diff options
| -rw-r--r-- | src/gallium/winsys/xlib/xlib_softpipe.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/src/gallium/winsys/xlib/xlib_softpipe.c b/src/gallium/winsys/xlib/xlib_softpipe.c index 260b39e2a0..da2484c981 100644 --- a/src/gallium/winsys/xlib/xlib_softpipe.c +++ b/src/gallium/winsys/xlib/xlib_softpipe.c @@ -203,6 +203,14 @@ xm_buffer_destroy(struct pipe_buffer *buf) { struct xm_buffer *oldBuf = xm_buffer(buf); + /* + * Note oldBuf->data may point to one of three things: + * 1. XShm shared memory image data + * 2. User-provided (wrapped) memory, see xm_user_buffer_create() + * 3. Regular, malloc'd memory + * We need to be careful with freeing that data now. + */ + if (oldBuf->data) { #ifdef USE_XSHM if (oldBuf->shminfo.shmid >= 0) { @@ -212,12 +220,19 @@ xm_buffer_destroy(struct pipe_buffer *buf) oldBuf->shminfo.shmid = -1; oldBuf->shminfo.shmaddr = (char *) -1; } - else -#endif - { - if (!oldBuf->userBuffer) { - align_free(oldBuf->data); + + if (oldBuf->tempImage) { + if (oldBuf->data == oldBuf->tempImage->data) { + /* oldBuf->data points at the xshm memory which we'll now free */ + oldBuf->data = NULL; } + XDestroyImage(oldBuf->tempImage); + } +#endif + + if (oldBuf->data && !oldBuf->userBuffer) { + /* this was regular malloc'd memory */ + align_free(oldBuf->data); } oldBuf->data = NULL; |