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glx/dri3: handle zink fallback if loader picks it.

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if we get a zink driver selected for the fd then don't bind it to dri3
return a special error and this should stop dri2 binding it.

Reviewed-by: Adam Jackson <ajax@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27628>
This commit is contained in:
Dave Airlie
2024-02-20 13:10:29 +10:00
parent b907eb4750
commit caf99133ec
3 changed files with 17 additions and 4 deletions
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11
src/glx/dri3_glx.c
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@@ -800,6 +800,7 @@ dri3_create_screen(int screen, struct glx_display * priv)
__GLXDRIscreen *psp;
struct glx_config *configs = NULL, *visuals = NULL;
char *driverName, *driverNameDisplayGPU, *tmp;
bool return_zink = false;
psc = calloc(1, sizeof *psc);
if (psc == NULL)
@@ -835,6 +836,11 @@ dri3_create_screen(int screen, struct glx_display * priv)
goto handle_error;
}
if (!strcmp(driverName, "zink")) {
return_zink = true;
goto handle_error;
}
extensions = driOpenDriver(driverName, &psc->driver);
if (extensions == NULL)
goto handle_error;
@@ -1009,7 +1015,8 @@ dri3_create_screen(int screen, struct glx_display * priv)
return &psc->base;
handle_error:
CriticalErrorMessageF("failed to load driver: %s\n", driverName ? driverName : "(null)");
if (!return_zink)
CriticalErrorMessageF("failed to load driver: %s\n", driverName ? driverName : "(null)");
if (configs)
glx_config_destroy_list(configs);
@@ -1032,7 +1039,7 @@ handle_error:
glx_screen_cleanup(&psc->base);
free(psc);
return NULL;
return return_zink ? GLX_LOADER_USE_ZINK : NULL;
}
/** dri_destroy_display