_Screen, input_mask); | ||
590 | } | ||
591 | |||
592 | /* We're done */ | ||
593 | return(current); | ||
594 | } | ||
595 | |||
596 | #ifdef DGA_DEBUG | ||
597 | static void DGA_DumpHWSurfaces(_THIS) | ||
598 | { | ||
599 | vidmem_bucket *bucket; | ||
600 | |||
601 | printf("Memory left: %d (%d total)\n", surfaces_memleft, surfaces_memtotal); | ||
602 | printf("\n"); | ||
603 | printf(" Base Size\n"); | ||
604 | for ( bucket=&surfaces; bucket; bucket=bucket->next ) { | ||
605 | printf("Bucket: %p, %d (%s)\n", bucket->base, bucket->size, bucket->used ? "used" : "free"); | ||
606 | if ( bucket->prev ) { | ||
607 | if ( bucket->base != bucket->prev->base+bucket->prev->size ) { | ||
608 | printf("Warning, corrupt bucket list! (prev)\n"); | ||
609 | } | ||
610 | } else { | ||
611 | if ( bucket != &surfaces ) { | ||
612 | printf("Warning, corrupt bucket list! (!prev)\n"); | ||
613 | } | ||
614 | } | ||
615 | if ( bucket->next ) { | ||
616 | if ( bucket->next->base != bucket->base+bucket->size ) { | ||
617 | printf("Warning, corrupt bucket list! (next)\n"); | ||
618 | } | ||
619 | } | ||
620 | } | ||
621 | printf("\n"); | ||
622 | } | ||
623 | #endif | ||
624 | |||
625 | static int DGA_InitHWSurfaces(_THIS, SDL_Surface *screen, Uint8 *base, int size) | ||
626 | { | ||
627 | vidmem_bucket *bucket; | ||
628 | |||
629 | surfaces_memtotal = size; | ||
630 | surfaces_memleft = size; | ||
631 | |||
632 | if ( surfaces_memleft > 0 ) { | ||
633 | bucket = (vidmem_bucket *)SDL_malloc(sizeof(*bucket)); | ||
634 | if ( bucket == NULL ) { | ||
635 | SDL_OutOfMemory(); | ||
636 | return(-1); | ||
637 | } | ||
638 | bucket->prev = &surfaces; | ||
639 | bucket->used = 0; | ||
640 | bucket->dirty = 0; | ||
641 | bucket->base = base; | ||
642 | bucket->size = size; | ||
643 | bucket->next = NULL; | ||
644 | } else { | ||
645 | bucket = NULL; | ||
646 | } | ||
647 | |||
648 | surfaces.prev = NULL; | ||
649 | surfaces.used = 1; | ||
650 | surfaces.dirty = 0; | ||
651 | surfaces.base = screen->pixels; | ||
652 | surfaces.size = (unsigned int)((long)base - (long)surfaces.base); | ||
653 | surfaces.next = bucket; | ||
654 | screen->hwdata = (struct private_hwdata *)((char*)&surfaces); | ||
655 | return(0); | ||
656 | } | ||
657 | static void DGA_FreeHWSurfaces(_THIS) | ||
658 | { | ||
659 | vidmem_bucket *bucket, *freeable; | ||
660 | |||
661 | bucket = surfaces.next; | ||
662 | while ( bucket ) { | ||
663 | freeable = bucket; | ||
664 | bucket = bucket->next; | ||
665 | SDL_free(freeable); | ||
666 | } | ||
667 | surfaces.next = NULL; | ||
668 | } | ||
669 | |||
670 | static __inline__ void DGA_AddBusySurface(SDL_Surface *surface) | ||
671 | { | ||
672 | ((vidmem_bucket *)surface->hwdata)->dirty = 1; | ||
673 | } | ||
674 | |||
675 | static __inline__ int DGA_IsSurfaceBusy(SDL_Surface *surface) | ||
676 | { | ||
677 | return ((vidmem_bucket *)surface->hwdata)->dirty; | ||
678 | } | ||
679 | |||
680 | static __inline__ void DGA_WaitBusySurfaces(_THIS) | ||
681 | { | ||
682 | vidmem_bucket *bucket; | ||
683 | |||
684 | /* Wait for graphic operations to complete */ | ||
685 | SDL_NAME(XDGASync)(DGA_Display, DGA_Screen); | ||
