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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
#ifndef EGLDISPLAY_INCLUDED
#define EGLDISPLAY_INCLUDED
#include "egltypedefs.h"
#include "egldefines.h"
#include "eglmutex.h"
#include "eglarray.h"
enum _egl_platform_type {
_EGL_PLATFORM_WINDOWS,
_EGL_PLATFORM_X11,
_EGL_PLATFORM_WAYLAND,
_EGL_PLATFORM_DRM,
_EGL_PLATFORM_FBDEV,
_EGL_NUM_PLATFORMS,
_EGL_INVALID_PLATFORM = -1
};
typedef enum _egl_platform_type _EGLPlatformType;
enum _egl_resource_type {
_EGL_RESOURCE_CONTEXT,
_EGL_RESOURCE_SURFACE,
_EGL_RESOURCE_IMAGE,
_EGL_RESOURCE_SYNC,
_EGL_NUM_RESOURCES
};
/* this cannot and need not go into egltypedefs.h */
typedef enum _egl_resource_type _EGLResourceType;
/**
* A resource of a display.
*/
struct _egl_resource
{
/* which display the resource belongs to */
_EGLDisplay *Display;
EGLBoolean IsLinked;
EGLint RefCount;
/* used to link resources of the same type */
_EGLResource *Next;
};
/**
* Optional EGL extensions info.
*/
struct _egl_extensions
{
EGLBoolean MESA_screen_surface;
EGLBoolean MESA_copy_context;
EGLBoolean MESA_drm_display;
EGLBoolean MESA_drm_image;
EGLBoolean WL_bind_wayland_display;
EGLBoolean KHR_image_base;
EGLBoolean KHR_image_pixmap;
EGLBoolean KHR_vg_parent_image;
EGLBoolean KHR_gl_texture_2D_image;
EGLBoolean KHR_gl_texture_cubemap_image;
EGLBoolean KHR_gl_texture_3D_image;
EGLBoolean KHR_gl_renderbuffer_image;
EGLBoolean KHR_reusable_sync;
EGLBoolean KHR_fence_sync;
EGLBoolean KHR_surfaceless_gles1;
EGLBoolean KHR_surfaceless_gles2;
EGLBoolean KHR_surfaceless_opengl;
EGLBoolean NOK_swap_region;
EGLBoolean NOK_texture_from_pixmap;
};
struct _egl_display
{
/* used to link displays */
_EGLDisplay *Next;
_EGLMutex Mutex;
_EGLPlatformType Platform; /**< The type of the platform display */
void *PlatformDisplay; /**< A pointer to the platform display */
_EGLDriver *Driver; /**< Matched driver of the display */
EGLBoolean Initialized; /**< True if the display is initialized */
/* options that affect how the driver initializes the display */
struct {
EGLBoolean TestOnly; /**< Driver should not set fields when true */
EGLBoolean UseFallback; /**< Use fallback driver (sw or less features) */
} Options;
/* these fields are set by the driver during init */
void *DriverData; /**< Driver private data */
EGLint VersionMajor; /**< EGL major version */
EGLint VersionMinor; /**< EGL minor version */
EGLint ClientAPIs; /**< Bitmask of APIs supported (EGL_xxx_BIT) */
_EGLExtensions Extensions; /**< Extensions supported */
/* these fields are derived from above */
char VersionString[1000]; /**< EGL_VERSION */
char ClientAPIsString[1000]; /**< EGL_CLIENT_APIS */
char ExtensionsString[_EGL_MAX_EXTENSIONS_LEN]; /**< EGL_EXTENSIONS */
_EGLArray *Screens;
_EGLArray *Configs;
/* lists of resources */
_EGLResource *ResourceLists[_EGL_NUM_RESOURCES];
};
extern _EGLPlatformType
_eglGetNativePlatform(void);
extern void
_eglFiniDisplay(void);
extern _EGLDisplay *
_eglFindDisplay(_EGLPlatformType plat, void *plat_dpy);
PUBLIC void
_eglReleaseDisplayResources(_EGLDriver *drv, _EGLDisplay *dpy);
PUBLIC void
_eglCleanupDisplay(_EGLDisplay *disp);
extern EGLBoolean
_eglCheckDisplayHandle(EGLDisplay dpy);
PUBLIC EGLBoolean
_eglCheckResource(void *res, _EGLResourceType type, _EGLDisplay *dpy);
/**
* Lookup a handle to find the linked display.
* Return NULL if the handle has no corresponding linked display.
*/
static INLINE _EGLDisplay *
_eglLookupDisplay(EGLDisplay display)
{
_EGLDisplay *dpy = (_EGLDisplay *) display;
if (!_eglCheckDisplayHandle(display))
dpy = NULL;
return dpy;
}
/**
* Return the handle of a linked display, or EGL_NO_DISPLAY.
*/
static INLINE EGLDisplay
_eglGetDisplayHandle(_EGLDisplay *dpy)
{
return (EGLDisplay) ((dpy) ? dpy : EGL_NO_DISPLAY);
}
extern void
_eglInitResource(_EGLResource *res, EGLint size, _EGLDisplay *dpy);
PUBLIC void
_eglGetResource(_EGLResource *res);
PUBLIC EGLBoolean
_eglPutResource(_EGLResource *res);
extern void
_eglLinkResource(_EGLResource *res, _EGLResourceType type);
extern void
_eglUnlinkResource(_EGLResource *res, _EGLResourceType type);
/**
* Return true if the resource is linked.
*/
static INLINE EGLBoolean
_eglIsResourceLinked(_EGLResource *res)
{
return res->IsLinked;
}
#endif /* EGLDISPLAY_INCLUDED */
|
