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_screen
;
37 /* Creates a new r300 screen. */
38 struct pipe_screen
* r300_create_screen(struct r300_winsys_screen
*rws
);
40 struct r300_winsys_buffer
;
43 boolean
r300_get_texture_buffer(struct pipe_screen
* screen
,
44 struct pipe_texture
* texture
,
45 struct r300_winsys_buffer
** buffer
,
52 R300_VID_SQUARE_TILING_SUPPORT
55 struct r300_winsys_screen
{
56 void (*destroy
)(struct r300_winsys_screen
*ws
);
59 * Buffer management. Buffer attributes are mostly fixed over its lifetime.
61 * Remember that gallium gets to choose the interface it needs, and the
62 * window systems must then implement that interface (rather than the
63 * other way around...).
65 * usage is a bitmask of R300_WINSYS_BUFFER_USAGE_PIXEL/VERTEX/INDEX/CONSTANT. This
66 * usage argument is only an optimization hint, not a guarantee, therefore
67 * proper behavior must be observed in all circumstances.
69 * alignment indicates the client's alignment requirements, eg for
72 struct r300_winsys_buffer
*(*buffer_create
)(struct r300_winsys_screen
*ws
,
78 * Map the entire data store of a buffer object into the client's address.
79 * flags is bitmask of R300_WINSYS_BUFFER_USAGE_CPU_READ/WRITE flags.
81 void *(*buffer_map
)( struct r300_winsys_screen
*ws
,
82 struct r300_winsys_buffer
*buf
,
85 void (*buffer_unmap
)( struct r300_winsys_screen
*ws
,
86 struct r300_winsys_buffer
*buf
);
88 void (*buffer_destroy
)( struct r300_winsys_buffer
*buf
);
91 void (*buffer_reference
)(struct r300_winsys_screen
*rws
,
92 struct r300_winsys_buffer
**pdst
,
93 struct r300_winsys_buffer
*src
);
95 boolean (*buffer_references
)(struct r300_winsys_buffer
*a
,
96 struct r300_winsys_buffer
*b
);
98 void (*buffer_flush_range
)(struct r300_winsys_screen
*rws
,
99 struct r300_winsys_buffer
*buf
,
103 /* Add a pipe_buffer to the list of buffer objects to validate. */
104 boolean (*add_buffer
)(struct r300_winsys_screen
*winsys
,
105 struct r300_winsys_buffer
*buf
,
110 /* Revalidate all currently setup pipe_buffers.
111 * Returns TRUE if a flush is required. */
112 boolean (*validate
)(struct r300_winsys_screen
* winsys
);
114 /* Check to see if there's room for commands. */
115 boolean (*check_cs
)(struct r300_winsys_screen
* winsys
, int size
);
117 /* Start a command emit. */
118 void (*begin_cs
)(struct r300_winsys_screen
* winsys
,
121 const char* function
,
124 /* Write a dword to the command buffer. */
125 void (*write_cs_dword
)(struct r300_winsys_screen
* winsys
, uint32_t dword
);
127 /* Write a relocated dword to the command buffer. */
128 void (*write_cs_reloc
)(struct r300_winsys_screen
*winsys
,
129 struct r300_winsys_buffer
*buf
,
134 /* Finish a command emit. */
135 void (*end_cs
)(struct r300_winsys_screen
* winsys
,
137 const char* function
,
141 void (*flush_cs
)(struct r300_winsys_screen
* winsys
);
143 /* winsys flush - callback from winsys when flush required */
144 void (*set_flush_cb
)(struct r300_winsys_screen
*winsys
,
145 void (*flush_cb
)(void *), void *data
);
147 void (*reset_bos
)(struct r300_winsys_screen
*winsys
);
149 void (*buffer_get_tiling
)(struct r300_winsys_screen
*winsys
,
150 struct r300_winsys_buffer
*buffer
,
151 enum r300_buffer_tiling
*microtiled
,
152 enum r300_buffer_tiling
*macrotiled
);
154 void (*buffer_set_tiling
)(struct r300_winsys_screen
*winsys
,
155 struct r300_winsys_buffer
*buffer
,
157 enum r300_buffer_tiling microtiled
,
158 enum r300_buffer_tiling macrotiled
);
160 uint32_t (*get_value
)(struct r300_winsys_screen
*winsys
,
161 enum r300_value_id vid
);
163 struct r300_winsys_buffer
*(*buffer_from_handle
)(struct r300_winsys_screen
*winsys
,
164 struct pipe_screen
*screen
,
165 struct winsys_handle
*whandle
,
167 boolean (*buffer_get_handle
)(struct r300_winsys_screen
*winsys
,
168 struct r300_winsys_buffer
*buffer
,
170 struct winsys_handle
*whandle
);
172 boolean (*is_buffer_referenced
)(struct r300_winsys_screen
*winsys
,
173 struct r300_winsys_buffer
*buffer
);
178 struct r300_winsys_screen
*
179 r300_winsys_screen(struct pipe_screen
*screen
);
181 #endif /* R300_WINSYS_H */