Mesa (master): iris: Allow packed RGB pbo uploads

[GitLab Mirror]

Module: Mesa
Branch: master
Commit: 64207ebe6667b5265dfaa4fd10f1469633769f18
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=64207ebe6667b5265dfaa4fd10f1469633769f18

Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Wed Jul 10 20:18:38 2019 +0100

iris: Allow packed RGB pbo uploads

Hitting any fallback path on Broxton as we require clflushing the whole
buffer even for an upload of a subtexture. However, since gallium
provides a pbo upload path, allow it to sample packed RGB if supported.

Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

---

 src/gallium/drivers/iris/iris_formats.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/iris/iris_formats.c b/src/gallium/drivers/iris/iris_formats.c
index 9d5519be23b..9daef41407a 100644
--- a/src/gallium/drivers/iris/iris_formats.c
+++ b/src/gallium/drivers/iris/iris_formats.c
@@ -486,8 +486,8 @@ iris_is_format_supported(struct pipe_screen *pscreen,
        *
        * We do need to advertise 32-bit RGB for texture buffers though.
        */
-      supported &= fmtl->bpb != 24 && fmtl->bpb != 48 &&
-                   (fmtl->bpb != 96 || target == PIPE_BUFFER);
+      if (target != PIPE_BUFFER)
+         supported &= fmtl->bpb != 24 && fmtl->bpb != 48 && fmtl->bpb != 96;
    }
 
    if (usage & PIPE_BIND_VERTEX_BUFFER)