70 lines
2.1 KiB
C++
70 lines
2.1 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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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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=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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