From: Rob Clark <robclark@freedesktop.org>
Date: Thu, 19 Sep 2013 14:08:38 +0000 (-0400)
Subject: freedreno: fix glReadPixels
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=575a6e7ec57dc70f96e2618748ed07c7882cf8c1;p=mesa.git

freedreno: fix glReadPixels

duh, we still need to flush if there are pending draws and it isn't an
unsynchronized case.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
---

diff --git a/src/gallium/drivers/freedreno/freedreno_resource.c b/src/gallium/drivers/freedreno/freedreno_resource.c
index fd975cb388d..bae1874ed3d 100644
--- a/src/gallium/drivers/freedreno/freedreno_resource.c
+++ b/src/gallium/drivers/freedreno/freedreno_resource.c
@@ -123,8 +123,8 @@ fd_resource_transfer_map(struct pipe_context *pctx,
 		op |= DRM_FREEDRENO_PREP_NOSYNC;
 
 	/* some state trackers (at least XA) don't do this.. */
-//	if (!(usage & PIPE_TRANSFER_FLUSH_EXPLICIT))
-//		fd_resource_transfer_flush_region(pctx, ptrans, box);
+	if (!(usage & (PIPE_TRANSFER_FLUSH_EXPLICIT | PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE)))
+		fd_resource_transfer_flush_region(pctx, ptrans, box);
 
 	if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) {
 		ret = fd_bo_cpu_prep(rsc->bo, ctx->screen->pipe, op);