[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [58386] trunk/blender/source/blender: optimization: avoid memcpy with shake key vertex array.
Campbell Barton
ideasman42 at gmail.com
Fri Jul 19 12:40:20 CEST 2013
Revision: 58386
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=58386
Author: campbellbarton
Date: 2013-07-19 10:40:20 +0000 (Fri, 19 Jul 2013)
Log Message:
-----------
optimization: avoid memcpy with shake key vertex array.
Modified Paths:
--------------
trunk/blender/source/blender/blenkernel/BKE_key.h
trunk/blender/source/blender/blenkernel/intern/key.c
trunk/blender/source/blender/modifiers/intern/MOD_shapekey.c
Modified: trunk/blender/source/blender/blenkernel/BKE_key.h
===================================================================
--- trunk/blender/source/blender/blenkernel/BKE_key.h 2013-07-19 10:40:12 UTC (rev 58385)
+++ trunk/blender/source/blender/blenkernel/BKE_key.h 2013-07-19 10:40:20 UTC (rev 58386)
@@ -59,6 +59,8 @@
void key_curve_tangent_weights(float t, float data[4], int type);
void key_curve_normal_weights(float t, float data[4], int type);
+float *BKE_key_evaluate_object_ex(struct Scene *scene, struct Object *ob, int *r_totelem,
+ float *arr, size_t arr_size);
float *BKE_key_evaluate_object(struct Scene *scene, struct Object *ob, int *r_totelem);
struct Key *BKE_key_from_object(struct Object *ob);
Modified: trunk/blender/source/blender/blenkernel/intern/key.c
===================================================================
--- trunk/blender/source/blender/blenkernel/intern/key.c 2013-07-19 10:40:12 UTC (rev 58385)
+++ trunk/blender/source/blender/blenkernel/intern/key.c 2013-07-19 10:40:20 UTC (rev 58386)
@@ -1342,7 +1342,8 @@
}
/* returns key coordinates (+ tilt) when key applied, NULL otherwise */
-float *BKE_key_evaluate_object(Scene *scene, Object *ob, int *r_totelem)
+float *BKE_key_evaluate_object_ex(Scene *scene, Object *ob, int *r_totelem,
+ float *arr, size_t arr_size)
{
Key *key = BKE_key_from_object(ob);
KeyBlock *actkb = BKE_keyblock_from_object(ob);
@@ -1386,8 +1387,17 @@
return NULL;
/* allocate array */
- out = MEM_callocN(size, "BKE_key_evaluate_object out");
+ if (arr == NULL) {
+ out = MEM_callocN(size, "BKE_key_evaluate_object out");
+ }
+ else {
+ if (arr_size != size) {
+ return NULL;
+ }
+ out = (char *)arr;
+ }
+
/* prevent python from screwing this up? anyhoo, the from pointer could be dropped */
key->from = (ID *)ob->data;
@@ -1427,6 +1437,11 @@
return (float *)out;
}
+float *BKE_key_evaluate_object(Scene *scene, Object *ob, int *r_totelem)
+{
+ return BKE_key_evaluate_object_ex(scene, ob, r_totelem, NULL, 0);
+}
+
Key *BKE_key_from_object(Object *ob)
{
if (ob == NULL) return NULL;
Modified: trunk/blender/source/blender/modifiers/intern/MOD_shapekey.c
===================================================================
--- trunk/blender/source/blender/modifiers/intern/MOD_shapekey.c 2013-07-19 10:40:12 UTC (rev 58385)
+++ trunk/blender/source/blender/modifiers/intern/MOD_shapekey.c 2013-07-19 10:40:20 UTC (rev 58386)
@@ -55,17 +55,12 @@
ModifierApplyFlag UNUSED(flag))
{
Key *key = BKE_key_from_object(ob);
- float (*deformedVerts)[3];
if (key && key->block.first) {
int deformedVerts_tot;
- deformedVerts = (float(*)[3])BKE_key_evaluate_object(md->scene, ob, &deformedVerts_tot);
- if (deformedVerts) {
- if (numVerts == deformedVerts_tot) {
- memcpy(vertexCos, deformedVerts, sizeof(float) * 3 * numVerts);
- }
- MEM_freeN(deformedVerts);
- }
+ BKE_key_evaluate_object_ex(md->scene, ob, &deformedVerts_tot,
+ (float *)vertexCos, sizeof(*vertexCos) * numVerts);
+
}
}
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