Mesa (master): r600g: make stencil readback work

[Dave Airlie]

Module: Mesa
Branch: master
Commit: d18f3accb02646a48c1f1e1e276d5d9f1dc667b3
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d18f3accb02646a48c1f1e1e276d5d9f1dc667b3

Author: Dave Airlie <airlied at redhat.com>
Date:   Wed Sep 22 14:19:16 2010 +1000

r600g: make stencil readback work

need to write two components to get stencil components as well

---

 src/gallium/drivers/r600/r600_blit.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/r600/r600_blit.c b/src/gallium/drivers/r600/r600_blit.c
index e1f226c..8db3de0 100644
--- a/src/gallium/drivers/r600/r600_blit.c
+++ b/src/gallium/drivers/r600/r600_blit.c
@@ -583,9 +583,8 @@ int r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_te
 		bstates.dsa.states[R600_DSA__DB_RENDER_CONTROL] = S_028D0C_DEPTH_COPY_ENABLE(1) |
 			S_028D0C_STENCIL_COPY_ENABLE(1) |
 			S_028D0C_COPY_CENTROID(1);
-		bstates.cb_cntl.states[R600_CB_CNTL__CB_TARGET_MASK] = 0x00000001;
 	}
-
+	bstates.cb_cntl.states[R600_CB_CNTL__CB_TARGET_MASK] = 0x00000003;
 	r600_blit_state_cb_flush(rscreen, &bstates.cb_flush, rtexture, 0, 0);
 	r600_blit_state_db_flush(rscreen, &bstates.db_flush, rtexture, 0, 0);