summaryrefslogtreecommitdiff
path: root/lib/libdrm/libkms/api.c
blob: 354d8a2ebe0541695ffeaa586cbacf8d8acb5606 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
/**************************************************************************
 *
 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 **************************************************************************/


#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <errno.h>
#include <stdlib.h>
#include <string.h>

#include "libdrm_macros.h"
#include "internal.h"

int kms_create(int fd, struct kms_driver **out)
{
	return linux_create(fd, out);
}

int kms_get_prop(struct kms_driver *kms, unsigned key, unsigned *out)
{
	switch (key) {
	case KMS_BO_TYPE:
		break;
	default:
		return -EINVAL;
	}
	return kms->get_prop(kms, key, out);
}

int kms_destroy(struct kms_driver **kms)
{
	if (!(*kms))
		return 0;

	free(*kms);
	*kms = NULL;
	return 0;
}

int kms_bo_create(struct kms_driver *kms, const unsigned *attr, struct kms_bo **out)
{
	unsigned width = 0;
	unsigned height = 0;
	enum kms_bo_type type = KMS_BO_TYPE_SCANOUT_X8R8G8B8;
	int i;

	for (i = 0; attr[i];) {
		unsigned key = attr[i++];
		unsigned value = attr[i++];

		switch (key) {
		case KMS_WIDTH:
			width = value;
			break;
		case KMS_HEIGHT:
			height = value;
			break;
		case KMS_BO_TYPE:
			type = value;
			break;
		default:
			return -EINVAL;
		}
	}

	if (width == 0 || height == 0)
		return -EINVAL;

	/* XXX sanity check type */

	if (type == KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8 &&
	    (width != 64 || height != 64))
		return -EINVAL;

	return kms->bo_create(kms, width, height, type, attr, out);
}

int kms_bo_get_prop(struct kms_bo *bo, unsigned key, unsigned *out)
{
	switch (key) {
	case KMS_PITCH:
		*out = bo->pitch;
		break;
	case KMS_HANDLE:
		*out = bo->handle;
		break;
	default:
		return -EINVAL;
	}

	return 0;
}

int kms_bo_map(struct kms_bo *bo, void **out)
{
	return bo->kms->bo_map(bo, out);
}

int kms_bo_unmap(struct kms_bo *bo)
{
	return bo->kms->bo_unmap(bo);
}

int kms_bo_destroy(struct kms_bo **bo)
{
	int ret;

	if (!(*bo))
		return 0;

	ret = (*bo)->kms->bo_destroy(*bo);
	if (ret)
		return ret;

	*bo = NULL;
	return 0;
}