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 <util/u_upload_mgr.h>
33 #include "state_tracker/drm_driver.h"
35 #include "radeon_drm.h"
37 #include "r600_pipe.h"
39 extern struct u_resource_vtbl r600_buffer_vtbl
;
42 struct pipe_resource
*r600_buffer_create(struct pipe_screen
*screen
,
43 const struct pipe_resource
*templ
)
45 struct r600_resource_buffer
*rbuffer
;
47 /* XXX We probably want a different alignment for buffers and textures. */
48 unsigned alignment
= 4096;
50 rbuffer
= CALLOC_STRUCT(r600_resource_buffer
);
54 rbuffer
->magic
= R600_BUFFER_MAGIC
;
55 rbuffer
->user_buffer
= NULL
;
56 rbuffer
->num_ranges
= 0;
57 rbuffer
->r
.base
.b
= *templ
;
58 pipe_reference_init(&rbuffer
->r
.base
.b
.reference
, 1);
59 rbuffer
->r
.base
.b
.screen
= screen
;
60 rbuffer
->r
.base
.vtbl
= &r600_buffer_vtbl
;
61 rbuffer
->r
.size
= rbuffer
->r
.base
.b
.width0
;
62 bo
= r600_bo((struct radeon
*)screen
->winsys
, rbuffer
->r
.base
.b
.width0
, alignment
, rbuffer
->r
.base
.b
.bind
, rbuffer
->r
.base
.b
.usage
);
68 return &rbuffer
->r
.base
.b
;
71 struct pipe_resource
*r600_user_buffer_create(struct pipe_screen
*screen
,
72 void *ptr
, unsigned bytes
,
75 struct r600_resource_buffer
*rbuffer
;
77 rbuffer
= CALLOC_STRUCT(r600_resource_buffer
);
81 rbuffer
->magic
= R600_BUFFER_MAGIC
;
82 pipe_reference_init(&rbuffer
->r
.base
.b
.reference
, 1);
83 rbuffer
->r
.base
.vtbl
= &r600_buffer_vtbl
;
84 rbuffer
->r
.base
.b
.screen
= screen
;
85 rbuffer
->r
.base
.b
.target
= PIPE_BUFFER
;
86 rbuffer
->r
.base
.b
.format
= PIPE_FORMAT_R8_UNORM
;
87 rbuffer
->r
.base
.b
.usage
= PIPE_USAGE_IMMUTABLE
;
88 rbuffer
->r
.base
.b
.bind
= bind
;
89 rbuffer
->r
.base
.b
.width0
= bytes
;
90 rbuffer
->r
.base
.b
.height0
= 1;
91 rbuffer
->r
.base
.b
.depth0
= 1;
92 rbuffer
->r
.base
.b
.flags
= 0;
93 rbuffer
->num_ranges
= 0;
95 rbuffer
->user_buffer
= ptr
;
96 return &rbuffer
->r
.base
.b
;
99 static void r600_buffer_destroy(struct pipe_screen
*screen
,
100 struct pipe_resource
*buf
)
102 struct r600_resource_buffer
*rbuffer
= r600_buffer(buf
);
105 r600_bo_reference((struct radeon
*)screen
->winsys
, &rbuffer
->r
.bo
, NULL
);
110 static void *r600_buffer_transfer_map(struct pipe_context
*pipe
,
111 struct pipe_transfer
*transfer
)
113 struct r600_resource_buffer
*rbuffer
= r600_buffer(transfer
->resource
);
117 boolean flush
= FALSE
;
119 if (rbuffer
->user_buffer
)
120 return (uint8_t*)rbuffer
->user_buffer
+ transfer
->box
.x
;
122 if (transfer
->usage
& PIPE_TRANSFER_DISCARD
) {
123 for (i
= 0; i
< rbuffer
->num_ranges
; i
++) {
124 if ((transfer
->box
.x
>= rbuffer
->ranges
[i
].start
) &&
125 (transfer
->box
.x
< rbuffer
->ranges
[i
].end
))
129 r600_bo_reference((struct radeon
*)pipe
->winsys
, &rbuffer
->r
.bo
, NULL
);
130 rbuffer
->num_ranges
= 0;
131 rbuffer
->r
.bo
= r600_bo((struct radeon
*)pipe
->winsys
,
132 rbuffer
->r
.base
.b
.width0
, 0,
133 rbuffer
->r
.base
.b
.bind
,
134 rbuffer
->r
.base
.b
.usage
);
139 if (transfer
->usage
& PIPE_TRANSFER_DONTBLOCK
) {
142 if (transfer
->usage
& PIPE_TRANSFER_WRITE
) {
145 data
= r600_bo_map((struct radeon
*)pipe
->winsys
, rbuffer
->r
.bo
, transfer
->usage
, pipe
);
149 return (uint8_t*)data
+ transfer
->box
.x
;
152 static void r600_buffer_transfer_unmap(struct pipe_context
*pipe
,
153 struct pipe_transfer
*transfer
)
155 struct r600_resource_buffer
*rbuffer
= r600_buffer(transfer
->resource
);
158 r600_bo_unmap((struct radeon
*)pipe
->winsys
, rbuffer
->r
.bo
);
161 static void r600_buffer_transfer_flush_region(struct pipe_context
