2 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/math/m_vector.c b/src/mesa/math/m_vector.c
index dd631376d07..06364217277 100644
--- a/src/mesa/math/m_vector.c
+++ b/src/mesa/math/m_vector.c
@@ -102,6 +102,7 @@ _mesa_vector4f_alloc( GLvector4f *v, GLuint flags, GLuint count,
    v->stride = 4 * sizeof(GLfloat);
    v->size = 2;
    v->storage = ALIGN_MALLOC( count * 4 * sizeof(GLfloat), alignment );
+   v->storage_count = count;
    v->start = (GLfloat *) v->storage;
    v->data = (GLfloat (*)[4]) v->storage;
    v->count = 0;
diff --git a/src/mesa/math/m_vector.h b/src/mesa/math/m_vector.h
index 9112a2b5d56..fcf618a7403 100644
--- a/src/mesa/math/m_vector.h
+++ b/src/mesa/math/m_vector.h
@@ -67,6 +67,7 @@ typedef struct {
    GLuint size;		/**< 2-4 for vertices and 1-4 for texcoords */
    GLuint flags;	/**< which columns are dirty */
    void *storage;	/**< self-allocated storage */
+   GLuint storage_count; /**< storage size in elements */
 } GLvector4f;