Commit: 45507319635a0351d3c5010d75c32e40bf211d25
Author: Brecht Van Lommel
Date:   Sat Apr 5 14:36:18 2014 +0200
https://developer.blender.org/rB45507319635a0351d3c5010d75c32e40bf211d25

RNA: optimization to avoid malloc for iterators.

This mostly helps making Cycles scene synchronization a bit faster.

===================================================================

M       source/blender/makesrna/RNA_types.h
M       source/blender/makesrna/intern/makesrna.c
M       source/blender/makesrna/intern/rna_access.c
M       source/blender/makesrna/intern/rna_action.c
M       source/blender/makesrna/intern/rna_armature.c
M       source/blender/makesrna/intern/rna_group.c
M       source/blender/makesrna/intern/rna_internal.h
M       source/blender/makesrna/intern/rna_rna.c
M       source/blender/makesrna/intern/rna_scene.c
M       source/blender/makesrna/intern/rna_sequencer.c

===================================================================

diff --git a/source/blender/makesrna/RNA_types.h 
b/source/blender/makesrna/RNA_types.h
index 4bf0719..83f3870 100644
--- a/source/blender/makesrna/RNA_types.h
+++ b/source/blender/makesrna/RNA_types.h
@@ -236,12 +236,40 @@ typedef enum PropertyFlag {
        PROP_ENUM_NO_TRANSLATE       = (1 << 29), /* for enums not to be 
translated (e.g. renderlayers' names in nodes) */
 } PropertyFlag;
 
+struct CollectionPropertyIterator;
+struct Link;
+typedef int (*IteratorSkipFunc)(struct CollectionPropertyIterator *iter, void 
*data);
+
+typedef struct ListBaseIterator {
+       struct Link *link;
+       int flag;
+       IteratorSkipFunc skip;
+} ListBaseIterator;
+
+typedef struct ArrayIterator {
+       char *ptr;
+       char *endptr;  /* past the last valid pointer, only for comparisons, 
ignores skipped values */
+       void *free_ptr; /* will be freed if set */
+       int itemsize;
+
+       /* array length with no skip functions applied, take care not to 
compare against index from animsys
+        * or python indices */
+       int length;
+
+       /* optional skip function, when set the array as viewed by rna can 
contain only a subset of the members.
+        * this changes indices so quick array index lookups are not possible 
when skip function is used. */
+       IteratorSkipFunc skip;
+} ArrayIterator;
+
 typedef struct CollectionPropertyIterator {
        /* internal */
        PointerRNA parent;
        PointerRNA builtin_parent;
        struct PropertyRNA *prop;
-       void *internal;
+       union {
+               ArrayIterator array;
+               ListBaseIterator listbase;
+       } internal;
        int idprop;
        int level;
 
diff --git a/source/blender/makesrna/intern/makesrna.c 
b/source/blender/makesrna/intern/makesrna.c
index 76a9677..029e25f 100644
--- a/source/blender/makesrna/intern/makesrna.c
+++ b/source/blender/makesrna/intern/makesrna.c
@@ -1147,7 +1147,7 @@ static char *rna_def_property_lookup_int_func(FILE *f, 
StructRNA *srna, Property
        fprintf(f, "    if (iter.valid) {\n");
 
        if (strcmp(nextfunc, "rna_iterator_array_next") == 0) {
-               fprintf(f, "            ArrayIterator *internal = 
iter.internal;\n");
+               fprintf(f, "            ArrayIterator *internal = 
&iter.internal.array;\n");
                fprintf(f, "            if (index < 0 || index >= 
internal->length) {\n");
                fprintf(f, "#ifdef __GNUC__\n");
                fprintf(f, "                    printf(\"Array iterator out of 
range: %%s (index %%d)\\n\", __func__, index);\n");
@@ -1167,7 +1167,7 @@ static char *rna_def_property_lookup_int_func(FILE *f, 
StructRNA *srna, Property
                fprintf(f, "            }\n");
        }
        else if (strcmp(nextfunc, "rna_iterator_listbase_next") == 0) {
-               fprintf(f, "            ListBaseIterator *internal = 
iter.internal;\n");
+               fprintf(f, "            ListBaseIterator *internal = 
&iter.internal.listbase;\n");
                fprintf(f, "            if (internal->skip) {\n");
                fprintf(f, "                    while (index-- > 0 && 
iter.valid) {\n");
                fprintf(f, "                            
rna_iterator_listbase_next(&iter);\n");
diff --git a/source/blender/makesrna/intern/rna_access.c 
b/source/blender/makesrna/intern/rna_access.c
index 5e0ed7c..b0ed7e2 100644
--- a/source/blender/makesrna/intern/rna_access.c
+++ b/source/blender/makesrna/intern/rna_access.c
@@ -2886,7 +2886,7 @@ void 
RNA_property_collection_skip(CollectionPropertyIterator *iter, int num)
 
