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authorFranklin Wei <git@fwei.tk>2018-02-07 20:04:46 -0500
committerFranklin Wei <git@fwei.tk>2018-03-12 20:52:01 -0400
commit6039eb05ba6d82ef56f2868c96654c552d117bf9 (patch)
tree9db7016bcbf66cfdf7b9bc998d84c6eaff9c8378 /apps/plugins/sdl/src/video/x11/SDL_x11dyn.c
parentef373c03b96b0be08babca581d9f10bccfd4931f (diff)
downloadrockbox-6039eb05ba6d82ef56f2868c96654c552d117bf9.tar.gz
rockbox-6039eb05ba6d82ef56f2868c96654c552d117bf9.zip
sdl: remove non-rockbox drivers
We never use any of these other drivers, so having them around just takes up space. Change-Id: Iced812162df1fef3fd55522b7e700acb6c3bcd41
Diffstat (limited to 'apps/plugins/sdl/src/video/x11/SDL_x11dyn.c')
-rw-r--r--apps/plugins/sdl/src/video/x11/SDL_x11dyn.c222
1 files changed, 0 insertions, 222 deletions
diff --git a/apps/plugins/sdl/src/video/x11/SDL_x11dyn.c b/apps/plugins/sdl/src/video/x11/SDL_x11dyn.c
deleted file mode 100644
index 7058addfa8..0000000000
--- a/apps/plugins/sdl/src/video/x11/SDL_x11dyn.c
+++ /dev/null
@@ -1,222 +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 Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 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 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
19 Sam Lantinga
20 slouken@libsdl.org
21*/
22#include "SDL_config.h"
23
24#define DEBUG_DYNAMIC_X11 0
25
26#include "SDL_x11dyn.h"
27
28#if DEBUG_DYNAMIC_X11
29#include <stdio.h>
30#endif
31
32#ifdef SDL_VIDEO_DRIVER_X11_DYNAMIC
33
34#include "SDL_name.h"
35#include "SDL_loadso.h"
36
37typedef struct
38{
39 void *lib;
40 const char *libname;
41} x11dynlib;
42
43#ifndef SDL_VIDEO_DRIVER_X11_DYNAMIC
44#define SDL_VIDEO_DRIVER_X11_DYNAMIC NULL
45#endif
46#ifndef SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT
47#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT NULL
48#endif
49#ifndef SDL_VIDEO_DRIVER_X11_DYNAMIC_XRENDER
50#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XRENDER NULL
51#endif
52#ifndef SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR
53#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR NULL
54#endif
55
56static x11dynlib x11libs[] =
57{
58 { NULL, SDL_VIDEO_DRIVER_X11_DYNAMIC },
59 { NULL, SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT },
60 { NULL, SDL_VIDEO_DRIVER_X11_DYNAMIC_XRENDER },
61 { NULL, SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR },
62};
63
64static void *X11_GetSym(const char *fnname, int *rc)
65{
66 void *fn = NULL;
67 int i;
68 for (i = 0; i < SDL_TABLESIZE(x11libs); i++) {
69 if (x11libs[i].lib != NULL)
70 {
71 fn = SDL_LoadFunction(x11libs[i].lib, fnname);
72 if (fn != NULL)
73 break;
74 }
75 }
76
77 #if DEBUG_DYNAMIC_X11
78 if (fn != NULL)
79 printf("X11: Found '%s' in %s (%p)\n", fnname, x11libs[i].libname, *fn);
80 else
81 printf("X11: Symbol '%s' NOT FOUND!\n", fnname);
82 #endif
83
84 if (fn == NULL)
85 *rc = 0; /* kill this module. */
86
87 return fn;
88}
89
90
91/* Define all the function pointers and wrappers... */
92#define SDL_X11_MODULE(modname)
93#define SDL_X11_SYM(rc,fn,params,args,ret) \
94 static rc (*p##fn) params = NULL; \
95 rc fn params { ret p##fn args ; }
96#include "SDL_x11sym.h"
97#undef SDL_X11_MODULE
98#undef SDL_X11_SYM
99#endif /* SDL_VIDEO_DRIVER_X11_DYNAMIC */
100
101/* Annoying varargs entry point... */
102#ifdef X_HAVE_UTF8_STRING
