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Support comma-separated lists in SDL_VIDEODRIVER

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This commit is contained in:
Luis Cáceres 2021-04-02 06:16:09 +01:00 committed by Ryan C. Gordon
parent ba8bc143c1
commit 5ec69285fa
1 changed files with 13 additions and 4 deletions
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11
src/video/SDL_video.c
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@ -498,12 +498,21 @@ SDL_VideoInit(const char *driver_name)
driver_name = SDL_getenv("SDL_VIDEODRIVER");
}
if (driver_name != NULL) {
const char *driver_attempt = driver_name;
while(driver_attempt != NULL && *driver_attempt != 0 && video == NULL) {
const char* driver_attempt_end = SDL_strchr(driver_attempt, ',');
size_t driver_attempt_len = (driver_attempt_end != NULL) ? (driver_attempt_end - driver_attempt)
: SDL_strlen(driver_attempt);
for (i = 0; bootstrap[i]; ++i) {
if (SDL_strncasecmp(bootstrap[i]->name, driver_name, SDL_strlen(driver_name)) == 0) {
if (SDL_strncasecmp(bootstrap[i]->name, driver_attempt, driver_attempt_len) == 0) {
video = bootstrap[i]->create(index);
break;
}
}
driver_attempt = (driver_attempt_end != NULL) ? (driver_attempt_end + 1) : NULL;
}
} else {
for (i = 0; bootstrap[i]; ++i) {
video = bootstrap[i]->create(index);