        if (num > 1 && (iter->idprop || (cprop->property.flag & 
PROP_RAW_ARRAY))) {
                /* fast skip for array */
-               ArrayIterator *internal = iter->internal;
+               ArrayIterator *internal = &iter->internal.array;
 
                if (!internal->skip) {
                        internal->ptr += internal->itemsize * (num - 1);
@@ -3227,7 +3227,7 @@ int RNA_property_collection_raw_array(PointerRNA *ptr, 
PropertyRNA *prop, Proper
 
        if (iter.valid) {
                /* get data from array iterator and item property */
-               internal = iter.internal;
+               internal = &iter.internal.array;
                arrayp = (iter.valid) ? iter.ptr.data : NULL;
 
                if (internal->skip || !RNA_property_editable(&iter.ptr, 
itemprop)) {
@@ -3644,13 +3644,11 @@ int RNA_property_collection_raw_set(ReportList 
*reports, PointerRNA *ptr, Proper
 
 void rna_iterator_listbase_begin(CollectionPropertyIterator *iter, ListBase 
*lb, IteratorSkipFunc skip)
 {
-       ListBaseIterator *internal;
+       ListBaseIterator *internal = &iter->internal.listbase;
 
-       internal = MEM_callocN(sizeof(ListBaseIterator), "ListBaseIterator");
        internal->link = (lb) ? lb->first : NULL;
        internal->skip = skip;
 
-       iter->internal = internal;
        iter->valid = (internal->link != NULL);
 
        if (skip && iter->valid && skip(iter, internal->link))
@@ -3659,7 +3657,7 @@ void 
rna_iterator_listbase_begin(CollectionPropertyIterator *iter, ListBase *lb,
 
 void rna_iterator_listbase_next(CollectionPropertyIterator *iter)
 {
-       ListBaseIterator *internal = iter->internal;
+       ListBaseIterator *internal = &iter->internal.listbase;
 
        if (internal->skip) {
                do {
@@ -3675,15 +3673,13 @@ void 
rna_iterator_listbase_next(CollectionPropertyIterator *iter)
 
 void *rna_iterator_listbase_get(CollectionPropertyIterator *iter)
 {
-       ListBaseIterator *internal = iter->internal;
+       ListBaseIterator *internal = &iter->internal.listbase;
 
        return internal->link;
 }
 
-void rna_iterator_listbase_end(CollectionPropertyIterator *iter)
+void rna_iterator_listbase_end(CollectionPropertyIterator *UNUSED(iter))
 {
-       MEM_freeN(iter->internal);
-       iter->internal = NULL;
 }
 
 PointerRNA rna_listbase_lookup_int(PointerRNA *ptr, StructRNA *type, struct 
ListBase *lb, int index)
@@ -3704,7 +3700,7 @@ void rna_iterator_array_begin(CollectionPropertyIterator 
*iter, void *ptr, int i
                itemsize = 0;
        }
 
-       internal = MEM_callocN(sizeof(ArrayIterator), "ArrayIterator");
+       internal = &iter->internal.array;
        internal->ptr = ptr;
        internal->free_ptr = free_ptr ? ptr : NULL;
        internal->endptr = ((char *)ptr) + length * itemsize;
@@ -3712,7 +3708,6 @@ void rna_iterator_array_begin(CollectionPropertyIterator 
*iter, void *ptr, int i
        internal->skip = skip;
        internal->length = length;
        
-       iter->internal = internal;
        iter->valid = (internal->ptr != internal->endptr);
 
        if (skip && iter->valid && skip(iter, internal->ptr))
@@ -3721,7 +3716,7 @@ void rna_iterator_array_begin(CollectionPropertyIterator 
*iter, void *ptr, int i
 
 void rna_iterator_array_next(CollectionPropertyIterator *iter)
 {
-       ArrayIterator *internal = iter->internal;
+       ArrayIterator *internal = &iter->internal.array;
 
        if (internal->skip) {
                do {
@@ -3737,14 +3732,14 @@ void rna_iterator_array_next(CollectionPropertyIterator 
*iter)
 
 void *rna_iterator_array_get(CollectionPropertyIterator *iter)
 {
-       ArrayIterator *internal = iter->internal;
+       ArrayIterator *internal = &iter->internal.array;
 
        return internal->ptr;
 }
 
 void *rna_iterator_array_dereference_get(CollectionPropertyIterator *iter)
 {
-       ArrayIterator *internal = iter->internal;
+       ArrayIterator *internal = &iter->internal.array;
 