686 | |||
687 | /* Clear all surface dirty bits */ | ||
688 | for ( bucket=&surfaces; bucket; bucket=bucket->next ) { | ||
689 | bucket->dirty = 0; | ||
690 | } | ||
691 | } | ||
692 | |||
693 | static int DGA_AllocHWSurface(_THIS, SDL_Surface *surface) | ||
694 | { | ||
695 | vidmem_bucket *bucket; | ||
696 | int size; | ||
697 | int extra; | ||
698 | int retval = 0; | ||
699 | |||
700 | /* Temporarily, we only allow surfaces the same width as display. | ||
701 | Some blitters require the pitch between two hardware surfaces | ||
702 | to be the same. Others have interesting alignment restrictions. | ||
703 | */ | ||
704 | if ( surface->pitch > SDL_VideoSurface->pitch ) { | ||
705 | SDL_SetError("Surface requested wider than screen"); | ||
706 | return(-1); | ||
707 | } | ||
708 | surface->pitch = SDL_VideoSurface->pitch; | ||
709 | size = surface->h * surface->pitch; | ||
710 | #ifdef DGA_DEBUG | ||
711 | fprintf(stderr, "Allocating bucket of %d bytes\n", size); | ||
712 | #endif | ||
713 | LOCK_DISPLAY(); | ||
714 | |||
715 | /* Quick check for available mem */ | ||
716 | if ( size > surfaces_memleft ) { | ||
717 | SDL_SetError("Not enough video memory"); | ||
718 | retval = -1; | ||
719 | goto done; | ||
720 | } | ||
721 | |||
722 | /* Search for an empty bucket big enough */ | ||
723 | for ( bucket=&surfaces; bucket; bucket=bucket->next ) { | ||
724 | if ( ! bucket->used && (size <= bucket->size) ) { | ||
725 | break; | ||
726 | } | ||
727 | } | ||
728 | if ( bucket == NULL ) { | ||
729 | SDL_SetError("Video memory too fragmented"); | ||
730 | retval = -1; | ||
731 | goto done; | ||
732 | } | ||
733 | |||
734 | /* Create a new bucket for left-over memory */ | ||
735 | extra = (bucket->size - size); | ||
736 | if ( extra ) { | ||
737 | vidmem_bucket *newbucket; | ||
738 | |||
739 | #ifdef DGA_DEBUG | ||
740 | fprintf(stderr, "Adding new free bucket of %d bytes\n", extra); | ||
741 | #endif | ||
742 | newbucket = (vidmem_bucket *)SDL_malloc(sizeof(*newbucket)); | ||
743 | if ( newbucket == NULL ) { | ||
744 | SDL_OutOfMemory(); | ||
745 | retval = -1; | ||
746 | goto done; | ||
747 | } | ||
748 | newbucket->prev = bucket; | ||
749 | newbucket->used = 0; | ||
750 | newbucket->base = bucket->base+size; | ||
751 | newbucket->size = extra; | ||
752 | newbucket->next = bucket->next; | ||
753 | if ( bucket->next ) { | ||
754 | bucket->next->prev = newbucket; | ||
755 | } | ||
756 | bucket->next = newbucket; | ||
757 | } | ||
758 | |||
759 | /* Set the current bucket values and return it! */ | ||
760 | bucket->used = 1; | ||
761 | bucket->size = size; | ||
762 | bucket->dirty = 0; | ||
763 | #ifdef DGA_DEBUG | ||
764 | fprintf(stderr, "Allocated %d bytes at %p\n", bucket->size, bucket->base); | ||
765 | #endif | ||
766 | surfaces_memleft -= size; | ||
767 | surface->flags |= SDL_HWSURFACE; | ||
768 | surface->pixels = bucket->base; | ||
769 | surface->hwdata = (struct private_hwdata *)bucket; | ||
770 | done: | ||
771 | UNLOCK_DISPLAY(); | ||
772 | return(retval); | ||
773 | } | ||
774 | static void DGA_FreeHWSurface(_THIS, SDL_Surface *surface) | ||
775 | { | ||
776 | vidmem_bucket *bucket, *freeable; | ||
