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egl/dri: don't crash when createImageFromRenderbuffer2 is NULL

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The __DRI_IMAGE version can be 17 or over, while the function pointer is
NULL. Guard for that instead of crashing.

Fixes: bad24395d9 ("egl/dri: use createImageFromRenderbuffer2 when
available")
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Emil Velikov 2017-10-10 18:50:13 +01:00 • committed by Emil Velikov
parent 2289964f4f
commit 872a373bc8
1 changed files with 2 additions and 1 deletions
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src/egl/drivers/dri2/egl_dri2.c
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@ -1890,7 +1890,8 @@ dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
return EGL_NO_IMAGE_KHR;
}
if (dri2_dpy->image->base.version >= 17) {
if (dri2_dpy->image->base.version >= 17 &&
dri2_dpy->image->createImageFromRenderbuffer2) {
unsigned error = ~0;
dri_image = dri2_dpy->image->createImageFromRenderbuffer2(