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Subsurf: don't reserve MFace by default

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Instead, the cache can be calculated only when its needed (fixes T45787).
This commit is contained in:
Campbell Barton
2015-08-17 17:24:34 +10:00
parent 6e65185854
commit cb7f7b9abd
1 changed files with 16 additions and 100 deletions
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116
source/blender/blenkernel/intern/subsurf_ccg.c
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@@ -903,13 +903,18 @@ static int ccgDM_getNumEdges(DerivedMesh *dm)
return ccgSubSurf_getNumFinalEdges(ccgdm->ss);
}
static int ccgDM_getNumTessFaces(DerivedMesh *dm)
static int ccgDM_getNumPolys(DerivedMesh *dm)
{
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *) dm;
return ccgSubSurf_getNumFinalFaces(ccgdm->ss);
}
static int ccgDM_getNumTessFaces(DerivedMesh *dm)
{
return dm->numTessFaceData;
}
static int ccgDM_getNumLoops(DerivedMesh *dm)
{
CCGDerivedMesh *ccgdm = (CCGDerivedMesh *) dm;
@@ -1433,7 +1438,7 @@ static void ccgDM_copyFinalFaceArray(DerivedMesh *dm, MFace *mface)
int i = 0;
DMFlagMat *faceFlags = ccgdm->faceFlags;
totface = ccgSubSurf_getNumFaces(ss);
totface = dm->getNumTessFaces(dm);
for (index = 0; index < totface; index++) {
CCGFace *f = ccgdm->faceMap[index].face;
int x, y, S, numVerts = ccgSubSurf_getFaceNumVerts(f);
@@ -3568,58 +3573,6 @@ static void ccgDM_release(DerivedMesh *dm)
}
}
static void ccg_loops_to_corners(CustomData *fdata, CustomData *ldata,
CustomData *pdata, int loopstart, int findex, int polyindex,
const int numTex, const int numCol, const int hasPCol, const int hasOrigSpace)
{
MTFace *texface;
MTexPoly *texpoly;
MCol *mcol;
MLoopCol *mloopcol;
MLoopUV *mloopuv;
int i, j;
for (i = 0; i < numTex; i++) {
texface = CustomData_get_n(fdata, CD_MTFACE, findex, i);
texpoly = CustomData_get_n(pdata, CD_MTEXPOLY, polyindex, i);
ME_MTEXFACE_CPY(texface, texpoly);
mloopuv = CustomData_get_n(ldata, CD_MLOOPUV, loopstart, i);
for (j = 0; j < 4; j++, mloopuv++) {
copy_v2_v2(texface->uv[j], mloopuv->uv);
}
}
for (i = 0; i < numCol; i++) {
mloopcol = CustomData_get_n(ldata, CD_MLOOPCOL, loopstart, i);
mcol = CustomData_get_n(fdata, CD_MCOL, findex, i);
for (j = 0; j < 4; j++, mloopcol++) {
MESH_MLOOPCOL_TO_MCOL(mloopcol, &mcol[j]);
}
}
if (hasPCol) {
mloopcol = CustomData_get(ldata, loopstart, CD_PREVIEW_MLOOPCOL);
mcol = CustomData_get(fdata, findex, CD_PREVIEW_MCOL);
for (j = 0; j < 4; j++, mloopcol++) {
MESH_MLOOPCOL_TO_MCOL(mloopcol, &mcol[j]);
}
}
if (hasOrigSpace) {
OrigSpaceFace *of = CustomData_get(fdata, findex, CD_ORIGSPACE);
OrigSpaceLoop *lof;
lof = CustomData_get(ldata, loopstart, CD_ORIGSPACE_MLOOP);
for (j = 0; j < 4; j++, lof++) {
copy_v2_v2(of->uv[j], lof->uv);
}
}
}
static void *ccgDM_get_vert_data_layer(DerivedMesh *dm, int type)
{
if (type == CD_ORIGINDEX) {
@@ -4102,10 +4055,10 @@ static void set_default_ccgdm_callbacks(CCGDerivedMesh *ccgdm)
ccgdm->dm.getMinMax = ccgDM_getMinMax;
ccgdm->dm.getNumVerts = ccgDM_getNumVerts;
ccgdm->dm.getNumEdges = ccgDM_getNumEdges;
ccgdm->dm.getNumTessFaces = ccgDM_getNumTessFaces;
ccgdm->dm.getNumLoops = ccgDM_getNumLoops;
/* reuse of ccgDM_getNumTessFaces is intentional here: subsurf polys are just created from tessfaces */
ccgdm->dm.getNumPolys = ccgDM_getNumTessFaces;
ccgdm->dm.getNumPolys = ccgDM_getNumPolys;
ccgdm->dm.getNumTessFaces = ccgDM_getNumTessFaces;
