Mesa (master): i965: Move the destination reg setup for 8/ 16 wide to the emit code.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: 7c647a2fe98a645723fa5eace7f7f6c5c26f4f8e
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=7c647a2fe98a645723fa5eace7f7f6c5c26f4f8e

Author: Eric Anholt <eric at anholt.net>
Date:   Mon Mar 14 10:51:19 2011 -0700

i965: Move the destination reg setup for 8/16 wide to the emit code.

Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

---

 src/mesa/drivers/dri/i965/brw_eu.h      |    1 -
 src/mesa/drivers/dri/i965/brw_eu_emit.c |    7 ++++++-
 src/mesa/drivers/dri/i965/brw_fs.cpp    |    1 -
 src/mesa/drivers/dri/i965/brw_wm_emit.c |    7 -------
 4 files changed, 6 insertions(+), 10 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_eu.h b/src/mesa/drivers/dri/i965/brw_eu.h
index 718b380..d535f51 100644
--- a/src/mesa/drivers/dri/i965/brw_eu.h
+++ b/src/mesa/drivers/dri/i965/brw_eu.h
@@ -856,7 +856,6 @@ void brw_ff_sync(struct brw_compile *p,
 
 void brw_fb_WRITE(struct brw_compile *p,
 		  int dispatch_width,
-		   struct brw_reg dest,
 		   GLuint msg_reg_nr,
 		   struct brw_reg src0,
 		   GLuint binding_table_index,
diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c
index 71485cd..859068e 100644
--- a/src/mesa/drivers/dri/i965/brw_eu_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c
@@ -1871,7 +1871,6 @@ void brw_dp_READ_4_vs_relative(struct brw_compile *p,
 
 void brw_fb_WRITE(struct brw_compile *p,
 		  int dispatch_width,
-                  struct brw_reg dest,
                   GLuint msg_reg_nr,
                   struct brw_reg src0,
                   GLuint binding_table_index,
@@ -1883,6 +1882,12 @@ void brw_fb_WRITE(struct brw_compile *p,
    struct intel_context *intel = &p->brw->intel;
    struct brw_instruction *insn;
    GLuint msg_control, msg_type;
+   struct brw_reg dest;
+
+   if (dispatch_width == 16)
+      dest = retype(vec16(brw_null_reg()), BRW_REGISTER_TYPE_UW);
+   else
+      dest = retype(vec8(brw_null_reg()), BRW_REGISTER_TYPE_UW);
 
    if (intel->gen >= 6 && binding_table_index == 0) {
       insn = next_insn(p, BRW_OPCODE_SENDC);
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 5426925..44eb1be 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -2145,7 +2145,6 @@ fs_visitor::generate_fb_write(fs_inst *inst)
 
    brw_fb_WRITE(p,
 		8, /* dispatch_width */
-		retype(vec8(brw_null_reg()), BRW_REGISTER_TYPE_UW),
 		inst->base_mrf,
 		implied_header,
 		inst->target,
diff --git a/src/mesa/drivers/dri/i965/brw_wm_emit.c b/src/mesa/drivers/dri/i965/brw_wm_emit.c
index cdc1f36..0b136a8 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_emit.c
@@ -1325,12 +1325,6 @@ static void fire_fb_write( struct brw_wm_compile *c,
 {
    struct brw_compile *p = &c->func;
    struct intel_context *intel = &p->brw->intel;
-   struct brw_reg dst;
-
-   if (c->dispatch_width == 16)
-      dst = retype(vec16(brw_null_reg()), BRW_REGISTER_TYPE_UW);
-   else
-      dst = retype(vec8(brw_null_reg()), BRW_REGISTER_TYPE_UW);
 
    /* Pass through control information:
     * 
@@ -1352,7 +1346,6 @@ static void fire_fb_write( struct brw_wm_compile *c,
 /*  send (16) null.0<1>:uw m0               r0.0<8;8,1>:uw   0x85a04000:ud    { Align1 EOT } */
    brw_fb_WRITE(p,
 		c->dispatch_width,
-		dst,
 		base_reg,
 		retype(brw_vec8_grf(0, 0), BRW_REGISTER_TYPE_UW),
 		target,