From: Roland Scheidegger <sroland@tungstengraphics.com>
Date: Sun, 29 Jul 2007 17:44:55 +0000 (+0200)
Subject: fix cos/sin range reduction for i915 driver too
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ab02552cdddf9322bfaf874f85d74e7c174a0f3b;p=mesa.git

fix cos/sin range reduction for i915 driver too
---

diff --git a/src/mesa/drivers/dri/i915/i915_fragprog.c b/src/mesa/drivers/dri/i915/i915_fragprog.c
index 702b8788282..abca0bbffea 100644
--- a/src/mesa/drivers/dri/i915/i915_fragprog.c
+++ b/src/mesa/drivers/dri/i915/i915_fragprog.c
@@ -304,7 +304,7 @@ static void upload_program( struct i915_fragment_program *p )
 			 A0_MUL,
 			 tmp, A0_DEST_CHANNEL_X, 0,
 			 src0, 
-			 i915_emit_const1f(p, 1.0/(M_PI * 2)),
+			 i915_emit_const1f(p, 1.0/(M_PI)),
 			 0);
 
 	 i915_emit_arith( p, 
@@ -319,7 +319,7 @@ static void upload_program( struct i915_fragment_program *p )
 			 A0_MUL,
 			 tmp, A0_DEST_CHANNEL_X, 0,
 			 tmp, 
-			 i915_emit_const1f(p, (M_PI * 2)),
+			 i915_emit_const1f(p, (M_PI)),
 			 0);
 
 	 /* 
@@ -645,7 +645,7 @@ static void upload_program( struct i915_fragment_program *p )
 			 A0_MUL,
 			 tmp, A0_DEST_CHANNEL_X, 0,
 			 src0, 
-			 i915_emit_const1f(p, 1.0/(M_PI * 2)),
+			 i915_emit_const1f(p, 1.0/(M_PI)),
 			 0);
 
 	 i915_emit_arith( p, 
@@ -660,7 +660,7 @@ static void upload_program( struct i915_fragment_program *p )
 			 A0_MUL,
 			 tmp, A0_DEST_CHANNEL_X, 0,
 			 tmp, 
-			 i915_emit_const1f(p, (M_PI * 2)),
+			 i915_emit_const1f(p, (M_PI)),
 			 0);
 
 	 /*