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"
34 #include "state_tracker/drm_driver.h"
37 #include "radeon_drm.h"
40 #include "r600_pipe.h"
42 static void r600_buffer_destroy(struct pipe_screen
*screen
,
43 struct pipe_resource
*buf
)
45 struct r600_screen
*rscreen
= (struct r600_screen
*)screen
;
46 struct r600_resource_buffer
*rbuffer
= r600_buffer(buf
);
49 r600_bo_reference((struct radeon
*)screen
->winsys
, &rbuffer
->r
.bo
, NULL
);
52 util_slab_free(&rscreen
->pool_buffers
, rbuffer
);
55 static unsigned r600_buffer_is_referenced_by_cs(struct pipe_context
*context
,
56 struct pipe_resource
*buf
,
57 unsigned level
, int layer
)
60 return PIPE_REFERENCED_FOR_READ
| PIPE_REFERENCED_FOR_WRITE
;
63 static struct pipe_transfer
*r600_get_transfer(struct pipe_context
*ctx
,
64 struct pipe_resource
*resource
,
67 const struct pipe_box
*box
)
69 struct r600_pipe_context
*rctx
= (struct r600_pipe_context
*)ctx
;
70 struct pipe_transfer
*transfer
= util_slab_alloc(&rctx
->pool_transfers
);
72 transfer
->resource
= resource
;
73 transfer
->level
= level
;
74 transfer
->usage
= usage
;
77 transfer
->layer_stride
= 0;
78 transfer
->data
= NULL
;
80 /* Note strides are zero, this is ok for buffers, but not for
81 * textures 2d & higher at least.
86 static void *r600_buffer_transfer_map(struct pipe_context
*pipe
,
87 struct pipe_transfer
*transfer
)
89 struct r600_resource_buffer
*rbuffer
= r600_buffer(transfer
->resource
);
93 if (rbuffer
->r
.b
.user_ptr
)
94 return (uint8_t*)rbuffer
->r
.b
.user_ptr
+ transfer
->box
.x
;
96 if (transfer
->usage
& PIPE_TRANSFER_DONTBLOCK
) {
99 if (transfer
->usage
& PIPE_TRANSFER_WRITE
) {
102 data
= r600_bo_map((struct radeon
*)pipe
->winsys
, rbuffer
->r
.bo
, transfer
->usage
, pipe
);
106 return (uint8_t*)data
+ transfer
->box
.x
;
109 static void r600_buffer_transfer_unmap(struct pipe_context
*pipe
,
110 struct pipe_transfer
*transfer
)
112 struct r600_resource_buffer
*rbuffer
= r600_buffer(transfer
->resource
);
114 if (rbuffer
->r
.b
.user_ptr
)
118 r600_bo_unmap((struct radeon
*)pipe
->winsys
, rbuffer
->r
.bo
);
121 static void r600_buffer_transfer_flush_region(struct pipe_context
*pipe
,
122 struct pipe_transfer
*transfer
,
123 const struct pipe_box
*box
)
127 static void r600_transfer_destroy(struct pipe_context
*ctx
,
128 struct pipe_transfer
*transfer
)
130 struct r600_pipe_context
*rctx
= (struct r600_pipe_context
*)ctx
;
131 util_slab_free(&rctx
->pool_transfers
, transfer
);
134 static void r600_buffer_transfer_inline_write(struct pipe_context
*pipe
,
135 struct pipe_resource
*resource
,
138 const struct pipe_box
*box
,
141 unsigned layer_stride
)
143 struct radeon
*ws
= (struct radeon
*)pipe
->winsys
;
144 struct r600_resource_buffer
*rbuffer
= r600_buffer(resource
);
147 assert(rbuffer
->r
.b
.user_ptr
== NULL
);
149 map
= r600_bo_map(ws
, rbuffer
->r
.bo
,
150 PIPE_TRANSFER_WRITE
| PIPE_TRANSFER_DISCARD
| usage
,
153 memcpy(map
+ box
->x
, data
, box
->width
);
156 r600_bo_unmap(ws
, rbuffer
->r
.bo
);
159 static const struct u_resource_vtbl r600_buffer_vtbl
=
161 u_default_resource_get_handle
, /* get_handle */
162 r600_buffer_destroy
, /* resource_destroy */
163 r600_buffer_is_referenced_by_cs
, /* is_buffer_referenced */
164 r600_get_transfer
, /* get_transfer */
165 r600_transfer_destroy
, /* transfer_destroy */
166 r600_buffer_transfer_map
, /* transfer_map */
167 r600_buffer_transfer_flush_region
, /* transfer_flush_region */
168 r600_buffer_transfer_unmap
