diff options
| author | Roland Scheidegger <sroland@tungstengraphics.com> | 2007-07-29 19:40:50 +0200 |
|---|---|---|
| committer | Roland Scheidegger <sroland@tungstengraphics.com> | 2007-07-29 19:43:37 +0200 |
| commit | dde814776c1feee30e986858782c14d9b0feeaea (patch) | |
| tree | fabb17f902ce0bfd318746f8dd38beb294fe8284 | |
| parent | 10f5a6ac85fb5f78069b7314e40a2a23e2636192 (diff) | |
fix range reduction for sin/cos in i915tex (#11609)
| -rw-r--r-- | src/mesa/drivers/dri/i915tex/i915_fragprog.c | 8 |
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 |