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
|
/*
* Copyright 2012 Advanced Micro Devices, Inc.
*
* 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, sublicense,
* 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
*/
#ifndef RADEON_BO_HELPER_H
#define RADEON_BO_HELPER_H 1
#ifdef USE_GLAMOR
#include <gbm.h>
#endif
#define RADEON_BO_FLAGS_GBM 0x1
struct radeon_buffer {
union {
#ifdef USE_GLAMOR
struct gbm_bo *gbm;
#endif
struct radeon_bo *radeon;
} bo;
uint32_t ref_count;
uint32_t flags;
};
extern struct radeon_buffer *
radeon_alloc_pixmap_bo(ScrnInfoPtr pScrn, int width, int height, int depth,
int usage_hint, int bitsPerPixel, int *new_pitch,
struct radeon_surface *new_surface, uint32_t *new_tiling);
extern void
radeon_finish(ScrnInfoPtr scrn, struct radeon_buffer *bo);
extern void
radeon_pixmap_clear(PixmapPtr pixmap);
extern uint32_t
radeon_get_pixmap_tiling_flags(PixmapPtr pPix);
extern Bool
radeon_share_pixmap_backing(struct radeon_bo *bo, void **handle_p);
extern Bool
radeon_set_shared_pixmap_backing(PixmapPtr ppix, void *fd_handle,
struct radeon_surface *surface);
/**
* get_drawable_pixmap() returns the backing pixmap for a given drawable.
*
* @param drawable the drawable being requested.
*
* This function returns the backing pixmap for a drawable, whether it is a
* redirected window, unredirected window, or already a pixmap.
*/
static inline PixmapPtr get_drawable_pixmap(DrawablePtr drawable)
{
if (drawable->type == DRAWABLE_PIXMAP)
return (PixmapPtr)drawable;
else
return drawable->pScreen->GetWindowPixmap((WindowPtr)drawable);
}
static inline void
radeon_buffer_ref(struct radeon_buffer *buffer)
{
buffer->ref_count++;
}
static inline void
radeon_buffer_unref(struct radeon_buffer **buffer)
{
struct radeon_buffer *buf = *buffer;
if (!buf)
return;
if (buf->ref_count > 1) {
buf->ref_count--;
return;
}
#ifdef USE_GLAMOR
if (buf->flags & RADEON_BO_FLAGS_GBM) {
gbm_bo_destroy(buf->bo.gbm);
} else
#endif
{
radeon_bo_unmap(buf->bo.radeon);
radeon_bo_unref(buf->bo.radeon);
}
free(buf);
*buffer = NULL;
}
#endif /* RADEON_BO_HELPER_H */
|