777 | |||
778 | /* Wait for any pending operations involving this surface */ | ||
779 | if ( DGA_IsSurfaceBusy(surface) ) { | ||
780 | LOCK_DISPLAY(); | ||
781 | DGA_WaitBusySurfaces(this); | ||
782 | UNLOCK_DISPLAY(); | ||
783 | } | ||
784 | |||
785 | /* Look for the bucket in the current list */ | ||
786 | for ( bucket=&surfaces; bucket; bucket=bucket->next ) { | ||
787 | if ( bucket == (vidmem_bucket *)surface->hwdata ) { | ||
788 | break; | ||
789 | } | ||
790 | } | ||
791 | if ( bucket && bucket->used ) { | ||
792 | /* Add the memory back to the total */ | ||
793 | #ifdef DGA_DEBUG | ||
794 | printf("Freeing bucket of %d bytes\n", bucket->size); | ||
795 | #endif | ||
796 | surfaces_memleft += bucket->size; | ||
797 | |||
798 | /* Can we merge the space with surrounding buckets? */ | ||
799 | bucket->used = 0; | ||
800 | if ( bucket->next && ! bucket->next->used ) { | ||
801 | #ifdef DGA_DEBUG | ||
802 | printf("Merging with next bucket, for %d total bytes\n", bucket->size+bucket->next->size); | ||
803 | #endif | ||
804 | freeable = bucket->next; | ||
805 | bucket->size += bucket->next->size; | ||
806 | bucket->next = bucket->next->next; | ||
807 | if ( bucket->next ) { | ||
808 | bucket->next->prev = bucket; | ||
809 | } | ||
810 | SDL_free(freeable); | ||
811 | } | ||
812 | if ( bucket->prev && ! bucket->prev->used ) { | ||
813 | #ifdef DGA_DEBUG | ||
814 | printf("Merging with previous bucket, for %d total bytes\n", bucket->prev->size+bucket->size); | ||
815 | #endif | ||
816 | freeable = bucket; | ||
817 | bucket->prev->size += bucket->size; | ||
818 | bucket->prev->next = bucket->next; | ||
819 | if ( bucket->next ) { | ||
820 | bucket->next->prev = bucket->prev; | ||
821 | } | ||
822 | SDL_free(freeable); | ||
823 | } | ||
824 | } | ||
825 | surface->pixels = NULL; | ||
826 | surface->hwdata = NULL; | ||
827 | } | ||
828 | |||
829 | static __inline__ void DGA_dst_to_xy(_THIS, SDL_Surface *dst, int *x, int *y) | ||
830 | { | ||
831 | *x = (long)((Uint8 *)dst->pixels - memory_base)%memory_pitch; | ||
832 | *y = (long)((Uint8 *)dst->pixels - memory_base)/memory_pitch; | ||
833 | } | ||
834 | |||
835 | static int DGA_FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color) | ||
836 | { | ||
837 | int x, y; | ||
838 | unsigned int w, h; | ||
839 | |||
840 | /* Don't fill the visible part of the screen, wait until flipped */ | ||
841 | LOCK_DISPLAY(); | ||
842 | if ( was_flipped && (dst == this->screen) ) { | ||
843 | while ( SDL_NAME(XDGAGetViewportStatus)(DGA_Display, DGA_Screen) ) | ||
844 | /* Keep waiting for the hardware ... */ ; | ||
845 | was_flipped = 0; | ||
846 | } | ||
847 | DGA_dst_to_xy(this, dst, &x, &y); | ||
848 | x += rect->x; | ||
849 | y += rect->y; | ||
850 | w = rect->w; | ||
851 | h = rect->h; | ||
852 | #if 0 | ||
853 | printf("Hardware accelerated rectangle fill: %dx%d at %d,%d\n", w, h, x, y); | ||
854 | #endif | ||
855 | SDL_NAME(XDGAFillRectangle)(DGA_Display, DGA_Screen, x, y, w, h, color); | ||
856 | if ( !(this->screen->flags & SDL_DOUBLEBUF) ) { | ||
857 | XFlush(DGA_Display); | ||
858 | } | ||
859 | DGA_AddBusySurface(dst); | ||
