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;
42 /* XXX: this is just a bandaid on larger problems in
43 * r300_screen_buffer.h which doesn't seem to be fully ported to
46 #define R300_BIND_OQBO (1<<21)
53 R300_VID_SQUARE_TILING_SUPPORT
56 struct r300_winsys_screen {
57 void (*destroy)(struct r300_winsys_screen *ws);
60 * Buffer management. Buffer attributes are mostly fixed over its lifetime.
62 * Remember that gallium gets to choose the interface it needs, and the
63 * window systems must then implement that interface (rather than the
64 * other way around...).
66 * usage is a bitmask of R300_WINSYS_BUFFER_USAGE_PIXEL/VERTEX/INDEX/CONSTANT. This
67 * usage argument is only an optimization hint, not a guarantee, therefore
68 * proper behavior must be observed in all circumstances.
70 * alignment indicates the client's alignment requirements, eg for
73 struct r300_winsys_buffer *(*buffer_create)(struct r300_winsys_screen *ws,
79 * Map the entire data store of a buffer object into the client's address.
80 * flags is bitmask of R300_WINSYS_BUFFER_USAGE_CPU_READ/WRITE flags.
82 void *(*buffer_map)( struct r300_winsys_screen *ws,
83 struct r300_winsys_buffer *buf,
86 void (*buffer_unmap)( struct r300_winsys_screen *ws,
87 struct r300_winsys_buffer *buf );
89 void (*buffer_destroy)( struct r300_winsys_buffer *buf );
92 void (*buffer_reference)(struct r300_winsys_screen *rws,
93 struct r300_winsys_buffer **pdst,
94 struct r300_winsys_buffer *src);
96 boolean (*buffer_references)(struct r300_winsys_buffer *a,
97 struct r300_winsys_buffer *b);
99 void (*buffer_flush_range)(struct r300_winsys_screen *rws,
100 struct r300_winsys_buffer *buf,
104 /* Add a pipe_resource to the list of buffer objects to validate. */
105 boolean (*add_buffer)(struct r300_winsys_screen *winsys,
106 struct r300_winsys_buffer *buf,
111 /* Revalidate all currently setup pipe_buffers.
112 * Returns TRUE if a flush is required. */
113 boolean (*validate)(struct r300_winsys_screen* winsys);
115 /* Check to see if there's room for commands. */
116 boolean (*check_cs)(struct r300_winsys_screen* winsys, int size);
118 /* Start a command emit. */
119 void (*begin_cs)(struct r300_winsys_screen* winsys,
122 const char* function,
125 /* Write a dword to the command buffer. */
126 void (*write_cs_dword)(struct r300_winsys_screen* winsys, uint32_t dword);
128 /* Write a relocated dword to the command buffer. */
129 void (*write_cs_reloc)(struct r300_winsys_screen *winsys,
130 struct r300_winsys_buffer *buf,
135 /* Finish a command emit. */
136 void (*end_cs)(struct r300_winsys_screen* winsys,
138 const char* function,
142 void (*flush_cs)(struct r300_winsys_screen* winsys);
144 /* winsys flush - callback from winsys when flush required */
145 void (*set_flush_cb)(struct r300_winsys_screen *winsys,
146 void (*flush_cb)(void *), void *data);
148 void (*reset_bos)(struct r300_winsys_screen *winsys);
150 void (*buffer_get_tiling)(struct r300_winsys_screen *winsys,
151 struct r300_winsys_buffer *buffer,
152 enum r300_buffer_tiling *microtiled,
153 enum r300_buffer_tiling *macrotiled);
155 void (*buffer_set_tiling)(struct r300_winsys_screen *winsys,
156 struct r300_winsys_buffer *buffer,
158 enum r300_buffer_tiling microtiled,
159 enum r300_buffer_tiling macrotiled);
161 uint32_t (*get_value)(struct r300_winsys_screen *winsys,
162 enum r300_value_id vid);
164 struct r300_winsys_buffer *(*buffer_from_handle)(struct r300_winsys_screen *winsys,
165 struct pipe_screen *screen,
166 struct winsys_handle *whandle,
168 boolean (*buffer_get_handle)(struct r300_winsys_screen *winsys,
169 struct r300_winsys_buffer *buffer,
171 struct winsys_handle *whandle);
173 boolean (*is_buffer_referenced)(struct r300_winsys_screen *winsys,
174 struct r300_winsys_buffer *buffer);
179 struct r300_winsys_screen *
180 r300_winsys_screen(struct pipe_screen *screen);
182 #endif /* R300_WINSYS_H */