diff options
author | Adam Jackson <ajax@redhat.com> | 2020-11-17 13:48:46 -0500 |
---|---|---|
committer | Marge Bot <eric+marge@anholt.net> | 2020-12-01 18:40:18 +0000 |
commit | c4ed0e8f3fb63d753e50576d7402c52cb30b0283 (patch) | |
tree | 65b51db39a468c296bd616f9a7f401cff4ea1ba9 /src/glx | |
parent | 731f3c113ee22729e9c98d8e049d824b2c153261 (diff) |
glx: Check share ctx compatibility in ::create_context_attribs
Most of the legacy CreateContext paths already did this, this is just
aligning the two so we can implement one in terms of the other.
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7660>
Diffstat (limited to 'src/glx')
-rw-r--r-- | src/glx/dri2_glx.c | 7 | ||||
-rw-r--r-- | src/glx/dri3_glx.c | 7 | ||||
-rw-r--r-- | src/glx/drisw_glx.c | 7 |
3 files changed, 21 insertions, 0 deletions
diff --git a/src/glx/dri2_glx.c b/src/glx/dri2_glx.c index 724a17443db..efb6f1f1275 100644 --- a/src/glx/dri2_glx.c +++ b/src/glx/dri2_glx.c @@ -272,6 +272,13 @@ dri2_create_context_attribs(struct glx_screen *base, goto error_exit; if (shareList) { + /* If the shareList context is not a DRI2 context, we cannot possibly + * create a DRI2 context that shares it. + */ + if (shareList->vtable->destroy != dri2_destroy_context) { + return NULL; + } + pcp_shared = (struct dri2_context *) shareList; shared = pcp_shared->driContext; } diff --git a/src/glx/dri3_glx.c b/src/glx/dri3_glx.c index c2685cc693d..47a8e9a5686 100644 --- a/src/glx/dri3_glx.c +++ b/src/glx/dri3_glx.c @@ -268,6 +268,13 @@ dri3_create_context_attribs(struct glx_screen *base, goto error_exit; if (shareList) { + /* If the shareList context is not a DRI3 context, we cannot possibly + * create a DRI3 context that shares it. + */ + if (shareList->vtable->destroy != dri3_destroy_context) { + return NULL; + } + pcp_shared = (struct dri3_context *) shareList; shared = pcp_shared->driContext; } diff --git a/src/glx/drisw_glx.c b/src/glx/drisw_glx.c index afa335eee81..b45dd784524 100644 --- a/src/glx/drisw_glx.c +++ b/src/glx/drisw_glx.c @@ -587,6 +587,13 @@ drisw_create_context_attribs(struct glx_screen *base, return NULL; if (shareList) { + /* If the shareList context is not a DRISW context, we cannot possibly + * create a DRISW context that shares it. + */ + if (shareList->vtable->destroy != drisw_destroy_context) { + return NULL; + } + pcp_shared = (struct drisw_context *) shareList; shared = pcp_shared->driContext; } |