On Sun, May 20, 2018 at 2:21 PM, Mathias Fröhlich <mathias.froehl...@gmx.net > wrote:
> Hi Marek, > > On Sunday, 20 May 2018 20:08:08 CEST Marek Olšák wrote: > > The old code saves which vertex element is the first to use a VBO slot. > > When VBOs are added to the buffer list, each VBO is added only for such > > vertex elements, and not added for others. So the old and new code do > > exactly the same thing but differently. > > But its doing that with less calls to radeon_add_to_buffer_list/amdg > pu_cs_add_buffer. > It avoids duplicate calls for pipe_vertex_elements refering to the same > pipe_vertex_buffer. > And the old code does exactly the same thing - it avoids duplicate calls for the same pipe_vertex_buffer, because vertex elements reusing vertex buffer slots don't have their bit set in first_vb_use_mask, so add_to_buffer_list is never called for those vertex elements. Marek
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