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95de3783f6
--HG-- rename : gfx/thebes/src/GLContext.cpp => gfx/thebes/GLContext.cpp rename : gfx/thebes/public/GLContext.h => gfx/thebes/GLContext.h rename : gfx/thebes/public/GLContextProvider.h => gfx/thebes/GLContextProvider.h rename : gfx/thebes/src/GLContextProviderCGL.mm => gfx/thebes/GLContextProviderCGL.mm rename : gfx/thebes/src/GLContextProviderEGL.cpp => gfx/thebes/GLContextProviderEGL.cpp rename : gfx/thebes/src/GLContextProviderGLX.cpp => gfx/thebes/GLContextProviderGLX.cpp rename : gfx/thebes/src/GLContextProviderNull.cpp => gfx/thebes/GLContextProviderNull.cpp rename : gfx/thebes/src/GLContextProviderOSMesa.cpp => gfx/thebes/GLContextProviderOSMesa.cpp rename : gfx/thebes/src/GLContextProviderWGL.cpp => gfx/thebes/GLContextProviderWGL.cpp rename : gfx/thebes/public/GLDefs.h => gfx/thebes/GLDefs.h rename : gfx/thebes/public/GLXLibrary.h => gfx/thebes/GLXLibrary.h rename : gfx/thebes/public/WGLLibrary.h => gfx/thebes/WGLLibrary.h rename : gfx/thebes/src/cairo-gdk-utils.c => gfx/thebes/cairo-gdk-utils.c rename : gfx/thebes/src/cairo-gdk-utils.h => gfx/thebes/cairo-gdk-utils.h rename : gfx/thebes/src/cairo-xlib-utils.c => gfx/thebes/cairo-xlib-utils.c rename : gfx/thebes/src/cairo-xlib-utils.h => gfx/thebes/cairo-xlib-utils.h rename : gfx/thebes/src/genUnicodeScriptData.pl => gfx/thebes/genUnicodeScriptData.pl rename : gfx/thebes/public/gfx3DMatrix.h => gfx/thebes/gfx3DMatrix.h rename : gfx/thebes/src/gfxASurface.cpp => gfx/thebes/gfxASurface.cpp rename : gfx/thebes/public/gfxASurface.h => gfx/thebes/gfxASurface.h rename : gfx/thebes/src/gfxAlphaRecovery.cpp => gfx/thebes/gfxAlphaRecovery.cpp rename : gfx/thebes/public/gfxAlphaRecovery.h => gfx/thebes/gfxAlphaRecovery.h rename : gfx/thebes/src/gfxAndroidPlatform.cpp => gfx/thebes/gfxAndroidPlatform.cpp rename : gfx/thebes/public/gfxAndroidPlatform.h => gfx/thebes/gfxAndroidPlatform.h rename : gfx/thebes/src/gfxAtomList.h => gfx/thebes/gfxAtomList.h rename : gfx/thebes/src/gfxAtoms.cpp => gfx/thebes/gfxAtoms.cpp rename : gfx/thebes/src/gfxAtoms.h => gfx/thebes/gfxAtoms.h rename : gfx/thebes/src/gfxBeOSPlatform.cpp => gfx/thebes/gfxBeOSPlatform.cpp rename : gfx/thebes/public/gfxBeOSPlatform.h => gfx/thebes/gfxBeOSPlatform.h rename : gfx/thebes/src/gfxBeOSSurface.cpp => gfx/thebes/gfxBeOSSurface.cpp rename : gfx/thebes/public/gfxBeOSSurface.h => gfx/thebes/gfxBeOSSurface.h rename : gfx/thebes/public/gfxColor.h => gfx/thebes/gfxColor.h rename : gfx/thebes/src/gfxContext.cpp => gfx/thebes/gfxContext.cpp rename : gfx/thebes/public/gfxContext.h => gfx/thebes/gfxContext.h rename : gfx/thebes/src/gfxCoreTextShaper.cpp => gfx/thebes/gfxCoreTextShaper.cpp rename : gfx/thebes/src/gfxCoreTextShaper.h => gfx/thebes/gfxCoreTextShaper.h rename : gfx/thebes/src/gfxD2DSurface.cpp => gfx/thebes/gfxD2DSurface.cpp rename : gfx/thebes/public/gfxD2DSurface.h => gfx/thebes/gfxD2DSurface.h rename : gfx/thebes/src/gfxDDrawSurface.cpp => gfx/thebes/gfxDDrawSurface.cpp rename : gfx/thebes/public/gfxDDrawSurface.h => gfx/thebes/gfxDDrawSurface.h rename : gfx/thebes/src/gfxDWriteCommon.cpp => gfx/thebes/gfxDWriteCommon.cpp rename : gfx/thebes/src/gfxDWriteCommon.h => gfx/thebes/gfxDWriteCommon.h rename : gfx/thebes/src/gfxDWriteFontList.cpp => gfx/thebes/gfxDWriteFontList.cpp rename : gfx/thebes/src/gfxDWriteFontList.h => gfx/thebes/gfxDWriteFontList.h rename : gfx/thebes/src/gfxDWriteFonts.cpp => gfx/thebes/gfxDWriteFonts.cpp rename : gfx/thebes/public/gfxDWriteFonts.h => gfx/thebes/gfxDWriteFonts.h rename : gfx/thebes/src/gfxDWriteShaper.cpp => gfx/thebes/gfxDWriteShaper.cpp rename : gfx/thebes/src/gfxDWriteShaper.h => gfx/thebes/gfxDWriteShaper.h rename : gfx/thebes/src/gfxDWriteTextAnalysis.cpp => gfx/thebes/gfxDWriteTextAnalysis.cpp rename : gfx/thebes/src/gfxDWriteTextAnalysis.h => gfx/thebes/gfxDWriteTextAnalysis.h rename : gfx/thebes/src/gfxDirectFBSurface.cpp => gfx/thebes/gfxDirectFBSurface.cpp rename : gfx/thebes/public/gfxDirectFBSurface.h => gfx/thebes/gfxDirectFBSurface.h rename : gfx/thebes/src/gfxDllDeps.cpp => gfx/thebes/gfxDllDeps.cpp rename : gfx/thebes/src/gfxFT2FontBase.cpp => gfx/thebes/gfxFT2FontBase.cpp rename : gfx/thebes/public/gfxFT2FontBase.h => gfx/thebes/gfxFT2FontBase.h rename : gfx/thebes/src/gfxFT2FontList.cpp => gfx/thebes/gfxFT2FontList.cpp rename : gfx/thebes/src/gfxFT2FontList.h => gfx/thebes/gfxFT2FontList.h rename : gfx/thebes/src/gfxFT2Fonts.cpp => gfx/thebes/gfxFT2Fonts.cpp rename : gfx/thebes/public/gfxFT2Fonts.h => gfx/thebes/gfxFT2Fonts.h rename : gfx/thebes/src/gfxFT2Utils.cpp => gfx/thebes/gfxFT2Utils.cpp rename : gfx/thebes/src/gfxFT2Utils.h => gfx/thebes/gfxFT2Utils.h rename : gfx/thebes/src/gfxFont.cpp => gfx/thebes/gfxFont.cpp rename : gfx/thebes/public/gfxFont.h => gfx/thebes/gfxFont.h rename : gfx/thebes/public/gfxFontConstants.h => gfx/thebes/gfxFontConstants.h rename : gfx/thebes/src/gfxFontMissingGlyphs.cpp => gfx/thebes/gfxFontMissingGlyphs.cpp rename : gfx/thebes/src/gfxFontMissingGlyphs.h => gfx/thebes/gfxFontMissingGlyphs.h rename : gfx/thebes/src/gfxFontTest.cpp => gfx/thebes/gfxFontTest.cpp rename : gfx/thebes/public/gfxFontTest.h => gfx/thebes/gfxFontTest.h rename : gfx/thebes/src/gfxFontUtils.cpp => gfx/thebes/gfxFontUtils.cpp rename : gfx/thebes/public/gfxFontUtils.h => gfx/thebes/gfxFontUtils.h rename : gfx/thebes/src/gfxFontconfigUtils.cpp => gfx/thebes/gfxFontconfigUtils.cpp rename : gfx/thebes/src/gfxFontconfigUtils.h => gfx/thebes/gfxFontconfigUtils.h rename : gfx/thebes/src/gfxGDIFont.cpp => gfx/thebes/gfxGDIFont.cpp rename : gfx/thebes/src/gfxGDIFont.h => gfx/thebes/gfxGDIFont.h rename : gfx/thebes/src/gfxGDIFontList.cpp => gfx/thebes/gfxGDIFontList.cpp rename : gfx/thebes/src/gfxGDIFontList.h => gfx/thebes/gfxGDIFontList.h rename : gfx/thebes/src/gfxGDIShaper.cpp => gfx/thebes/gfxGDIShaper.cpp rename : gfx/thebes/src/gfxGDIShaper.h => gfx/thebes/gfxGDIShaper.h rename : gfx/thebes/src/gfxGdkNativeRenderer.cpp => gfx/thebes/gfxGdkNativeRenderer.cpp rename : gfx/thebes/public/gfxGdkNativeRenderer.h => gfx/thebes/gfxGdkNativeRenderer.h rename : gfx/thebes/public/gfxGlitzSurface.h => gfx/thebes/gfxGlitzSurface.h rename : gfx/thebes/src/gfxHarfBuzzShaper.cpp => gfx/thebes/gfxHarfBuzzShaper.cpp rename : gfx/thebes/src/gfxHarfBuzzShaper.h => gfx/thebes/gfxHarfBuzzShaper.h rename : gfx/thebes/src/gfxImageSurface.cpp => gfx/thebes/gfxImageSurface.cpp rename : gfx/thebes/public/gfxImageSurface.h => gfx/thebes/gfxImageSurface.h rename : gfx/thebes/src/gfxMacFont.cpp => gfx/thebes/gfxMacFont.cpp rename : gfx/thebes/src/gfxMacFont.h => gfx/thebes/gfxMacFont.h rename : gfx/thebes/src/gfxMacPlatformFontList.h => gfx/thebes/gfxMacPlatformFontList.h rename : gfx/thebes/src/gfxMacPlatformFontList.mm => gfx/thebes/gfxMacPlatformFontList.mm rename : gfx/thebes/src/gfxMatrix.cpp => gfx/thebes/gfxMatrix.cpp rename : gfx/thebes/public/gfxMatrix.h => gfx/thebes/gfxMatrix.h rename : gfx/thebes/src/gfxOS2Fonts.cpp => gfx/thebes/gfxOS2Fonts.cpp rename : gfx/thebes/public/gfxOS2Fonts.h => gfx/thebes/gfxOS2Fonts.h rename : gfx/thebes/src/gfxOS2Platform.cpp => gfx/thebes/gfxOS2Platform.cpp rename : gfx/thebes/public/gfxOS2Platform.h => gfx/thebes/gfxOS2Platform.h rename : gfx/thebes/src/gfxOS2Surface.cpp => gfx/thebes/gfxOS2Surface.cpp rename : gfx/thebes/public/gfxOS2Surface.h => gfx/thebes/gfxOS2Surface.h rename : gfx/thebes/src/gfxPDFSurface.cpp => gfx/thebes/gfxPDFSurface.cpp rename : gfx/thebes/public/gfxPDFSurface.h => gfx/thebes/gfxPDFSurface.h rename : gfx/thebes/src/gfxPSSurface.cpp => gfx/thebes/gfxPSSurface.cpp rename : gfx/thebes/public/gfxPSSurface.h => gfx/thebes/gfxPSSurface.h rename : gfx/thebes/src/gfxPangoFonts.cpp => gfx/thebes/gfxPangoFonts.cpp rename : gfx/thebes/public/gfxPangoFonts.h => gfx/thebes/gfxPangoFonts.h rename : gfx/thebes/src/gfxPath.cpp => gfx/thebes/gfxPath.cpp rename : gfx/thebes/public/gfxPath.h => gfx/thebes/gfxPath.h rename : gfx/thebes/src/gfxPattern.cpp => gfx/thebes/gfxPattern.cpp rename : gfx/thebes/public/gfxPattern.h => gfx/thebes/gfxPattern.h rename : gfx/thebes/src/gfxPlatform.cpp => gfx/thebes/gfxPlatform.cpp rename : gfx/thebes/public/gfxPlatform.h => gfx/thebes/gfxPlatform.h rename : gfx/thebes/src/gfxPlatformFontList.cpp => gfx/thebes/gfxPlatformFontList.cpp rename : gfx/thebes/src/gfxPlatformFontList.h => gfx/thebes/gfxPlatformFontList.h rename : gfx/thebes/src/gfxPlatformGtk.cpp => gfx/thebes/gfxPlatformGtk.cpp rename : gfx/thebes/public/gfxPlatformGtk.h => gfx/thebes/gfxPlatformGtk.h rename : gfx/thebes/src/gfxPlatformMac.cpp => gfx/thebes/gfxPlatformMac.cpp rename : gfx/thebes/public/gfxPlatformMac.h => gfx/thebes/gfxPlatformMac.h rename : gfx/thebes/public/gfxPoint.h => gfx/thebes/gfxPoint.h rename : gfx/thebes/src/gfxQPainterSurface.cpp => gfx/thebes/gfxQPainterSurface.cpp rename : gfx/thebes/public/gfxQPainterSurface.h => gfx/thebes/gfxQPainterSurface.h rename : gfx/thebes/src/gfxQtNativeRenderer.cpp => gfx/thebes/gfxQtNativeRenderer.cpp rename : gfx/thebes/public/gfxQtNativeRenderer.h => gfx/thebes/gfxQtNativeRenderer.h rename : gfx/thebes/src/gfxQtPlatform.cpp => gfx/thebes/gfxQtPlatform.cpp rename : gfx/thebes/public/gfxQtPlatform.h => gfx/thebes/gfxQtPlatform.h rename : gfx/thebes/src/gfxQuartzImageSurface.cpp => gfx/thebes/gfxQuartzImageSurface.cpp rename : gfx/thebes/public/gfxQuartzImageSurface.h => gfx/thebes/gfxQuartzImageSurface.h rename : gfx/thebes/src/gfxQuartzNativeDrawing.cpp => gfx/thebes/gfxQuartzNativeDrawing.cpp rename : gfx/thebes/public/gfxQuartzNativeDrawing.h => gfx/thebes/gfxQuartzNativeDrawing.h rename : gfx/thebes/src/gfxQuartzPDFSurface.cpp => gfx/thebes/gfxQuartzPDFSurface.cpp rename : gfx/thebes/public/gfxQuartzPDFSurface.h => gfx/thebes/gfxQuartzPDFSurface.h rename : gfx/thebes/src/gfxQuartzSurface.cpp => gfx/thebes/gfxQuartzSurface.cpp rename : gfx/thebes/public/gfxQuartzSurface.h => gfx/thebes/gfxQuartzSurface.h rename : gfx/thebes/src/gfxRect.cpp => gfx/thebes/gfxRect.cpp rename : gfx/thebes/public/gfxRect.h => gfx/thebes/gfxRect.h rename : gfx/thebes/src/gfxScriptItemizer.cpp => gfx/thebes/gfxScriptItemizer.cpp rename : gfx/thebes/src/gfxScriptItemizer.h => gfx/thebes/gfxScriptItemizer.h rename : gfx/thebes/src/gfxSharedImageSurface.cpp => gfx/thebes/gfxSharedImageSurface.cpp rename : gfx/thebes/public/gfxSharedImageSurface.h => gfx/thebes/gfxSharedImageSurface.h rename : gfx/thebes/src/gfxSkipChars.cpp => gfx/thebes/gfxSkipChars.cpp rename : gfx/thebes/public/gfxSkipChars.h => gfx/thebes/gfxSkipChars.h rename : gfx/thebes/src/gfxTextRunCache.cpp => gfx/thebes/gfxTextRunCache.cpp rename : gfx/thebes/public/gfxTextRunCache.h => gfx/thebes/gfxTextRunCache.h rename : gfx/thebes/src/gfxTextRunWordCache.cpp => gfx/thebes/gfxTextRunWordCache.cpp rename : gfx/thebes/public/gfxTextRunWordCache.h => gfx/thebes/gfxTextRunWordCache.h rename : gfx/thebes/public/gfxTypes.h => gfx/thebes/gfxTypes.h rename : gfx/thebes/src/gfxUnicodeProperties.cpp => gfx/thebes/gfxUnicodeProperties.cpp rename : gfx/thebes/src/gfxUnicodeProperties.h => gfx/thebes/gfxUnicodeProperties.h rename : gfx/thebes/src/gfxUnicodePropertyData.cpp => gfx/thebes/gfxUnicodePropertyData.cpp rename : gfx/thebes/src/gfxUniscribeShaper.cpp => gfx/thebes/gfxUniscribeShaper.cpp rename : gfx/thebes/src/gfxUniscribeShaper.h => gfx/thebes/gfxUniscribeShaper.h rename : gfx/thebes/src/gfxUserFontSet.cpp => gfx/thebes/gfxUserFontSet.cpp rename : gfx/thebes/public/gfxUserFontSet.h => gfx/thebes/gfxUserFontSet.h rename : gfx/thebes/src/gfxUtils.cpp => gfx/thebes/gfxUtils.cpp rename : gfx/thebes/public/gfxUtils.h => gfx/thebes/gfxUtils.h rename : gfx/thebes/src/gfxWindowsNativeDrawing.cpp => gfx/thebes/gfxWindowsNativeDrawing.cpp rename : gfx/thebes/public/gfxWindowsNativeDrawing.h => gfx/thebes/gfxWindowsNativeDrawing.h rename : gfx/thebes/src/gfxWindowsPlatform.cpp => gfx/thebes/gfxWindowsPlatform.cpp rename : gfx/thebes/public/gfxWindowsPlatform.h => gfx/thebes/gfxWindowsPlatform.h rename : gfx/thebes/src/gfxWindowsSurface.cpp => gfx/thebes/gfxWindowsSurface.cpp rename : gfx/thebes/public/gfxWindowsSurface.h => gfx/thebes/gfxWindowsSurface.h rename : gfx/thebes/src/gfxXlibNativeRenderer.cpp => gfx/thebes/gfxXlibNativeRenderer.cpp rename : gfx/thebes/public/gfxXlibNativeRenderer.h => gfx/thebes/gfxXlibNativeRenderer.h rename : gfx/thebes/src/gfxXlibSurface.cpp => gfx/thebes/gfxXlibSurface.cpp rename : gfx/thebes/public/gfxXlibSurface.h => gfx/thebes/gfxXlibSurface.h rename : gfx/thebes/src/ignorable.x-ccmap => gfx/thebes/ignorable.x-ccmap rename : gfx/thebes/src/nsUnicodeRange.cpp => gfx/thebes/nsUnicodeRange.cpp rename : gfx/thebes/src/nsUnicodeRange.h => gfx/thebes/nsUnicodeRange.h rename : gfx/thebes/src/woff-private.h => gfx/thebes/woff-private.h rename : gfx/thebes/src/woff.c => gfx/thebes/woff.c rename : gfx/thebes/src/woff.h => gfx/thebes/woff.h
