From 505453a04e8ba5e394c34401bd9ec320ffce2423 Mon Sep 17 00:00:00 2001
From: Zou Nan hai <nanhai.zou@intel.com>
Date: Thu, 2 Aug 2007 15:27:13 +0800
Subject: [PATCH]  fix fd.o bug #11804  glPolygonMode with point sprite on i965

---
 src/mesa/drivers/dri/i965/brw_defines.h  | 2 ++
 src/mesa/drivers/dri/i965/brw_sf_emit.c  | 9 +++++++++
 src/mesa/drivers/dri/i965/brw_sf_state.c | 2 ++
 3 files changed, 13 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h
index e8f878a7018..9bb7d2f703d 100644
--- a/src/mesa/drivers/dri/i965/brw_defines.h
+++ b/src/mesa/drivers/dri/i965/brw_defines.h
@@ -240,6 +240,8 @@
 #define BRW_FRONTWINDING_CW      0
 #define BRW_FRONTWINDING_CCW     1
 
+#define BRW_SPRITE_POINT_ENABLE  16
+
 #define BRW_INDEX_BYTE     0
 #define BRW_INDEX_WORD     1
 #define BRW_INDEX_DWORD    2
diff --git a/src/mesa/drivers/dri/i965/brw_sf_emit.c b/src/mesa/drivers/dri/i965/brw_sf_emit.c
index 7ecf9bb560d..22911a46494 100644
--- a/src/mesa/drivers/dri/i965/brw_sf_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_sf_emit.c
@@ -641,6 +641,7 @@ void brw_emit_anyprim_setup( struct brw_sf_compile *c )
    struct brw_compile *p = &c->func;
    struct brw_reg ip = brw_ip_reg();
    struct brw_reg payload_prim = brw_uw1_reg(BRW_GENERAL_REGISTER_FILE, 1, 0);
+   struct brw_reg payload_attr = get_element_ud(brw_vec1_reg(BRW_GENERAL_REGISTER_FILE, 1, 0), 0); 
    struct brw_reg primmask;
    struct brw_instruction *jmp;
    struct brw_reg v1_null_ud = vec1(retype(brw_null_reg(), BRW_REGISTER_TYPE_UD));
@@ -681,6 +682,14 @@ void brw_emit_anyprim_setup( struct brw_sf_compile *c )
    }
    brw_land_fwd_jump(p, jmp); 
 
+   brw_set_conditionalmod(p, BRW_CONDITIONAL_Z);
+   brw_AND(p, v1_null_ud, payload_attr, brw_imm_ud(1<<BRW_SPRITE_POINT_ENABLE));
+   jmp = brw_JMPI(p, ip, ip, brw_imm_w(0));
+   {
+      brw_emit_point_sprite_setup( c );
+   }
+   brw_land_fwd_jump(p, jmp); 
+
    brw_emit_point_setup( c );
 }
 
diff --git a/src/mesa/drivers/dri/i965/brw_sf_state.c b/src/mesa/drivers/dri/i965/brw_sf_state.c
index 307fb637851..236c6fd42a5 100644
--- a/src/mesa/drivers/dri/i965/brw_sf_state.c
+++ b/src/mesa/drivers/dri/i965/brw_sf_state.c
@@ -185,6 +185,8 @@ static void upload_sf_unit( struct brw_context *brw )
    /* _NEW_POINT */
    sf.sf6.point_rast_rule = 1;	/* opengl conventions */
    /* XXX clamp max depends on AA vs. non-AA */
+
+   sf.sf7.sprite_point = brw->attribs.Point->PointSprite;
    sf.sf7.point_size = CLAMP(brw->attribs.Point->Size, 1.0, 255.0) * (1<<3);
    sf.sf7.use_point_size_state = !brw->attribs.Point->_Attenuated;
       
-- 
2.30.2