Commit: cb7f7b9abd1a45e5fc80df60bb20c5f43e45ab5e
Author: Campbell Barton
Date: Mon Aug 17 17:24:34 2015 +1000
Branches: master
https://developer.blender.org/rBcb7f7b9abd1a45e5fc80df60bb20c5f43e45ab5e
Subsurf: don't reserve MFace by default
Instead, the cache can be calculated only when its needed (fixes T45787).
===================================================================
M source/blender/blenkernel/intern/subsurf_ccg.c
===================================================================
diff --git a/source/blender/blenkernel/intern/subsurf_ccg.c
b/source/blender/blenkernel/intern/subsurf_ccg.c
index 69483a4..bd5a2f7 100644
--- a/source/blender/blenkernel/intern/subsurf_ccg.c
+++ b/source/blender/blenkernel/intern/subsurf_ccg.c
@@ -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;
}
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