glx: Compute the GLX extension string from __glXScreenInit

Now that the enable bits are in the screen base class we can compute
this in one place, rather than making every backend do it.

Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Adam Jackson <ajax@redhat.com>

1 files changed, 0 insertions, 12 deletions

diff --git a/glx/glxdri2.c b/glx/glxdri2.c
index fa93da1ea..15253d19d 100644
--- a/glx/glxdri2.c
+++ b/glx/glxdri2.c
@@ -939,7 +939,6 @@ __glXDRIscreenProbe(ScreenPtr pScreen)
 {
     const char *driverName, *deviceName;
     __GLXDRIscreen *screen;
-    size_t buffer_size;
     ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
 
     screen = calloc(1, sizeof *screen);
@@ -988,17 +987,6 @@ __glXDRIscreenProbe(ScreenPtr pScreen)
 
     __glXScreenInit(&screen->base, pScreen);
 
-    /* The first call simply determines the length of the extension string.
-     * This allows us to allocate some memory to hold the extension string,
-     * but it requires that we call __glXGetExtensionString a second time.
-     */
-    buffer_size = __glXGetExtensionString(screen->base.glx_enable_bits, NULL);
-    if (buffer_size > 0) {
-        screen->base.GLXextensions = xnfalloc(buffer_size);
-        (void) __glXGetExtensionString(screen->base.glx_enable_bits,
-                                       screen->base.GLXextensions);
-    }
-
     screen->enterVT = pScrn->EnterVT;
     pScrn->EnterVT = glxDRIEnterVT;
     screen->leaveVT = pScrn->LeaveVT;