eglcurrent.h revision cdc920a0 
1#ifndef EGLCURRENT_INCLUDED
2#define EGLCURRENT_INCLUDED
3
4
5#include "egltypedefs.h"
6
7
8#define _EGL_API_ALL_BITS \
9   (EGL_OPENGL_ES_BIT   | \
10    EGL_OPENVG_BIT      | \
11    EGL_OPENGL_ES2_BIT  | \
12    EGL_OPENGL_BIT)
13
14
15#define _EGL_API_FIRST_API EGL_OPENGL_ES_API
16#define _EGL_API_LAST_API EGL_OPENGL_API
17#define _EGL_API_NUM_APIS (_EGL_API_LAST_API - _EGL_API_FIRST_API + 1)
18
19
20/**
21 * Per-thread info
22 */
23struct _egl_thread_info
24{
25   EGLint LastError;
26   _EGLContext *CurrentContexts[_EGL_API_NUM_APIS];
27   /* use index for fast access to current context */
28   EGLint CurrentAPIIndex;
29};
30
31
32/**
33 * Return true if a client API enum is recognized.
34 */
35static INLINE EGLBoolean
36_eglIsApiValid(EGLenum api)
37{
38   return (api >= _EGL_API_FIRST_API && api <= _EGL_API_LAST_API);
39}
40
41
42/**
43 * Convert a client API enum to an index, for use by thread info.
44 * The client API enum is assumed to be valid.
45 */
46static INLINE EGLint
47_eglConvertApiToIndex(EGLenum api)
48{
49   return api - _EGL_API_FIRST_API;
50}
51
52
53/**
54 * Convert an index, used by thread info, to a client API enum.
55 * The index is assumed to be valid.
56 */
57static INLINE EGLenum
58_eglConvertApiFromIndex(EGLint idx)
59{
60   return _EGL_API_FIRST_API + idx;
61}
62
63
64PUBLIC _EGLThreadInfo *
65_eglGetCurrentThread(void);
66
67
68extern void
69_eglDestroyCurrentThread(void);
70
71
72extern EGLBoolean
73_eglIsCurrentThreadDummy(void);
74
75
76PUBLIC _EGLContext *
77_eglGetAPIContext(EGLenum api);
78
79
80PUBLIC _EGLContext *
81_eglGetCurrentContext(void);
82
83
84PUBLIC EGLBoolean
85_eglError(EGLint errCode, const char *msg);
86
87
88#endif /* EGLCURRENT_INCLUDED */
89