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#include <assert.h>
#include <string.h>
#include "eglimage.h"
#include "eglcurrent.h"
#include "egllog.h"
#ifdef EGL_KHR_image_base
/**
* Parse the list of image attributes and return the proper error code.
*/
static EGLint
_eglParseImageAttribList(_EGLImage *img, const EGLint *attrib_list)
{
EGLint i, err = EGL_SUCCESS;
if (!attrib_list)
return EGL_SUCCESS;
for (i = 0; attrib_list[i] != EGL_NONE; i++) {
EGLint attr = attrib_list[i++];
EGLint val = attrib_list[i];
switch (attr) {
case EGL_IMAGE_PRESERVED_KHR:
img->Preserved = val;
break;
case EGL_GL_TEXTURE_LEVEL_KHR:
img->GLTextureLevel = val;
break;
case EGL_GL_TEXTURE_ZOFFSET_KHR:
img->GLTextureZOffset = val;
break;
default:
/* unknown attrs are ignored */
break;
}
if (err != EGL_SUCCESS) {
_eglLog(_EGL_DEBUG, "bad image attribute 0x%04x", attr);
break;
}
}
return err;
}
EGLBoolean
_eglInitImage(_EGLImage *img, _EGLDisplay *dpy, const EGLint *attrib_list)
{
EGLint err;
memset(img, 0, sizeof(_EGLImage));
img->Resource.Display = dpy;
img->Preserved = EGL_FALSE;
img->GLTextureLevel = 0;
img->GLTextureZOffset = 0;
err = _eglParseImageAttribList(img, attrib_list);
if (err != EGL_SUCCESS)
return _eglError(err, "eglCreateImageKHR");
return EGL_TRUE;
}
_EGLImage *
_eglCreateImageKHR(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
EGLenum target, EGLClientBuffer buffer,
const EGLint *attr_list)
{
/* driver should override this function */
return NULL;
}
EGLBoolean
_eglDestroyImageKHR(_EGLDriver *drv, _EGLDisplay *dpy, _EGLImage *image)
{
/* driver should override this function */
return EGL_FALSE;
}
#endif /* EGL_KHR_image_base */
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