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-rw-r--r--glx/glxcmds.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/glx/glxcmds.c b/glx/glxcmds.c
index 24fed8f63..6fa10fe66 100644
--- a/glx/glxcmds.c
+++ b/glx/glxcmds.c
@@ -251,20 +251,20 @@ DoCreateContext(__GLXclientState * cl, GLXContextID gcId,
&shareglxc, &err))
return err;
- if (shareglxc->isDirect) {
- /*
- ** NOTE: no support for sharing display lists between direct
- ** contexts, even if they are in the same address space.
- */
-#if 0
- /* Disabling this code seems to allow shared display lists
- * and texture objects to work. We'll leave it disabled for now.
- */
+ /* Page 26 (page 32 of the PDF) of the GLX 1.4 spec says:
+ *
+ * "The server context state for all sharing contexts must exist
+ * in a single address space or a BadMatch error is generated."
+ *
+ * If the share context is indirect, force the new context to also be
+ * indirect. If the shard context is direct but the new context
+ * cannot be direct, generate BadMatch.
+ */
+ if (shareglxc->isDirect && !isDirect) {
client->errorValue = shareList;
return BadMatch;
-#endif
}
- else {
+ else if (!shareglxc->isDirect) {
/*
** Create an indirect context regardless of what the client asked
** for; this way we can share display list space with shareList.