Mesa (master): llvmpipe: Specify lp_test_arit' s target precision per function.

[Jose Fonseca]

Module: Mesa
Branch: master
Commit: b5941e33d0040e03dc7adeac5a6fda99f3c1c93d
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b5941e33d0040e03dc7adeac5a6fda99f3c1c93d

Author: José Fonseca <jfonseca at vmware.com>
Date:   Fri Feb 17 16:10:22 2012 +0000

llvmpipe: Specify lp_test_arit's target precision per function.

---

 src/gallium/drivers/llvmpipe/lp_test_arit.c |   26 ++++++++++++++++----------
 1 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/src/gallium/drivers/llvmpipe/lp_test_arit.c b/src/gallium/drivers/llvmpipe/lp_test_arit.c
index 8b23baa..1b576a2 100644
--- a/src/gallium/drivers/llvmpipe/lp_test_arit.c
+++ b/src/gallium/drivers/llvmpipe/lp_test_arit.c
@@ -80,6 +80,11 @@ struct unary_test_t
     */
    const float *values;
    unsigned num_values;
+
+   /*
+    * Required precision in bits.
+    */
+   double precision;
 };
 
 
@@ -167,15 +172,16 @@ const float sincos_values[] = {
  * Unary test cases.
  */
 
-static const struct unary_test_t unary_tests[] = {
-   {"neg", &lp_build_negate, &negf, exp2_values, Elements(exp2_values)},
-   {"exp2", &lp_build_exp2, &exp2f, exp2_values, Elements(exp2_values)},
-   {"log2", &lp_build_log2, &log2f, log2_values, Elements(log2_values)},
-   {"exp", &lp_build_exp, &expf, exp2_values, Elements(exp2_values)},
-   {"log", &lp_build_log, &logf, log2_values, Elements(log2_values)},
-   {"rsqrt", &lp_build_rsqrt, &rsqrtf, rsqrt_values, Elements(rsqrt_values)},
-   {"sin", &lp_build_sin, &sinf, sincos_values, Elements(sincos_values)},
-   {"cos", &lp_build_cos, &cosf, sincos_values, Elements(sincos_values)},
+static const struct unary_test_t
+unary_tests[] = {
+   {"neg", &lp_build_negate, &negf, exp2_values, Elements(exp2_values), 20.0 },
+   {"exp2", &lp_build_exp2, &exp2f, exp2_values, Elements(exp2_values), 20.0 },
+   {"log2", &lp_build_log2, &log2f, log2_values, Elements(log2_values), 10.0 }, // FIXME
+   {"exp", &lp_build_exp, &expf, exp2_values, Elements(exp2_values), 18.0 },
+   {"log", &lp_build_log, &logf, log2_values, Elements(log2_values), 10.0 }, // FIXME
+   {"rsqrt", &lp_build_rsqrt, &rsqrtf, rsqrt_values, Elements(rsqrt_values), 20.0 },
+   {"sin", &lp_build_sin, &sinf, sincos_values, Elements(sincos_values), 20.0 },
+   {"cos", &lp_build_cos, &cosf, sincos_values, Elements(sincos_values), 20.0 },
 };
 
 
@@ -254,7 +260,7 @@ test_unary(struct gallivm_state *gallivm, unsigned verbose, FILE *fp, const stru
       double error = fabs(src - ref);
       double precision = error ? -log2(error/fabs(ref)) : FLT_MANT_DIG;
 
-      bool pass = precision >= 20.0;
+      bool pass = precision >= test->precision;
 
       if (isnan(ref)) {
          continue;