src/egl/main/egldisplay.h

   1 #ifndef EGLDISPLAY_INCLUDED
   2 #define EGLDISPLAY_INCLUDED
   3
   4 #ifdef _EGL_PLATFORM_X
   5 #include <X11/Xlib.h>
   6 #endif
   7
   8 #include "egltypedefs.h"
   9 #include "eglhash.h"
  10
  11
  12 struct _egl_display
  13 {
  14    EGLNativeDisplayType NativeDisplay;
  15    EGLDisplay Handle;
  16
  17    const char *DriverName;
  18    const char *DriverArgs;
  19    _EGLDriver *Driver;
  20
  21    EGLint NumScreens;
  22    _EGLScreen **Screens;  /* array [NumScreens] */
  23
  24    EGLint NumConfigs;
  25    _EGLConfig **Configs;  /* array [NumConfigs] of ptr to _EGLConfig */
  26
  27    /* lists of linked contexts and surface */
  28    _EGLContext *ContextList;
  29    _EGLSurface *SurfaceList;
  30
  31    /* hash table to map surfaces to handles */
  32    _EGLHashtable *SurfaceHash;
  33
  34 #ifdef _EGL_PLATFORM_X
  35    Display *Xdpy;
  36 #endif
  37 };
  38
  39
  40 extern _EGLDisplay *
  41 _eglNewDisplay(NativeDisplayType displayName);
  42
  43
  44 extern EGLDisplay
  45 _eglLinkDisplay(_EGLDisplay *dpy);
  46
  47
  48 extern void
  49 _eglUnlinkDisplay(_EGLDisplay *dpy);
  50
  51
  52 extern EGLDisplay
  53 _eglGetDisplayHandle(_EGLDisplay *display);
  54
  55
  56 extern _EGLDisplay *
  57 _eglLookupDisplay(EGLDisplay dpy);
  58
  59
  60 /**
  61  * Return true if the display is linked.
  62  */
  63 static INLINE EGLBoolean
  64 _eglIsDisplayLinked(_EGLDisplay *dpy)
  65 {
  66    return (EGLBoolean) (_eglGetDisplayHandle(dpy) != EGL_NO_DISPLAY);
  67 }
  68
  69
  70 extern _EGLDisplay *
  71 _eglFindDisplay(NativeDisplayType nativeDisplay);
  72
  73
  74 extern void
  75 _eglReleaseDisplayResources(_EGLDriver *drv, EGLDisplay dpy);
  76
  77
  78 extern void
  79 _eglCleanupDisplay(_EGLDisplay *disp);
  80
  81
  82 extern EGLContext
  83 _eglLinkContext(_EGLContext *ctx, _EGLDisplay *dpy);
  84
  85
  86 extern void
  87 _eglUnlinkContext(_EGLContext *ctx);
  88
  89
  90 extern EGLContext
  91 _eglGetContextHandle(_EGLContext *ctx);
  92
  93
  94 extern _EGLContext *
  95 _eglLookupContext(EGLContext ctx);
  96
  97
  98 /**
  99  * Return true if the context is linked to a display.
 100  */
 101 static INLINE EGLBoolean
 102 _eglIsContextLinked(_EGLContext *ctx)
 103 {
 104    return (EGLBoolean) (_eglGetContextHandle(ctx) != EGL_NO_CONTEXT);
 105 }
 106
 107 extern EGLSurface
 108 _eglLinkSurface(_EGLSurface *surf, _EGLDisplay *dpy);
 109
 110
 111 extern void
 112 _eglUnlinkSurface(_EGLSurface *surf);
 113
 114
 115 extern EGLSurface
 116 _eglGetSurfaceHandle(_EGLSurface *);
 117
 118
 119 extern _EGLSurface *
 120 _eglLookupSurface(EGLSurface surf);
 121
 122
 123 /**
 124  * Return true if the surface is linked to a display.
 125  */
 126 static INLINE EGLBoolean
 127 _eglIsSurfaceLinked(_EGLSurface *surf)
 128 {
 129    return (EGLBoolean) (_eglGetSurfaceHandle(surf) != EGL_NO_SURFACE);
 130 }
 131
 132
 133 /**
 134  * Cast an unsigned int to a pointer.
 135  */
 136 static INLINE void *
 137 _eglUIntToPointer(unsigned int v)
 138 {
 139    return (void *) ((uintptr_t) v);
 140 }
 141
 142
 143 /**
 144  * Cast a pointer to an unsigned int.  The pointer must be one that is
 145  * returned by _eglUIntToPointer.
 146  */
 147 static INLINE unsigned int
 148 _eglPointerToUInt(const void *p)
 149 {
 150    return (unsigned int) ((uintptr_t) p);
 151 }
 152
 153
 154 #endif /* EGLDISPLAY_INCLUDED */