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hints: Make SDL_VIDEODRIVER and SDL_AUDIODRIVER formal hints.

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They were just environment variables before.

Fixes #5528.
This commit is contained in:
Ryan C. Gordon
2022-04-17 12:43:32 -04:00
committed by Sam Lantinga
parent 634b9edc7f
commit c1336b21ed
4 changed files with 51 additions and 3 deletions
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2
src/audio/SDL_audio.c
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@@ -936,7 +936,7 @@ SDL_AudioInit(const char *driver_name)
/* Select the proper audio driver */
if (driver_name == NULL) {
driver_name = SDL_getenv("SDL_AUDIODRIVER");
driver_name = SDL_GetHint(SDL_HINT_AUDIODRIVER);
}
if (driver_name != NULL && *driver_name != 0) {

2
src/video/SDL_video.c
View File

@@ -425,7 +425,7 @@ SDL_VideoInit(const char *driver_name)
i = index = 0;
video = NULL;
if (driver_name == NULL) {
driver_name = SDL_getenv("SDL_VIDEODRIVER");
driver_name = SDL_GetHint(SDL_HINT_VIDEODRIVER);
}
if (driver_name != NULL && *driver_name != 0) {
const char *driver_attempt = driver_name;

3
src/video/dummy/SDL_nullvideo.c
View File

@@ -46,6 +46,7 @@
#include "SDL_nullvideo.h"
#include "SDL_nullevents_c.h"
#include "SDL_nullframebuffer_c.h"
#include "SDL_hints.h"
#define DUMMYVID_DRIVER_NAME "dummy"
@@ -59,7 +60,7 @@ static void DUMMY_VideoQuit(_THIS);
static int
DUMMY_Available(void)
{
const char *envr = SDL_getenv("SDL_VIDEODRIVER");
const char *envr = SDL_GetHint(SDL_HINT_VIDEODRIVER);
if ((envr) && (SDL_strcmp(envr, DUMMYVID_DRIVER_NAME) == 0)) {
return (1);
}