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dri3: Check for dummyContext to see if the glx_context is valid

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According to the comments in src/glx/glxcurrent.c __glXGetCurrentContext()
always returns a valid pointer. If no context is made current, it will
contain dummyContext. Thus a test for NULL will always fail.

https://lists.freedesktop.org/archives/mesa-dev/2016-April/113962.html

Signed-off-by: Stefan Dirsch <sndirsch@suse.de>
Reviewed-by: Egbert Eich <eich@freedesktop.org>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
This commit is contained in:
Stefan Dirsch 2016-04-25 15:06:25 +02:00 • committed by Emil Velikov
parent 4d9b518ad2
commit 7d25ed7036
1 changed files with 2 additions and 6 deletions
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8
src/glx/dri3_glx.c
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@ -127,13 +127,9 @@ static __DRIcontext *
glx_dri3_get_dri_context(struct loader_dri3_drawable *draw)
{
struct glx_context *gc = __glXGetCurrentContext();
struct dri3_context *dri3Ctx = (struct dri3_context *) gc;
if (gc) {
struct dri3_context *dri3Ctx = (struct dri3_context *) gc;
return dri3Ctx->driContext;
}
return NULL;
return (gc != &dummyContext) ? dri3Ctx->driContext : NULL;
}
static void