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0dbceda5a6
WGL has its own ARB_robustness implementation which we support with this patch. I was able to confirm that it was correctly being activated and was polling status correctly (i.e. the framework is running), but WGL itself doesn't actually seem to stop the DoS correctly when a robust context is created.
102 lines
4.4 KiB
C++
102 lines
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Bas Schouten <bschouten@mozilla.com>
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* Vladimir Vukicevic <vladimir@pobox.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "GLContext.h"
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namespace mozilla {
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namespace gl {
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class WGLLibrary
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{
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public:
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WGLLibrary() : mInitialized(false), mOGLLibrary(nsnull),
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mHasRobustness(false) {}
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typedef HGLRC (GLAPIENTRY * PFNWGLCREATECONTEXTPROC) (HDC);
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PFNWGLCREATECONTEXTPROC fCreateContext;
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typedef BOOL (GLAPIENTRY * PFNWGLDELETECONTEXTPROC) (HGLRC);
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PFNWGLDELETECONTEXTPROC fDeleteContext;
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typedef BOOL (GLAPIENTRY * PFNWGLMAKECURRENTPROC) (HDC, HGLRC);
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PFNWGLMAKECURRENTPROC fMakeCurrent;
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typedef PROC (GLAPIENTRY * PFNWGLGETPROCADDRESSPROC) (LPCSTR);
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PFNWGLGETPROCADDRESSPROC fGetProcAddress;
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typedef HGLRC (GLAPIENTRY * PFNWGLGETCURRENTCONTEXT) (void);
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PFNWGLGETCURRENTCONTEXT fGetCurrentContext;
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typedef HDC (GLAPIENTRY * PFNWGLGETCURRENTDC) (void);
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PFNWGLGETCURRENTDC fGetCurrentDC;
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typedef BOOL (GLAPIENTRY * PFNWGLSHARELISTS) (HGLRC oldContext, HGLRC newContext);
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PFNWGLSHARELISTS fShareLists;
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typedef HANDLE (WINAPI * PFNWGLCREATEPBUFFERPROC) (HDC hDC, int iPixelFormat, int iWidth, int iHeight, const int* piAttribList);
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PFNWGLCREATEPBUFFERPROC fCreatePbuffer;
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typedef BOOL (WINAPI * PFNWGLDESTROYPBUFFERPROC) (HANDLE hPbuffer);
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PFNWGLDESTROYPBUFFERPROC fDestroyPbuffer;
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typedef HDC (WINAPI * PFNWGLGETPBUFFERDCPROC) (HANDLE hPbuffer);
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PFNWGLGETPBUFFERDCPROC fGetPbufferDC;
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typedef BOOL (WINAPI * PFNWGLBINDTEXIMAGEPROC) (HANDLE hPbuffer, int iBuffer);
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PFNWGLBINDTEXIMAGEPROC fBindTexImage;
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typedef BOOL (WINAPI * PFNWGLRELEASETEXIMAGEPROC) (HANDLE hPbuffer, int iBuffer);
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PFNWGLRELEASETEXIMAGEPROC fReleaseTexImage;
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typedef BOOL (WINAPI * PFNWGLCHOOSEPIXELFORMATPROC) (HDC hdc, const int* piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
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PFNWGLCHOOSEPIXELFORMATPROC fChoosePixelFormat;
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typedef BOOL (WINAPI * PFNWGLGETPIXELFORMATATTRIBIVPROC) (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, int* piAttributes, int *piValues);
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PFNWGLGETPIXELFORMATATTRIBIVPROC fGetPixelFormatAttribiv;
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typedef const char * (WINAPI * PFNWGLGETEXTENSIONSSTRINGPROC) (HDC hdc);
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PFNWGLGETEXTENSIONSSTRINGPROC fGetExtensionsString;
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typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSPROC) (HDC hdc, HGLRC hShareContext, const int *attribList);
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PFNWGLCREATECONTEXTATTRIBSPROC fCreateContextAttribs;
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bool EnsureInitialized();
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bool HasRobustness() const { return mHasRobustness; }
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private:
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bool mInitialized;
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PRLibrary *mOGLLibrary;
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bool mHasRobustness;
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};
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// a global WGLLibrary instance
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extern WGLLibrary sWGLLibrary;
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} /* namespace gl */
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} /* namespace mozilla */
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