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69 lines
2.1 KiB
69 lines
2.1 KiB
/* 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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