From 1deb2be2b7887d7435e103fdb042857e745ff08d Mon Sep 17 00:00:00 2001
From: Michel Dänzer <michel.daenzer@amd.com>
Date: Mon, 14 May 2012 16:26:19 +0200
Subject: radeonsi: Flesh out shader interpolation related code.

Handle perspective interpolation and ceontroid vs. center.
---
 src/gallium/drivers/radeon/SIInstructions.td | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'src/gallium/drivers/radeon/SIInstructions.td')

diff --git a/src/gallium/drivers/radeon/SIInstructions.td b/src/gallium/drivers/radeon/SIInstructions.td
index 57bbc7a5d5a..313728f044f 100644
--- a/src/gallium/drivers/radeon/SIInstructions.td
+++ b/src/gallium/drivers/radeon/SIInstructions.td
@@ -934,6 +934,24 @@ def : Pat <
              imm:$attr, SReg_32:$params)
 >;
 
+def : Pat <
+  (int_SI_fs_interp_linear_centroid imm:$attr_chan, imm:$attr, SReg_32:$params),
+  (SI_INTERP (f32 LINEAR_CENTROID_I), (f32 LINEAR_CENTROID_J), imm:$attr_chan,
+             imm:$attr, SReg_32:$params)
+>;
+
+def : Pat <
+  (int_SI_fs_interp_persp_center imm:$attr_chan, imm:$attr, SReg_32:$params),
+  (SI_INTERP (f32 PERSP_CENTER_I), (f32 PERSP_CENTER_J), imm:$attr_chan,
+             imm:$attr, SReg_32:$params)
+>;
+
+def : Pat <
+  (int_SI_fs_interp_persp_centroid imm:$attr_chan, imm:$attr, SReg_32:$params),
+  (SI_INTERP (f32 PERSP_CENTROID_I), (f32 PERSP_CENTROID_J), imm:$attr_chan,
+             imm:$attr, SReg_32:$params)
+>;
+
 /********** ================== **********/
 /********** Intrinsic Patterns **********/
 /********** ================== **********/
-- 
cgit v1.2.3