src/egl/main/eglcurrent.h

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