stash changes

com.unity.uiwidgets/Runtime/rendering/texture.cs

+using System;
+using Unity.UIWidgets.async;
+using Unity.UIWidgets.engine;
+using Unity.UIWidgets.scheduler;
 using Unity.UIWidgets.ui;
 using UnityEngine;
 using Rect = Unity.UIWidgets.ui.Rect;
 
-        public TextureBox(int textureId) {
+        public TextureBox(int? textureId, Texture texture) {
+            _texture = texture;
+
+        Texture _texture;
 
         public int? textureId {
             get { return _textureId; }
         }
         
         int? _textureId;
+        Timer _timer;
+        bool _frameCallbackScheduled;
+        
 
         protected override bool sizedByParent {
             get { return true; }
             return true;
         }
 
+        void _scheduleAppFrame() {
+            if (_frameCallbackScheduled || textureId == null) {
+                return;
+            }
+            
+            _frameCallbackScheduled = true;
+            SchedulerBinding.instance.scheduleFrameCallback(_handleAppFrame);
+        }
+
+        void _handleAppFrame(TimeSpan timestamp) {
+            _frameCallbackScheduled = false;
+            if (textureId == null) {
+                return;
+            }
+
+            TimeSpan delay = TimeSpan.Zero;
+            delay = new TimeSpan((long) (delay.Ticks * scheduler_.timeDilation));
+            _timer = Timer.create(delay, () => _scheduleAppFrame());
+        }
+
+                if (_texture != null) {
+                    markNeedsLayout();
+                    SchedulerBinding.instance.scheduleFrameCallback(_handleAppFrame);
+                    if (_texture.GetNativeTexturePtr() != IntPtr.Zero) {
+                        _textureId = UIWidgetsPanelWrapper.current.registerTexture(_texture);
+                    }
+                }
+            _scheduleAppFrame();
             context.addLayer(new TextureLayer(
                 rect: Rect.fromLTWH(offset.dx, offset.dy, size.width, size.height),
                 textureId: _textureId.Value

com.unity.uiwidgets/Runtime/widgets/texture.cs

+using System;
+using Unity.UIWidgets.engine;
 using Unity.UIWidgets.foundation;
 using Unity.UIWidgets.rendering;
 using Unity.UIWidgets.ui;
         public Texture( 
             Key key = null, 
+            UnityEngine.Texture texture = null,
-            D.assert(textureId != null);
-            this.textureId = textureId.Value;
+            this.textureId = textureId;
+            this.texture = texture;
+            if (texture != null && texture.GetNativeTexturePtr() != IntPtr.Zero) {
+                this.textureId = UIWidgetsPanelWrapper.current.registerTexture(texture);
+            }
-        public readonly int textureId;
+        public readonly int? textureId;
+        public readonly UnityEngine.Texture texture;
-            return new TextureBox(textureId: textureId);
+            return new TextureBox(textureId: textureId, texture: texture);
+        }
+        
+        public override bool Equals(object obj) {
+            return false;
         }
 
         public override void updateRenderObject(BuildContext context, RenderObject renderObject) {

engine/Build.bee.cs

             "src/shell/platform/unity/android/uiwidgets_system.cc",
             "src/shell/platform/unity/android/android_task_runner.cc",
             "src/shell/platform/unity/android/uiwidgets_panel.cc",
+            "src/shell/platform/unity/android/unity_external_texture_gl.cc"
         };
 
         var iosSources = new NPath[] {

engine/src/shell/platform/unity/android/uiwidgets_panel.cc

 #include "shell/common/switches.h"
 #include "shell/platform/embedder/embedder_engine.h"
 #include "uiwidgets_system.h"
+#include "unity_external_texture_gl.h"
 #include "third_party/Unity/IUnityGraphics.h"
 
 namespace uiwidgets
   int UIWidgetsPanel::RegisterTexture(void *native_texture_ptr)
   {
     std::cerr << "registering external texture is not implemented for android" << std::endl;
-    int texture_identifier = 0;
+    //int texture_identifier = 0;
+    int texture_identifier = reinterpret_cast<int>(native_texture_ptr);
-    // auto* engine = reinterpret_cast<EmbedderEngine*>(engine_);
+    auto* engine = reinterpret_cast<EmbedderEngine*>(engine_);
-    // engine->GetShell().GetPlatformView()->RegisterTexture(
-    //     std::make_unique<UnityExternalTextureGL>(
-    //         texture_identifier, native_texture_ptr, surface_manager_.get()));
+    engine->GetShell().GetPlatformView()->RegisterTexture(
+         std::make_unique<UnityExternalTextureGL>(
+             texture_identifier));
+    
     return texture_identifier;
   }
 

Samples/UIWidgetsSamples_2019_4/Assets/Scene/3DTest1.unity

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Samples/UIWidgetsSamples_2019_4/Assets/Script/ModelViewHelper.cs.meta

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Samples/UIWidgetsSamples_2019_4/Assets/Script/Scene3DTest1.cs.meta