423 lines
14 KiB
C++
423 lines
14 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 "GLContextProvider.h"
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#include "GLContext.h"
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#include "nsDebug.h"
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#include "nsIWidget.h"
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#include "WGLLibrary.h"
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#include "gfxASurface.h"
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namespace mozilla {
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namespace gl {
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GLContextProvider sGLContextProvider;
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WGLLibrary sWGLLibrary;
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static HWND gDummyWindow = 0;
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static HDC gDummyWindowDC = 0;
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static HANDLE gDummyWindowGLContext = 0;
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PRBool
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WGLLibrary::EnsureInitialized()
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{
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if (mInitialized)
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return PR_TRUE;
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if (!mOGLLibrary) {
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mOGLLibrary = PR_LoadLibrary("Opengl32.dll");
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if (!mOGLLibrary) {
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NS_WARNING("Couldn't load OpenGL DLL.");
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return PR_FALSE;
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}
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}
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LibrarySymbolLoader::SymLoadStruct earlySymbols[] = {
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{ (PRFuncPtr*) &fCreateContext, { "wglCreateContext", NULL } },
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{ (PRFuncPtr*) &fMakeCurrent, { "wglMakeCurrent", NULL } },
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{ (PRFuncPtr*) &fGetProcAddress, { "wglGetProcAddress", NULL } },
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{ (PRFuncPtr*) &fDeleteContext, { "wglDeleteContext", NULL } },
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{ (PRFuncPtr*) &fGetCurrentContext, { "wglGetCurrentContext", NULL } },
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{ (PRFuncPtr*) &fGetCurrentDC, { "wglGetCurrentDC", NULL } },
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{ NULL, { NULL } }
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};
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if (!LibrarySymbolLoader::LoadSymbols(mOGLLibrary, &earlySymbols[0])) {
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NS_WARNING("Couldn't find required entry points in OpenGL DLL (early init)");
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return PR_FALSE;
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}
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// This is ridiculous -- we have to actually create a context to get the OpenGL
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// ICD to load.
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WNDCLASSW wc;
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if (!GetClassInfoW(GetModuleHandle(NULL), L"DummyGLWindowClass", &wc)) {
