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>
29 #include <pipe/p_screen.h>
30 #include <util/u_format.h>
31 #include <util/u_math.h>
32 #include <util/u_inlines.h>
33 #include <util/u_memory.h>
34 #include "util/u_upload_mgr.h"
36 #include "state_tracker/drm_driver.h"
39 #include "radeon_drm.h"
42 #include "r600_pipe.h"
44 static void r600_buffer_destroy(struct pipe_screen
*screen
,
45 struct pipe_resource
*buf
)
47 struct r600_screen
*rscreen
= (struct r600_screen
*)screen
;
48 struct r600_resource_buffer
*rbuffer
= r600_buffer(buf
);
51 r600_bo_reference((struct radeon
*)screen
->winsys
, &rbuffer
->r
.bo
, NULL
);
54 util_slab_free(&rscreen
->pool_buffers
, rbuffer
);
57 static struct pipe_transfer
*r600_get_transfer(struct pipe_context
*ctx
,
58 struct pipe_resource
*resource
,
61 const struct pipe_box
*box
)
63 struct r600_pipe_context
*rctx
= (struct r600_pipe_context
*)ctx
;
64 struct pipe_transfer
*transfer
= util_slab_alloc(&rctx
->pool_transfers
);
66 transfer
->resource
= resource
;
67 transfer
->level
= level
;
68 transfer
->usage
= usage
;
71 transfer
->layer_stride
= 0;
72 transfer
->data
= NULL
;
74 /* Note strides are zero, this is ok for buffers, but not for
75 * textures 2d & higher at least.
80 static void *r600_buffer_transfer_map(struct pipe_context
*pipe
,
81 struct pipe_transfer
*transfer
)
83 struct r600_resource_buffer
*rbuffer
= r600_buffer(transfer
->resource
);
87 if (rbuffer
->r
.b
.user_ptr
)
88 return (uint8_t*)rbuffer
->r
.b
.user_ptr
+ transfer
->box
.x
;
90 if (transfer
->usage
& PIPE_TRANSFER_WRITE
) {
93 data
= r600_bo_map((struct radeon
*)pipe
->winsys
, rbuffer
->r
.bo
, transfer
->usage
, pipe
);
97 return (uint8_t*)data
+ transfer
->box
.x
;
100 static void r600_buffer_transfer_unmap(struct pipe_context
*pipe
,
101 struct pipe_transfer
*transfer
)
103 struct r600_resource_buffer
*rbuffer
= r600_buffer(transfer
->resource
);
105 if (rbuffer
->r
.b
.user_ptr
)
109 r600_bo_unmap((struct radeon
*)pipe
->winsys
, rbuffer
->r
.bo
);
112 static void r600_buffer_transfer_flush_region(struct pipe_context
*pipe
,
113 struct pipe_transfer
*transfer
,
114 const struct pipe_box
*box
)
118 static void r600_transfer_destroy(struct pipe_context
*ctx
,
119 struct pipe_transfer
*transfer
)
121 struct r600_pipe_context
*rctx
= (struct r600_pipe_context
*)ctx
;
122 util_slab_free(&rctx
->pool_transfers
, transfer
);
125 static void r600_buffer_transfer_inline_write(struct pipe_context
*pipe
,
126 struct pipe_resource
*resource
,
129 const struct pipe_box
*box
,
132 unsigned layer_stride
)
134 struct radeon
*ws
= (struct radeon
*)pipe
->winsys
;
135 struct r600_resource_buffer
*rbuffer
= r600_buffer(resource
);
138 assert(rbuffer
->r
.b
.user_ptr
== NULL
);
140 map
= r600_bo_map(ws
, rbuffer
->r
.bo
,
141 PIPE_TRANSFER_WRITE
| PIPE_TRANSFER_DISCARD
| usage
,
144 memcpy(map
+ box
->x
, data
, box
->width
);
147 r600_bo_unmap(ws
, rbuffer
->r
.bo
);
150 static const struct u_resource_vtbl r600_buffer_vtbl
=
152 u_default_resource_get_handle
, /* get_handle */
153 r600_buffer_destroy
, /* resource_destroy */
154 r600_get_transfer
, /* get_transfer */
155 r600_transfer_destroy
, /* transfer_destroy */
156 r600_buffer_transfer_map
, /* transfer_map */
157 r600_buffer_transfer_flush_region
, /* transfer_flush_region */
158 r600_buffer_transfer_unmap
, /* transfer_unmap */
159 r600_buffer_transfer_inline_write
/* transfer_inline_write */
162 struct pipe_resource
*r600_buffer_create(struct pipe_screen
*screen
,
163 const struct pipe_resource
*templ
)
165 struct r600_screen
*rscreen
