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STLb: Minor code improvement in foug_stlb_write_facets()

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This commit is contained in:
Hugues Delorme 2013-03-27 13:11:00 +01:00
parent 8b5b6d5247
commit 1e56476821
1 changed files with 3 additions and 3 deletions
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6
src/c/libstl/stlb_write.c
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@ -4,7 +4,7 @@
#include "../error.h"
#include <string.h>
static void foug_stlb_write_facets(const foug_stlb_geom_output_t* geom_output,
static void foug_stlb_write_facets(const foug_stlb_geom_output_t* geom,
uint8_t* buffer,
uint32_t ifacet_start,
uint32_t facet_count)
@ -13,12 +13,12 @@ static void foug_stlb_write_facets(const foug_stlb_geom_output_t* geom_output,
uint32_t buffer_offset;
uint32_t i_facet;
if (geom_output->get_triangle_func == NULL)
if (geom == NULL || geom->get_triangle_func == NULL)
return;
buffer_offset = 0;
for (i_facet = ifacet_start; i_facet < (ifacet_start + facet_count); ++i_facet) {
geom_output->get_triangle_func(geom_output, i_facet, &triangle);
geom->get_triangle_func(geom, i_facet, &triangle);
memcpy(buffer + buffer_offset, &triangle, FOUG_STLB_TRIANGLE_SIZE);
buffer_offset += FOUG_STLB_TRIANGLE_SIZE;