2 * Copyright 2010 Red Hat Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
23 * Authors: Dave Airlie
26 #ifndef R300_SCREEN_BUFFER_H
27 #define R300_SCREEN_BUFFER_H
30 #include "pipe/p_compiler.h"
31 #include "pipe/p_state.h"
32 #include "util/u_transfer.h"
34 #include "r300_screen.h"
35 #include "r300_winsys.h"
36 #include "r300_context.h"
38 #define R300_BUFFER_MAGIC 0xabcd1234
39 #define R300_BUFFER_MAX_RANGES 32
41 struct r300_buffer_range
{
53 struct r300_winsys_buffer
*buf
;
55 enum r300_buffer_domain domain
;
58 void *constant_buffer
;
59 struct r300_buffer_range ranges
[R300_BUFFER_MAX_RANGES
];
65 int r300_upload_user_buffers(struct r300_context
*r300
);
67 int r300_upload_index_buffer(struct r300_context
*r300
,
68 struct pipe_resource
**index_buffer
,
71 unsigned count
, unsigned *out_offset
);
73 struct pipe_resource
*r300_buffer_create(struct pipe_screen
*screen
,
74 const struct pipe_resource
*templ
);
76 struct pipe_resource
*r300_user_buffer_create(struct pipe_screen
*screen
,
81 unsigned r300_buffer_is_referenced(struct pipe_context
*context
,
82 struct pipe_resource
*buf
,
83 enum r300_reference_domain domain
);
85 /* Inline functions. */
87 static INLINE
struct r300_buffer
*r300_buffer(struct pipe_resource
*buffer
)
90 assert(((struct r300_buffer
*)buffer
)->magic
== R300_BUFFER_MAGIC
);
91 return (struct r300_buffer
*)buffer
;
96 static INLINE boolean
r300_buffer_is_user_buffer(struct pipe_resource
*buffer
)
98 return r300_buffer(buffer
)->user_buffer
? true : false;