src/egl/main/eglcurrent.h

   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  */
  23 struct _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  */
  35 static 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  */
  46 static 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  */
  57 static INLINE EGLenum
  58 _eglConvertApiFromIndex(EGLint idx)
  59 {
  60    return _EGL_API_FIRST_API + idx;
  61 }
  62
  63
  64 PUBLIC _EGLThreadInfo *
  65 _eglGetCurrentThread(void);
  66
  67
  68 extern void
  69 _eglDestroyCurrentThread(void);
  70
  71
  72 extern EGLBoolean
  73 _eglIsCurrentThreadDummy(void);
  74
  75
  76 PUBLIC _EGLContext *
  77 _eglGetAPIContext(EGLenum api);
  78
  79
  80 PUBLIC _EGLContext *
  81 _eglGetCurrentContext(void);
  82
  83
  84 PUBLIC EGLBoolean
  85 _eglError(EGLint errCode, const char *msg);
  86
  87
  88 #endif /* EGLCURRENT_INCLUDED */