1 /**************************************************************************
3 * Copyright 2010 Christian König
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
27 #ifndef vl_vertex_buffers_h
28 #define vl_vertex_buffers_h
31 #include <pipe/p_state.h>
34 struct vl_vertex_buffer
37 unsigned num_elements
;
41 struct pipe_vertex_buffer
vl_vb_upload_quads(struct pipe_context
*pipe
, unsigned max_blocks
);
43 struct pipe_vertex_element
vl_vb_get_quad_vertex_element();
45 struct pipe_vertex_buffer
vl_vb_create_buffer(struct pipe_context
*pipe
, unsigned max_blocks
, unsigned stride
);
47 unsigned vl_vb_element_helper(struct pipe_vertex_element
* elements
, unsigned num_elements
,
48 unsigned vertex_buffer_index
);
50 bool vl_vb_init(struct vl_vertex_buffer
*buffer
, unsigned max_blocks
, unsigned num_elements
);
53 vl_vb_add_block(struct vl_vertex_buffer
*buffer
, float *elements
)
60 for(i
= 0; i
< 4; ++i
) {
61 pos
= buffer
->buffer
+ buffer
->num_verts
* buffer
->num_elements
;
62 memcpy(pos
, elements
, sizeof(float) * buffer
->num_elements
);
67 unsigned vl_vb_upload(struct vl_vertex_buffer
*buffer
, void *dst
);
69 void vl_vb_cleanup(struct vl_vertex_buffer
*buffer
);