forked from bartvdbraak/blender
Fix autosmooth with recent DM optimizations
Also avoid multiple float->short conversions for the same normal.
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72c7e12a5d
commit
4143b8a6c7
@ -1419,10 +1419,9 @@ static void cdDM_buffer_copy_normal(
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{
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int i, totface;
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int start;
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float f_no[3];
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const float *nors = dm->getTessFaceDataArray(dm, CD_NORMAL);
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short (*tlnors)[4][3] = dm->getTessFaceDataArray(dm, CD_TESSLOOPNORMAL);
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const short (*tlnors)[4][3] = dm->getTessFaceDataArray(dm, CD_TESSLOOPNORMAL);
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MVert *mvert = dm->getVertArray(dm);
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MFace *f = dm->getTessFaceArray(dm);
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@ -1432,16 +1431,16 @@ static void cdDM_buffer_copy_normal(
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const int smoothnormal = (f->flag & ME_SMOOTH);
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if (tlnors) {
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short (*tlnor)[3] = tlnors[i];
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const short (*ln)[3] = tlnors[i];
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/* Copy loop normals */
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copy_v3_v3_short(&varray[start], tlnor[0]);
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copy_v3_v3_short(&varray[start + 3], tlnor[1]);
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copy_v3_v3_short(&varray[start + 6], tlnor[2]);
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start += 9;
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copy_v3_v3_short(&varray[start], ln[0]);
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copy_v3_v3_short(&varray[start + 4], ln[1]);
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copy_v3_v3_short(&varray[start + 8], ln[2]);
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start += 12;
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if (f->v4) {
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copy_v3_v3_short(&varray[start], tlnor[3]);
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start += 3;
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copy_v3_v3_short(&varray[start], ln[3]);
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start += 4;
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}
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}
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else if (smoothnormal) {
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@ -1458,30 +1457,39 @@ static void cdDM_buffer_copy_normal(
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}
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else if (nors) {
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/* copy cached face normal */
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normal_float_to_short_v3(&varray[start], &nors[i * 3]);
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normal_float_to_short_v3(&varray[start + 4], &nors[i * 3]);
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normal_float_to_short_v3(&varray[start + 8], &nors[i * 3]);
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short f_no_s[3];
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normal_float_to_short_v3(f_no_s, &nors[i * 3]);
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copy_v3_v3_short(&varray[start], f_no_s);
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copy_v3_v3_short(&varray[start + 4], f_no_s);
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copy_v3_v3_short(&varray[start + 8], f_no_s);
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start += 12;
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if (f->v4) {
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normal_float_to_short_v3(&varray[start], &nors[i * 3]);
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copy_v3_v3_short(&varray[start], f_no_s);
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start += 4;
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}
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}
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else {
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/* calculate face normal */
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float f_no[3];
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short f_no_s[3];
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if (f->v4)
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normal_quad_v3(f_no, mvert[f->v1].co, mvert[f->v2].co, mvert[f->v3].co, mvert[f->v4].co);
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else
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normal_tri_v3(f_no, mvert[f->v1].co, mvert[f->v2].co, mvert[f->v3].co);
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normal_float_to_short_v3(&varray[start], f_no);
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normal_float_to_short_v3(&varray[start + 4], f_no);
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normal_float_to_short_v3(&varray[start + 8], f_no);
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normal_float_to_short_v3(f_no_s, f_no);
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copy_v3_v3_short(&varray[start], f_no_s);
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copy_v3_v3_short(&varray[start + 4], f_no_s);
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copy_v3_v3_short(&varray[start + 8], f_no_s);
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start += 12;
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if (f->v4) {
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normal_float_to_short_v3(&varray[start], f_no);
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copy_v3_v3_short(&varray[start], f_no_s);
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start += 4;
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}
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}
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@ -1769,7 +1769,7 @@ static void ccgDM_buffer_copy_normal(
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CCGDerivedMesh *ccgdm = (CCGDerivedMesh *) dm;
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CCGSubSurf *ss = ccgdm->ss;
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CCGKey key;
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short (*lnors)[4][3] = dm->getTessFaceDataArray(dm, CD_TESSLOOPNORMAL);
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const short (*lnors)[4][3] = dm->getTessFaceDataArray(dm, CD_TESSLOOPNORMAL);
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int gridSize = ccgSubSurf_getGridSize(ss);
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int gridFaces = gridSize - 1;
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DMFlagMat *faceFlags = ccgdm->faceFlags;
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@ -1784,7 +1784,7 @@ static void ccgDM_buffer_copy_normal(
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CCGFace *f = ccgdm->faceMap[i].face;
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int S, x, y, numVerts = ccgSubSurf_getFaceNumVerts(f);
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int index = GET_INT_FROM_POINTER(ccgSubSurf_getFaceFaceHandle(f));
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short (*ln)[4][3] = NULL;
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const short (*ln)[3] = NULL;
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if (faceFlags) {
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shademodel = (lnors || (faceFlags[index].flag & ME_SMOOTH)) ? GL_SMOOTH : GL_FLAT;
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@ -1794,7 +1794,7 @@ static void ccgDM_buffer_copy_normal(
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}
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if (lnors) {
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ln = lnors;
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ln = *lnors;
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lnors += gridFaces * gridFaces * numVerts;
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}
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@ -1805,13 +1805,13 @@ static void ccgDM_buffer_copy_normal(
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/* Can't use quad strips here... */
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for (y = 0; y < gridFaces; y ++) {
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for (x = 0; x < gridFaces; x ++) {
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copy_v3_v3_short(&varray[start], ln[0][0]);
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copy_v3_v3_short(&varray[start + 4], ln[0][3]);
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copy_v3_v3_short(&varray[start + 8], ln[0][2]);
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copy_v3_v3_short(&varray[start + 12], ln[0][1]);
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copy_v3_v3_short(&varray[start], ln[0]);
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copy_v3_v3_short(&varray[start + 4], ln[3]);
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copy_v3_v3_short(&varray[start + 8], ln[2]);
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copy_v3_v3_short(&varray[start + 12], ln[1]);
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start += 16;
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ln ++;
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ln += 4;
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}
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}
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}
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@ -1835,18 +1835,21 @@ static void ccgDM_buffer_copy_normal(
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else {
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for (y = 0; y < gridFaces; y ++) {
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for (x = 0; x < gridFaces; x ++) {
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float no[3];
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float f_no[3];
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short f_no_s[3];
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float *a = CCG_grid_elem_co(&key, faceGridData, x, y );
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float *b = CCG_grid_elem_co(&key, faceGridData, x + 1, y );
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float *c = CCG_grid_elem_co(&key, faceGridData, x + 1, y + 1);
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float *d = CCG_grid_elem_co(&key, faceGridData, x, y + 1);
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ccgDM_NormalFast(a, b, c, d, no);
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ccgDM_NormalFast(a, b, c, d, f_no);
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normal_float_to_short_v3(f_no_s, f_no);
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normal_float_to_short_v3(&varray[start], no);
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normal_float_to_short_v3(&varray[start + 4], no);
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normal_float_to_short_v3(&varray[start + 8], no);
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normal_float_to_short_v3(&varray[start + 12], no);
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copy_v3_v3_short(&varray[start], f_no_s);
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copy_v3_v3_short(&varray[start + 4], f_no_s);
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copy_v3_v3_short(&varray[start + 8], f_no_s);
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copy_v3_v3_short(&varray[start + 12], f_no_s);
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start += 16;
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}
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