gallium/auxiliary/indices: add start param

Add 'start' parameter to generator/translator.

Signed-off-by: Rob Clark <[email protected]>
Reviewed-by: Brian Paul <[email protected]>

1 files changed, 20 insertions, 1 deletions

diff --git a/src/gallium/auxiliary/indices/u_indices.h b/src/gallium/auxiliary/indices/u_indices.h
index be522c67252..331d0fd0042 100644
--- a/src/gallium/auxiliary/indices/u_indices.h
+++ b/src/gallium/auxiliary/indices/u_indices.h
@@ -31,11 +31,30 @@
 #define PV_LAST       1
 #define PV_COUNT      2
 
+/**
+ * Index translator function (for glDrawElements() case)
+ *
+ * \param in     the input index buffer
+ * \param start  the index of the first vertex (pipe_draw_info::start)
+ * \param nr     the number of vertices (pipe_draw_info::count)
+ * \param out    output buffer big enough or nr vertices (of
+ *    @out_index_size bytes each)
+ */
 typedef void (*u_translate_func)( const void *in,
+                                  unsigned start,
                                   unsigned nr,
                                   void *out );
 
-typedef void (*u_generate_func)( unsigned nr,
+/**
+ * Index generator function (for glDrawArrays() case)
+ *
+ * \param start  the index of the first vertex (pipe_draw_info::start)
+ * \param nr     the number of vertices (pipe_draw_info::count)
+ * \param out    output buffer big enough or nr vertices (of
+ *    @out_index_size bytes each)
+ */
+typedef void (*u_generate_func)( unsigned start,
+                                 unsigned nr,
                                  void *out );