= (struct r600_screen
*)screen
;
166 struct r600_resource_buffer
*rbuffer
;
168 /* XXX We probably want a different alignment for buffers and textures. */
169 unsigned alignment
= 4096;
171 rbuffer
= util_slab_alloc(&rscreen
->pool_buffers
);
173 rbuffer
->magic
= R600_BUFFER_MAGIC
;
174 rbuffer
->r
.b
.b
.b
= *templ
;
175 pipe_reference_init(&rbuffer
->r
.b
.b
.b
.reference
, 1);
176 rbuffer
->r
.b
.b
.b
.screen
= screen
;
177 rbuffer
->r
.b
.b
.vtbl
= &r600_buffer_vtbl
;
178 rbuffer
->r
.b
.user_ptr
= NULL
;
179 rbuffer
->r
.size
= rbuffer
->r
.b
.b
.b
.width0
;
180 rbuffer
->r
.bo_size
= rbuffer
->r
.size
;
182 bo
= r600_bo((struct radeon
*)screen
->winsys
,
183 rbuffer
->r
.b
.b
.b
.width0
,
184 alignment
, rbuffer
->r
.b
.b
.b
.bind
,
185 rbuffer
->r
.b
.b
.b
.usage
);
192 return &rbuffer
->r
.b
.b
.b
;
195 struct pipe_resource
*r600_user_buffer_create(struct pipe_screen
*screen
,
196 void *ptr
, unsigned bytes
,
199 struct r600_screen
*rscreen
= (struct r600_screen
*)screen
;
200 struct r600_resource_buffer
*rbuffer
;
202 rbuffer
= util_slab_alloc(&rscreen
->pool_buffers
);
204 rbuffer
->magic
= R600_BUFFER_MAGIC
;
205 pipe_reference_init(&rbuffer
->r
.b
.b
.b
.reference
, 1);
206 rbuffer
->r
.b
.b
.vtbl
= &r600_buffer_vtbl
;
207 rbuffer
->r
.b
.b
.b
.screen
= screen
;
208 rbuffer
->r
.b
.b
.b
.target
= PIPE_BUFFER
;
209 rbuffer
->r
.b
.b
.b
.format
= PIPE_FORMAT_R8_UNORM
;
210 rbuffer
->r
.b
.b
.b
.usage
= PIPE_USAGE_IMMUTABLE
;
211 rbuffer
->r
.b
.b
.b
.bind
= bind
;
212 rbuffer
->r
.b
.b
.b
.width0
= bytes
;
213 rbuffer
->r
.b
.b
.b
.height0
= 1;
214 rbuffer
->r
.b
.b
.b
.depth0
= 1;
215 rbuffer
->r
.b
.b
.b
.array_size
= 1;
216 rbuffer
->r
.b
.b
.b
.flags
= 0;
217 rbuffer
->r
.b
.user_ptr
= ptr
;
218 rbuffer
->r
.bo
= NULL
;
219 rbuffer
->r
.bo_size
= 0;
220 return &rbuffer
->r
.b
.b
.b
;
223 struct pipe_resource
*r600_buffer_from_handle(struct pipe_screen
*screen
,
224 struct winsys_handle
*whandle
)
226 struct radeon
*rw
= (struct radeon
*)screen
->winsys
;
227 struct r600_resource
*rbuffer
;
228 struct r600_bo
*bo
= NULL
;
230 bo
= r600_bo_handle(rw
, whandle
->handle
, NULL
);
235 rbuffer
= CALLOC_STRUCT(r600_resource
);
236 if (rbuffer
== NULL
) {
237 r600_bo_reference(rw
, &bo
, NULL
);
241 pipe_reference_init(&rbuffer
->b
.b
.b
.reference
, 1);
242 rbuffer
->b
.b
.b
.target
= PIPE_BUFFER
;
243 rbuffer
->b
.b
.b
.screen
= screen
;
244 rbuffer
->b
.b
.vtbl
= &r600_buffer_vtbl
;
246 return &rbuffer
->b
.b
.b
;
249 void r600_upload_index_buffer(struct r600_pipe_context
*rctx
, struct r600_drawl
*draw
)
251 struct r600_resource_buffer
*rbuffer
= r600_buffer(draw
->index_buffer
);
254 u_upload_data(rctx
->vbuf_mgr
->uploader
, 0,
255 draw
->info
.count
* draw
->index_size
,
256 rbuffer
->r
.b
.user_ptr
,
257 &draw
->index_buffer_offset
,
258 &draw
->index_buffer
, &flushed
);
261 void r600_upload_const_buffer(struct r600_pipe_context
*rctx
, struct r600_resource_buffer
**rbuffer
,
262 uint32_t *const_offset
)
264 if ((*rbuffer
)->r
.b
.user_ptr
) {
265 uint8_t *ptr
= (*rbuffer
)->r
.b
.user_ptr
;
266 unsigned size
= (*rbuffer
)->r
.b
.b
.b
.width0
;
271 if (R600_BIG_ENDIAN
) {
275 if (!(tmpPtr
= malloc(size
))) {
276 R600_ERR("Failed to allocate BE swap buffer.\n");
280 for (i
= 0; i
< size
/ 4; ++i
) {
281 tmpPtr
[i
] = bswap_32(((uint32_t *)ptr
)[i
]);
284 u_upload_data(rctx
->vbuf_mgr
->uploader
, 0, size
, tmpPtr
, const_offset
,
285 (struct pipe_resource
**)rbuffer
, &flushed
);
289 u_upload_data(rctx
->vbuf_mgr
->uploader
, 0, size
, ptr
, const_offset
,
290 (struct pipe_resource
**)rbuffer
, &flushed
);