From: Kristian H. Kristensen <hoegsberg@google.com>
Date: Wed, 23 Oct 2019 02:49:47 +0000 (-0700)
Subject: freedreno: Use bypass rendering for tessellation
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e58479088548a547e4a5df59797adf1f8003feca;p=mesa.git

freedreno: Use bypass rendering for tessellation

It seems like tiling could work in the Adreno architecture, but we've
only ever seen bypass rendering with tessellation.  For now, let's do
that too.

Signed-off-by: Kristian H. Kristensen <hoegsberg@google.com>
Acked-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Rob Clark <robdclark@gmail.com>
---

diff --git a/src/gallium/drivers/freedreno/freedreno_gmem.c b/src/gallium/drivers/freedreno/freedreno_gmem.c
index 65ae8b5a825..851abb9c6cc 100644
--- a/src/gallium/drivers/freedreno/freedreno_gmem.c
+++ b/src/gallium/drivers/freedreno/freedreno_gmem.c
@@ -458,6 +458,14 @@ fd_gmem_render_tiles(struct fd_batch *batch)
 			sysmem = true;
 	}
 
+	/* Tessellation doesn't seem to support tiled rendering so fall back to
+	 * bypass.
+	 */
+	if (batch->tessellation) {
+		debug_assert(ctx->emit_sysmem_prep);
+		sysmem = true;
+	}
+
 	fd_reset_wfi(batch);
 
 	ctx->stats.batch_total++;