diff options
| -rw-r--r-- | src/mesa/drivers/dos/dmesa.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/mesa/drivers/dos/dmesa.c b/src/mesa/drivers/dos/dmesa.c index 33c17c144e..5432371386 100644 --- a/src/mesa/drivers/dos/dmesa.c +++ b/src/mesa/drivers/dos/dmesa.c @@ -1115,9 +1115,11 @@ DMesaVisual DMesaCreateVisual (GLint width, freopen("MESA.LOG", "w", stderr); } - if (((env = getenv("FX_GLIDE_REFRESH")) == NULL) || !atoi(env)) { - /* FX_GLIDE_REFRESH=0 has a special meaning for DJGPP Glide3x - * (switch via VESA, using default refresh) and we'll not override that. + if (refresh && (((env = getenv("FX_GLIDE_REFRESH")) == NULL) || !atoi(env))) { + /* if we are passed non-zero value for refresh, we need to override + * default refresh rate. However, if FX_GLIDE_REFRESH is already set + * to 0, we won't override it, because it has a special meaning for + * DJGPP Glide3x (switch via VESA, using BIOS default refresh). */ char tmp[256]; sprintf(tmp, "FX_GLIDE_REFRESH=%u", refresh); |