2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
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. */
26 /* The public interface header for the r300 pipe driver.
27 * Any winsys hosting this pipe needs to implement r300_winsys and then
28 * call r300_create_screen to start things. */
30 #include "pipe/p_defines.h"
31 #include "pipe/p_state.h"
33 #include "r300_defines.h"
35 struct r300_winsys_buffer
;
41 R300_VID_SQUARE_TILING_SUPPORT
,
45 enum r300_reference_domain
{ /* bitfield */
50 struct r300_winsys_screen
{
51 void (*destroy
)(struct r300_winsys_screen
*ws
);
54 * Buffer management. Buffer attributes are mostly fixed over its lifetime.
56 * Remember that gallium gets to choose the interface it needs, and the
57 * window systems must then implement that interface (rather than the
58 * other way around...).
60 * usage is a bitmask of R300_WINSYS_BUFFER_USAGE_PIXEL/VERTEX/INDEX/CONSTANT. This
61 * usage argument is only an optimization hint, not a guarantee, therefore
62 * proper behavior must be observed in all circumstances.
64 * alignment indicates the client's alignment requirements, eg for
67 struct r300_winsys_buffer
*(*buffer_create
)(struct r300_winsys_screen
*ws
,
70 enum r300_buffer_domain domain
,
74 * Map the entire data store of a buffer object into the client's address.
75 * flags is bitmask of R300_WINSYS_BUFFER_USAGE_CPU_READ/WRITE flags.
77 void *(*buffer_map
)( struct r300_winsys_screen
*ws
,
78 struct r300_winsys_buffer
*buf
,
81 void (*buffer_unmap
)( struct r300_winsys_screen
*ws
,
82 struct r300_winsys_buffer
*buf
);
84 void (*buffer_destroy
)( struct r300_winsys_buffer
*buf
);
87 void (*buffer_reference
)(struct r300_winsys_screen
*rws
,
88 struct r300_winsys_buffer
**pdst
,
89 struct r300_winsys_buffer
*src
);
91 void (*buffer_wait
)(struct r300_winsys_screen
*rws
,
92 struct r300_winsys_buffer
*buf
);
94 /* Add a pipe_resource to the list of buffer objects to validate. */
95 boolean (*add_buffer
)(struct r300_winsys_screen
*winsys
,
96 struct r300_winsys_buffer
*buf
,
97 enum r300_buffer_domain rd
,
98 enum r300_buffer_domain wd
);
101 /* Revalidate all currently setup pipe_buffers.
102 * Returns TRUE if a flush is required. */
103 boolean (*validate
)(struct r300_winsys_screen
* winsys
);
105 /* Return the number of free dwords in CS. */
106 unsigned (*get_cs_free_dwords
)(struct r300_winsys_screen
*winsys
);
108 /* Return the pointer to the first free dword in CS and assume a pipe
109 * driver wants to fill "count" dwords. */
110 uint32_t *(*get_cs_pointer
)(struct r300_winsys_screen
*winsys
,
113 /* Write a dword to the command buffer. */
114 void (*write_cs_dword
)(struct r300_winsys_screen
* winsys
, uint32_t dword
);
116 /* Write a table of dwords to the command buffer. */
117 void (*write_cs_table
)(struct r300_winsys_screen
* winsys
,
118 const void *dwords
, unsigned count
);
120 /* Write a relocated dword to the command buffer. */
121 void (*write_cs_reloc
)(struct r300_winsys_screen
*winsys
,
122 struct r300_winsys_buffer
*buf
,
123 enum r300_buffer_domain rd
,
124 enum r300_buffer_domain wd
,
128 void (*flush_cs
)(struct r300_winsys_screen
* winsys
);
130 /* winsys flush - callback from winsys when flush required */
131 void (*set_flush_cb
)(struct r300_winsys_screen
*winsys
,
132 void (*flush_cb
)(void *), void *data
);
134 void (*reset_bos
)(struct r300_winsys_screen
*winsys
);
136 void (*buffer_get_tiling
)(struct r300_winsys_screen
*winsys
,
137 struct r300_winsys_buffer
*buffer
,
138 enum r300_buffer_tiling
*microtiled
,
139 enum r300_buffer_tiling
*macrotiled
);
141 void (*buffer_set_tiling
)(struct r300_winsys_screen
*winsys
,
142 struct r300_winsys_buffer
*buffer
,
144 enum r300_buffer_tiling microtiled
,
145 enum r300_buffer_tiling macrotiled
);
147 uint32_t (*get_value
)(struct r300_winsys_screen
*winsys
,
148 enum r300_value_id vid
);
150 struct r300_winsys_buffer
*(*buffer_from_handle
)(struct r300_winsys_screen
*winsys
,
151 struct winsys_handle
*whandle
,
154 boolean (*buffer_get_handle
)(struct r300_winsys_screen
*winsys
,
155 struct r300_winsys_buffer
*buffer
,
156 struct winsys_handle
*whandle
,
159 boolean (*is_buffer_referenced
)(struct r300_winsys_screen
*winsys
,
160 struct r300_winsys_buffer
*buffer
,
161 enum r300_reference_domain domain
);
164 struct r300_winsys_screen
*
165 r300_winsys_screen(struct pipe_screen
*screen
);
167 #endif /* R300_WINSYS_H */