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Samples/UIWidgetsSamples_2019_4/Assets/Script/ModelViewHelper.cs

+using System;
+using System.Collections.Generic;
+using Unity.UIWidgets.foundation;
+using UnityEngine;
+
+namespace UIWidgetsSample
+{
+    public class ModelViewState
+    {
+        public RenderTexture _renderTexture;
+        public GameObject _modelViewPrefab;
+    }
+    
+    public class ModelViewHelper : MonoBehaviour
+    {
+        static ModelViewHelper _instance;
+
+        public static ModelViewHelper Instance
+        {
+            get
+            {
+                if (_instance == null)
+                {
+                    //ensureModelViewHelperIfNeeded();
+                }
+
+                return _instance;
+            }
+        }
+        
+        /*internal static void ensureModelViewHelperIfNeeded() {
+            if (_instance != null) {
+                return;
+            }
+            var managerObj = new GameObject("__ModelViewHelper");
+            var component = managerObj.AddComponent<ModelViewHelper>();
+            _instance = component;
+        }*/
+        
+        //private static bool applicationIsQuitting = false;
+
+        public void Awake()
+        {
+            if (_instance != null)
+            {
+                Debug.Log("error 11");
+            }
+            _instance = this;
+        }
+        
+        public void OnDestroy()
+        {
+            _instance = null;
+        }
+
+        //private void Awake()
+        //{
+        //    DontDestroyOnLoad(gameObject);
+        //}
+
+        public Dictionary<int, ModelViewState> modelStates = new Dictionary<int, ModelViewState>();
+
+        
+        public void UnloadAll()
+        {
+            
+        }
+
+        public bool Load(int id, string path)
+        {
+            if (modelStates.ContainsKey(id))
+            {
+                return true;
+            }
+
+            var modelViewPrefab = Resources.Load(path);
+            if (modelViewPrefab == null)
+            {
+                Debug.Log("Load failed !");
+            }
+            
+            var gameObj = (GameObject) Instantiate(modelViewPrefab, Vector3.zero, Quaternion.identity);
+            
+            var renderTexture = new RenderTexture(100, 100, 32);
+
+            gameObj.transform.Find("Camera").GetComponent<Camera>().targetTexture = renderTexture;
+            
+            this.modelStates.Add(id, new ModelViewState
+            {
+                _renderTexture = renderTexture,
+                _modelViewPrefab = gameObj
+            });
+
+            return true;
+        }
+
+        public RenderTexture LoadModelViewRT(int id)
+        {
+            return this.modelStates[id]._renderTexture;
+        }
+    }
+} 

Samples/UIWidgetsSamples_2019_4/Assets/Script/Scene3DTest1.cs

+using System.Collections.Generic;
+using uiwidgets;
+using Unity.UIWidgets.engine;
+using Unity.UIWidgets.foundation;
+using Unity.UIWidgets.painting;
+using Unity.UIWidgets.ui;
+using Unity.UIWidgets.widgets;
+using UnityEngine;
+using Color = Unity.UIWidgets.ui.Color;
+using Image = Unity.UIWidgets.widgets.Image;
+using Texture = Unity.UIWidgets.widgets.Texture;
+using ui_ = Unity.UIWidgets.widgets.ui_;
+
+namespace UIWidgetsSample
+{
+    namespace UIWidgetsSample
+{
+    public class Scene3DTest1 : UIWidgetsPanel
+    {
+        protected override void main()
+        {
+            ui_.runApp(new MyApp());
+        }
+
+        class MyApp : StatelessWidget
+        {
+            public override Widget build(BuildContext context)
+            {
+                return new WidgetsApp(
+                    color: Color.white,
+                    home: new ExampleApp(),
+                    pageRouteBuilder: (settings, builder) =>
+                        new PageRouteBuilder(
+                            settings: settings,
+                            pageBuilder: (Buildcontext, animation, secondaryAnimation) => builder(context)
+                        )
+                );
+            }
+        }
+
+        class ExampleApp : StatefulWidget
+        {
+            public ExampleApp(Key key = null) : base(key)
+            {
+            }
+
+            public override State createState()
+            {
+                return new ExampleState();
+            }
+        }
+
+        class ExampleState : State<ExampleApp>
+        {
+            public override Widget build(BuildContext context)
+            {
+                //var text = GameObject.Find("CameraTarget")?.GetComponent<UnityEngine.UI.RawImage>()?.texture;
+                ModelViewHelper.Instance?.Load(1, "CubPrefab");
+                var text = ModelViewHelper.Instance?.LoadModelViewRT(1);
+
+                return new Container(
+                    child: new Column(
+                        children: new List<Widget>
+                        {
+                            new Lottie("wine.json", size: new Size(100, 100)),
+                            new Container(width: 200, height: 200, color: Colors.red, child: new Center(child: new Container(width: 100, height: 100, child:new Texture(texture: text)))),
+                            new Container(
+                                width: 100,
+                                height: 100,
+                                decoration: new BoxDecoration(
+                                    borderRadius: BorderRadius.all(Radius.circular(8))
+                                ),
+                                child: Image.file("test.gif", gaplessPlayback: true)
+                            ), 
+                            new Container(
+                                width: 200,
+                                height: 100,
+                                decoration: new BoxDecoration(
+                                    borderRadius: BorderRadius.all(Radius.circular(8))
+                                ),
+                                child: Image.network(
+                                    "https://unity-cn-cms-prd-1254078910.cos.ap-shanghai.myqcloud.com/assetstore-cms-media/img-7dfe215f-0075-4f9c-9b5a-be5ee88b866b",
+                                    gaplessPlayback: true)
+                            )
+                        }
+                    )
+                );
+            }
+        }
+    }
+}
+}

