diff options
Diffstat (limited to 'widget/GfxInfoWebGL.cpp')
-rw-r--r-- | widget/GfxInfoWebGL.cpp | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/widget/GfxInfoWebGL.cpp b/widget/GfxInfoWebGL.cpp new file mode 100644 index 0000000000..6583ee475a --- /dev/null +++ b/widget/GfxInfoWebGL.cpp @@ -0,0 +1,69 @@ +/* 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; +} |