, /* transfer_unmap */
169 r600_buffer_transfer_inline_write
/* transfer_inline_write */
172 struct pipe_resource
*r600_buffer_create(struct pipe_screen
*screen
,
173 const struct pipe_resource
*templ
)
175 struct r600_screen
*rscreen
= (struct r600_screen
*)screen
;
176 struct r600_resource_buffer
*rbuffer
;
178 /* XXX We probably want a different alignment for buffers and textures. */
179 unsigned alignment
= 4096;
181 rbuffer
= util_slab_alloc(&rscreen
->pool_buffers
);
183 rbuffer
->magic
= R600_BUFFER_MAGIC
;
184 rbuffer
->r
.b
.b
.b
= *templ
;
185 pipe_reference_init(&rbuffer
->r
.b
.b
.b
.reference
, 1);
186 rbuffer
->r
.b
.b
.b
.screen
= screen
;
187 rbuffer
->r
.b
.b
.vtbl
= &r600_buffer_vtbl
;
188 rbuffer
->r
.b
.user_ptr
= NULL
;
189 rbuffer
->r
.size
= rbuffer
->r
.b
.b
.b
.width0
;
190 rbuffer
->r
.bo_size
= rbuffer
->r
.size
;
192 bo
= r600_bo((struct radeon
*)screen
->winsys
,
193 rbuffer
->r
.b
.b
.b
.width0
,
194 alignment
, rbuffer
->r
.b
.b
.b
.bind
,
195 rbuffer
->r
.b
.b
.b
.usage
);
202 return &rbuffer
->r
.b
.b
.b
;
205 struct pipe_resource
*r600_user_buffer_create(struct pipe_screen
*screen
,
206 void *ptr
, unsigned bytes
,
209 struct r600_screen
*rscreen
= (struct r600_screen
*)screen
;
210 struct r600_resource_buffer
*rbuffer
;
212 rbuffer
= util_slab_alloc(&rscreen
->pool_buffers
);
214 rbuffer
->magic
= R600_BUFFER_MAGIC
;
215 pipe_reference_init(&rbuffer
->r
.b
.b
.b
.reference
, 1);
216 rbuffer
->r
.b
.b
.vtbl
= &r600_buffer_vtbl
;
217 rbuffer
->r
.b
.b
.b
.screen
= screen
;
218 rbuffer
->r
.b
.b
.b
.target
= PIPE_BUFFER
;
219 rbuffer
->r
.b
.b
.b
.format
= PIPE_FORMAT_R8_UNORM
;
220 rbuffer
->r
.b
.b
.b
.usage
= PIPE_USAGE_IMMUTABLE
;
221 rbuffer
->r
.b
.b
.b
.bind
= bind
;
222 rbuffer
->r
.b
.b
.b
.width0
= bytes
;
223 rbuffer
->r
.b
.b
.b
.height0
= 1;
224 rbuffer
->r
.b
.b
.b
.depth0
= 1;
225 rbuffer
->r
.b
.b
.b
.array_size
= 1;
226 rbuffer
->r
.b
.b
.b
.flags
= 0;
227 rbuffer
->r
.b
.user_ptr
= ptr
;
228 rbuffer
->r
.bo
= NULL
;
229 rbuffer
->r
.bo_size
= 0;
230 return &rbuffer
->r
.b
.b
.b
;
233 struct pipe_resource
*r600_buffer_from_handle(struct pipe_screen
*screen
,
234 struct winsys_handle
*whandle
)
236 struct radeon
*rw
= (struct radeon
*)screen
->winsys
;
237 struct r600_resource
*rbuffer
;
238 struct r600_bo
*bo
= NULL
;
240 bo
= r600_bo_handle(rw
, whandle
->handle
, NULL
);
245 rbuffer
= CALLOC_STRUCT(r600_resource
);
246 if (rbuffer
== NULL
) {
247 r600_bo_reference(rw
, &bo
, NULL
);
251 pipe_reference_init(&rbuffer
->b
.b
.b
.reference
, 1);
252 rbuffer
->b
.b
.b
.target
= PIPE_BUFFER
;
253 rbuffer
->b
.b
.b
.screen
= screen
;
254 rbuffer
->b
.b
.vtbl
= &r600_buffer_vtbl
;
256 return &rbuffer
->b
.b
.b
;
259 void r600_upload_index_buffer(struct r600_pipe_context
*rctx
, struct r600_drawl
*draw
)
261 struct r600_resource_buffer
*rbuffer
= r600_buffer(draw
->index_buffer
);
264 u_upload_data(rctx
->vbuf_mgr
->uploader
, 0,
265 draw
->info
.count
* draw
->index_size
,
266 rbuffer
->r
.b
.user_ptr
,
267 &draw
->index_buffer_offset
,
268 &draw
->index_buffer
, &flushed
);
271 void r600_upload_const_buffer(struct r600_pipe_context
*rctx
, struct r600_resource_buffer
**rbuffer
,
272 uint32_t *const_offset
)
274 if ((*rbuffer
)->r
.b
.user_ptr
) {
275 uint8_t *ptr
= (*rbuffer
)->r
.b
.user_ptr
;
276 unsigned size
= (*rbuffer
)->r
.b
.b
.b
.width0
;
281 u_upload_data(rctx
->vbuf_mgr
->uploader
, 0, size
, ptr
, const_offset
,
282 (struct pipe_resource
**)rbuffer
, &flushed
);