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
|
#ifndef driclient_h
#define driclient_h
#include <stdint.h>
#include <X11/Xmd.h>
#include <X11/Xlib.h>
#include <drm_sarea.h>
//#include <X11/extensions/dri2proto.h>
#include "xf86dri.h"
#include "dri2.h"
/* TODO: Bring in DRI XML options */
typedef struct dri_version
{
int major;
int minor;
int patch;
} dri_version_t;
typedef struct dri_screen
{
Display *display;
unsigned int num;
dri_version_t ddx, dri, drm;
int draw_lock_id;
int fd;
drm_sarea_t *sarea;
void *drawable_hash;
void *private;
} dri_screen_t;
struct dri_context;
typedef struct dri_drawable
{
drm_drawable_t drm_drawable;
Drawable x_drawable;
unsigned int sarea_index;
unsigned int *sarea_stamp;
unsigned int last_sarea_stamp;
int x, y, w, h;
int back_x, back_y;
int num_cliprects, num_back_cliprects;
drm_clip_rect_t *cliprects, *back_cliprects;
dri_screen_t *dri_screen;
unsigned int refcount;
void *private;
} dri_drawable_t;
typedef struct dri_context
{
XID id;
drm_context_t drm_context;
dri_screen_t *dri_screen;
void *private;
} dri_context_t;
typedef struct dri_framebuffer
{
drm_handle_t drm_handle;
int base, size, stride;
int private_size;
void *private;
} dri_framebuffer_t;
int driCreateScreen(Display *display, int screen, dri_screen_t **dri_screen, dri_framebuffer_t *dri_framebuf);
int driDestroyScreen(dri_screen_t *dri_screen);
int driCreateDrawable(dri_screen_t *dri_screen, Drawable drawable, dri_drawable_t **dri_drawable);
int driUpdateDrawableInfo(dri_drawable_t *dri_drawable);
int driDestroyDrawable(dri_drawable_t *dri_drawable);
int driCreateContext(dri_screen_t *dri_screen, Visual *visual, dri_context_t **dri_context);
int driDestroyContext(dri_context_t *dri_context);
#define DRI_VALIDATE_DRAWABLE_INFO_ONCE(dri_drawable) \
do \
{ \
if (*(dri_drawable->sarea_stamp) != dri_drawable->last_sarea_stamp) \
driUpdateDrawableInfo(dri_drawable); \
} while (0)
#define DRI_VALIDATE_DRAWABLE_INFO(dri_screen, dri_drawable) \
do \
{ \
while (*(dri_drawable->sarea_stamp) != dri_drawable->last_sarea_stamp) \
{ \
register unsigned int hwContext = dri_screen->sarea->lock.lock & \
~(DRM_LOCK_HELD | DRM_LOCK_CONT); \
DRM_UNLOCK(dri_screen->fd, &dri_screen->sarea->lock, hwContext); \
\
DRM_SPINLOCK(&dri_screen->sarea->drawable_lock, dri_screen->draw_lock_id); \
DRI_VALIDATE_DRAWABLE_INFO_ONCE(dri_drawable); \
DRM_SPINUNLOCK(&dri_screen->sarea->drawable_lock, dri_screen->draw_lock_id); \
\
DRM_LIGHT_LOCK(dri_screen->fd, &dri_screen->sarea->lock, hwContext); \
} \
} while (0)
int dri2CreateScreen(Display *display, int screen, dri_screen_t **dri_screen);
int dri2DestroyScreen(dri_screen_t *dri_screen);
int dri2CreateDrawable(dri_screen_t *dri_screen, XID drawable);
int dri2DestroyDrawable(dri_screen_t *dri_screen, XID drawable);
#define DRI_BUFFER_FRONT_LEFT 0
#define DRI_BUFFER_BACK_LEFT 1
#define DRI_BUFFER_FRONT_RIGHT 2
#define DRI_BUFFER_BACK_RIGHT 3
#define DRI_BUFFER_DEPTH 4
#define DRI_BUFFER_STENCIL 5
#define DRI_BUFFER_ACCUM 6
#define DRI_BUFFER_FAKE_FRONT_LEFT 7
#define DRI_BUFFER_FAKE_FRONT_RIGHT 8
#define DRI_BUFFER_DEPTH_STENCIL 9 /**< Only available with DRI2 1.1 */
#endif
|
