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evas 3d - fix possible divide by zero 

fixes CID 1216432
This commit is contained in:
Carsten Haitzler 2014-08-27 16:48:40 +09:00
parent 144a92105c
commit efb4535807
1 changed files with 6 additions and 3 deletions
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9
src/lib/evas/canvas/evas_3d_mesh.c
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@ -60,15 +60,17 @@ Eina_Bool
evas_3d_mesh_aabb_add_to_frame(Evas_3D_Mesh_Data *pd, int frame, int stride)
{
Evas_3D_Mesh_Frame *curframe = evas_3d_mesh_frame_find(pd, frame);
int i = 0, j = 0, step = 0, size = 0;
int i = 0, j = 0, step = 0, size = 0, max;
float vxmin, vymin, vzmin, vxmax, vymax, vzmax;
float *minmaxdata = NULL;
Evas_Box3 box3;
if (stride <= 0) return EINA_FALSE;
if (!curframe)
{
ERR("Invalid frame %i.", frame);
return EINA_FALSE;
return EINA_FALSE;
}
step = curframe->vertices[EVAS_3D_VERTEX_POSITION].element_count;
@ -86,7 +88,8 @@ evas_3d_mesh_aabb_add_to_frame(Evas_3D_Mesh_Data *pd, int frame, int stride)
vzmax = vzmin = minmaxdata[2];
j += step;
for (i = 1; i < size/stride; ++i)
max = size / stride;
for (i = 1; i < max; ++i)
{
vxmin > minmaxdata[j] ? vxmin = minmaxdata[j] : 0;
vxmax < minmaxdata[j] ? vxmax = minmaxdata[j] : 0;