src/egl/main/eglcontext.h

   1
   2 #ifndef EGLCONTEXT_INCLUDED
   3 #define EGLCONTEXT_INCLUDED
   4
   5
   6 #include "egltypedefs.h"
   7
   8
   9 /**
  10  * "Base" class for device driver contexts.
  11  */
  12 struct _egl_context
  13 {
  14    /* Managed by EGLDisplay for linking */
  15    _EGLDisplay *Display;
  16    _EGLContext *Next;
  17
  18    /* The bound status of the context */
  19    _EGLThreadInfo *Binding;
  20    _EGLSurface *DrawSurface;
  21    _EGLSurface *ReadSurface;
  22
  23    _EGLConfig *Config;
  24
  25    EGLint ClientAPI; /**< EGL_OPENGL_ES_API, EGL_OPENGL_API, EGL_OPENVG_API */
  26    EGLint ClientVersion; /**< 1 = OpenGLES 1.x, 2 = OpenGLES 2.x */
  27
  28    /* The real render buffer when a window surface is bound */
  29    EGLint WindowRenderBuffer;
  30 };
  31
  32
  33 extern EGLBoolean
  34 _eglInitContext(_EGLDriver *drv, _EGLContext *ctx,
  35                 _EGLConfig *config, const EGLint *attrib_list);
  36
  37
  38 extern _EGLContext *
  39 _eglCreateContext(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, _EGLContext *share_list, const EGLint *attrib_list);
  40
  41
  42 extern EGLBoolean
  43 _eglDestroyContext(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx);
  44
  45
  46 extern EGLBoolean
  47 _eglQueryContext(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx, EGLint attribute, EGLint *value);
  48
  49
  50 extern EGLBoolean
  51 _eglMakeCurrent(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *draw, _EGLSurface *read, _EGLContext *ctx);
  52
  53
  54 extern EGLBoolean
  55 _eglCopyContextMESA(_EGLDriver *drv, EGLDisplay dpy, EGLContext source, EGLContext dest, EGLint mask);
  56
  57
  58 /**
  59  * Return true if the context is bound to a thread.
  60  */
  61 static INLINE EGLBoolean
  62 _eglIsContextBound(_EGLContext *ctx)
  63 {
  64    return (ctx->Binding != NULL);
  65 }
  66
  67
  68 #endif /* EGLCONTEXT_INCLUDED */