ping for review
On Wed 18 Jul 2018, Chad Versace wrote:
> In commit cf54bd5e8, dri_sw_winsys.c began using <sys/shm.h> to support
> the new functions putImageShm, getImageShm in DRI_SWRastLoader. But
> Android began supporting System V shared memory only in Oreo. Nougat has
> no shm headers.
>
> Fix the build by ifdef'ing out the shm code on Nougat.
>
> Fixes: cf54bd5e8 "drisw: use shared memory when possible"
> Cc: Marc-André Lureau <marcandre.lureau
> Cc: Dave Airlie <airl...@redhat.com>
> ---
> src/gallium/winsys/sw/dri/dri_sw_winsys.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/src/gallium/winsys/sw/dri/dri_sw_winsys.c
> b/src/gallium/winsys/sw/dri/dri_sw_winsys.c
> index 40007200a5d..147e0f7c430 100644
> --- a/src/gallium/winsys/sw/dri/dri_sw_winsys.c
> +++ b/src/gallium/winsys/sw/dri/dri_sw_winsys.c
> @@ -26,8 +26,10 @@
> *
> **************************************************************************/
>
> +#if !defined(ANDROID) || ANDROID_API_LEVEL >= 26
> #include <sys/ipc.h>
> #include <sys/shm.h>
> +#endif
>
> #include "pipe/p_compiler.h"
> #include "pipe/p_format.h"
> @@ -83,6 +85,7 @@ dri_sw_is_displaytarget_format_supported( struct sw_winsys
> *ws,
> return TRUE;
> }
>
> +#if !defined(ANDROID) || ANDROID_API_LEVEL >= 26
> static char *
> alloc_shm(struct dri_sw_displaytarget *dri_sw_dt, unsigned size)
> {
> @@ -101,6 +104,7 @@ alloc_shm(struct dri_sw_displaytarget *dri_sw_dt,
> unsigned size)
>
> return addr;
> }
> +#endif
>
> static struct sw_displaytarget *
> dri_sw_displaytarget_create(struct sw_winsys *winsys,
> @@ -131,8 +135,11 @@ dri_sw_displaytarget_create(struct sw_winsys *winsys,
> size = dri_sw_dt->stride * nblocksy;
>
> dri_sw_dt->shmid = -1;
> +
> +#if !defined(ANDROID) || ANDROID_API_LEVEL >= 26
> if (ws->lf->put_image_shm)
> dri_sw_dt->data = alloc_shm(dri_sw_dt, size);
> +#endif
>
> if(!dri_sw_dt->data)
> dri_sw_dt->data = align_malloc(size, alignment);
> @@ -156,8 +163,10 @@ dri_sw_displaytarget_destroy(struct sw_winsys *ws,
> struct dri_sw_displaytarget *dri_sw_dt = dri_sw_displaytarget(dt);
>
> if (dri_sw_dt->shmid >= 0) {
> +#if !defined(ANDROID) || ANDROID_API_LEVEL >= 26
> shmdt(dri_sw_dt->data);
> shmctl(dri_sw_dt->shmid, IPC_RMID, 0);
> +#endif
> } else {
> align_free(dri_sw_dt->data);
> }
> --
> 2.18.0.233.g985f88cf7e-goog
>
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> mesa-dev@lists.freedesktop.org
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