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fix range reduction for sin/cos in i915tex (#11609)

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This commit is contained in:
Roland Scheidegger 2007-07-29 19:40:50 +02:00
parent 10f5a6ac85
commit dde814776c
1 changed files with 4 additions and 4 deletions
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8
src/mesa/drivers/dri/i915tex/i915_fragprog.c
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@ -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