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ZeroMemory(&wc, sizeof(WNDCLASSW));
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wc.hInstance = GetModuleHandle(NULL);
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wc.lpfnWndProc = DefWindowProc;
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wc.lpszClassName = L"DummyGLWindowClass";
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if (!RegisterClassW(&wc)) {
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NS_WARNING("Failed to register DummyGLWindowClass?!");
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// er. failed to register our class?
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return PR_FALSE;
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}
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}
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gDummyWindow = CreateWindowW(L"DummyGLWindowClass", L"DummyGLWindow", 0,
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CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
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CW_USEDEFAULT, NULL, NULL, GetModuleHandle(NULL), NULL);
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if (!gDummyWindow) {
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NS_WARNING("CreateWindow DummyGLWindow failed");
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return PR_FALSE;
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}
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gDummyWindowDC = GetDC(gDummyWindow);
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if (!gDummyWindowDC) {
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NS_WARNING("GetDC gDummyWindow failed");
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return PR_FALSE;
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}
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// find default pixel format
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PIXELFORMATDESCRIPTOR pfd;
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ZeroMemory(&pfd, sizeof(PIXELFORMATDESCRIPTOR));
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pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
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pfd.nVersion = 1;
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pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
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int pixelformat = ChoosePixelFormat(gDummyWindowDC, &pfd);
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// set the pixel format for the dc
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if (!SetPixelFormat(gDummyWindowDC, pixelformat, &pfd)) {
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NS_WARNING("SetPixelFormat failed");
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return PR_FALSE;
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}
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// create rendering context
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gDummyWindowGLContext = fCreateContext(gDummyWindowDC);
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if (!gDummyWindowGLContext) {
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NS_WARNING("wglCreateContext failed");
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return PR_FALSE;
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}
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HGLRC curCtx = fGetCurrentContext();
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HDC curDC = fGetCurrentDC();
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if (!fMakeCurrent((HDC)gDummyWindowDC, (HGLRC)gDummyWindowGLContext)) {
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NS_WARNING("wglMakeCurrent failed");
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return PR_FALSE;
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}
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// Now we can grab all the other symbols that we couldn't without having
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// a context current.
