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/**************************************************************************
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 *
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 * Copyright 2009-2010 Chia-I Wu 
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 * Copyright 2010-2011 LunarG, Inc.
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 * All Rights Reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the
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 * "Software"), to deal in the Software without restriction, including
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 * without limitation the rights to use, copy, modify, merge, publish,
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 * distribute, sub license, and/or sell copies of the Software, and to
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 * permit persons to whom the Software is furnished to do so, subject to
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 * the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the
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 * next paragraph) shall be included in all copies or substantial portions
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 * of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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 * DEALINGS IN THE SOFTWARE.
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 *
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 **************************************************************************/
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#ifndef EGLIMAGE_INCLUDED
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#define EGLIMAGE_INCLUDED
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#include "c99_compat.h"
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#include "egltypedefs.h"
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#include "egldisplay.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct _egl_image_attrib_int
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{
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   EGLint Value;
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   EGLBoolean IsPresent;
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};
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struct _egl_image_attribs
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{
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   /* EGL_KHR_image_base */
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   EGLBoolean ImagePreserved;
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   /* EGL_KHR_gl_image */
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   EGLint GLTextureLevel;
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   EGLint GLTextureZOffset;
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   /* EGL_MESA_drm_image */
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   EGLint Width;
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   EGLint Height;
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   EGLint DRMBufferFormatMESA;
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   EGLint DRMBufferUseMESA;
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   EGLint DRMBufferStrideMESA;
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   /* EGL_WL_bind_wayland_display */
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   EGLint PlaneWL;
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   /* EGL_EXT_image_dma_buf_import */
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   struct _egl_image_attrib_int DMABufFourCC;
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   struct _egl_image_attrib_int DMABufPlaneFds[3];
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   struct _egl_image_attrib_int DMABufPlaneOffsets[3];
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   struct _egl_image_attrib_int DMABufPlanePitches[3];
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   struct _egl_image_attrib_int DMABufYuvColorSpaceHint;
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   struct _egl_image_attrib_int DMABufSampleRangeHint;
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   struct _egl_image_attrib_int DMABufChromaHorizontalSiting;
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   struct _egl_image_attrib_int DMABufChromaVerticalSiting;
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};
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/**
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 * "Base" class for device driver images.
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 */
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struct _egl_image
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{
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   /* An image is a display resource */
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   _EGLResource Resource;
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};
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extern EGLint
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_eglParseImageAttribList(_EGLImageAttribs *attrs, _EGLDisplay *dpy,
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                         const EGLint *attrib_list);
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extern EGLBoolean
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_eglInitImage(_EGLImage *img, _EGLDisplay *dpy);
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/**
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 * Increment reference count for the image.
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 */
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static inline _EGLImage *
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_eglGetImage(_EGLImage *img)
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{
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   if (img)
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      _eglGetResource(&img->Resource);
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   return img;
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}
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/**
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 * Decrement reference count for the image.
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 */
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static inline EGLBoolean
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_eglPutImage(_EGLImage *img)
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{
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   return (img) ? _eglPutResource(&img->Resource) : EGL_FALSE;
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}
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/**
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 * Link an image to its display and return the handle of the link.
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 * The handle can be passed to client directly.
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 */
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static inline EGLImageKHR
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_eglLinkImage(_EGLImage *img)
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{
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   _eglLinkResource(&img->Resource, _EGL_RESOURCE_IMAGE);
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   return (EGLImageKHR) img;
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}
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/**
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 * Unlink a linked image from its display.
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 * Accessing an unlinked image should generate EGL_BAD_PARAMETER error.
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 */
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static inline void
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_eglUnlinkImage(_EGLImage *img)
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{
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   _eglUnlinkResource(&img->Resource, _EGL_RESOURCE_IMAGE);
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}
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/**
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 * Lookup a handle to find the linked image.
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 * Return NULL if the handle has no corresponding linked image.
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 */
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static inline _EGLImage *
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_eglLookupImage(EGLImageKHR image, _EGLDisplay *dpy)
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{
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   _EGLImage *img = (_EGLImage *) image;
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   if (!dpy || !_eglCheckResource((void *) img, _EGL_RESOURCE_IMAGE, dpy))
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      img = NULL;
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   return img;
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}
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/**
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 * Return the handle of a linked image, or EGL_NO_IMAGE_KHR.
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 */
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static inline EGLImageKHR
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_eglGetImageHandle(_EGLImage *img)
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{
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   _EGLResource *res = (_EGLResource *) img;
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   return (res && _eglIsResourceLinked(res)) ?
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      (EGLImageKHR) img : EGL_NO_IMAGE_KHR;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* EGLIMAGE_INCLUDED */