mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-29 15:52:07 +00:00
70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
/* 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;
|
|
}
|