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 extern struct u_resource_vtbl r600_buffer_vtbl
;
44 struct pipe_resource
*r600_buffer_create(struct pipe_screen
*screen
,
45 const struct pipe_resource
*templ
)
47 struct r600_resource_buffer
*rbuffer
;
49 /* XXX We probably want a different alignment for buffers and textures. */
50 unsigned alignment
= 4096;
52 rbuffer
= CALLOC_STRUCT(r600_resource_buffer
);
56 rbuffer
->magic
= R600_BUFFER_MAGIC
;
57 rbuffer
->user_buffer
= NULL
;
58 rbuffer
->r
.base
.b
= *templ
;
59 pipe_reference_init(&rbuffer
->r
.base
.b
.reference
, 1);
60 rbuffer
->r
.base
.b
.screen
= screen
;
61 rbuffer
->r
.base
.vtbl
= &r600_buffer_vtbl
;
62 rbuffer
->r
.size
= rbuffer
->r
.base
.b
.width0
;
63 rbuffer
->r
.bo_size
= rbuffer
->r
.size
;
64 bo
= r600_bo((struct radeon
*)screen
->winsys
, rbuffer
->r
.base
.b
.width0
, alignment
, rbuffer
->r
.base
.b
.bind
, rbuffer
->r
.base
.b
.usage
);
70 return &rbuffer
->r
.base
.b
;
73 struct pipe_resource
*r600_user_buffer_create(struct pipe_screen
*screen
,
74 void *ptr
, unsigned bytes
,
77 struct r600_resource_buffer
*rbuffer
;
79 rbuffer
= CALLOC_STRUCT(r600_resource_buffer
);
83 rbuffer
->magic
= R600_BUFFER_MAGIC
;
84 pipe_reference_init(&rbuffer
->r
.base
.b
.reference
, 1);
85 rbuffer
->r
.base
.vtbl
= &r600_buffer_vtbl
;
86 rbuffer
->r
.base
.b
.screen
= screen
;
87 rbuffer
->r
.base
.b
.target
= PIPE_BUFFER
;
88 rbuffer
->r
.base
.b
.format
= PIPE_FORMAT_R8_UNORM
;
89 rbuffer
->r
.base
.b
.usage
= PIPE_USAGE_IMMUTABLE
;
90 rbuffer
->r
.base
.b
.bind
= bind
;
91 rbuffer
->r
.base
.b
.width0
= bytes
;
92 rbuffer
->r
.base
.b
.height0
= 1;
93 rbuffer
->r
.base
.b
.depth0
= 1;
94 rbuffer
->r
.base
.b
.array_size
= 1;
95 rbuffer
->r
.base
.b
.flags
= 0;
97 rbuffer
->r
.bo_size
= 0;
98 rbuffer
->user_buffer
= ptr
;
99 return &rbuffer
->r
.base
.b
;
102 static void r600_buffer_destroy(struct pipe_screen
*screen
,
103 struct pipe_resource
*buf
)
105 struct r600_resource_buffer
*rbuffer
= r600_buffer(buf
);
108 r600_bo_reference((struct radeon
*)screen
->winsys
, &rbuffer
->r
.bo
, NULL
);
110 rbuffer
->r
.bo
= NULL
;
114 static void *r600_buffer_transfer_map(struct pipe_context
*pipe
,
115 struct pipe_transfer
*transfer
)
117 struct r600_resource_buffer
*rbuffer
= r600_buffer(transfer
->resource
);
121 if (rbuffer
->user_buffer
)
122 return (uint8_t*)rbuffer
->user_buffer
+ transfer
->box
.x
;
124 if (transfer
->usage
& PIPE_TRANSFER_DONTBLOCK
) {
127 if (transfer
->usage
& PIPE_TRANSFER_WRITE
) {
130 data
= r600_bo_map((struct radeon
*)pipe
->winsys
, rbuffer
->r
.bo
, transfer
->usage
, pipe
);
134 return (uint8_t*)data
+ transfer
->box
.x
;
137 static void r600_buffer_transfer_unmap(struct pipe_context
*pipe
,
138 struct pipe_transfer
*transfer
)
140 struct r600_resource_buffer
*rbuffer
= r600_buffer(transfer
->resource
);
142 if (rbuffer
->user_buffer
)
146 r600_bo_unmap((struct radeon
*)pipe
->winsys
, rbuffer
->r
.bo
);
149 static void r600_buffer_transfer_flush_region(struct pipe_context
*pipe
,
150 struct pipe_transfer
*transfer
,
151 const struct pipe_box
*box
)
