2 * Copyright (C) 2009-2010 Francisco Jerez.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 #include "main/bufferobj.h"
28 #include "nouveau_driver.h"
29 #include "nouveau_array.h"
30 #include "nouveau_bufferobj.h"
33 get_array_extract(struct nouveau_array
*a
, extract_u_t
*extract_u
,
34 extract_f_t
*extract_f
)
36 #define EXTRACT(in_t, out_t, k) \
38 auto out_t f(struct nouveau_array *, int, int); \
39 out_t f(struct nouveau_array *a, int i, int j) { \
40 in_t x = ((in_t *)(a->buf + i * a->stride))[j]; \
42 return (out_t)x / (k); \
49 *extract_u
= EXTRACT(char, unsigned, 1);
50 *extract_f
= EXTRACT(char, float, SCHAR_MAX
);
52 case GL_UNSIGNED_BYTE
:
53 *extract_u
= EXTRACT(unsigned char, unsigned, 1);
54 *extract_f
= EXTRACT(unsigned char, float, UCHAR_MAX
);
57 *extract_u
= EXTRACT(short, unsigned, 1);
58 *extract_f
= EXTRACT(short, float, SHRT_MAX
);
60 case GL_UNSIGNED_SHORT
:
61 *extract_u
= EXTRACT(unsigned short, unsigned, 1);
62 *extract_f
= EXTRACT(unsigned short, float, USHRT_MAX
);
65 *extract_u
= EXTRACT(int, unsigned, 1);
66 *extract_f
= EXTRACT(int, float, INT_MAX
);
69 *extract_u
= EXTRACT(unsigned int, unsigned, 1);
70 *extract_f
= EXTRACT(unsigned int, float, UINT_MAX
);
73 *extract_u
= EXTRACT(float, unsigned, 1.0 / UINT_MAX
);
74 *extract_f
= EXTRACT(float, float, 1);
82 nouveau_init_array(struct nouveau_array
*a
, int attr
, int stride
,
83 int fields
, int type
, struct gl_buffer_object
*obj
,
84 const void *ptr
, GLboolean map
)
93 if (nouveau_bufferobj_hw(obj
)) {
94 struct nouveau_bufferobj
*nbo
=
95 to_nouveau_bufferobj(obj
);
97 nouveau_bo_ref(nbo
->bo
, &a
->bo
);
98 a
->offset
= (intptr_t)ptr
;
101 nouveau_bo_map(a
->bo
, NOUVEAU_BO_RD
);
102 a
->buf
= a
->bo
->map
+ a
->offset
;
106 nouveau_bo_ref(NULL
, &a
->bo
);
110 a
->buf
= ADD_POINTERS(
111 nouveau_bufferobj_sys(obj
), ptr
);
116 get_array_extract(a
, &a
->extract_u
, &a
->extract_f
);
120 nouveau_deinit_array(struct nouveau_array
*a
)
124 nouveau_bo_unmap(a
->bo
);
132 nouveau_cleanup_array(struct nouveau_array
*a
)
134 nouveau_deinit_array(a
);
135 nouveau_bo_ref(NULL
, &a
->bo
);