From d2540e6d4bdcfcda195f6dcf43f75b810001c227 Mon Sep 17 00:00:00 2001
From: "Xiang, Haihao" <haihao.xiang@intel.com>
Date: Fri, 30 Nov 2007 12:04:04 +0800
Subject: i965: if source depth to render target is set, it should be handled
 in fb_write.

---
 src/mesa/drivers/dri/i965/brw_wm_glsl.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src/mesa/drivers/dri/i965/brw_wm_glsl.c')

diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
index 4b273fefe9..e738086fef 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
@@ -324,6 +324,20 @@ static void emit_fb_write(struct brw_wm_compile *c,
 	nr += 8;
 	brw_pop_insn_state(p);
     }
+
+   if (c->key.source_depth_to_render_target)
+   {
+      if (c->key.computes_depth) {
+         src0 = get_src_reg(c, &inst->SrcReg[2], 2, 1);
+         brw_MOV(p, brw_message_reg(nr), src0);
+      } else {
+         src0 = get_src_reg(c, &inst->SrcReg[1], 1, 1);
+         brw_MOV(p, brw_message_reg(nr), src0);
+      }
+
+      nr += 2;
+   }
+
     fire_fb_write(c, 0, nr);
 }
 
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