[Bf-blender-cvs] [95a7a0a06eb] blender2.8: Gawain: add GWN_vertbuf_clear
Campbell Barton
noreply at git.blender.org
Wed Jul 12 17:50:38 CEST 2017
Commit: 95a7a0a06ebc7c88bc56c90bb4edfeef302694b7
Author: Campbell Barton
Date: Thu Jul 13 00:28:18 2017 +1000
Branches: blender2.8
https://developer.blender.org/rB95a7a0a06ebc7c88bc56c90bb4edfeef302694b7
Gawain: add GWN_vertbuf_clear
Needed to clear the buffer without freeing.
===================================================================
M intern/gawain/gawain/vertex_buffer.h
M intern/gawain/src/vertex_buffer.c
===================================================================
diff --git a/intern/gawain/gawain/vertex_buffer.h b/intern/gawain/gawain/vertex_buffer.h
index a66154d06e3..9aee8e05877 100644
--- a/intern/gawain/gawain/vertex_buffer.h
+++ b/intern/gawain/gawain/vertex_buffer.h
@@ -31,6 +31,7 @@ typedef struct {
Gwn_VertBuf* GWN_vertbuf_create(void);
Gwn_VertBuf* GWN_vertbuf_create_with_format(const Gwn_VertFormat*);
+void GWN_vertbuf_clear(Gwn_VertBuf* verts);
void GWN_vertbuf_discard(Gwn_VertBuf*);
void GWN_vertbuf_init(Gwn_VertBuf*);
diff --git a/intern/gawain/src/vertex_buffer.c b/intern/gawain/src/vertex_buffer.c
index a9b481261f3..364e16a1a68 100644
--- a/intern/gawain/src/vertex_buffer.c
+++ b/intern/gawain/src/vertex_buffer.c
@@ -51,6 +51,25 @@ void GWN_vertbuf_init_with_format(Gwn_VertBuf* verts, const Gwn_VertFormat* form
VertexFormat_pack(&verts->format);
}
+/**
+ * Like #GWN_vertbuf_discard but doesn't free.
+ */
+void GWN_vertbuf_clear(Gwn_VertBuf* verts)
+ {
+ if (verts->vbo_id) {
+ GWN_buf_id_free(verts->vbo_id);
+ vbo_memory_usage -= GWN_vertbuf_size_get(verts);
+ }
+#if KEEP_SINGLE_COPY
+ else
+#endif
+ if (verts->data)
+ {
+ free(verts->data);
+ verts->data = NULL;
+ }
+ }
+
void GWN_vertbuf_discard(Gwn_VertBuf* verts)
{
if (verts->vbo_id) {
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