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LibrarySymbolLoader::SymLoadStruct pbufferSymbols[] = {
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{ (PRFuncPtr*) &fCreatePbuffer, { "wglCreatePbufferARB", "wglCreatePbufferEXT", NULL } },
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{ (PRFuncPtr*) &fDestroyPbuffer, { "wglDestroyPbufferARB", "wglDestroyPbufferEXT", NULL } },
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{ (PRFuncPtr*) &fGetPbufferDC, { "wglGetPbufferDCARB", "wglGetPbufferDCEXT", NULL } },
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{ (PRFuncPtr*) &fBindTexImage, { "wglBindTexImageARB", "wglBindTexImageEXT", NULL } },
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{ (PRFuncPtr*) &fReleaseTexImage, { "wglReleaseTexImageARB", "wglReleaseTexImageEXT", NULL } },
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{ NULL, { NULL } }
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};
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LibrarySymbolLoader::SymLoadStruct pixFmtSymbols[] = {
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{ (PRFuncPtr*) &fChoosePixelFormat, { "wglChoosePixelFormatARB", "wglChoosePixelFormatEXT", NULL } },
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{ (PRFuncPtr*) &fGetPixelFormatAttribiv, { "wglGetPixelFormatAttribivARB", "wglGetPixelFormatAttribivEXT", NULL } },
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{ NULL, { NULL } }
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};
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if (!LibrarySymbolLoader::LoadSymbols(mOGLLibrary, &pbufferSymbols[0],
|
|
(LibrarySymbolLoader::PlatformLookupFunction)fGetProcAddress))
|
|
{
|
|
// this isn't an error, just means that pbuffers aren't supported
|
|
fCreatePbuffer = nsnull;
|
|
}
|
|
|
|
if (!LibrarySymbolLoader::LoadSymbols(mOGLLibrary, &pixFmtSymbols[0],
|
|
(LibrarySymbolLoader::PlatformLookupFunction)fGetProcAddress))
|
|
{
|
|
// this isn't an error, just means that we don't have the pixel format extension
|
|
fChoosePixelFormat = nsnull;
|
|
}
|
|
|
|
// reset back to the previous context, just in case
|
|
fMakeCurrent(curDC, curCtx);
|
|
|
|
mInitialized = PR_TRUE;
|
|
return PR_TRUE;
|
|
}
|
|
|
|
class GLContextWGL : public GLContext
|
|
{
|
|
public:
|
|
GLContextWGL(HDC aDC, HGLRC aContext)
|
|
: mContext(aContext), mDC(aDC), mPBuffer(nsnull), mPixelFormat(-1)
|
|
{ }
|
|
|
|
GLContextWGL(HANDLE aPBuffer, int aPixelFormat) {
|
|
mPBuffer = aPBuffer;
|
|
mPixelFormat = aPixelFormat;
|
|
mDC = sWGLLibrary.fGetPbufferDC(mPBuffer);
|
|
mContext = sWGLLibrary.fCreateContext(mDC);
|
|
}
|
|
|
|
~GLContextWGL()
|
|
{
|
|
sWGLLibrary.fDeleteContext(mContext);
|
|
|
|
if (mPBuffer)
|
|
sWGLLibrary.fDestroyPbuffer(mPBuffer);
|
|
}
|
|
|
|
PRBool Init()
|
|
{
|
|
MakeCurrent();
|
|
SetupLookupFunction();
|
|
return InitWithPrefix("gl", PR_TRUE);
|
|
}
|
|
|
|
PRBool MakeCurrent()
|
|
{
|
|
BOOL succeeded = PR_TRUE;
|
|
|
|
// wglGetCurrentContext seems to just pull the HGLRC out
|
|
// of its TLS slot, so no need to do our own tls slot.
|
|
// You would think that wglMakeCurrent would avoid doing
|
|
// work if mContext was already current, but not so much..
