2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
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.
25 * Corbin Simpson <MostAwesomeDude@gmail.com>
27 #include <pipe/p_screen.h>
28 #include <util/u_format.h>
29 #include <util/u_math.h>
30 #include <util/u_inlines.h>
31 #include <util/u_memory.h>
32 #include "state_tracker/drm_driver.h"
33 #include "r600_screen.h"
34 #include "r600_context.h"
36 extern struct u_resource_vtbl r600_buffer_vtbl
;
38 static u32
r600_domain_from_usage(unsigned usage
)
40 u32 domain
= RADEON_GEM_DOMAIN_GTT
;
42 if (usage
& PIPE_BIND_RENDER_TARGET
) {
43 domain
|= RADEON_GEM_DOMAIN_VRAM
;
45 if (usage
& PIPE_BIND_DEPTH_STENCIL
) {
46 domain
|= RADEON_GEM_DOMAIN_VRAM
;
48 if (usage
& PIPE_BIND_SAMPLER_VIEW
) {
49 domain
|= RADEON_GEM_DOMAIN_VRAM
;
51 /* also need BIND_BLIT_SOURCE/DESTINATION ? */
52 if (usage
& PIPE_BIND_VERTEX_BUFFER
) {
53 domain
|= RADEON_GEM_DOMAIN_GTT
;
55 if (usage
& PIPE_BIND_INDEX_BUFFER
) {
56 domain
|= RADEON_GEM_DOMAIN_GTT
;
62 struct pipe_resource
*r600_buffer_create(struct pipe_screen
*screen
,
63 const struct pipe_resource
*templ
)
65 struct r600_screen
*rscreen
= r600_screen(screen
);
66 struct r600_buffer
*rbuffer
;
69 /* XXX We probably want a different alignment for buffers and textures. */
70 unsigned alignment
= 4096;
72 rbuffer
= CALLOC_STRUCT(r600_buffer
);
76 rbuffer
->b
.b
= *templ
;
77 pipe_reference_init(&rbuffer
->b
.b
.reference
, 1);
78 rbuffer
->b
.b
.screen
= screen
;
79 rbuffer
->b
.vtbl
= &r600_buffer_vtbl
;
81 if (rbuffer
->b
.b
.bind
& PIPE_BIND_CONSTANT_BUFFER
) {
82 desc
.alignment
= alignment
;
83 desc
.usage
= rbuffer
->b
.b
.bind
;
84 rbuffer
->pb
= pb_malloc_buffer_create(rbuffer
->b
.b
.width0
,
86 if (rbuffer
->pb
== NULL
) {
92 rbuffer
->domain
= r600_domain_from_usage(rbuffer
->b
.b
.bind
);
93 bo
= radeon_bo(rscreen
->rw
, 0, rbuffer
->b
.b
.width0
, alignment
, NULL
);
102 struct pipe_resource
*r600_user_buffer_create(struct pipe_screen
*screen
,
103 void *ptr
, unsigned bytes
,
106 struct r600_buffer
*rbuffer
;
107 struct r600_screen
*rscreen
= r600_screen(screen
);
108 struct pipe_resource templ
;
110 memset(&templ
, 0, sizeof(struct pipe_resource
));
111 templ
.target
= PIPE_BUFFER
;
112 templ
.format
= PIPE_FORMAT_R8_UNORM
;
113 templ
.usage
= PIPE_USAGE_IMMUTABLE
;
115 templ
.width0
= bytes
;
119 rbuffer
= (struct r600_buffer
*)r600_buffer_create(screen
, &templ
);
120 if (rbuffer
== NULL
) {
123 radeon_bo_map(rscreen
->rw
, rbuffer
->bo
);
124 memcpy(rbuffer
->bo
->data
, ptr
, bytes
);
125 radeon_bo_unmap(rscreen
->rw
, rbuffer
->bo
);
126 return &rbuffer
->b
.b
;
129 static void r600_buffer_destroy(struct pipe_screen
*screen
,