*pipe
,
162 struct pipe_transfer
*transfer
,
163 const struct pipe_box
*box
)
165 struct r600_resource_buffer
*rbuffer
= r600_buffer(transfer
->resource
);
167 unsigned offset
= transfer
->box
.x
+ box
->x
;
168 unsigned length
= box
->width
;
170 assert(box
->x
+ box
->width
<= transfer
->box
.width
);
172 if (rbuffer
->user_buffer
)
175 /* mark the range as used */
176 for(i
= 0; i
< rbuffer
->num_ranges
; ++i
) {
177 if(offset
<= rbuffer
->ranges
[i
].end
&& rbuffer
->ranges
[i
].start
<= (offset
+box
->width
)) {
178 rbuffer
->ranges
[i
].start
= MIN2(rbuffer
->ranges
[i
].start
, offset
);
179 rbuffer
->ranges
[i
].end
= MAX2(rbuffer
->ranges
[i
].end
, (offset
+length
));
184 rbuffer
->ranges
[rbuffer
->num_ranges
].start
= offset
;
185 rbuffer
->ranges
[rbuffer
->num_ranges
].end
= offset
+length
;
186 rbuffer
->num_ranges
++;
189 unsigned r600_buffer_is_referenced_by_cs(struct pipe_context
*context
,
190 struct pipe_resource
*buf
,
191 unsigned face
, unsigned level
)
194 return PIPE_REFERENCED_FOR_READ
| PIPE_REFERENCED_FOR_WRITE
;
197 struct pipe_resource
*r600_buffer_from_handle(struct pipe_screen
*screen
,
198 struct winsys_handle
*whandle
)
200 struct radeon
*rw
= (struct radeon
*)screen
->winsys
;
201 struct r600_resource
*rbuffer
;
202 struct r600_bo
*bo
= NULL
;
204 bo
= r600_bo_handle(rw
, whandle
->handle
, NULL
);
209 rbuffer
= CALLOC_STRUCT(r600_resource
);
210 if (rbuffer
== NULL
) {
211 r600_bo_reference(rw
, &bo
, NULL
);
215 pipe_reference_init(&rbuffer
->base
.b
.reference
, 1);
216 rbuffer
->base
.b
.target
= PIPE_BUFFER
;
217 rbuffer
->base
.b
.screen
= screen
;
218 rbuffer
->base
.vtbl
= &r600_buffer_vtbl
;
220 return &rbuffer
->base
.b
;
223 struct u_resource_vtbl r600_buffer_vtbl
=
225 u_default_resource_get_handle
, /* get_handle */
226 r600_buffer_destroy
, /* resource_destroy */
227 r600_buffer_is_referenced_by_cs
, /* is_buffer_referenced */
228 u_default_get_transfer
, /* get_transfer */
229 u_default_transfer_destroy
, /* transfer_destroy */
230 r600_buffer_transfer_map
, /* transfer_map */
231 r600_buffer_transfer_flush_region
, /* transfer_flush_region */
232 r600_buffer_transfer_unmap
, /* transfer_unmap */
233 u_default_transfer_inline_write
/* transfer_inline_write */
236 int r600_upload_index_buffer(struct r600_pipe_context
*rctx
, struct r600_drawl
*draw
)
238 struct pipe_resource
*upload_buffer
= NULL
;
239 unsigned index_offset
= draw
->index_buffer_offset
;
242 if (r600_buffer_is_user_buffer(draw
->index_buffer
)) {
243 ret
= u_upload_buffer(rctx
->upload_ib
,
245 draw
->count
* draw
->index_size
,
252 draw
->index_buffer_offset
= index_offset
;
254 /* Transfer ownership. */
255 pipe_resource_reference(&draw
->index_buffer
, upload_buffer
);
256 pipe_resource_reference(&upload_buffer
, NULL
);
263 int r600_upload_user_buffers(struct r600_pipe_context
*rctx
)
265 enum pipe_error ret
= PIPE_OK
;
268 nr
= rctx
->vertex_elements
->count
;
270 for (i
= 0; i
< nr
; i
++) {
271 struct pipe_vertex_buffer
*vb
=
272 &rctx
->vertex_buffer
[rctx
->vertex_elements
->elements
[i
].vertex_buffer_index
];
274 if (r600_buffer_is_user_buffer(vb
->buffer
)) {
275 struct pipe_resource
*upload_buffer
= NULL
;
276 unsigned offset
= 0; /*vb->buffer_offset * 4;*/
277 unsigned size
= vb
->buffer
->width0
;
278 unsigned upload_offset
;
279 ret
= u_upload_buffer(rctx
->upload_vb
,
282 &upload_offset
, &upload_buffer
);
286 pipe_resource_reference(&vb
->buffer
, NULL
);
287 vb
->buffer
= upload_buffer
;
288 vb
->buffer_offset
= upload_offset
;