1 /**************************************************************************
3 * Copyright © 2009 Jakob Bornecrantz
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
24 **************************************************************************/
26 #include "util/u_inlines.h"
27 #include "util/u_memory.h"
28 #include "i915_screen.h"
29 #include "i915_buffer.h"
35 struct pipe_buffer base
;
37 struct intel_buffer
*ibuf
; /** hw buffer */
39 void *data
; /**< user and malloc data */
40 boolean own
; /**< we own the data incase of malloc */
43 static INLINE
struct i915_buffer
*
44 i915_buffer(struct pipe_buffer
*buffer
)
46 return (struct i915_buffer
*)buffer
;
49 static struct pipe_buffer
*
50 i915_buffer_create(struct pipe_screen
*screen
,
55 struct i915_buffer
*buf
= CALLOC_STRUCT(i915_buffer
);
60 pipe_reference_init(&buf
->base
.reference
, 1);
61 buf
->base
.alignment
= alignment
;
62 buf
->base
.screen
= screen
;
63 buf
->base
.usage
= usage
;
64 buf
->base
.size
= size
;
65 buf
->data
= MALLOC(size
);
78 static struct pipe_buffer
*
79 i915_user_buffer_create(struct pipe_screen
*screen
,
83 struct i915_buffer
*buf
= CALLOC_STRUCT(i915_buffer
);
88 pipe_reference_init(&buf
->base
.reference
, 1);
89 buf
->base
.alignment
= 0;
90 buf
->base
.screen
= screen
;
92 buf
->base
.size
= bytes
;
100 i915_buffer_map(struct pipe_screen
*screen
,
101 struct pipe_buffer
*buffer
,
104 struct i915_buffer
*buf
= i915_buffer(buffer
);
110 i915_buffer_unmap(struct pipe_screen
*screen
,
111 struct pipe_buffer
*buffer
)
113 struct i915_buffer
*buf
= i915_buffer(buffer
);
119 i915_buffer_destroy(struct pipe_buffer
*buffer
)
121 struct i915_buffer
*buf
= i915_buffer(buffer
);
129 void i915_init_screen_buffer_functions(struct i915_screen
*screen
)
131 screen
->base
.buffer_create
= i915_buffer_create
;
132 screen
->base
.user_buffer_create
= i915_user_buffer_create
;
133 screen
->base
.buffer_map
= i915_buffer_map
;
134 screen
->base
.buffer_map_range
= NULL
;
135 screen
->base
.buffer_flush_mapped_range
= NULL
;
136 screen
->base
.buffer_unmap
= i915_buffer_unmap
;
137 screen
->base
.buffer_destroy
= i915_buffer_destroy
;