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a place to cache draw data in DerivedMesh

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DerivedMesh owns this cache and cleans up as part of DM cleanup. DM has no idea what is stored in this cache. Loose coupling FTW
This commit is contained in:
Mike Erwin
2016-10-23 23:22:16 -04:00
parent e53ab2b9ec
commit 2cb45c9938
2 changed files with 18 additions and 1 deletions
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14
source/blender/blenkernel/intern/DerivedMesh.c
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@@ -258,6 +258,12 @@ static CustomData *dm_getPolyCData(DerivedMesh *dm)
return &dm->polyData;
}
static DMCleanupBatchCache cleanupBatchCache = NULL;
void DM_set_batch_cleanup_callback(DMCleanupBatchCache func)
{
cleanupBatchCache = func;
}
/**
* Utility function to initialize a DerivedMesh's function pointers to
* the default implementation (for those functions which have a default)
@@ -315,7 +321,9 @@ void DM_init(
dm->numPolyData = numPolys;
DM_init_funcs(dm);
dm->batchCache = NULL; /* necessary? dm->drawObject is not set to NULL yet it works fine */
dm->needsFree = 1;
dm->auto_bump_scale = -1.0f;
dm->dirty = 0;
@@ -375,6 +383,10 @@ int DM_release(DerivedMesh *dm)
if (dm->needsFree) {
bvhcache_free(&dm->bvhCache);
GPU_drawobject_free(dm);
if (dm->batchCache && cleanupBatchCache) {
cleanupBatchCache(dm->batchCache);
dm->batchCache = NULL;
}
CustomData_free(&dm->vertData, dm->numVertData);
CustomData_free(&dm->edgeData, dm->numEdgeData);
CustomData_free(&dm->faceData, dm->numTessFaceData);