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stw/wgl: add null context check in wglBindTexImageARB()

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To avoid dereferencing a null pointer in case wglMakeCurrent() wasn't
called.  Found while debugging SWKOTOR game.

Reviewed-by: Neha Bhende <bhenden@vmware.com>
Reviewed-by: Charmaine Lee <charmainel@vmware.com>
This commit is contained in:
Brian Paul 2016-10-10 15:54:09 -06:00
parent 7d2fa8dc10
commit 7753f040fa
1 changed files with 6 additions and 0 deletions
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6
src/gallium/state_trackers/wgl/stw_ext_rendertexture.c
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@ -129,6 +129,12 @@ wglBindTexImageARB(HPBUFFERARB hPbuffer, int iBuffer)
* we do here.
*/
if (!curctx) {
debug_printf("No rendering context in wglBindTexImageARB()\n");
SetLastError(ERROR_INVALID_OPERATION);
return FALSE;
}
fb = stw_framebuffer_from_HPBUFFERARB(hPbuffer);
if (!fb) {
debug_printf("Invalid pbuffer handle in wglBindTexImageARB()\n");