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Use polygon normals for baking

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This commit is contained in:
Campbell Barton
2015-08-09 11:05:25 +10:00
parent e229d66e99
commit a9f6b27281
1 changed files with 11 additions and 4 deletions
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15
source/blender/render/intern/source/bake_api.c
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@@ -64,6 +64,8 @@
* For a complete implementation example look at the Cycles Bake commit.
*/
#include <limits.h>
#include "MEM_guardedalloc.h"
#include "BLI_math.h"
@@ -364,6 +366,9 @@ static void mesh_calc_tri_tessface(
bool calculate_normal;
const int tottri = poly_to_tri_count(me->totpoly, me->totloop);
MLoopTri *looptri;
/* calculate normal for each polygon only once */
unsigned int mpoly_prev = UINT_MAX;
float no[3];
mvert = CustomData_get_layer(&me->vdata, CD_MVERT);
looptri = MEM_mallocN(sizeof(*looptri) * tottri, __func__);
@@ -400,10 +405,12 @@ static void mesh_calc_tri_tessface(
triangles[i].tspace[2] = &tspace[lt->tri[2]];
if (calculate_normal) {
normal_tri_v3(triangles[i].normal,
triangles[i].mverts[0]->co,
triangles[i].mverts[1]->co,
triangles[i].mverts[2]->co);
if (lt->poly != mpoly_prev) {
const MPoly *mp = &me->mpoly[lt->poly];
BKE_mesh_calc_poly_normal(mp, &me->mloop[mp->loopstart], me->mvert, no);
mpoly_prev = lt->poly;
}
copy_v3_v3(triangles[i].normal, no);
}
else {
copy_v3_v3(triangles[i].normal, &precomputed_normals[lt->poly]);