ccgdm->dm.getLoopTriArray = ccgDM_getLoopTriArray;
@@ -4255,10 +4208,6 @@ static void set_ccgdm_all_geometry(CCGDerivedMesh *ccgdm,
hasPCol = CustomData_has_layer(&ccgdm->dm.loopData, CD_PREVIEW_MLOOPCOL);
hasOrigSpace = CustomData_has_layer(&ccgdm->dm.loopData, CD_ORIGSPACE_MLOOP);
/* We absolutely need that layer, else it's no valid tessellated data! */
polyidx = CustomData_add_layer(&ccgdm->dm.faceData, CD_ORIGINDEX, CD_CALLOC,
NULL, ccgSubSurf_getNumFinalFaces(ss));
edgeSize = ccgSubSurf_getEdgeSize(ss);
gridSize = ccgSubSurf_getGridSize(ss);
gridFaces = gridSize - 1;
@@ -4410,11 +4359,6 @@ static void set_ccgdm_all_geometry(CCGDerivedMesh *ccgdm,
/*copy over poly data, e.g. mtexpoly*/
CustomData_copy_data(&dm->polyData, &ccgdm->dm.polyData, origIndex, faceNum, 1);
/*generate tessellated face data used for drawing*/
ccg_loops_to_corners(&ccgdm->dm.faceData, &ccgdm->dm.loopData,
&ccgdm->dm.polyData, loopindex2 - 4, faceNum, faceNum,
numTex, numCol, hasPCol, hasOrigSpace);
/*set original index data*/
if (faceOrigIndex) {
/* reference the index in 'polyOrigIndex' */
@@ -4429,7 +4373,9 @@ static void set_ccgdm_all_geometry(CCGDerivedMesh *ccgdm,
ccgdm->reverseFaceMap[faceNum] = index;
/* This is a simple one to one mapping, here... */
polyidx[faceNum] = faceNum;
if (polyidx) {
polyidx[faceNum] = faceNum;
}
faceNum++;
}
@@ -4566,8 +4512,6 @@ static CCGDerivedMesh *getCCGDerivedMesh(CCGSubSurf *ss,
const int totface = ccgSubSurf_getNumFaces(ss);
#endif
CCGDerivedMesh *ccgdm = MEM_callocN(sizeof(*ccgdm), "ccgdm");
int numTex, numCol;
int hasPCol, hasOrigSpace;
if (use_gpu_backend == false) {
BLI_assert(totedge == ccgSubSurf_getNumEdges(ss));
@@ -4575,35 +4519,10 @@ static CCGDerivedMesh *getCCGDerivedMesh(CCGSubSurf *ss,
DM_from_template(&ccgdm->dm, dm, DM_TYPE_CCGDM,
ccgSubSurf_getNumFinalVerts(ss),
ccgSubSurf_getNumFinalEdges(ss),
ccgSubSurf_getNumFinalFaces(ss),
0,
ccgSubSurf_getNumFinalFaces(ss) * 4,
ccgSubSurf_getNumFinalFaces(ss));
numTex = CustomData_number_of_layers(&ccgdm->dm.loopData,
CD_MLOOPUV);
numCol = CustomData_number_of_layers(&ccgdm->dm.loopData,
CD_MLOOPCOL);
hasPCol = CustomData_has_layer(&ccgdm->dm.loopData,
CD_PREVIEW_MLOOPCOL);
hasOrigSpace = CustomData_has_layer(&ccgdm->dm.loopData,
CD_ORIGSPACE_MLOOP);
if (
(numTex && CustomData_number_of_layers(&ccgdm->dm.faceData,
CD_MTFACE) != numTex) ||
(numCol && CustomData_number_of_layers(&ccgdm->dm.faceData,
CD_MCOL) != numCol) ||
(hasPCol && !CustomData_has_layer(&ccgdm->dm.faceData,
CD_PREVIEW_MCOL)) ||
(hasOrigSpace && !CustomData_has_layer(&ccgdm->dm.faceData,
CD_ORIGSPACE)) )
{
CustomData_from_bmeshpoly(&ccgdm->dm.faceData,
&ccgdm->dm.polyData,
&ccgdm->dm.loopData,
ccgSubSurf_getNumFinalFaces(ss));
}
CustomData_free_layer_active(&ccgdm->dm.polyData, CD_NORMAL,
ccgdm->dm.numPolyData);
@@ -4641,12 +4560,9 @@ static CCGDerivedMesh *getCCGDerivedMesh(CCGSubSurf *ss,
ccgdm->dm.numVertData = ccgSubSurf_getNumFinalVerts(ss);
ccgdm->dm.numEdgeData = ccgSubSurf_getNumFinalEdges(ss);
ccgdm->dm.numTessFaceData = ccgSubSurf_getNumFinalFaces(ss);
ccgdm->dm.numLoopData = ccgdm->dm.numTessFaceData * 4;
ccgdm->dm.numPolyData = ccgdm->dm.numTessFaceData;
/* All tessellated CD layers were updated! */
ccgdm->dm.dirty &= ~DM_DIRTY_TESS_CDLAYERS;
ccgdm->dm.numPolyData = ccgSubSurf_getNumFinalFaces(ss);
ccgdm->dm.numLoopData = ccgdm->dm.numPolyData * 4;
ccgdm->dm.numTessFaceData = 0;
return ccgdm;
}