|
|
if (sWGLLibrary.fGetCurrentContext() != mContext) {
|
|
succeeded = sWGLLibrary.fMakeCurrent(mDC, mContext);
|
|
NS_ASSERTION(succeeded, "Failed to make GL context current!");
|
|
}
|
|
|
|
return succeeded;
|
|
}
|
|
|
|
PRBool SetupLookupFunction()
|
|
{
|
|
mLookupFunc = (PlatformLookupFunction)sWGLLibrary.fGetProcAddress;
|
|
return PR_TRUE;
|
|
}
|
|
|
|
void *GetNativeData(NativeDataType aType)
|
|
{
|
|
switch (aType) {
|
|
case NativeGLContext:
|
|
return mContext;
|
|
|
|
case NativePBuffer:
|
|
return mPBuffer;
|
|
|
|
default:
|
|
return nsnull;
|
|
}
|
|
}
|
|
|
|
PRBool Resize(const gfxIntSize& aNewSize) {
|
|
if (!mPBuffer)
|
|
return PR_FALSE;
|
|
|
|
nsTArray<int> pbattribs;
|
|
pbattribs.AppendElement(LOCAL_WGL_TEXTURE_FORMAT_ARB);
|
|
// XXX fixme after bug 571092 lands and we have the format available
|
|
if (true /*aFormat.alpha > 0*/) {
|
|
pbattribs.AppendElement(LOCAL_WGL_TEXTURE_RGBA_ARB);
|
|
} else {
|
|
pbattribs.AppendElement(LOCAL_WGL_TEXTURE_RGB_ARB);
|
|
}
|
|
pbattribs.AppendElement(LOCAL_WGL_TEXTURE_TARGET_ARB);
|
|
pbattribs.AppendElement(LOCAL_WGL_TEXTURE_2D_ARB);
|
|
|
|
pbattribs.AppendElement(0);
|
|
|
|
HANDLE newbuf = sWGLLibrary.fCreatePbuffer(gDummyWindowDC, mPixelFormat,
|
|
aNewSize.width, aNewSize.height,
|
|
pbattribs.Elements());
|
|
if (!newbuf)
|
|
return PR_FALSE;
|
|
|
|
bool isCurrent = false;
|
|
if (sWGLLibrary.fGetCurrentContext() == mContext) {
|
|
sWGLLibrary.fMakeCurrent(NULL, NULL);
|
|
isCurrent = true;
|
|
}
|
|
|
|
// hey, it worked!
|
|
sWGLLibrary.fDestroyPbuffer(mPBuffer);
|
|
|
|
mPBuffer = newbuf;
|
|
mDC = sWGLLibrary.fGetPbufferDC(mPBuffer);
|
|
|
|
if (isCurrent)
|
|
MakeCurrent();
|
|
|
|
return PR_TRUE;
|
|
}
|
|
|
|
private:
|
|
HGLRC mContext;
|
|
HDC mDC;
|
|
HANDLE mPBuffer;
|
|
int mPixelFormat;
|
|
};
|
|
|
|
already_AddRefed<GLContext>
|
|
GLContextProvider::CreateForWindow(nsIWidget *aWidget)
|
|
{
|
|
if (!sWGLLibrary.EnsureInitialized()) {
|
|
return nsnull;
|
|
}
|
|
/**
|
|
* We need to make sure we call SetPixelFormat -after- calling
|
|
* EnsureInitialized, otherwise it can load/unload the dll and
|
|
* wglCreateContext will fail.