860 | UNLOCK_DISPLAY(); | ||
861 | return(0); | ||
862 | } | ||
863 | |||
864 | static int HWAccelBlit(SDL_Surface *src, SDL_Rect *srcrect, | ||
865 | SDL_Surface *dst, SDL_Rect *dstrect) | ||
866 | { | ||
867 | SDL_VideoDevice *this; | ||
868 | int srcx, srcy; | ||
869 | int dstx, dsty; | ||
870 | unsigned int w, h; | ||
871 | |||
872 | this = current_video; | ||
873 | /* Don't blit to the visible part of the screen, wait until flipped */ | ||
874 | LOCK_DISPLAY(); | ||
875 | if ( was_flipped && (dst == this->screen) ) { | ||
876 | while ( SDL_NAME(XDGAGetViewportStatus)(DGA_Display, DGA_Screen) ) | ||
877 | /* Keep waiting for the hardware ... */ ; | ||
878 | was_flipped = 0; | ||
879 | } | ||
880 | DGA_dst_to_xy(this, src, &srcx, &srcy); | ||
881 | srcx += srcrect->x; | ||
882 | srcy += srcrect->y; | ||
883 | DGA_dst_to_xy(this, dst, &dstx, &dsty); | ||
884 | dstx += dstrect->x; | ||
885 | dsty += dstrect->y; | ||
886 | w = srcrect->w; | ||
887 | h = srcrect->h; | ||
888 | #if 0 | ||
889 | printf("Blitting %dx%d from %d,%d to %d,%d\n", w, h, srcx, srcy, dstx, dsty); | ||
890 | #endif | ||
891 | if ( (src->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY ) { | ||
892 | SDL_NAME(XDGACopyTransparentArea)(DGA_Display, DGA_Screen, | ||
893 | srcx, srcy, w, h, dstx, dsty, src->format->colorkey); | ||
894 | } else { | ||
895 | SDL_NAME(XDGACopyArea)(DGA_Display, DGA_Screen, | ||
896 | srcx, srcy, w, h, dstx, dsty); | ||
897 | } | ||
898 | if ( !(this->screen->flags & SDL_DOUBLEBUF) ) { | ||
899 | XFlush(DGA_Display); | ||
900 | } | ||
901 | DGA_AddBusySurface(src); | ||
902 | DGA_AddBusySurface(dst); | ||
903 | UNLOCK_DISPLAY(); | ||
904 | return(0); | ||
905 | } | ||
906 | |||
907 | static int DGA_CheckHWBlit(_THIS, SDL_Surface *src, SDL_Surface *dst) | ||
908 | { | ||
909 | int accelerated; | ||
910 | |||
911 | /* Set initial acceleration on */ | ||
912 | src->flags |= SDL_HWACCEL; | ||
913 | |||
914 | /* Set the surface attributes */ | ||
915 | if ( (src->flags & SDL_SRCALPHA) == SDL_SRCALPHA ) { | ||
916 | if ( ! this->info.blit_hw_A ) { | ||
917 | src->flags &= ~SDL_HWACCEL; | ||
918 | } | ||
919 | } | ||
920 | if ( (src->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY ) { | ||
921 | if ( ! this->info.blit_hw_CC ) { | ||
922 | src->flags &= ~SDL_HWACCEL; | ||
923 | } | ||
924 | } | ||
925 | |||
926 | /* Check to see if final surface blit is accelerated */ | ||
927 | accelerated = !!(src->flags & SDL_HWACCEL); | ||
928 | if ( accelerated ) { | ||
929 | src->map->hw_blit = HWAccelBlit; | ||
930 | } | ||
931 | return(accelerated); | ||
932 | } | ||
933 | |||
934 | static __inline__ void DGA_WaitFlip(_THIS) | ||
935 | { | ||
936 | if ( was_flipped ) { | ||
937 | while ( SDL_NAME(XDGAGetViewportStatus)(DGA_Display, DGA_Screen) ) | ||
938 | /* Keep waiting for the hardware ... */ ; | ||
939 | was_flipped = 0; | ||
940 | } | ||
941 | } | ||
942 | |||
943 | static int DGA_LockHWSurface(_THIS, SDL_Surface *surface) | ||
944 | { | ||
945 | if ( surface == this->screen ) { | ||
946 | SDL_mutexP(hw_lock); | ||
947 | LOCK_DISPLAY(); | ||
948 | if ( DGA_IsSurfaceBusy(surface) ) { | ||
