i965: if source depth to render target is set,

it should be handled in fb_write.

1 files changed, 14 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
index 4b273fefe92..e738086fefb 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);
 }