Module: Mesa
Branch: master
Commit: 033cfb17db85b38bc012d74f30f6c92cddf85216
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=033cfb17db85b38bc012d74f30f6c92cddf85216

Author: Adam Jackson <a...@redhat.com>
Date:   Thu Nov  9 16:57:30 2017 -0500

glx/drisw: Fix glXMakeCurrent(dpy, None, ctx)

This is perfectly legal in GL 3.0+.

Fixes piglit/glx-create-context-current-no-framebuffer.

Cc: mesa-sta...@lists.freedesktop.org
Reviewed-by: Tapani Pälli <tapani.pa...@intel.com>
Reviewed-by: Emil Velikov <emil.veli...@collabora.com>
Signed-off-by: Adam Jackson <a...@redhat.com>

---

 src/glx/drisw_glx.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/glx/drisw_glx.c b/src/glx/drisw_glx.c
index 2f0675addb..df2467a5c2 100644
--- a/src/glx/drisw_glx.c
+++ b/src/glx/drisw_glx.c
@@ -255,11 +255,9 @@ drisw_bind_context(struct glx_context *context, struct 
glx_context *old,
 
    driReleaseDrawables(&pcp->base);
 
-   if (pdraw == NULL || pread == NULL)
-      return GLXBadDrawable;
-
    if ((*psc->core->bindContext) (pcp->driContext,
-                                 pdraw->driDrawable, pread->driDrawable))
+                                  pdraw ? pdraw->driDrawable : NULL,
+                                  pread ? pread->driDrawable : NULL))
       return Success;
 
    return GLXBadContext;

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