Mercurial > sdl-ios-xcode

annotate src/video/x11/SDL_x11framebuffer.c @ 5224:c1a92e61907d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Renamed SDLKey and SDLMod for consistency
author Sam Lantinga <slouken@libsdl.org>
date Mon, 07 Feb 2011 09:42:08 -0800
parents 073b86030262
children b530ef003506
rev   line source
5185
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1 /*
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3 Copyright (C) 1997-2009 Sam Lantinga
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6 modify it under the terms of the GNU Lesser General Public
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
8 version 2.1 of the License, or (at your option) any later version.
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
9
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
13 Lesser General Public License for more details.
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
14
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
15 You should have received a copy of the GNU Lesser General Public
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
16 License along with this library; if not, write to the Free Software
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
18
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
19 Sam Lantinga
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
20 slouken@libsdl.org
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
21 */
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
22 #include "SDL_config.h"
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
23
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
24 #include "SDL_x11video.h"
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
25 #include "SDL_x11framebuffer.h"
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
26
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
27
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
28 #ifndef NO_SHARED_MEMORY
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
29
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
30 /* Shared memory error handler routine */
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
31 static int shm_error;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
32 static int (*X_handler)(Display *, XErrorEvent *) = NULL;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
33 static int shm_errhandler(Display *d, XErrorEvent *e)
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
34 {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
35 if ( e->error_code == BadAccess ) {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
36 shm_error = True;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
37 return(0);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
38 } else
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
39 return(X_handler(d,e));
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
40 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
41
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
42 static SDL_bool have_mitshm(void)
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
43 {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
44 /* Only use shared memory on local X servers */
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
45 if ( (SDL_strncmp(XDisplayName(NULL), ":", 1) == 0) ||
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
46 (SDL_strncmp(XDisplayName(NULL), "unix:", 5) == 0) ) {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
47 return SDL_X11_HAVE_SHM;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
48 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
49 return SDL_FALSE;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
50 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
51
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
52 #endif /* !NO_SHARED_MEMORY */
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
53
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
54 int
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
55 X11_CreateWindowFramebuffer(_THIS, SDL_Window * window, Uint32 * format,
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
56 void ** pixels, int *pitch)
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
57 {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
58 SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
59 Display *display = data->videodata->display;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
60 XGCValues gcv;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
61 XVisualInfo vinfo;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
62
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
63 /* Free the old framebuffer surface */
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
64 X11_DestroyWindowFramebuffer(_this, window);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
65
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
66 /* Create the graphics context for drawing */
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
67 gcv.graphics_exposures = False;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
68 data->gc = XCreateGC(display, data->xwindow, GCGraphicsExposures, &gcv);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
69 if (!data->gc) {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
70 SDL_SetError("Couldn't create graphics context");
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
71 return -1;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
72 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
73
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
74 /* Find out the pixel format and depth */
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
75 if (X11_GetVisualInfoFromVisual(display, data->visual, &vinfo) < 0) {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
76 SDL_SetError("Couldn't get window visual information");
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
77 return -1;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
78 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
79
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
80 *format = X11_GetPixelFormatFromVisualInfo(display, &vinfo);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
81 if (*format == SDL_PIXELFORMAT_UNKNOWN) {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
82 SDL_SetError("Unknown window pixel format");
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
83 return -1;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
84 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
85
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
86 /* Calculate pitch */
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
87 *pitch = (((window->w * SDL_BYTESPERPIXEL(*format)) + 3) & ~3);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
88
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
89 /* Create the actual image */
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
90 #ifndef NO_SHARED_MEMORY
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
91 if (have_mitshm()) {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
92 XShmSegmentInfo *shminfo = &data->shminfo;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
93
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
94 shminfo->shmid = shmget(IPC_PRIVATE, window->h*(*pitch), IPC_CREAT | 0777);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
95 if ( shminfo->shmid >= 0 ) {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
96 shminfo->shmaddr = (char *)shmat(shminfo->shmid, 0, 0);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
97 shminfo->readOnly = False;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
98 if ( shminfo->shmaddr != (char *)-1 ) {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
99 shm_error = False;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
100 X_handler = XSetErrorHandler(shm_errhandler);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
101 XShmAttach(display, shminfo);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
102 XSync(display, True);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
103 XSetErrorHandler(X_handler);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
104 if ( shm_error )
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
105 shmdt(shminfo->shmaddr);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
106 } else {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
107 shm_error = True;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
108 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
109 shmctl(shminfo->shmid, IPC_RMID, NULL);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
110 } else {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
111 shm_error = True;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
112 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
113 if (!shm_error) {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
114 data->ximage = XShmCreateImage(display, data->visual,
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
115 vinfo.depth, ZPixmap,
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
116 shminfo->shmaddr, shminfo,
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
117 window->w, window->h);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
118 if (!data->ximage) {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
119 XShmDetach(display, shminfo);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
120 XSync(display, False);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
121 shmdt(shminfo->shmaddr);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
122 } else {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
123 /* Done! */
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
124 data->use_mitshm = SDL_TRUE;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
125 *pixels = shminfo->shmaddr;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
126 return 0;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
127 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
128 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
129 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
130 #endif /* not NO_SHARED_MEMORY */
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
131
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
132 *pixels = SDL_malloc(window->h*(*pitch));
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
133 if (*pixels == NULL) {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
134 SDL_OutOfMemory();
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
135 return -1;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
136 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
137
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
138 data->ximage = XCreateImage(display, data->visual,
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
139 vinfo.depth, ZPixmap, 0, (char *)(*pixels),
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
140 window->w, window->h, 32, 0);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
141 if (!data->ximage) {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
142 SDL_free(*pixels);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143 SDL_SetError("Couldn't create XImage");
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144 return -1;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 return 0;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149 int
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150 X11_UpdateWindowFramebuffer(_THIS, SDL_Window * window,
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 int numrects, SDL_Rect * rects)
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 Display *display = data->videodata->display;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 int i;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 SDL_Rect *rect;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 #ifndef NO_SHARED_MEMORY
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 if (data->use_mitshm) {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 for (i = 0; i < numrects; ++i) {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 rect = &rects[i];
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 if (rect->w == 0 || rect->h == 0) { /* Clipped? */
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 continue;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 XShmPutImage(display, data->xwindow, data->gc, data->ximage,
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 rect->x, rect->y,
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 rect->x, rect->y, rect->w, rect->h, False);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 else
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 #endif /* !NO_SHARED_MEMORY */
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 for (i = 0; i < numrects; ++i) {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 rect = &rects[i];
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 if (rect->w == 0 || rect->h == 0) { /* Clipped? */
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178 continue;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180 XPutImage(display, data->xwindow, data->gc, data->ximage,
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 rect->x, rect->y,
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 rect->x, rect->y, rect->w, rect->h);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 XSync(display, False);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
188 void
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 X11_DestroyWindowFramebuffer(_THIS, SDL_Window * window)
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190 {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 Display *display = data->videodata->display;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194 if (data->ximage) {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 XDestroyImage(data->ximage);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 #ifndef NO_SHARED_MEMORY
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198 if (data->use_mitshm) {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 XShmDetach(display, &data->shminfo);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200 XSync(display, False);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 shmdt(data->shminfo.shmaddr);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 data->use_mitshm = SDL_FALSE;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 #endif /* !NO_SHARED_MEMORY */
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 data->ximage = NULL;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208 if (data->gc) {
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209 XFreeGC(display, data->gc);
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210 data->gc = NULL;
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 }
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213
073b86030262 Added the X11 framebuffer implementation. Simple! :)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214 /* vi: set ts=4 sw=4 expandtab: */