Mesa (master): etnaviv: pad scanout buffer size to RS alignment

[Lucas Stach]

Module: Mesa
Branch: master
Commit: b158ccf1d95157216bfc9252e498e46ba0257366
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b158ccf1d95157216bfc9252e498e46ba0257366

Author: Lucas Stach <l.stach at pengutronix.de>
Date:   Fri Jun  9 18:44:46 2017 +0200

etnaviv: pad scanout buffer size to RS alignment

This fixes failures to import the scanout buffer with screen resolutions
that don't satisfy the RS alignment restrictions, like 1680x1050.

Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
Reviewed-by: Christian Gmeiner <christian.gmeiner at gmail.com>
Reviewed-by: Philipp Zabel <p.zabel at pengutronix.de>
Reviewed-by: Wladimir J. van der Laan <laanwj at gmail.com>

---

 src/gallium/drivers/etnaviv/etnaviv_resource.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/etnaviv/etnaviv_resource.c b/src/gallium/drivers/etnaviv/etnaviv_resource.c
index 1cd906d4af..8e39461ec6 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_resource.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_resource.c
@@ -212,9 +212,15 @@ etna_resource_alloc(struct pipe_screen *pscreen, unsigned layout,
    rsc->ts_bo = 0; /* TS is only created when first bound to surface */
 
    if (templat->bind & PIPE_BIND_SCANOUT) {
+      struct pipe_resource scanout_templat = *templat;
       struct winsys_handle handle;
-      rsc->scanout = renderonly_scanout_for_resource(&rsc->base, screen->ro,
-                                                     &handle);
+
+      /* pad scanout buffer size to be compatible with the RS */
+      etna_adjust_rs_align(screen->specs.pixel_pipes,
+                           &scanout_templat.width0, &scanout_templat.height0);
+
+      rsc->scanout = renderonly_scanout_for_resource(&scanout_templat,
+                                                     screen->ro, &handle);
       if (!rsc->scanout)
          goto free_rsc;