125 lines
3.7 KiB
C
125 lines
3.7 KiB
C
/*
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* Copyright (c) 2013, NVIDIA CORPORATION.
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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/or associated documentation files (the
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* "Materials"), to deal in the Materials without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Materials, and to
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* permit persons to whom the Materials are 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 shall be included
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* unaltered in all copies or substantial portions of the Materials.
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* Any additions, deletions, or changes to the original source files
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* must be clearly indicated in accompanying documentation.
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*
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* THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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*/
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#if !defined(__LIB_EGL_MAPPING_H)
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#define __LIB_EGL_MAPPING_H
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#include "glvnd_pthread.h"
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#include "libeglabipriv.h"
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#include "GLdispatch.h"
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#include "lkdhash.h"
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#include "libeglvendor.h"
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/*!
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* Structure containing per-display information.
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*/
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typedef struct __EGLdisplayInfoRec {
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EGLDisplay dpy;
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/**
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* The vendor that this display belongs to.
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*/
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__EGLvendorInfo *vendor;
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} __EGLdisplayInfo;
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typedef struct __EGLdeviceInfoRec {
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EGLDeviceEXT handle;
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__EGLvendorInfo *vendor;
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UT_hash_handle hh;
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} __EGLdeviceInfo;
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extern __EGLdeviceInfo *__eglDeviceList;
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extern __EGLdeviceInfo *__eglDeviceHash;
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extern int __eglDeviceCount;
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void __eglThreadInitialize(void);
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/*!
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* Initializes the mapping functions.
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*/
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void __eglMappingInit(void);
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/*!
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* Initializes the EGLDeviceEXT list and hashtable.
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*
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* This function must be called before trying to access the \c __eglDeviceList
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* array.
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*/
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void __eglInitDeviceList(void);
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/*!
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* This handles freeing all mapping state during library teardown
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* or resetting locks on fork recovery.
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*/
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void __eglMappingTeardown(EGLBoolean doReset);
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const __EGLdeviceInfo *__eglGetDeviceList(EGLint *deviceCount);
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/*!
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* Looks up the __EGLdisplayInfo structure for a display. If the display does
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* not exist, then this returns NULL.
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*/
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__EGLdisplayInfo *__eglLookupDisplay(EGLDisplay dpy);
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/*!
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* Adds an EGLDisplay to the display hashtable.
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*
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* If \p dpy is not already in the table, then this will create a new
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* __EGLdisplayInfo struct for it and add it to the table.
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*
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* If \p dpy is already in the table, then it will return the existing
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* __EGLdisplayInfo struct for it.
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*/
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__EGLdisplayInfo *__eglAddDisplay(EGLDisplay dpy, __EGLvendorInfo *vendor);
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/*!
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* Frees the __EGLdisplayInfo structure for a display, if one exists.
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*/
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void __eglFreeDisplay(EGLDisplay dpy);
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__EGLvendorInfo *__eglGetVendorFromDisplay(EGLDisplay dpy);
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/*!
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* Looks up a dispatch function.
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*
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* procName can be an EGL or OpenGL function.
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*/
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__eglMustCastToProperFunctionPointerType __eglGetEGLDispatchAddress(const char *procName);
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__eglMustCastToProperFunctionPointerType __eglFetchDispatchEntry(__EGLvendorInfo *vendor, int index);
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__EGLvendorInfo *__eglGetVendorFromDevice(EGLDeviceEXT dev);
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void __eglSetError(EGLint errorCode);
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EGLBoolean __eglSetLastVendor(__EGLvendorInfo *vendor);
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/*!
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* This is called at the beginning of every EGL function.
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*/
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void __eglEntrypointCommon(void);
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#endif /* __LIB_EGL_MAPPING_H */
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