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/* 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;
}
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