103XIC (*pXCreateIC)(XIM,...) = NULL;
104char *(*pXGetICValues)(XIC, ...) = NULL;
105#endif
106
107/* These SDL_X11_HAVE_* flags are here whether you have dynamic X11 or not. */
108#define SDL_X11_MODULE(modname) int SDL_X11_HAVE_##modname = 1;
109#define SDL_X11_SYM(rc,fn,params,args,ret)
110#include "SDL_x11sym.h"
111#undef SDL_X11_MODULE
112#undef SDL_X11_SYM
113
114
115static void *SDL_XGetRequest_workaround(Display* dpy, CARD8 type, size_t len)
116{
117 xReq *req;
118 WORD64ALIGN
119 if (dpy->bufptr + len > dpy->bufmax)
120 _XFlush(dpy);
121 dpy->last_req = dpy->bufptr;
122 req = (xReq*)dpy->bufptr;
123 req->reqType = type;
124 req->length = len / 4;
125 dpy->bufptr += len;
126 dpy->request++;
127 return req;
128}
129
130static int x11_load_refcount = 0;
131
132void SDL_X11_UnloadSymbols(void)
133{
134 #ifdef SDL_VIDEO_DRIVER_X11_DYNAMIC
135 /* Don't actually unload if more than one module is using the libs... */
136 if (x11_load_refcount > 0) {
137 if (--x11_load_refcount == 0) {
138 int i;
139
140 /* set all the function pointers to NULL. */
141 #define SDL_X11_MODULE(modname) SDL_X11_HAVE_##modname = 1;
142 #define SDL_X11_SYM(rc,fn,params,args,ret) p##fn = NULL;
143 #include "SDL_x11sym.h"
144 #undef SDL_X11_MODULE
145 #undef SDL_X11_SYM
146
147 #ifdef X_HAVE_UTF8_STRING
148 pXCreateIC = NULL;
149 pXGetICValues = NULL;
150 #endif
151
152 for (i = 0; i < SDL_TABLESIZE(x11libs); i++) {
153 if (x11libs[i].lib != NULL) {
154 SDL_UnloadObject(x11libs[i].lib);
155 x11libs[i].lib = NULL;
156 }
157 }
158 }
159 }
160 #endif
161}
162
163/* returns non-zero if all needed symbols were loaded. */
164int SDL_X11_LoadSymbols(void)
165{
166 int rc = 1; /* always succeed if not using Dynamic X11 stuff. */
167
168 #ifdef SDL_VIDEO_DRIVER_X11_DYNAMIC
169 /* deal with multiple modules (dga, x11, etc) needing these symbols... */
170 if (x11_load_refcount++ == 0) {
171 int i;
172 int *thismod = NULL;
173 for (i = 0; i < SDL_TABLESIZE(x11libs); i++) {
174 if (x11libs[i].libname != NULL) {
175 x11libs[i].lib = SDL_LoadObject(x11libs[i].libname);
176 }
177 }
178 #define SDL_X11_MODULE(modname) thismod = &SDL_X11_HAVE_##modname;
179 #define SDL_X11_SYM(rc,fn,params,args,ret) \
180 p##fn = (rc(*)params) X11_GetSym(#fn, thismod);
181 #include "SDL_x11sym.h"
182 #undef SDL_X11_MODULE
183 #undef SDL_X11_SYM
184
185 #ifdef X_HAVE_UTF8_STRING
186 pXCreateIC = (XIC(*)(XIM,...)) X11_GetSym("XCreateIC",
187 &SDL_X11_HAVE_UTF8);
188 pXGetICValues = (char * (*)(XIC,...)) X11_GetSym("XGetICValues",
189 &SDL_X11_HAVE_UTF8);
190 #endif
191
192 /*
193 * In case we're built with newer Xlib headers, we need to make sure
194 * that _XGetRequest() is available, even on older systems.
195 * Otherwise, various Xlib macros we use will call a NULL pointer.
196 */
197 if (!SDL_X11_HAVE_XGETREQUEST) {
198 p_XGetRequest = SDL_XGetRequest_workaround;
199 }
200
201 if (SDL_X11_HAVE_BASEXLIB) { /* all required symbols loaded. */
202 SDL_ClearError();
203 } else {
204 SDL_X11_UnloadSymbols(); /* in case something got loaded... */
205 rc = 0;
206 }
207 }
208 #else
209 #if DEBUG_DYNAMIC_X11
210 printf("X11: No dynamic X11 support in this build of SDL.\n");
211 #endif
212 #ifdef X_HAVE_UTF8_STRING
213 pXCreateIC = XCreateIC;
214 pXGetICValues = XGetICValues;
215 #endif
216 #endif
217
218 return rc;
219}
220
221/* end of SDL_x11dyn.c ... */
222