949 | DGA_WaitBusySurfaces(this); | ||
950 | } | ||
951 | DGA_WaitFlip(this); | ||
952 | UNLOCK_DISPLAY(); | ||
953 | } else { | ||
954 | if ( DGA_IsSurfaceBusy(surface) ) { | ||
955 | LOCK_DISPLAY(); | ||
956 | DGA_WaitBusySurfaces(this); | ||
957 | UNLOCK_DISPLAY(); | ||
958 | } | ||
959 | } | ||
960 | return(0); | ||
961 | } | ||
962 | static void DGA_UnlockHWSurface(_THIS, SDL_Surface *surface) | ||
963 | { | ||
964 | if ( surface == this->screen ) { | ||
965 | SDL_mutexV(hw_lock); | ||
966 | } | ||
967 | } | ||
968 | |||
969 | static int DGA_FlipHWSurface(_THIS, SDL_Surface *surface) | ||
970 | { | ||
971 | /* Wait for vertical retrace and then flip display */ | ||
972 | LOCK_DISPLAY(); | ||
973 | if ( DGA_IsSurfaceBusy(this->screen) ) { | ||
974 | DGA_WaitBusySurfaces(this); | ||
975 | } | ||
976 | DGA_WaitFlip(this); | ||
977 | SDL_NAME(XDGASetViewport)(DGA_Display, DGA_Screen, | ||
978 | 0, flip_yoffset[flip_page], XDGAFlipRetrace); | ||
979 | XFlush(DGA_Display); | ||
980 | UNLOCK_DISPLAY(); | ||
981 | was_flipped = 1; | ||
982 | flip_page = !flip_page; | ||
983 | |||
984 | surface->pixels = flip_address[flip_page]; | ||
985 | return(0); | ||
986 | } | ||
987 | |||
988 | static void DGA_DirectUpdate(_THIS, int numrects, SDL_Rect *rects) | ||
989 | { | ||
990 | /* The application is already updating the visible video memory */ | ||
991 | return; | ||
992 | } | ||
993 | |||
994 | static int DGA_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) | ||
995 | { | ||
996 | int i; | ||
997 | XColor *xcmap; | ||
998 | |||
999 | /* This happens on initialization */ | ||
1000 | if ( ! DGA_colormap ) { | ||
1001 | return(0); | ||
1002 | } | ||
1003 | xcmap = SDL_stack_alloc(XColor, ncolors); | ||
1004 | for ( i=0; i<ncolors; ++i ) { | ||
1005 | xcmap[i].pixel = firstcolor + i; | ||
1006 | xcmap[i].red = (colors[i].r<<8)|colors[i].r; | ||
1007 | xcmap[i].green = (colors[i].g<<8)|colors[i].g; | ||
1008 | xcmap[i].blue = (colors[i].b<<8)|colors[i].b; | ||
1009 | xcmap[i].flags = (DoRed|DoGreen|DoBlue); | ||
1010 | } | ||
1011 | LOCK_DISPLAY(); | ||
1012 | XStoreColors(DGA_Display, DGA_colormap, xcmap, ncolors); | ||
1013 | XSync(DGA_Display, False); | ||
1014 | UNLOCK_DISPLAY(); | ||
1015 | SDL_stack_free(xcmap); | ||
1016 | |||
1017 | /* That was easy. :) */ | ||
1018 | return(1); | ||
1019 | } | ||
1020 | |||
1021 | int DGA_SetGammaRamp(_THIS, Uint16 *ramp) | ||
1022 | { | ||
1023 | int i, ncolors; | ||
1024 | XColor xcmap[256]; | ||
1025 | |||
1026 | /* See if actually setting the gamma is supported */ | ||
1027 | if ( DGA_visualClass != DirectColor ) { | ||
1028 | SDL_SetError("Gamma correction not supported on this visual"); | ||
1029 | return(-1); | ||
1030 | } | ||
1031 | |||
1032 | /* Calculate the appropriate palette for the given gamma ramp */ | ||
1033 | if ( this->screen->format->BitsPerPixel <= 16 ) { | ||
1034 | ncolors = 64; /* Is this right? */ | ||
1035 | } else { | ||
1036 | ncolors = 256; | ||
1037 | } | ||
1038 | for ( i=0; i<ncolors; ++i ) { | ||
1039 | Uint8 c = (256 * i / ncolors); | ||
1040 | xcmap[i].pixel = SDL_MapRGB(this->screen->format, c, c, c); | ||
1041 | xcmap[i].red = ramp[0*256+c]; | ||
