glx: Move the driver extension-loading to a helper function.

I'm planning on doing driver extension parsing from 3 places, and making
the extension loading step a bit longer.

Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Chad Versace <[email protected]>
Reviewed-by: Emil Velikov <[email protected]>

1 files changed, 14 insertions, 0 deletions

diff --git a/src/glx/dri_common.c b/src/glx/dri_common.c
index 5f199e9fde4..f1d1164571e 100644
--- a/src/glx/dri_common.c
+++ b/src/glx/dri_common.c
@@ -187,6 +187,20 @@ driOpenDriver(const char *driverName)
    return handle;
 }
 
+_X_HIDDEN const __DRIextension **
+driGetDriverExtensions(void *handle)
+{
+   const __DRIextension **extensions = NULL;
+
+   extensions = dlsym(handle, __DRI_DRIVER_EXTENSIONS);
+   if (extensions == NULL) {
+      ErrorMessageF("driver exports no extensions (%s)\n", dlerror());
+      return NULL;
+   }
+
+   return extensions;
+}
+
 static GLboolean
 __driGetMSCRate(__DRIdrawable *draw,
 		int32_t * numerator, int32_t * denominator,