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#ifndef EGLIMAGE_INCLUDED
#define EGLIMAGE_INCLUDED
#include "egltypedefs.h"
/**
* "Base" class for device driver images.
*/
struct _egl_image
{
/* Client data that client APIs and the driver agree on */
void *ClientData;
/* Managed by EGLDisplay for linking */
_EGLDisplay *Display;
_EGLImage *Next;
EGLBoolean Preserved;
};
extern EGLBoolean
_eglInitImage(_EGLDriver *drv, _EGLImage *img, const EGLint *attrib_list);
extern _EGLImage *
_eglCreateImageKHR(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
EGLenum target, EGLClientBuffer buffer, const EGLint *attr_list);
extern EGLBoolean
_eglDestroyImageKHR(_EGLDriver *drv, _EGLDisplay *dpy, _EGLImage *image);
extern EGLImageKHR
_eglLinkImage(_EGLImage *img, _EGLDisplay *dpy);
extern void
_eglUnlinkImage(_EGLImage *img);
#ifndef _EGL_SKIP_HANDLE_CHECK
extern EGLBoolean
_eglCheckImageHandle(EGLImageKHR img, _EGLDisplay *dpy);
#else
/**
* Perform a quick check on the handle.
*/
static INLINE EGLBoolean
_eglCheckImageHandle(EGLImageKHR img, _EGLDisplay *dpy)
{
_EGLImage *i = (_EGLImage *) img;
return (dpy && i && i->Display == dpy);
}
#endif
/**
* Lookup a handle to find the linked image.
* Return NULL if the handle has no corresponding linked image.
*/
static INLINE _EGLImage *
_eglLookupImage(EGLImageKHR image, _EGLDisplay *dpy)
{
_EGLImage *img = (_EGLImage *) image;
if (!_eglCheckImageHandle(img, dpy))
img = NULL;
return img;
}
/**
* Return the handle of a linked image.
*/
static INLINE EGLImageKHR
_eglGetImageHandle(_EGLImage *img)
{
return (EGLImageKHR) ((img && img->Display) ? img : EGL_NO_IMAGE_KHR);
}
#endif /* EGLIMAGE_INCLUDED */
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