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
.array_size
= 1;
93 rbuffer
->r
.base
.b
.flags
= 0;
94 rbuffer
->num_ranges
= 0;
96 rbuffer
->user_buffer
= ptr
;
97 return &rbuffer
->r
.base
.b
;
100 static void r600_buffer_destroy(struct pipe_screen
*screen
,
101 struct pipe_resource
*buf
)
103 struct r600_resource_buffer
*rbuffer
= r600_buffer(buf
);
106 r600_bo_reference((struct radeon
*)screen
->winsys
, &rbuffer
->r
.bo
, NULL
);
111 static void *r600_buffer_transfer_map(struct pipe_context
*pipe
,
112 struct pipe_transfer
*transfer
)
114 struct r600_resource_buffer
*rbuffer
= r600_buffer(transfer
->resource
);
118 boolean flush
= FALSE
;
120 if (rbuffer
->user_buffer
)
121 return (uint8_t*)rbuffer
->user_buffer
+ transfer
->box
.x
;
123 if (transfer
->usage
& PIPE_TRANSFER_DISCARD
) {
124 for (i
= 0; i
< rbuffer
->num_ranges
; i
++) {
125 if ((transfer
->box
.x
>= rbuffer
->ranges
[i
].start
) &&
126 (transfer
->box
.x
< rbuffer
->ranges
[i
].end
))
130 r600_bo_reference((struct radeon
*)pipe
->winsys
, &rbuffer
->r
.bo
, NULL
);
131 rbuffer
->num_ranges
= 0;
132 rbuffer
->r
.bo
= r600_bo((struct radeon
*)pipe
->winsys
,
133 rbuffer
->r
.base
.b
.width0
, 0,
134 rbuffer
->r
.base
.b
.bind
,
135 rbuffer
->r
.base
.b
.usage
);
140 if (transfer
->usage
& PIPE_TRANSFER_DONTBLOCK
) {
143 if (transfer
->usage
& PIPE_TRANSFER_WRITE
) {
146 data
= r600_bo_map((struct radeon
*)pipe
->winsys
, rbuffer
->r
.bo
, transfer
->usage
, pipe
);
150 return (uint8_t*)data
+ transfer
->box
.x
;
153 static void r600_buffer_transfer_unmap(struct pipe_context
*pipe
,
154 struct pipe_transfer
*transfer
)
156 struct r600_resource_buffer
*rbuffer
= r600_buffer(transfer
->resource
);
159 r600_bo_unmap((struct radeon
*)pipe
->winsys
, rbuffer
->r
.bo
);
162 static void r600_buffer_transfer_flush_region(struct pipe_context
*pipe
,
163 struct pipe_transfer
*transfer
,
164 const struct pipe_box
*box
)
166 struct r600_resource_buffer
*rbuffer
= r600_buffer(transfer
->resource
);
168 unsigned offset
= transfer
->box
.x
+ box
->x
;
169 unsigned length
= box
->width
;
171 assert(box
->x
+ box
->width
<= transfer
->box
.width
);
173 if (rbuffer
->user_buffer
)
176 /* mark the range as used */
177 for(i
= 0; i
< rbuffer
->num_ranges
; ++i
) {
178 if(offset
<= rbuffer
->ranges
[i
].end
&& rbuffer
->ranges
[i
].start
<= (offset
+box
->width
)) {
179 rbuffer
->ranges
[i
].start
= MIN2(rbuffer
->ranges
[i
].start
, offset
);
180 rbuffer
->ranges
[i
].end
= MAX2(rbuffer
->ranges
[i
].end
, (offset
+length
));
185 rbuffer
->ranges
[rbuffer
->num_ranges
].start
= offset
;
186 rbuffer
->ranges
[rbuffer
->num_ranges
].end
= offset
+length
;
187 rbuffer
->num_ranges
++;
190 unsigned r600_buffer_is_referenced_by_cs(struct pipe_context
*context
,
191 struct pipe_resource
*buf
,
192 unsigned level
, int layer
)
195 return PIPE_REFERENCED_FOR_READ
| PIPE_REFERENCED_FOR_WRITE
;
198 struct pipe_resource
*r600_buffer_from_handle(struct pipe_screen
*screen
,
199 struct winsys_handle
*whandle
)
201 struct radeon
*rw
= (struct radeon
*)screen
->winsys
;
202 struct r600_resource
*rbuffer
;
203 struct r600_bo
*bo
= NULL
;
205 bo
= r600_bo_handle(rw
, whandle
->handle
, NULL
);
210 rbuffer
= CALLOC_STRUCT(r600_resource
);
211 if (rbuffer
== NULL
) {
212 r600_bo_reference(rw
, &bo
, NULL
);
216 pipe_reference_init(&rbuffer
->base
.b
.reference
, 1);
217 rbuffer
->base
.b
.target
= PIPE_BUFFER
;
218 rbuffer
->base
.b
.screen
= screen
;
219 rbuffer
->base
.vtbl
= &r600_buffer_vtbl
;
221 return &rbuffer
->base
.b
;
224 struct u_resource_vtbl r600_buffer_vtbl
=
226 u_default_resource_get_handle
, /* get_handle */
227 r600_buffer_destroy
, /* resource_destroy */
228 r600_buffer_is_referenced_by_cs
, /* is_buffer_referenced */
229 u_default_get_transfer
, /* get_transfer */
230 u_default_transfer_destroy
, /* transfer_destroy */
231 r600_buffer_transfer_map
, /* transfer_map */
232 r600_buffer_transfer_flush_region
, /* transfer_flush_region */
233 r600_buffer_transfer_unmap
, /* transfer_unmap */
234 u_default_transfer_inline_write
/* transfer_inline_write */
237 int r600_upload_index_buffer(struct r600_pipe_context
*rctx
, struct r600_drawl
*draw
)
239 struct pipe_resource
*upload_buffer
= NULL
;
240 unsigned index_offset
= draw
->index_buffer_offset
;
243 if (r600_buffer_is_user_buffer(draw
->index_buffer
)) {
244 ret
= u_upload_buffer(rctx
->upload_ib
,
246 draw
->count
* draw
->index_size
,
253 draw
->index_buffer_offset
= index_offset
;
255 /* Transfer ownership. */
256 pipe_resource_reference(&draw
->index_buffer
, upload_buffer
);
257 pipe_resource_reference(&upload_buffer
, NULL
);
264 int r600_upload_user_buffers(struct r600_pipe_context
*rctx
)
266 enum pipe_error ret
= PIPE_OK
;
269 nr
= rctx
->vertex_elements
->count
;
271 for (i
= 0; i
< nr
; i
++) {
272 struct pipe_vertex_buffer
*vb
=
273 &rctx
->vertex_buffer
[rctx
->vertex_elements
->elements
[i
].vertex_buffer_index
];
275 if (r600_buffer_is_user_buffer(vb
->buffer
)) {
276 struct pipe_resource
*upload_buffer
= NULL
;
277 unsigned offset
= 0; /*vb->buffer_offset * 4;*/
278 unsigned size
= vb
->buffer
->width0
;
279 unsigned upload_offset
;
280 ret
= u_upload_buffer(rctx
->upload_vb
,
283 &upload_offset
, &upload_buffer
);
287 pipe_resource_reference(&vb
->buffer
, NULL
);
288 vb
->buffer
= upload_buffer
;
289 vb
->buffer_offset
= upload_offset
;