/* vim: se cin sw=2 ts=2 et : */ /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "GfxInfoWebGL.h" #include "nsServiceManagerUtils.h" #include "GLDefs.h" #include "nsIDOMWebGLRenderingContext.h" #include "nsICanvasRenderingContextInternal.h" using namespace mozilla::widget; nsresult GfxInfoWebGL::GetWebGLParameter(const nsAString& aParam, nsAString& aResult) { GLenum param; if (aParam.EqualsLiteral("vendor")) param = LOCAL_GL_VENDOR; else if (aParam.EqualsLiteral("renderer")) param = LOCAL_GL_RENDERER; else if (aParam.EqualsLiteral("version")) param = LOCAL_GL_VERSION; else if (aParam.EqualsLiteral("shading_language_version")) param = LOCAL_GL_SHADING_LANGUAGE_VERSION; else if (aParam.EqualsLiteral("extensions")) param = LOCAL_GL_EXTENSIONS; else if (aParam.EqualsLiteral("full-renderer")) param = 0; else return NS_ERROR_INVALID_ARG; nsCOMPtr<nsIDOMWebGLRenderingContext> webgl = do_CreateInstance("@mozilla.org/content/canvas-rendering-context;1?id=webgl"); if (!webgl) return NS_ERROR_NOT_AVAILABLE; nsCOMPtr<nsICanvasRenderingContextInternal> webglInternal = do_QueryInterface(webgl); if (!webglInternal) return NS_ERROR_NOT_AVAILABLE; nsresult rv = webglInternal->SetDimensions(16, 16); NS_ENSURE_SUCCESS(rv, rv); if (param) return webgl->MozGetUnderlyingParamString(param, aResult); // this is the "full renderer" string, which is vendor + renderer + version nsAutoString str; rv = webgl->MozGetUnderlyingParamString(LOCAL_GL_VENDOR, str); NS_ENSURE_SUCCESS(rv, rv); aResult.Append(str); aResult.AppendLiteral(" -- "); rv = webgl->MozGetUnderlyingParamString(LOCAL_GL_RENDERER, str); NS_ENSURE_SUCCESS(rv, rv); aResult.Append(str); aResult.AppendLiteral(" -- "); rv = webgl->MozGetUnderlyingParamString(LOCAL_GL_VERSION, str); NS_ENSURE_SUCCESS(rv, rv); aResult.Append(str); return NS_OK; }