Mesa (master): u_vbuf_mgr: add comments
Marek Olšák
mareko at kemper.freedesktop.org
Sun Nov 20 15:25:48 UTC 2011
Module: Mesa
Branch: master
Commit: b5b7cc19d82c8761a6b56268aecdccbc1ed2f911
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=b5b7cc19d82c8761a6b56268aecdccbc1ed2f911
Author: Marek Olšák <maraeo at gmail.com>
Date: Sun Nov 20 03:24:00 2011 +0100
u_vbuf_mgr: add comments
---
src/gallium/auxiliary/util/u_vbuf_mgr.c | 20 +++++++++++++++-----
1 files changed, 15 insertions(+), 5 deletions(-)
diff --git a/src/gallium/auxiliary/util/u_vbuf_mgr.c b/src/gallium/auxiliary/util/u_vbuf_mgr.c
index 7926b42..5d3f137 100644
--- a/src/gallium/auxiliary/util/u_vbuf_mgr.c
+++ b/src/gallium/auxiliary/util/u_vbuf_mgr.c
@@ -57,19 +57,29 @@ struct u_vbuf_elements {
struct u_vbuf_priv {
struct u_vbuf_mgr b;
struct pipe_context *pipe;
-
struct translate_cache *translate_cache;
- unsigned translate_vb_slot;
+ /* Whether there is any user buffer. */
+ boolean any_user_vbs;
+
+ /* Vertex element state bound by the state tracker. */
+ void *saved_ve;
+ /* and its associated helper structure for this module. */
struct u_vbuf_elements *ve;
- void *saved_ve, *fallback_ve;
/* Vertex elements used for the translate fallback. */
struct pipe_vertex_element fallback_velems[PIPE_MAX_ATTRIBS];
+ /* If non-NULL, this is a vertex element state used for the translate
+ * fallback and therefore used for rendering too. */
+ void *fallback_ve;
+ /* The vertex buffer slot index where translated vertices have been
+ * stored in. */
+ unsigned translate_vb_slot;
+ /* When binding the fallback vertex element state, we don't want to
+ * change saved_ve and ve. This is set to TRUE in such cases. */
boolean ve_binding_lock;
- boolean any_user_vbs;
-
+ /* Whether there is a buffer with a non-native layout. */
boolean incompatible_vb_layout;
/* Per-buffer flags. */
boolean incompatible_vb[PIPE_MAX_ATTRIBS];
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