diff options
| author | Ian Romanick <ian.d.romanick@intel.com> | 2009-02-16 12:08:28 -0800 |
|---|---|---|
| committer | Ian Romanick <ian.d.romanick@intel.com> | 2009-02-16 12:08:56 -0800 |
| commit | 51ae4d6bbfd95cac8a9cdefcd6f22fbe21a6cb9d (patch) | |
| tree | b3745bb229c67586740059a9e54e33b03a0d903e /glx/glxdri2.c | |
| parent | caa5310e163b040689383f6d25ccab5ef1b2e215 (diff) | |
glx: Add comments around some extension string weirdness
Diffstat (limited to 'glx/glxdri2.c')
| -rw-r--r-- | glx/glxdri2.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/glx/glxdri2.c b/glx/glxdri2.c index 66e08895c..b12293acb 100644 --- a/glx/glxdri2.c +++ b/glx/glxdri2.c @@ -583,6 +583,10 @@ __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->glx_enable_bits, NULL); if (buffer_size > 0) { if (screen->base.GLXextensions != NULL) { |