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u_vbuf_mgr: add comments

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This commit is contained in:
Marek Olšák 2011-11-20 03:24:00 +01:00
parent df49b0ce90
commit b5b7cc19d8
1 changed files with 15 additions and 5 deletions
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20
src/gallium/auxiliary/util/u_vbuf_mgr.c
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@ -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];