1 /**********************************************************
2 * Copyright 2014 VMware, Inc. All rights reserved.
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 **********************************************************/
26 #ifndef SVGA_STREAMOUT_H
27 #define SVGA_STREAMOUT_H
31 struct svga_stream_output
{
32 struct pipe_stream_output_info info
;
33 unsigned pos_out_index
; // position output index
35 unsigned streammask
; // bitmask to specify which streams are enabled
36 unsigned buffer_stream
;
37 struct svga_winsys_buffer
*declBuf
;
40 struct svga_stream_output
*
41 svga_create_stream_output(struct svga_context
*svga
,
42 struct svga_shader
*shader
,
43 const struct pipe_stream_output_info
*info
);
46 svga_set_stream_output(struct svga_context
*svga
,
47 struct svga_stream_output
*streamout
);
50 svga_delete_stream_output(struct svga_context
*svga
,
51 struct svga_stream_output
*streamout
);
54 svga_rebind_stream_output_targets(struct svga_context
*svga
);
57 svga_create_stream_output_queries(struct svga_context
*svga
);
60 svga_destroy_stream_output_queries(struct svga_context
*svga
);
63 svga_begin_stream_output_queries(struct svga_context
*svga
, unsigned mask
);
66 svga_end_stream_output_queries(struct svga_context
*svga
, unsigned mask
);
69 svga_get_primcount_from_stream_output(struct svga_context
*svga
,
72 #endif /* SVGA_STREAMOUT_H */