1042 | xcmap[i].green = ramp[1*256+c]; | ||
1043 | xcmap[i].blue = ramp[2*256+c]; | ||
1044 | xcmap[i].flags = (DoRed|DoGreen|DoBlue); | ||
1045 | } | ||
1046 | LOCK_DISPLAY(); | ||
1047 | XStoreColors(DGA_Display, DGA_colormap, xcmap, ncolors); | ||
1048 | XSync(DGA_Display, False); | ||
1049 | UNLOCK_DISPLAY(); | ||
1050 | return(0); | ||
1051 | } | ||
1052 | |||
1053 | void DGA_VideoQuit(_THIS) | ||
1054 | { | ||
1055 | int i, j; | ||
1056 | |||
1057 | if ( DGA_Display ) { | ||
1058 | /* Free colormap, if necessary */ | ||
1059 | if ( DGA_colormap ) { | ||
1060 | XFreeColormap(DGA_Display, DGA_colormap); | ||
1061 | DGA_colormap = 0; | ||
1062 | } | ||
1063 | |||
1064 | /* Unmap memory and reset video mode */ | ||
1065 | SDL_NAME(XDGACloseFramebuffer)(DGA_Display, DGA_Screen); | ||
1066 | if ( this->screen ) { | ||
1067 | /* Tell SDL not to free the pixels */ | ||
1068 | DGA_FreeHWSurface(this, this->screen); | ||
1069 | } | ||
1070 | SDL_NAME(XDGASetMode)(DGA_Display, DGA_Screen, 0); | ||
1071 | |||
1072 | /* Clear the lock mutex */ | ||
1073 | if ( hw_lock != NULL ) { | ||
1074 | SDL_DestroyMutex(hw_lock); | ||
1075 | hw_lock = NULL; | ||
1076 | } | ||
1077 | #ifdef LOCK_DGA_DISPLAY | ||
1078 | if ( event_lock != NULL ) { | ||
1079 | SDL_DestroyMutex(event_lock); | ||
1080 | event_lock = NULL; | ||
1081 | } | ||
1082 | #endif /* LOCK_DGA_DISPLAY */ | ||
1083 | |||
1084 | /* Clean up defined video modes */ | ||
1085 | for ( i=0; i<NUM_MODELISTS; ++i ) { | ||
1086 | if ( SDL_modelist[i] != NULL ) { | ||
1087 | for ( j=0; SDL_modelist[i][j]; ++j ) { | ||
1088 | SDL_free(SDL_modelist[i][j]); | ||
1089 | } | ||
1090 | SDL_free(SDL_modelist[i]); | ||
1091 | SDL_modelist[i] = NULL; | ||
1092 | } | ||
1093 | } | ||
1094 | |||
1095 | /* Clean up the memory bucket list */ | ||
1096 | DGA_FreeHWSurfaces(this); | ||
1097 | |||
1098 | /* Close up the display */ | ||
1099 | XCloseDisplay(DGA_Display); | ||
1100 | } | ||
1101 | } | ||
diff --git a/apps/plugins/sdl/src/video/dga/SDL_dgavideo.h b/apps/plugins/sdl/src/video/dga/SDL_dgavideo.h deleted file mode 100644 index bd2ecb8d59..0000000000 --- a/apps/plugins/sdl/src/video/dga/SDL_dgavideo.h +++ /dev/null | |||
@@ -1,124 +0,0 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 of the License, or (at your option) any later version. | ||
9 | |||
10 | This library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with this library; if not, write to the Free Software | ||
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | */ | ||
22 | #include "SDL_config.h" | ||
23 | |||
24 | #ifndef _SDL_dgavideo_h | ||
25 | #define _SDL_dgavideo_h | ||
26 | |||
27 | #include <X11/Xlib.h> | ||
28 | |||
29 | /* Apparently some X11 systems can't include this multiple times... */ | ||
30 | #ifndef SDL_INCLUDED_XLIBINT_H | ||
31 | #define SDL_INCLUDED_XLIBINT_H 1 | ||
32 | #include <X11/Xlibint.h> | ||
33 | #endif | ||
34 | |||
35 | #include <X11/Xproto.h> | ||
36 | |||
37 | #include "SDL_mouse.h" | ||
38 | #include "SDL_mutex.h" | ||
39 | #include "../SDL_sysvideo.h" | ||
40 | |||
41 | /* Hidden "this" pointer for the video functions */ | ||