        /* for ** arrays */
        return *(void **)(internal->ptr);
@@ -3752,14 +3747,12 @@ void 
*rna_iterator_array_dereference_get(CollectionPropertyIterator *iter)
 
 void rna_iterator_array_end(CollectionPropertyIterator *iter)
 {
-       ArrayIterator *internal = iter->internal;
+       ArrayIterator *internal = &iter->internal.array;
        
        if (internal->free_ptr) {
                MEM_freeN(internal->free_ptr);
                internal->free_ptr = NULL;
        }
-       MEM_freeN(iter->internal);
-       iter->internal = NULL;
 }
 
 PointerRNA rna_array_lookup_int(PointerRNA *ptr, StructRNA *type, void *data, 
int itemsize, int length, int index)
diff --git a/source/blender/makesrna/intern/rna_action.c 
b/source/blender/makesrna/intern/rna_action.c
index de12839..ecfa128 100644
--- a/source/blender/makesrna/intern/rna_action.c
+++ b/source/blender/makesrna/intern/rna_action.c
@@ -56,7 +56,7 @@
 
 static void rna_ActionGroup_channels_next(CollectionPropertyIterator *iter)
 {
-       ListBaseIterator *internal = iter->internal;
+       ListBaseIterator *internal = &iter->internal.listbase;
        FCurve *fcu = (FCurve *)internal->link;
        bActionGroup *grp = fcu->grp;
        
diff --git a/source/blender/makesrna/intern/rna_armature.c 
b/source/blender/makesrna/intern/rna_armature.c
index 9d4e7a1..612ce14 100644
--- a/source/blender/makesrna/intern/rna_armature.c
+++ b/source/blender/makesrna/intern/rna_armature.c
@@ -441,7 +441,7 @@ static void rna_Armature_editbone_transform_update(Main 
*bmain, Scene *scene, Po
 
 static void rna_Armature_bones_next(CollectionPropertyIterator *iter)
 {
-       ListBaseIterator *internal = iter->internal;
+       ListBaseIterator *internal = &iter->internal.listbase;
        Bone *bone = (Bone *)internal->link;
 
        if (bone->childbase.first)
diff --git a/source/blender/makesrna/intern/rna_group.c 
b/source/blender/makesrna/intern/rna_group.c
index 0706d97..2f9c12c 100644
--- a/source/blender/makesrna/intern/rna_group.c
+++ b/source/blender/makesrna/intern/rna_group.c
@@ -47,7 +47,7 @@
 
 static PointerRNA rna_Group_objects_get(CollectionPropertyIterator *iter)
 {
-       ListBaseIterator *internal = iter->internal;
+       ListBaseIterator *internal = &iter->internal.listbase;
 
        /* we are actually iterating a GroupObject list, so override get */
        return rna_pointer_inherit_refine(&iter->parent, &RNA_Object, 
((GroupObject *)internal->link)->ob);
diff --git a/source/blender/makesrna/intern/rna_internal.h 
b/source/blender/makesrna/intern/rna_internal.h
index d75ee25..ecfb7f5 100644
--- a/source/blender/makesrna/intern/rna_internal.h
+++ b/source/blender/makesrna/intern/rna_internal.h
@@ -355,35 +355,12 @@ int rna_builtin_properties_lookup_string(PointerRNA *ptr, 
const char *key, Point
 
 /* Iterators */
 
-typedef int (*IteratorSkipFunc)(struct CollectionPropertyIterator *iter, void 
*data);
-
-typedef struct ListBaseIterator {
-       Link *link;
-       int flag;
-       IteratorSkipFunc skip;
-} ListBaseIterator;
-
 void rna_iterator_listbase_begin(struct CollectionPropertyIterator *iter, 
struct ListBase *lb, IteratorSkipFunc skip);
 void rna_iterator_listbase_next(struct CollectionPropertyIterator *iter);
 void *rna_iterator_listbase_get(struct CollectionPropertyIterator *iter);
 void rna_iterator_listbase_end(struct CollectionPropertyIterator *iter);
 PointerRNA rna_listbase_lookup_int(PointerRNA *ptr, StructRNA *type, struct 
ListBase *lb, int index);
 
-typedef struct ArrayIterator {
-       char *ptr;
-       char *endptr;  /* past the last valid pointer, only for comparisons, 
ignores skipped values */
-       void *free_ptr; /* will be freed if set */
-       int itemsize;
-
-       /* array length with no skip functions applied, 

@@ Diff output truncated at 10240 characters. @@

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