зеркало из https://github.com/mozilla/gecko-dev.git
102 строки
3.6 KiB
C++
102 строки
3.6 KiB
C++
/* vim: se cin sw=2 ts=2 et : */
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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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 Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* 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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*
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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 "GfxInfoWebGL.h"
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#include "nsServiceManagerUtils.h"
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#include "GLDefs.h"
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#include "nsIDOMWebGLRenderingContext.h"
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#include "nsICanvasRenderingContextInternal.h"
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using namespace mozilla::widget;
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nsresult
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GfxInfoWebGL::GetWebGLParameter(const nsAString& aParam, nsAString& aResult)
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{
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GLenum param;
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if (aParam.EqualsLiteral("vendor")) param = LOCAL_GL_VENDOR;
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else if (aParam.EqualsLiteral("renderer")) param = LOCAL_GL_RENDERER;
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else if (aParam.EqualsLiteral("version")) param = LOCAL_GL_VERSION;
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else if (aParam.EqualsLiteral("shading_language_version")) param = LOCAL_GL_SHADING_LANGUAGE_VERSION;
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else if (aParam.EqualsLiteral("extensions")) param = LOCAL_GL_EXTENSIONS;
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else if (aParam.EqualsLiteral("full-renderer")) param = 0;
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else return NS_ERROR_INVALID_ARG;
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nsCOMPtr<nsIDOMWebGLRenderingContext> webgl =
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do_CreateInstance("@mozilla.org/content/canvas-rendering-context;1?id=experimental-webgl");
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if (!webgl)
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return NS_ERROR_NOT_AVAILABLE;
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nsCOMPtr<nsICanvasRenderingContextInternal> webglInternal =
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do_QueryInterface(webgl);
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if (!webglInternal)
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return NS_ERROR_NOT_AVAILABLE;
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nsresult rv = webglInternal->SetDimensions(16, 16);
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NS_ENSURE_SUCCESS(rv, rv);
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if (param)
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return webgl->MozGetUnderlyingParamString(param, aResult);
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// this is the "full renderer" string, which is vendor + renderer + version
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nsAutoString str;
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rv = webgl->MozGetUnderlyingParamString(LOCAL_GL_VENDOR, str);
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NS_ENSURE_SUCCESS(rv, rv);
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aResult.Append(str);
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aResult.AppendLiteral(" -- ");
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rv = webgl->MozGetUnderlyingParamString(LOCAL_GL_RENDERER, str);
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NS_ENSURE_SUCCESS(rv, rv);
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aResult.Append(str);
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aResult.AppendLiteral(" -- ");
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rv = webgl->MozGetUnderlyingParamString(LOCAL_GL_VERSION, str);
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NS_ENSURE_SUCCESS(rv, rv);
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aResult.Append(str);
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return NS_OK;
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}
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