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#ifndef EGLDISPLAY_INCLUDED
#define EGLDISPLAY_INCLUDED
#include "egltypedefs.h"
#include "egldefines.h"
enum _egl_resource_type {
_EGL_RESOURCE_CONTEXT,
_EGL_RESOURCE_SURFACE,
_EGL_RESOURCE_IMAGE,
_EGL_NUM_RESOURCES
};
/**
* A resource of a display.
*/
struct _egl_resource
{
/* which display the resource belongs to */
_EGLDisplay *Display;
EGLBoolean IsLinked;
/* used to link resources of the same type */
_EGLResource *Next;
};
/**
* Optional EGL extensions info.
*/
struct _egl_extensions
{
EGLBoolean MESA_screen_surface;
EGLBoolean MESA_copy_context;
EGLBoolean KHR_image_base;
EGLBoolean KHR_image_pixmap;
char String[_EGL_MAX_EXTENSIONS_LEN];
};
struct _egl_display
{
/* used to link displays */
_EGLDisplay *Next;
EGLNativeDisplayType NativeDisplay;
_EGLDriver *Driver;
void *DriverData; /* private to driver */
int APImajor, APIminor; /**< as returned by eglInitialize() */
char Version[1000]; /**< initialized from APImajor/minor, DriverName */
/** Bitmask of supported APIs (EGL_xx_BIT) set by the driver during init */
EGLint ClientAPIsMask;
char ClientAPIs[1000]; /**< updated by eglQueryString */
_EGLExtensions Extensions;
int LargestPbuffer;
EGLint NumScreens;
_EGLScreen **Screens; /* array [NumScreens] */
EGLint MaxConfigs;
EGLint NumConfigs;
_EGLConfig **Configs; /* array [NumConfigs] of ptr to _EGLConfig */
/* lists of resources */
_EGLResource *ResourceLists[_EGL_NUM_RESOURCES];
};
extern void
_eglFiniDisplay(void);
extern _EGLDisplay *
_eglNewDisplay(EGLNativeDisplayType displayName);
extern EGLDisplay
_eglLinkDisplay(_EGLDisplay *dpy);
extern void
_eglUnlinkDisplay(_EGLDisplay *dpy);
extern _EGLDisplay *
_eglFindDisplay(EGLNativeDisplayType nativeDisplay);
PUBLIC void
_eglReleaseDisplayResources(_EGLDriver *drv, _EGLDisplay *dpy);
PUBLIC void
_eglCleanupDisplay(_EGLDisplay *disp);
#ifndef _EGL_SKIP_HANDLE_CHECK
extern EGLBoolean
_eglCheckDisplayHandle(EGLDisplay dpy);
PUBLIC EGLBoolean
_eglCheckResource(void *res, _EGLResourceType type, _EGLDisplay *dpy);
#else /* !_EGL_SKIP_HANDLE_CHECK */
/* Only do a quick check. This is NOT standard compliant. */
static INLINE EGLBoolean
_eglCheckDisplayHandle(EGLDisplay dpy)
{
return ((_EGLDisplay *) dpy != NULL);
}
static INLINE EGLBoolean
_eglCheckResource(void *res, _EGLResourceType type, _EGLDisplay *dpy);
{
return (((_EGLResource *) res)->Display == dpy);
}
#endif /* _EGL_SKIP_HANDLE_CHECK */
/**
* Lookup a handle to find the linked display.
* Return NULL if the handle has no corresponding linked display.
*/
static INLINE _EGLDisplay *
_eglLookupDisplay(EGLDisplay display)
{
_EGLDisplay *dpy = (_EGLDisplay *) display;
if (!_eglCheckDisplayHandle(display))
dpy = NULL;
return dpy;
}
/**
* Return the handle of a linked display, or EGL_NO_DISPLAY.
*/
static INLINE EGLDisplay
_eglGetDisplayHandle(_EGLDisplay *dpy)
{
return (EGLDisplay) ((dpy) ? dpy : EGL_NO_DISPLAY);
}
/**
* Return true if the display is linked.
*/
static INLINE EGLBoolean
_eglIsDisplayLinked(_EGLDisplay *dpy)
{
return (EGLBoolean) (_eglGetDisplayHandle(dpy) != EGL_NO_DISPLAY);
}
extern void
_eglLinkResource(_EGLResource *res, _EGLResourceType type, _EGLDisplay *dpy);
extern void
_eglUnlinkResource(_EGLResource *res, _EGLResourceType type);
/**
* Return true if the resource is linked.
*/
static INLINE EGLBoolean
_eglIsResourceLinked(_EGLResource *res)
{
return res->IsLinked;
}
#endif /* EGLDISPLAY_INCLUDED */
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