93 lines
3.7 KiB
C#
93 lines
3.7 KiB
C#
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// Copyright (c) 2025 Vuplex Inc. All rights reserved.
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//
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// Licensed under the Vuplex Commercial Software Library License, you may
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// not use this file except in compliance with the License. You may obtain
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// a copy of the License at
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//
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// https://vuplex.com/commercial-library-license
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#if (UNITY_STANDALONE_WIN && !UNITY_EDITOR) || UNITY_EDITOR_WIN
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.IO;
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using System.Runtime.InteropServices;
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using UnityEngine;
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using UnityEngine.Rendering;
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using Vuplex.WebView.Internal;
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namespace Vuplex.WebView {
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/// <summary>
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/// The Windows IWebView implementation.
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/// </summary>
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public class WindowsWebView : StandaloneWebView, IWebView {
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public WebPluginType PluginType { get; } = WebPluginType.Windows;
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public override void Dispose() {
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// Cancel the render if it has been scheduled via GL.IssuePluginEvent().
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WebView_removePointer(_nativeWebViewPtr);
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base.Dispose();
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}
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public static WindowsWebView Instantiate() => new GameObject().AddComponent<WindowsWebView>();
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readonly WaitForEndOfFrame _waitForEndOfFrame = new WaitForEndOfFrame();
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protected override GraphicsDeviceType[] _getSupportedGraphicsApis() => new [] { GraphicsDeviceType.Direct3D11, GraphicsDeviceType.Direct3D12 };
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protected override TextureFormat _getTextureFormat() {
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// - BGRA32 needs to be specified for D3D12 or else the graphics device will be removed with reason DXGI_ERROR_INVALID_CALL.
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// - BGRA32 is specified for D3D11 w/ accelerated paint disabled in order to avoid the following warning:
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// > d3d11: Creating a default shader resource view with dxgi-fmt=28 for a texture that uses dxgi-fmt=87
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if (SystemInfo.graphicsDeviceType == GraphicsDeviceType.Direct3D12 || !_acceleratedPaintEnabled) {
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return TextureFormat.BGRA32;
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}
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// Use the default RGBA32 format for D3D11 w/ accelerated paint enabled in order to avoid a dxgi-fmt warning like the one mentioned above.
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return base._getTextureFormat();
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}
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protected override StandaloneWebView _instantiate() => Instantiate();
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// Start the coroutine from OnEnable so that the coroutine
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// is restarted if the object is deactivated and then reactivated.
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void OnEnable() => StartCoroutine(_renderPluginOncePerFrame());
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IEnumerator _renderPluginOncePerFrame() {
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while (true) {
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if (Application.isBatchMode) {
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// When Unity is launched in batch mode from the command line,
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// WaitForEndOfFrame() never returns, which can cause automated tests to fail.
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yield return null;
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} else {
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yield return _waitForEndOfFrame;
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}
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if (_nativeWebViewPtr != IntPtr.Zero && !IsDisposed) {
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int pointerId = WebView_depositPointer(_nativeWebViewPtr);
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GL.IssuePluginEvent(WebView_getRenderFunction(), pointerId);
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}
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}
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}
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[DllImport(_dllName)]
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static extern int WebView_depositPointer(IntPtr pointer);
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[DllImport(_dllName)]
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static extern IntPtr WebView_getRenderFunction();
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[DllImport(_dllName)]
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static extern void WebView_removePointer(IntPtr pointer);
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}
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}
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#endif
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