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softpipe: use util_is_inf_or_nan()

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And print/warn NaN/Inf in print_vertex().
This commit is contained in:
Brian Paul
2009-03-31 16:07:38 -06:00
parent 3705d03b0f
commit d0f28b6dd9
1 changed files with 5 additions and 12 deletions
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17
src/gallium/drivers/softpipe/sp_setup.c
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@@ -252,16 +252,6 @@ static PIPE_THREAD_ROUTINE( quad_thread, param )
#endif #endif
/**
* Test if x is NaN or +/- infinity.
*/
static INLINE boolean
is_inf_or_nan(float x)
{
union fi tmp;
tmp.f = x;
return !(int)((unsigned int)((tmp.i & 0x7fffffff)-0x7f800000) >> 31);
}
/** /**
@@ -506,6 +496,9 @@ static void print_vertex(const struct setup_context *setup,
for (i = 0; i < setup->quad.nr_attrs; i++) { for (i = 0; i < setup->quad.nr_attrs; i++) {
debug_printf(" %d: %f %f %f %f\n", i, debug_printf(" %d: %f %f %f %f\n", i,
v[i][0], v[i][1], v[i][2], v[i][3]); v[i][0], v[i][1], v[i][2], v[i][3]);
if (util_is_inf_or_nan(v[i][0])) {
debug_printf(" NaN!\n");
}
} }
} }
#endif #endif
@@ -595,7 +588,7 @@ static boolean setup_sort_vertices( struct setup_context *setup,
debug_printf("%s one-over-area %f area %f det %f\n", debug_printf("%s one-over-area %f area %f det %f\n",
__FUNCTION__, setup->oneoverarea, area, det ); __FUNCTION__, setup->oneoverarea, area, det );
*/ */
if (is_inf_or_nan(setup->oneoverarea)) if (util_is_inf_or_nan(setup->oneoverarea))
return FALSE; return FALSE;
} }
@@ -1065,7 +1058,7 @@ setup_line_coefficients(struct setup_context *setup,
/* NOTE: this is not really area but something proportional to it */ /* NOTE: this is not really area but something proportional to it */
area = setup->emaj.dx * setup->emaj.dx + setup->emaj.dy * setup->emaj.dy; area = setup->emaj.dx * setup->emaj.dx + setup->emaj.dy * setup->emaj.dy;
if (area == 0.0f || is_inf_or_nan(area)) if (area == 0.0f || util_is_inf_or_nan(area))
return FALSE; return FALSE;
setup->oneoverarea = 1.0f / area; setup->oneoverarea = 1.0f / area;