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authorRoland Scheidegger <sroland@tungstengraphics.com>2007-07-29 19:40:50 +0200
committerRoland Scheidegger <sroland@tungstengraphics.com>2007-07-29 19:43:37 +0200
commitdde814776c1feee30e986858782c14d9b0feeaea (patch)
treefabb17f902ce0bfd318746f8dd38beb294fe8284
parent10f5a6ac85fb5f78069b7314e40a2a23e2636192 (diff)
fix range reduction for sin/cos in i915tex (#11609)
-rw-r--r--src/mesa/drivers/dri/i915tex/i915_fragprog.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i915tex/i915_fragprog.c b/src/mesa/drivers/dri/i915tex/i915_fragprog.c
index a4b22a0c32..95ec50490a 100644
--- a/src/mesa/drivers/dri/i915tex/i915_fragprog.c
+++ b/src/mesa/drivers/dri/i915tex/i915_fragprog.c
@@ -320,7 +320,7 @@ upload_program(struct i915_fragment_program *p)
i915_emit_arith(p,
A0_MUL,
tmp, A0_DEST_CHANNEL_X, 0,
- src0, i915_emit_const1f(p, 1.0 / (M_PI * 2)), 0);
+ src0, i915_emit_const1f(p, 1.0 / (M_PI)), 0);
i915_emit_arith(p, A0_MOD, tmp, A0_DEST_CHANNEL_X, 0, tmp, 0, 0);
@@ -329,7 +329,7 @@ upload_program(struct i915_fragment_program *p)
i915_emit_arith(p,
A0_MUL,
tmp, A0_DEST_CHANNEL_X, 0,
- tmp, i915_emit_const1f(p, (M_PI * 2)), 0);
+ tmp, i915_emit_const1f(p, (M_PI)), 0);
/*
* t0.xy = MUL x.xx11, x.x1111 ; x^2, x, 1, 1
@@ -642,7 +642,7 @@ upload_program(struct i915_fragment_program *p)
i915_emit_arith(p,
A0_MUL,
tmp, A0_DEST_CHANNEL_X, 0,
- src0, i915_emit_const1f(p, 1.0 / (M_PI * 2)), 0);
+ src0, i915_emit_const1f(p, 1.0 / (M_PI)), 0);
i915_emit_arith(p, A0_MOD, tmp, A0_DEST_CHANNEL_X, 0, tmp, 0, 0);
@@ -651,7 +651,7 @@ upload_program(struct i915_fragment_program *p)
i915_emit_arith(p,
A0_MUL,
tmp, A0_DEST_CHANNEL_X, 0,
- tmp, i915_emit_const1f(p, (M_PI * 2)), 0);
+ tmp, i915_emit_const1f(p, (M_PI)), 0);
/*
* t0.xy = MUL x.xx11, x.x1111 ; x^2, x, 1, 1