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#ifndef EGLIMAGE_INCLUDED
#define EGLIMAGE_INCLUDED
#include "egltypedefs.h"
#include "egldisplay.h"
struct _egl_image_attribs
{
/* EGL_KHR_image_base */
EGLBoolean ImagePreserved;
/* EGL_KHR_gl_image */
EGLint GLTextureLevel;
EGLint GLTextureZOffset;
/* EGL_MESA_drm_image */
EGLint Width;
EGLint Height;
EGLint DRMBufferFormatMESA;
EGLint DRMBufferUseMESA;
EGLint DRMBufferStrideMESA;
};
/**
* "Base" class for device driver images.
*/
struct _egl_image
{
/* An image is a display resource */
_EGLResource Resource;
};
PUBLIC EGLint
_eglParseImageAttribList(_EGLImageAttribs *attrs, _EGLDisplay *dpy,
const EGLint *attrib_list);
PUBLIC EGLBoolean
_eglInitImage(_EGLImage *img, _EGLDisplay *dpy);
/**
* Increment reference count for the image.
*/
static INLINE _EGLImage *
_eglGetImage(_EGLImage *img)
{
if (img)
_eglGetResource(&img->Resource);
return img;
}
/**
* Decrement reference count for the image.
*/
static INLINE EGLBoolean
_eglPutImage(_EGLImage *img)
{
return (img) ? _eglPutResource(&img->Resource) : EGL_FALSE;
}
/**
* Link an image to its display and return the handle of the link.
* The handle can be passed to client directly.
*/
static INLINE EGLImageKHR
_eglLinkImage(_EGLImage *img)
{
_eglLinkResource(&img->Resource, _EGL_RESOURCE_IMAGE);
return (EGLImageKHR) img;
}
/**
* Unlink a linked image from its display.
* Accessing an unlinked image should generate EGL_BAD_PARAMETER error.
*/
static INLINE void
_eglUnlinkImage(_EGLImage *img)
{
_eglUnlinkResource(&img->Resource, _EGL_RESOURCE_IMAGE);
}
/**
* 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 (!dpy || !_eglCheckResource((void *) img, _EGL_RESOURCE_IMAGE, dpy))
img = NULL;
return img;
}
/**
* Return the handle of a linked image, or EGL_NO_IMAGE_KHR.
*/
static INLINE EGLImageKHR
_eglGetImageHandle(_EGLImage *img)
{
_EGLResource *res = (_EGLResource *) img;
return (res && _eglIsResourceLinked(res)) ?
(EGLImageKHR) img : EGL_NO_IMAGE_KHR;
}
#endif /* EGLIMAGE_INCLUDED */
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