From 92e729bba5aab9958f5ba1339c27f6bfe743ef2e Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Wed, 13 Oct 2010 17:40:32 +1000
Subject: [PATCH] r600g: evergreen add stencil export bit

---
 src/gallium/drivers/r600/evergreen_state.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index 49a888abe35..379d66f48c6 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -1558,6 +1558,11 @@ void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader
 						R_02880C_DB_SHADER_CONTROL,
 						S_02880C_Z_EXPORT_ENABLE(1),
 						S_02880C_Z_EXPORT_ENABLE(1), NULL);
+		if (rshader->output[i].name == TGSI_SEMANTIC_STENCIL)
+			r600_pipe_state_add_reg(rstate,
+						R_02880C_DB_SHADER_CONTROL,
+						S_02880C_STENCIL_EXPORT_ENABLE(1),
+						S_02880C_STENCIL_EXPORT_ENABLE(1), NULL);
 	}
 
 	exports_ps = 0;