glx: Move DRI extensions pointer loading to driOpenDriver().

The only thing you do with a dri driver handle is get the extensions
pointer, so just fold it in to simplify the callers.

v2: Add the declaration of driGetDriverExtensions() that got lost in a
    rebase.

Reviewed-by: Eric Engestrom <[email protected]> (v1)
Reviewed-by: Emil Velikov <[email protected]> (v1)

1 files changed, 3 insertions, 13 deletions

diff --git a/src/glx/dri_glx.c b/src/glx/dri_glx.c
index 5c4346cec0d..6e9412d3fb1 100644
--- a/src/glx/dri_glx.c
+++ b/src/glx/dri_glx.c
@@ -199,15 +199,9 @@ clear_driver_config_cache()
 static char *
 get_driver_config(const char *driverName)
 {
-   void *handle = driOpenDriver(driverName);
-   const __DRIextension **extensions;
-
-   if (!handle)
-      return NULL;
-
+   void *handle;
    char *config = NULL;
-
-   extensions = driGetDriverExtensions(handle, driverName);
+   const __DRIextension **extensions = driOpenDriver(driverName, &handle);
    if (extensions) {
       for (int i = 0; extensions[i]; i++) {
          if (strcmp(extensions[i]->name, __DRI_CONFIG_OPTIONS) != 0)
@@ -918,11 +912,7 @@ driCreateScreen(int screen, struct glx_display *priv)
       goto cleanup;
    }
 
-   psc->driver = driOpenDriver(driverName);
-   if (psc->driver == NULL)
-      goto cleanup;
-
-   extensions = dlsym(psc->driver, __DRI_DRIVER_EXTENSIONS);
+   extensions = driOpenDriver(driverName, &psc->driver);
    if (extensions == NULL) {
       ErrorMessageF("driver exports no extensions (%s)\n", dlerror());
       goto cleanup;