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/**************************************************************************
*
* Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com>
* Copyright 2010-2011 LunarG, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifndef EGLIMAGE_INCLUDED
#define EGLIMAGE_INCLUDED
#include "c99_compat.h"
#include "egltypedefs.h"
#include "egldisplay.h"
#ifdef __cplusplus
extern "C" {
#endif
struct _egl_image_attrib_int
{
EGLint Value;
EGLBoolean IsPresent;
};
#define DMA_BUF_MAX_PLANES 4
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;
/* EGL_WL_bind_wayland_display */
EGLint PlaneWL;
/* EGL_EXT_image_dma_buf_import and
* EGL_EXT_image_dma_buf_import_modifiers */
struct _egl_image_attrib_int DMABufFourCC;
struct _egl_image_attrib_int DMABufPlaneFds[DMA_BUF_MAX_PLANES];
struct _egl_image_attrib_int DMABufPlaneOffsets[DMA_BUF_MAX_PLANES];
struct _egl_image_attrib_int DMABufPlanePitches[DMA_BUF_MAX_PLANES];
struct _egl_image_attrib_int DMABufPlaneModifiersLo[DMA_BUF_MAX_PLANES];
struct _egl_image_attrib_int DMABufPlaneModifiersHi[DMA_BUF_MAX_PLANES];
struct _egl_image_attrib_int DMABufYuvColorSpaceHint;
struct _egl_image_attrib_int DMABufSampleRangeHint;
struct _egl_image_attrib_int DMABufChromaHorizontalSiting;
struct _egl_image_attrib_int DMABufChromaVerticalSiting;
};
/**
* "Base" class for device driver images.
*/
struct _egl_image
{
/* An image is a display resource */
_EGLResource Resource;
};
EGLBoolean
_eglParseImageAttribList(_EGLImageAttribs *attrs, _EGLDisplay *dpy,
const EGLint *attrib_list);
static inline void
_eglInitImage(_EGLImage *img, _EGLDisplay *dpy)
{
_eglInitResource(&img->Resource, sizeof(*img), 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 EGLImage
_eglLinkImage(_EGLImage *img)
{
_eglLinkResource(&img->Resource, _EGL_RESOURCE_IMAGE);
return (EGLImage) 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(EGLImage 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 EGLImage
_eglGetImageHandle(_EGLImage *img)
{
_EGLResource *res = (_EGLResource *) img;
return (res && _eglIsResourceLinked(res)) ?
(EGLImage) img : EGL_NO_IMAGE_KHR;
}
#ifdef __cplusplus
}
#endif
#endif /* EGLIMAGE_INCLUDED */
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