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
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
|
#ifndef EGLDISPLAY_INCLUDED
#define EGLDISPLAY_INCLUDED
#ifdef _EGL_PLATFORM_X
#include <X11/Xlib.h>
#endif
#include "egltypedefs.h"
#include "egldefines.h"
#include "eglcontext.h"
#include "eglsurface.h"
/**
* Optional EGL extensions info.
*/
struct _egl_extensions
{
EGLBoolean MESA_screen_surface;
EGLBoolean MESA_copy_context;
char String[_EGL_MAX_EXTENSIONS_LEN];
};
struct _egl_display
{
/* used to link displays */
_EGLDisplay *Next;
EGLNativeDisplayType NativeDisplay;
const char *DriverName;
_EGLDriver *Driver;
void *DriverData; /* private to driver */
int APImajor, APIminor; /**< as returned by eglInitialize() */
char Version[1000]; /**< initialized from APImajor/minor, DriverName */
/** Bitmask of supported APIs (EGL_xx_BIT) set by the driver during init */
EGLint ClientAPIsMask;
char ClientAPIs[1000]; /**< updated by eglQueryString */
_EGLExtensions Extensions;
int LargestPbuffer;
EGLint NumScreens;
_EGLScreen **Screens; /* array [NumScreens] */
EGLint NumConfigs;
_EGLConfig **Configs; /* array [NumConfigs] of ptr to _EGLConfig */
/* lists of linked contexts and surface */
_EGLContext *ContextList;
_EGLSurface *SurfaceList;
#ifdef _EGL_PLATFORM_X
Display *Xdpy;
#endif
};
extern void
_eglFiniDisplay(void);
extern _EGLDisplay *
_eglNewDisplay(NativeDisplayType displayName);
extern EGLDisplay
_eglLinkDisplay(_EGLDisplay *dpy);
extern void
_eglUnlinkDisplay(_EGLDisplay *dpy);
extern _EGLDisplay *
_eglFindDisplay(NativeDisplayType nativeDisplay);
extern void
_eglReleaseDisplayResources(_EGLDriver *drv, _EGLDisplay *dpy);
extern void
_eglCleanupDisplay(_EGLDisplay *disp);
extern EGLContext
_eglLinkContext(_EGLContext *ctx, _EGLDisplay *dpy);
extern void
_eglUnlinkContext(_EGLContext *ctx);
extern EGLSurface
_eglLinkSurface(_EGLSurface *surf, _EGLDisplay *dpy);
extern void
_eglUnlinkSurface(_EGLSurface *surf);
#ifndef _EGL_SKIP_HANDLE_CHECK
extern EGLBoolean
_eglCheckDisplayHandle(EGLDisplay dpy);
extern EGLBoolean
_eglCheckContextHandle(EGLContext ctx, _EGLDisplay *dpy);
extern EGLBoolean
_eglCheckSurfaceHandle(EGLSurface surf, _EGLDisplay *dpy);
#else /* !_EGL_SKIP_HANDLE_CHECK */
/* Only do a quick check. This is NOT standard compliant. */
static INLINE EGLBoolean
_eglCheckDisplayHandle(EGLDisplay dpy) { return EGL_TRUE; }
static INLINE EGLBoolean
_eglCheckContextHandle(EGLContext ctx, _EGLDisplay *dpy)
{
_EGLContext *c = (_EGLContext *) ctx;
return (c && c->Display == dpy);
}
static INLINE EGLBoolean
_eglCheckSurfaceHandle(EGLSurface surf, _EGLDisplay *dpy)
{
_EGLSurface *s = (_EGLSurface *) surf;
return (s && s->Display == dpy);
}
#endif /* _EGL_SKIP_HANDLE_CHECK */
/**
* 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);
}
/**
* Return true if the display is linked.
*/
static INLINE EGLBoolean
_eglIsDisplayLinked(_EGLDisplay *dpy)
{
return (EGLBoolean) (_eglGetDisplayHandle(dpy) != EGL_NO_DISPLAY);
}
/**
* Lookup a handle to find the linked context.
* Return NULL if the handle has no corresponding linked context.
*/
static INLINE _EGLContext *
_eglLookupContext(EGLContext context, _EGLDisplay *dpy)
{
_EGLContext *ctx = (_EGLContext *) context;
if (!_eglCheckContextHandle(context, dpy))
ctx = NULL;
return ctx;
}
/**
* Return the handle of a linked context, or EGL_NO_CONTEXT.
*/
static INLINE EGLContext
_eglGetContextHandle(_EGLContext *ctx)
{
return (EGLContext) ((ctx && ctx->Display) ? ctx : EGL_NO_CONTEXT);
}
/**
* Return true if the context is linked to a display.
*/
static INLINE EGLBoolean
_eglIsContextLinked(_EGLContext *ctx)
{
return (EGLBoolean) (_eglGetContextHandle(ctx) != EGL_NO_CONTEXT);
}
/**
* Lookup a handle to find the linked surface.
* Return NULL if the handle has no corresponding linked surface.
*/
static INLINE _EGLSurface *
_eglLookupSurface(EGLSurface surface, _EGLDisplay *dpy)
{
_EGLSurface *surf = (_EGLSurface *) surface;
if (!_eglCheckSurfaceHandle(surf, dpy))
surf = NULL;
return surf;
}
/**
* Return the handle of a linked surface, or EGL_NO_SURFACE.
*/
static INLINE EGLSurface
_eglGetSurfaceHandle(_EGLSurface *surf)
{
return (EGLSurface) ((surf && surf->Display) ? surf : EGL_NO_SURFACE);
}
/**
* Return true if the surface is linked to a display.
*/
static INLINE EGLBoolean
_eglIsSurfaceLinked(_EGLSurface *surf)
{
return (EGLBoolean) (_eglGetSurfaceHandle(surf) != EGL_NO_SURFACE);
}
/**
* Cast an unsigned int to a pointer.
*/
static INLINE void *
_eglUIntToPointer(unsigned int v)
{
return (void *) ((uintptr_t) v);
}
/**
* Cast a pointer to an unsigned int. The pointer must be one that is
* returned by _eglUIntToPointer.
*/
static INLINE unsigned int
_eglPointerToUInt(const void *p)
{
return (unsigned int) ((uintptr_t) p);
}
#endif /* EGLDISPLAY_INCLUDED */
|
