103 lines
3.3 KiB
C
103 lines
3.3 KiB
C
/*
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* (C) Copyright 2016, NVIDIA CORPORATION.
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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 "Software"),
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* to deal in the Software without restriction, including without limitation
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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* 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 NON-INFRINGEMENT. IN NO EVENT SHALL
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* IBM AND/OR ITS SUPPLIERS 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 DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Kyle Brenneman <kbrenneman@nvidia.com>
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*/
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#include <string.h>
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#include <assert.h>
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#include <glvnd/libeglabi.h>
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#include "eglcurrent.h"
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#include "egldispatchstubs.h"
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#include "eglglobals.h"
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static const __EGLapiExports *__eglGLVNDApiExports = NULL;
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static const char * EGLAPIENTRY
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__eglGLVNDQueryString(EGLDisplay dpy, EGLenum name)
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{
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// For client extensions, return the list of non-platform extensions. The
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// platform extensions are returned by __eglGLVNDGetVendorString.
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if (dpy == EGL_NO_DISPLAY && name == EGL_EXTENSIONS)
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return _eglGlobal.ClientOnlyExtensionString;
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// For everything else, forward to the normal eglQueryString function.
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return eglQueryString(dpy, name);
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}
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static const char *
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__eglGLVNDGetVendorString(int name)
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{
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if (name == __EGL_VENDOR_STRING_PLATFORM_EXTENSIONS)
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return _eglGlobal.PlatformExtensionString;
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return NULL;
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}
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static EGLDisplay
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__eglGLVNDGetPlatformDisplay(EGLenum platform, void *native_display,
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const EGLAttrib *attrib_list)
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{
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if (platform == EGL_NONE) {
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assert(native_display == (void *) EGL_DEFAULT_DISPLAY);
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assert(attrib_list == NULL);
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return eglGetDisplay((EGLNativeDisplayType) native_display);
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} else {
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return eglGetPlatformDisplay(platform, native_display, attrib_list);
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}
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}
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static void *
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__eglGLVNDGetProcAddress(const char *procName)
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{
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if (strcmp(procName, "eglQueryString") == 0)
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return (void *) __eglGLVNDQueryString;
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return (void *) eglGetProcAddress(procName);
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}
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EGLAPI EGLBoolean
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__egl_Main(uint32_t version, const __EGLapiExports *exports,
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__EGLvendorInfo *vendor, __EGLapiImports *imports)
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{
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if (EGL_VENDOR_ABI_GET_MAJOR_VERSION(version) !=
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EGL_VENDOR_ABI_MAJOR_VERSION)
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return EGL_FALSE;
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__eglGLVNDApiExports = exports;
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__eglInitDispatchStubs(exports);
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imports->getPlatformDisplay = __eglGLVNDGetPlatformDisplay;
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imports->getSupportsAPI = _eglIsApiValid;
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imports->getVendorString = __eglGLVNDGetVendorString;
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imports->getProcAddress = __eglGLVNDGetProcAddress;
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imports->getDispatchAddress = __eglDispatchFindDispatchFunction;
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imports->setDispatchIndex = __eglSetDispatchIndex;
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return EGL_TRUE;
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}
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