130 struct pipe_resource
*buf
)
132 struct r600_buffer
*rbuffer
= (struct r600_buffer
*)buf
;
133 struct r600_screen
*rscreen
= r600_screen(screen
);
136 pipe_reference_init(&rbuffer
->pb
->base
.reference
, 0);
137 pb_destroy(rbuffer
->pb
);
141 radeon_bo_decref(rscreen
->rw
, rbuffer
->bo
);
146 static void *r600_buffer_transfer_map(struct pipe_context
*pipe
,
147 struct pipe_transfer
*transfer
)
149 struct r600_buffer
*rbuffer
= (struct r600_buffer
*)transfer
->resource
;
150 struct r600_screen
*rscreen
= r600_screen(pipe
->screen
);
154 return (uint8_t*)pb_map(rbuffer
->pb
, transfer
->usage
) + transfer
->box
.x
;
156 if (transfer
->usage
& PIPE_TRANSFER_DONTBLOCK
) {
159 if (transfer
->usage
& PIPE_TRANSFER_WRITE
) {
162 if (radeon_bo_map(rscreen
->rw
, rbuffer
->bo
)) {
165 return (uint8_t*)rbuffer
->bo
->data
+ transfer
->box
.x
;
168 static void r600_buffer_transfer_unmap(struct pipe_context
*pipe
,
169 struct pipe_transfer
*transfer
)
171 struct r600_buffer
*rbuffer
= (struct r600_buffer
*)transfer
->resource
;
172 struct r600_screen
*rscreen
= r600_screen(pipe
->screen
);
175 pb_unmap(rbuffer
->pb
);
177 radeon_bo_unmap(rscreen
->rw
, rbuffer
->bo
);
181 static void r600_buffer_transfer_flush_region(struct pipe_context
*pipe
,
182 struct pipe_transfer
*transfer
,
183 const struct pipe_box
*box
)
187 unsigned r600_buffer_is_referenced_by_cs(struct pipe_context
*context
,
188 struct pipe_resource
*buf
,
189 unsigned face
, unsigned level
)
192 return PIPE_REFERENCED_FOR_READ
| PIPE_REFERENCED_FOR_WRITE
;
195 struct pipe_resource
*r600_buffer_from_handle(struct pipe_screen
*screen
,
196 struct winsys_handle
*whandle
)
198 struct radeon
*rw
= (struct radeon
*)screen
->winsys
;
199 struct r600_buffer
*rbuffer
;
200 struct radeon_bo
*bo
= NULL
;
202 bo
= radeon_bo(rw
, whandle
->handle
, 0, 0, NULL
);
207 rbuffer
= CALLOC_STRUCT(r600_buffer
);
208 if (rbuffer
== NULL
) {
209 radeon_bo_decref(rw
, bo
);
213 pipe_reference_init(&rbuffer
->b
.b
.reference
, 1);
214 rbuffer
->b
.b
.target
= PIPE_BUFFER
;
215 rbuffer
->b
.b
.screen
= screen
;
216 rbuffer
->b
.vtbl
= &r600_buffer_vtbl
;
218 return &rbuffer
->b
.b
;
221 struct u_resource_vtbl r600_buffer_vtbl
=
223 u_default_resource_get_handle
, /* get_handle */
224 r600_buffer_destroy
, /* resource_destroy */
225 r600_buffer_is_referenced_by_cs
, /* is_buffer_referenced */
226 u_default_get_transfer
, /* get_transfer */
227 u_default_transfer_destroy
, /* transfer_destroy */
228 r600_buffer_transfer_map
, /* transfer_map */
229 r600_buffer_transfer_flush_region
, /* transfer_flush_region */
230 r600_buffer_transfer_unmap
, /* transfer_unmap */
231 u_default_transfer_inline_write
/* transfer_inline_write */