155 unsigned r600_buffer_is_referenced_by_cs(struct pipe_context
*context
,
156 struct pipe_resource
*buf
,
157 unsigned level
, int layer
)
160 return PIPE_REFERENCED_FOR_READ
| PIPE_REFERENCED_FOR_WRITE
;
163 struct pipe_resource
*r600_buffer_from_handle(struct pipe_screen
*screen
,
164 struct winsys_handle
*whandle
)
166 struct radeon
*rw
= (struct radeon
*)screen
->winsys
;
167 struct r600_resource
*rbuffer
;
168 struct r600_bo
*bo
= NULL
;
170 bo
= r600_bo_handle(rw
, whandle
->handle
, NULL
);
175 rbuffer
= CALLOC_STRUCT(r600_resource
);
176 if (rbuffer
== NULL
) {
177 r600_bo_reference(rw
, &bo
, NULL
);
181 pipe_reference_init(&rbuffer
->base
.b
.reference
, 1);
182 rbuffer
->base
.b
.target
= PIPE_BUFFER
;
183 rbuffer
->base
.b
.screen
= screen
;
184 rbuffer
->base
.vtbl
= &r600_buffer_vtbl
;
186 return &rbuffer
->base
.b
;
189 struct u_resource_vtbl r600_buffer_vtbl
=
191 u_default_resource_get_handle
, /* get_handle */
192 r600_buffer_destroy
, /* resource_destroy */
193 r600_buffer_is_referenced_by_cs
, /* is_buffer_referenced */
194 u_default_get_transfer
, /* get_transfer */
195 u_default_transfer_destroy
, /* transfer_destroy */
196 r600_buffer_transfer_map
, /* transfer_map */
197 r600_buffer_transfer_flush_region
, /* transfer_flush_region */
198 r600_buffer_transfer_unmap
, /* transfer_unmap */
199 u_default_transfer_inline_write
/* transfer_inline_write */
202 void r600_upload_index_buffer(struct r600_pipe_context
*rctx
, struct r600_drawl
*draw
)
204 struct r600_resource_buffer
*rbuffer
= r600_buffer(draw
->index_buffer
);
207 u_upload_data(rctx
->upload_vb
, 0,
208 draw
->info
.count
* draw
->index_size
,
209 rbuffer
->user_buffer
,
210 &draw
->index_buffer_offset
,
211 &draw
->index_buffer
, &flushed
);
214 void r600_upload_user_buffers(struct r600_pipe_context
*rctx
,
215 int min_index
, int max_index
)
217 int i
, nr
= rctx
->vertex_elements
->count
;
218 unsigned count
= max_index
+ 1 - min_index
;
220 boolean uploaded
[32] = {0};
222 for (i
= 0; i
< nr
; i
++) {
223 unsigned index
= rctx
->vertex_elements
->elements
[i
].vertex_buffer_index
;
224 struct pipe_vertex_buffer
*vb
= &rctx
->vertex_buffer
[index
];
225 struct r600_resource_buffer
*userbuf
= r600_buffer(vb
->buffer
);
227 if (userbuf
&& userbuf
->user_buffer
&& !uploaded
[index
]) {
228 unsigned first
, size
;
231 first
= vb
->stride
* min_index
;
232 size
= vb
->stride
* count
;
235 size
= rctx
->vertex_elements
->hw_format_size
[i
];
238 u_upload_data(rctx
->upload_vb
, first
, size
,
239 (uint8_t*)userbuf
->user_buffer
+ first
,
241 &rctx
->real_vertex_buffer
[index
],
244 vb
->buffer_offset
-= first
;
246 /* vertex_arrays_dirty = TRUE; */
247 uploaded
[index
] = TRUE
;
249 assert(rctx
->real_vertex_buffer
[index
]);
254 void r600_upload_const_buffer(struct r600_pipe_context
*rctx
, struct r600_resource_buffer
**rbuffer
,
255 uint32_t *const_offset
)
257 if ((*rbuffer
)->user_buffer
) {
258 uint8_t *ptr
= (*rbuffer
)->user_buffer
;
259 unsigned size
= (*rbuffer
)->r
.base
.b
.width0
;
264 u_upload_data(rctx
->upload_const
, 0, size
, ptr
, const_offset
,
265 (struct pipe_resource
**)rbuffer
, &flushed
);