engine/src/shell/platform/unity/android/unity_external_texture_gl.cc

+#include "unity_external_texture_gl.h"
+
+#include <EGL/egl.h>
+#include <GLES2/gl2.h>
+
+#include "flutter/fml/logging.h"
+#include "include/gpu/GrBackendSurface.h"
+#include "include/gpu/GrContext.h"
+#include "include/gpu/gl/GrGLTypes.h"
+#include "src/gpu/gl/GrGLDefines.h"
+#include "uiwidgets_system.h"
+
+namespace uiwidgets {
+
+UnityExternalTextureGL::UnityExternalTextureGL(
+    int64_t texture_identifier)
+    : Texture(texture_identifier){
+  auto* graphics = UIWidgetsSystem::GetInstancePtr()
+                       ->GetUnityInterfaces()
+                       ->Get<IUnityGraphics>();
+  UnityGfxRenderer renderer = graphics->GetRenderer();
+  FML_DCHECK(renderer == kUnityGfxRendererOpenGLES20 || renderer == kUnityGfxRendererOpenGLES30);
+  gl_texture_ = texture_identifier;
+}
+
+UnityExternalTextureGL::~UnityExternalTextureGL() {
+  last_image_ = nullptr;
+  if (gl_texture_) {
+    glDeleteTextures(1, &gl_texture_);
+    gl_texture_ = 0;
+  }
+}
+
+// |flutter::Texture|
+void UnityExternalTextureGL::Paint(SkCanvas& canvas, const SkRect& bounds,
+                                   bool freeze, GrContext* context) {
+  if (!last_image_) {
+    GrGLTextureInfo texture_info;
+    texture_info.fTarget = GR_GL_TEXTURE_2D;
+    texture_info.fID = gl_texture_;
+    texture_info.fFormat = GR_GL_RGBA8;
+
+    GrBackendTexture backend_tex = GrBackendTexture(
+        bounds.width(), bounds.height(), GrMipMapped::kNo, texture_info);
+
+    last_image_ = SkImage::MakeFromTexture(
+        context, backend_tex, kBottomLeft_GrSurfaceOrigin,
+        kRGBA_8888_SkColorType, kOpaque_SkAlphaType, nullptr);
+  }
+
+  if (last_image_) {
+    if (bounds != SkRect::Make(last_image_->bounds())) {
+      canvas.drawImageRect(last_image_, bounds, nullptr);
+    } else {
+      canvas.drawImage(last_image_, bounds.x(), bounds.y());
+    }
+  }
+}
+
+// |flutter::Texture|
+void UnityExternalTextureGL::OnGrContextCreated() {}
+
+// |flutter::Texture|
+void UnityExternalTextureGL::OnGrContextDestroyed() {}
+
+// |flutter::Texture|
+void UnityExternalTextureGL::MarkNewFrameAvailable() {}
+
+// |flutter::Texture|
+void UnityExternalTextureGL::OnTextureUnregistered() {}
+
+}  // namespace uiwidgets

engine/src/shell/platform/unity/android/unity_external_texture_gl.h

+#pragma once
+
+#include "flow/texture.h"
+#include "flutter/fml/macros.h"
+#include "include/core/SkImage.h"
+#include "include/core/SkSize.h"
+#include "unity_surface_manager.h"
+
+namespace uiwidgets {
+
+class UnityExternalTextureGL : public Texture {
+ public:
+  UnityExternalTextureGL(int64_t texture_identifier);
+
+  ~UnityExternalTextureGL() override;
+
+ private:
+  GLuint gl_texture_;
+  sk_sp<SkImage> last_image_;
+
+  // |flutter::Texture|
+  void Paint(SkCanvas& canvas, const SkRect& bounds, bool freeze,
+             GrContext* context) override;
+
+  // |flutter::Texture|
+  void OnGrContextCreated() override;
+
+  // |flutter::Texture|
+  void OnGrContextDestroyed() override;
+
+  // |flutter::Texture|
+  void MarkNewFrameAvailable() override;
+
+  // |flutter::Texture|
+  void OnTextureUnregistered() override;
+
+  FML_DISALLOW_COPY_AND_ASSIGN(UnityExternalTextureGL);
+};
+
+}  // namespace uiwidgets

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