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Use the X11 driver if the application uses X11-based graphics frameworks

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Fixes https://github.com/libsdl-org/SDL/issues/8812
This commit is contained in:
Sam Lantinga 2024-01-09 11:24:10 -08:00
parent 2afd04d09b
commit bd2f1e9ea6
1 changed files with 23 additions and 0 deletions
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23
src/video/SDL_video.c
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@ -61,6 +61,7 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <dlfcn.h>
#endif
/* Available video drivers */
@ -468,6 +469,28 @@ int SDL_VideoInit(const char *driver_name)
if (!driver_name) {
driver_name = SDL_GetHint(SDL_HINT_VIDEODRIVER);
}
#ifdef __LINUX__
if (!driver_name) {
/* See if it looks like we need X11 */
SDL_bool force_x11 = SDL_FALSE;
void *global_symbols = dlopen(NULL, RTLD_LOCAL|RTLD_NOW);
/* Use linked libraries to detect what quirks we are likely to need */
if (global_symbols != NULL) {
if (dlsym(global_symbols, "glxewInit") != NULL) { /* GLEW (e.g. Frogatto, SLUDGE) */
force_x11 = SDL_TRUE;
} else if (dlsym(global_symbols, "cgGLEnableProgramProfiles") != NULL) { /* NVIDIA Cg (e.g. Awesomenauts, Braid) */
force_x11 = SDL_TRUE;
} else if (dlsym(global_symbols, "_Z7ssgInitv") != NULL) { /* ::ssgInit(void) in plib (e.g. crrcsim) */
force_x11 = SDL_TRUE;
}
dlclose(global_symbols);
}
if (force_x11) {
driver_name = "x11";
}
}
#endif
if (driver_name && *driver_name != 0) {
const char *driver_attempt = driver_name;
while (driver_attempt && *driver_attempt != 0 && !video) {