|
|
*/
|
|
|
|
HDC dc = (HDC)aWidget->GetNativeData(NS_NATIVE_GRAPHIC);
|
|
|
|
PIXELFORMATDESCRIPTOR pfd;
|
|
ZeroMemory(&pfd, sizeof(pfd));
|
|
|
|
pfd.nSize = sizeof(pfd);
|
|
pfd.nVersion = 1;
|
|
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
|
|
pfd.iPixelType = PFD_TYPE_RGBA;
|
|
pfd.cColorBits = 32;
|
|
pfd.cDepthBits = 0;
|
|
pfd.iLayerType = PFD_MAIN_PLANE;
|
|
int iFormat = ChoosePixelFormat(dc, &pfd);
|
|
|
|
SetPixelFormat(dc, iFormat, &pfd);
|
|
HGLRC context = sWGLLibrary.fCreateContext(dc);
|
|
if (!context) {
|
|
return nsnull;
|
|
}
|
|
|
|
nsRefPtr<GLContextWGL> glContext = new GLContextWGL(dc, context);
|
|
glContext->Init();
|
|
|
|
return glContext.forget().get();
|
|
}
|
|
|
|
already_AddRefed<GLContext>
|
|
GLContextProvider::CreatePBuffer(const gfxIntSize& aSize, const ContextFormat& aFormat)
|
|
{
|
|
if (!sWGLLibrary.EnsureInitialized()) {
|
|
return nsnull;
|
|
}
|
|
|
|
nsTArray<int> attribs;
|
|
|
|
#define A1_(_x) do { attribs.AppendElement(_x); } while(0)
|
|
#define A2_(_x,_y) do { \
|
|
attribs.AppendElement(_x); \
|
|
attribs.AppendElement(_y); \
|
|
} while(0)
|
|
|
|
A2_(LOCAL_WGL_SUPPORT_OPENGL_ARB, LOCAL_GL_TRUE);
|
|
A2_(LOCAL_WGL_DRAW_TO_PBUFFER_ARB, LOCAL_GL_TRUE);
|
|
A2_(LOCAL_WGL_DOUBLE_BUFFER_ARB, LOCAL_GL_FALSE);
|
|
|
|
A2_(LOCAL_WGL_ACCELERATION_ARB, LOCAL_WGL_FULL_ACCELERATION_ARB);
|
|
|
|
A2_(LOCAL_WGL_COLOR_BITS_ARB, aFormat.colorBits());
|
|
A2_(LOCAL_WGL_RED_BITS_ARB, aFormat.red);
|
|
A2_(LOCAL_WGL_GREEN_BITS_ARB, aFormat.green);
|
|
A2_(LOCAL_WGL_BLUE_BITS_ARB, aFormat.blue);
|
|
A2_(LOCAL_WGL_ALPHA_BITS_ARB, aFormat.alpha);
|
|
|
|
A2_(LOCAL_WGL_DEPTH_BITS_ARB, aFormat.depth);
|
|
|
|
if (aFormat.alpha > 0)
|
|
A2_(LOCAL_WGL_BIND_TO_TEXTURE_RGBA_ARB, LOCAL_GL_TRUE);
|
|
else
|
|
A2_(LOCAL_WGL_BIND_TO_TEXTURE_RGB_ARB, LOCAL_GL_TRUE);
|
|
|
|
A2_(LOCAL_WGL_DOUBLE_BUFFER_ARB, LOCAL_GL_FALSE);
|
|
A2_(LOCAL_WGL_STEREO_ARB, LOCAL_GL_FALSE);
|
|
|
|
A1_(0);
|
|
|
|
#define MAX_NUM_FORMATS 256
|
|
UINT numFormats = MAX_NUM_FORMATS;
|
|
int formats[MAX_NUM_FORMATS];
|
|
|
|
if (!sWGLLibrary.fChoosePixelFormat(gDummyWindowDC,
|
|
attribs.Elements(), NULL,
|
|
numFormats, formats, &numFormats)
|
|
|| numFormats == 0)
|
|
{
|
|
return nsnull;
|
|
}
|
|
|
|
// XXX add back the priority choosing code here
|
|
int chosenFormat = formats[0];
|
|
|
|
nsTArray<int> pbattribs;
|
|
pbattribs.AppendElement(LOCAL_WGL_TEXTURE_FORMAT_ARB);
|
|
if (aFormat.alpha > 0) {
|
|
pbattribs.AppendElement(LOCAL_WGL_TEXTURE_RGBA_ARB);
|
|
} else {
|
|
pbattribs.AppendElement(LOCAL_WGL_TEXTURE_RGB_ARB);
|
|
}
|
|
pbattribs.AppendElement(LOCAL_WGL_TEXTURE_TARGET_ARB);
|
|
pbattribs.AppendElement(LOCAL_WGL_TEXTURE_2D_ARB);
|
|
|
|
// hmm, do we need mipmaps?
|
|
//pbattribs.AppendElement(LOCAL_WGL_MIPMAP_TEXTURE_ARB);
|
|
//pbattribs.AppendElement(LOCAL_GL_TRUE);
|
|
|
|
pbattribs.AppendElement(0);
|
|
|
|
HANDLE pbuffer = sWGLLibrary.fCreatePbuffer(gDummyWindowDC, chosenFormat,
|
|
aSize.width, aSize.height,
|
|
pbattribs.Elements());
|
|
if (!pbuffer) {
|
|
return nsnull;
|
|
}
|
|
|
|
nsRefPtr<GLContextWGL> glContext = new GLContextWGL(pbuffer, chosenFormat);
|
|
glContext->Init();
|
|
|
|
return glContext.forget().get();
|
|
}
|
|
|
|
already_AddRefed<GLContext>
|
|
GLContextProvider::CreateForNativePixmapSurface(gfxASurface *aSurface)
|
|
{
|
|
return nsnull;
|
|
}
|
|
|
|
} /* namespace gl */
|
|
} /* namespace mozilla */
|