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"
34 #include "radeon_drm.h"
36 #include "r600_pipe.h"
38 extern struct u_resource_vtbl r600_buffer_vtbl
;
41 struct pipe_resource
*r600_buffer_create(struct pipe_screen
*screen
,
42 const struct pipe_resource
*templ
)
44 struct r600_resource_buffer
*rbuffer
;
46 /* XXX We probably want a different alignment for buffers and textures. */
47 unsigned alignment
= 4096;
49 rbuffer
= CALLOC_STRUCT(r600_resource_buffer
);
53 rbuffer
->magic
= R600_BUFFER_MAGIC
;
54 rbuffer
->user_buffer
= NULL
;
55 rbuffer
->r
.base
.b
= *templ
;
56 pipe_reference_init(&rbuffer
->r
.base
.b
.reference
, 1);
57 rbuffer
->r
.base
.b
.screen
= screen
;
58 rbuffer
->r
.base
.vtbl
= &r600_buffer_vtbl
;
59 rbuffer
->r
.size
= rbuffer
->r
.base
.b
.width0
;
60 rbuffer
->r
.bo_size
= rbuffer
->r
.size
;
61 rbuffer
->uploaded
= FALSE
;
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;
95 rbuffer
->r
.bo_size
= 0;
96 rbuffer
->user_buffer
= ptr
;
97 rbuffer
->uploaded
= FALSE
;
98 return &rbuffer
->r
.base
.b
;
101 static void r600_buffer_destroy(struct pipe_screen
*screen
,
102 struct pipe_resource
*buf
)
104 struct r600_resource_buffer
*rbuffer
= r600_buffer(buf
);
107 r600_bo_reference((struct radeon
*)screen
->winsys
, &rbuffer
->r
.bo
, NULL
);
109 rbuffer
->r
.bo
= NULL
;
113 static void *r600_buffer_transfer_map(struct pipe_context
*pipe
,
114 struct pipe_transfer
*transfer
)
116 struct r600_resource_buffer
*rbuffer
= r600_buffer(transfer
->resource
);
120 if (rbuffer
->user_buffer
)
121 return (uint8_t*)rbuffer
->user_buffer
+ transfer
->box
.x
;
123 if (transfer
->usage
& PIPE_TRANSFER_DONTBLOCK
) {
126 if (transfer
->usage
& PIPE_TRANSFER_WRITE
) {
129 data
= r600_bo_map((struct radeon
*)pipe
->winsys
, rbuffer
->r
.bo
, transfer
->usage
, pipe
);
133 return (uint8_t*)data
+ transfer
->box
.x
;
136 static void r600_buffer_transfer_unmap(struct pipe_context
*pipe
,
137 struct pipe_transfer
*transfer
)
139 struct r600_resource_buffer
*rbuffer
= r600_buffer(transfer
->resource
);
141 if (rbuffer
->user_buffer
)
145 r600_bo_unmap((struct radeon
*)pipe
->winsys
, rbuffer
->r
.bo
);
148 static void r600_buffer_transfer_flush_region(struct pipe_context
*pipe
,
149 struct pipe_transfer
*transfer
,
150 const struct pipe_box
*box
)
154 unsigned r600_buffer_is_referenced_by_cs(struct pipe_context
*context
,
155 struct pipe_resource
*buf
,
156 unsigned level
, int layer
)
159 return PIPE_REFERENCED_FOR_READ
| PIPE_REFERENCED_FOR_WRITE
;
162 struct pipe_resource
*r600_buffer_from_handle(struct pipe_screen
*screen
,
163 struct winsys_handle
*whandle
)
165 struct radeon
*rw
= (struct radeon
*)screen
->winsys
;
166 struct r600_resource
*rbuffer
;
167 struct r600_bo
*bo
= NULL
;
169 bo
= r600_bo_handle(rw
, whandle
->handle
, NULL
);
174 rbuffer
= CALLOC_STRUCT(r600_resource
);
175 if (rbuffer
== NULL
) {
176 r600_bo_reference(rw
, &bo
, NULL
);
180 pipe_reference_init(&rbuffer
->base
.b
.reference
, 1);
181 rbuffer
->base
.b
.target
= PIPE_BUFFER
;
182 rbuffer
->base
.b
.screen
= screen
;
183 rbuffer
->base
.vtbl
= &r600_buffer_vtbl
;
185 return &rbuffer
->base
.b
;
188 struct u_resource_vtbl r600_buffer_vtbl
=
190 u_default_resource_get_handle
, /* get_handle */
191 r600_buffer_destroy
, /* resource_destroy */
192 r600_buffer_is_referenced_by_cs
, /* is_buffer_referenced */
193 u_default_get_transfer
, /* get_transfer */
194 u_default_transfer_destroy
, /* transfer_destroy */
195 r600_buffer_transfer_map
, /* transfer_map */
196 r600_buffer_transfer_flush_region
, /* transfer_flush_region */
197 r600_buffer_transfer_unmap
, /* transfer_unmap */
198 u_default_transfer_inline_write
/* transfer_inline_write */
201 int r600_upload_index_buffer(struct r600_pipe_context
*rctx
, struct r600_drawl
*draw
)
203 if (r600_buffer_is_user_buffer(draw
->index_buffer
)) {
204 struct r600_resource_buffer
*rbuffer
= r600_buffer(draw
->index_buffer
);
205 unsigned upload_offset
;
208 ret
= r600_upload_buffer(rctx
->rupload_vb
,
209 draw
->index_buffer_offset
,
210 draw
->count
* draw
->index_size
,
217 rbuffer
->uploaded
= TRUE
;
218 draw
->index_buffer_offset
= upload_offset
;
224 int r600_upload_user_buffers(struct r600_pipe_context
*rctx
)
226 enum pipe_error ret
= PIPE_OK
;
229 nr
= rctx
->vertex_elements
->count
;
230 nr
= rctx
->nvertex_buffer
;
232 for (i
= 0; i
< nr
; i
++) {
233 struct pipe_vertex_buffer
*vb
= &rctx
->vertex_buffer
[i
];
235 if (r600_buffer_is_user_buffer(vb
->buffer
)) {
236 struct r600_resource_buffer
*rbuffer
= r600_buffer(vb
->buffer
);
237 unsigned upload_offset
;
239 ret
= r600_upload_buffer(rctx
->rupload_vb
,
240 0, vb
->buffer
->width0
,
247 rbuffer
->uploaded
= TRUE
;
248 vb
->buffer_offset
= upload_offset
;
255 int r600_upload_const_buffer(struct r600_pipe_context
*rctx
, struct pipe_resource
*cbuffer
,
256 uint32_t *const_offset
)
258 if (r600_buffer_is_user_buffer(cbuffer
)) {
259 struct r600_resource_buffer
*rbuffer
= r600_buffer(cbuffer
);
260 unsigned upload_offset
;
263 ret
= r600_upload_buffer(rctx
->rupload_const
,
271 rbuffer
->uploaded
= TRUE
;
272 *const_offset
= upload_offset
;