42 | #define _THIS SDL_VideoDevice *this | ||
43 | |||
44 | /* Define this if you need the DGA driver to be thread-safe */ | ||
45 | #define LOCK_DGA_DISPLAY | ||
46 | #ifdef LOCK_DGA_DISPLAY | ||
47 | #define LOCK_DISPLAY() SDL_mutexP(event_lock) | ||
48 | #define UNLOCK_DISPLAY() SDL_mutexV(event_lock) | ||
49 | #else | ||
50 | #define LOCK_DISPLAY() | ||
51 | #define UNLOCK_DISPLAY() | ||
52 | #endif | ||
53 | |||
54 | |||
55 | /* This is the structure we use to keep track of video memory */ | ||
56 | typedef struct vidmem_bucket { | ||
57 | struct vidmem_bucket *prev; | ||
58 | int used; | ||
59 | int dirty; | ||
60 | Uint8 *base; | ||
61 | unsigned int size; | ||
62 | struct vidmem_bucket *next; | ||
63 | } vidmem_bucket; | ||
64 | |||
65 | /* Private display data */ | ||
66 | struct SDL_PrivateVideoData { | ||
67 | Display *DGA_Display; | ||
68 | Colormap DGA_colormap; | ||
69 | int visualClass; | ||
70 | |||
71 | #define NUM_MODELISTS 4 /* 8, 16, 24, and 32 bits-per-pixel */ | ||
72 | int SDL_nummodes[NUM_MODELISTS]; | ||
73 | SDL_Rect **SDL_modelist[NUM_MODELISTS]; | ||
74 | |||
75 | /* Information for the video surface */ | ||
76 | Uint8 *memory_base; | ||
77 | int memory_pitch; | ||
78 | SDL_mutex *hw_lock; | ||
79 | int sync_needed; | ||
80 | int was_flipped; | ||
81 | |||
82 | /* Information for hardware surfaces */ | ||
83 | vidmem_bucket surfaces; | ||
84 | int surfaces_memtotal; | ||
85 | int surfaces_memleft; | ||
86 | |||
87 | /* Information for double-buffering */ | ||
88 | int flip_page; | ||
89 | int flip_yoffset[2]; | ||
90 | Uint8 *flip_address[2]; | ||
91 | |||
92 | /* Used to handle DGA events */ | ||
93 | int event_base; | ||
94 | #ifdef LOCK_DGA_DISPLAY | ||
95 | SDL_mutex *event_lock; | ||
96 | #endif | ||
97 | |||
98 | /* Screensaver settings */ | ||
99 | int allow_screensaver; | ||
100 | }; | ||
101 | |||
102 | /* Old variable names */ | ||
103 | #define DGA_Display (this->hidden->DGA_Display) | ||
104 | #define DGA_Screen DefaultScreen(DGA_Display) | ||
105 | #define DGA_colormap (this->hidden->DGA_colormap) | ||
106 | #define DGA_visualClass (this->hidden->visualClass) | ||
107 | #define memory_base (this->hidden->memory_base) | ||
108 | #define memory_pitch (this->hidden->memory_pitch) | ||
109 | #define flip_page (this->hidden->flip_page) | ||
110 | #define flip_yoffset (this->hidden->flip_yoffset) | ||
111 | #define flip_address (this->hidden->flip_address) | ||
112 | #define sync_needed (this->hidden->sync_needed) | ||
113 | #define was_flipped (this->hidden->was_flipped) | ||
114 | #define SDL_nummodes (this->hidden->SDL_nummodes) | ||
115 | #define SDL_modelist (this->hidden->SDL_modelist) | ||
116 | #define surfaces (this->hidden->surfaces) | ||
117 | #define surfaces_memtotal (this->hidden->surfaces_memtotal) | ||
118 | #define surfaces_memleft (this->hidden->surfaces_memleft) | ||
119 | #define hw_lock (this->hidden->hw_lock) | ||
120 | #define DGA_event_base (this->hidden->event_base) | ||
121 | #define event_lock (this->hidden->event_lock) | ||
122 | #define allow_screensaver (this->hidden->allow_screensaver) | ||
123 | |||
124 | #endif /* _SDL_dgavideo_h */ | ||