fix(🤖): Fix onscreen OpenGL logic

apps/paper/src/Examples/API/Data.tsx

@@ -1,5 +1,4 @@
 import React from "react";
-import { useWindowDimensions } from "react-native";
 import {
   AlphaType,
   Canvas,
@@ -28,12 +27,19 @@ const img = Skia.Image.MakeImage(
   256 * 4
 )!;
 
+const surface = Skia.Surface.MakeOffscreen(256, 256)!;
+const canvas = surface.getCanvas();
+canvas.drawColor(Skia.Color("cyan"));
+const paint = Skia.Paint();
+paint.setColor(Skia.Color("magenta"));
+canvas.drawCircle(128, 128, 128, paint);
+const img1 = surface.makeImageSnapshot().makeNonTextureImage();
+
 export const Data = () => {
-  const { width } = useWindowDimensions();
-  const SIZE = width;
   return (
-    <Canvas style={{ width: SIZE, height: SIZE }}>
+    <Canvas style={{ width: 256, height: 512 }}>
       <Image image={img} x={0} y={0} width={256} height={256} fit="cover" />
+      <Image image={img1} x={0} y={256} width={256} height={256} fit="cover" />
     </Canvas>
   );
 };

packages/skia/android/cpp/jni/include/JniSkiaBaseView.h

@@ -33,8 +33,8 @@ class JniSkiaBaseView {
     _skiaAndroidView->surfaceAvailable(surface, width, height);
   }
 
-  virtual void surfaceSizeChanged(int width, int height) {
-    _skiaAndroidView->surfaceSizeChanged(width, height);
+  virtual void surfaceSizeChanged(jobject surface, int width, int height) {
+    _skiaAndroidView->surfaceSizeChanged(surface, width, height);
   }
 
   virtual void surfaceDestroyed() { _skiaAndroidView->surfaceDestroyed(); }

packages/skia/android/cpp/jni/include/JniSkiaDomView.h

@@ -51,8 +51,8 @@ class JniSkiaDomView : public jni::HybridClass<JniSkiaDomView>,
     JniSkiaBaseView::surfaceAvailable(surface, width, height);
   }
 
-  void surfaceSizeChanged(int width, int height) override {
-    JniSkiaBaseView::surfaceSizeChanged(width, height);
+  void surfaceSizeChanged(jobject surface, int width, int height) override {
+    JniSkiaBaseView::surfaceSizeChanged(surface, width, height);
   }
 
   void surfaceDestroyed() override { JniSkiaBaseView::surfaceDestroyed(); }

packages/skia/android/cpp/jni/include/JniSkiaPictureView.h

@@ -53,8 +53,8 @@ class JniSkiaPictureView : public jni::HybridClass<JniSkiaPictureView>,
     JniSkiaBaseView::surfaceAvailable(surface, width, height);
   }
 
-  void surfaceSizeChanged(int width, int height) override {
-    JniSkiaBaseView::surfaceSizeChanged(width, height);
+  void surfaceSizeChanged(jobject surface, int width, int height) override {
+    JniSkiaBaseView::surfaceSizeChanged(surface, width, height);
   }
 
   void surfaceDestroyed() override { JniSkiaBaseView::surfaceDestroyed(); }

packages/skia/android/cpp/rnskia-android/OpenGLContext.h

@@ -125,9 +125,11 @@ class OpenGLContext {
 #endif
   }
 
+  // TODO: remove width, height
   std::unique_ptr<WindowContext> MakeWindow(ANativeWindow *window, int width,
                                             int height) {
-    return std::make_unique<OpenGLWindowContext>(this, window, width, height);
+    return std::make_unique<OpenGLWindowContext>(
+        _directContext, _glDisplay.get(), _glContext.get(), window);
   }
 
 private:

packages/skia/android/cpp/rnskia-android/OpenGLWindowContext.cpp

@@ -16,74 +16,45 @@ namespace RNSkia {
 
 sk_sp<SkSurface> OpenGLWindowContext::getSurface() {
   if (_skSurface == nullptr) {
-
-    struct ReleaseContext {
-      std::unique_ptr<gl::Surface> surface = nullptr;
-    };
-
-    if (!_window) {
-      throw std::runtime_error("No native window provided");
-    }
-    auto releaseCtx = new ReleaseContext();
-    releaseCtx->surface =
-        _context->_glDisplay->makeWindowSurface(_context->_glConfig, _window);
-    if (!releaseCtx->surface) {
-      throw std::runtime_error("Failed to create window surface");
-    }
-    _glSurface = releaseCtx->surface.get();
-
-    // Now make this one current
-    auto success = _context->_glContext->makeCurrent(releaseCtx->surface.get());
-    if (!success) {
-      throw std::runtime_error("Failed to make window surface current");
-    }
-
-    // Set up parameters for the render target so that it
-    // matches the underlying OpenGL context.
-    GrGLFramebufferInfo fboInfo;
-
-    // We pass 0 as the framebuffer id, since the
-    // underlying Skia GrGlGpu will read this when wrapping the context in the
-    // render target and the GrGlGpu object.
-    fboInfo.fFBOID = 0;
-    fboInfo.fFormat = 0x8058; // GL_RGBA8
-
+    _glContext->makeCurrent(_glSurface.get());
     GLint stencil;
     glGetIntegerv(GL_STENCIL_BITS, &stencil);
 
     GLint samples;
     glGetIntegerv(GL_SAMPLES, &samples);
 
-    auto colorType = kN32_SkColorType;
+    auto colorType = kRGBA_8888_SkColorType;
 
     auto maxSamples =
-        _context->_directContext->maxSurfaceSampleCountForColorType(colorType);
+        _directContext->maxSurfaceSampleCountForColorType(colorType);
 
     if (samples > maxSamples) {
       samples = maxSamples;
     }
 
-    auto renderTarget = GrBackendRenderTargets::MakeGL(_width, _height, samples,
-                                                       stencil, fboInfo);
-
-    SkSurfaceProps props(0, kUnknown_SkPixelGeometry);
-
-    // Create surface object
+    GrGLFramebufferInfo fbInfo;
+    fbInfo.fFBOID = 0;
+    fbInfo.fFormat = GR_GL_RGBA8;
+    // fbInfo.fProtected =
+    // skgpu::Protected(fDisplayParams.fCreateProtectedNativeBackend);
+
+    auto width = ANativeWindow_getWidth(_window);
+    auto height = ANativeWindow_getHeight(_window);
+    auto backendRT =
+        GrBackendRenderTargets::MakeGL(width, height, samples, stencil, fbInfo);
+    sk_sp<SkColorSpace> colorSpace(nullptr);
+    SkSurfaceProps surfaceProps(0, kRGB_H_SkPixelGeometry);
     _skSurface = SkSurfaces::WrapBackendRenderTarget(
-        _context->_directContext.get(), renderTarget,
-        kBottomLeft_GrSurfaceOrigin, colorType, nullptr, &props,
-        [](void *addr) {
-          auto releaseCtx = reinterpret_cast<ReleaseContext *>(addr);
-          delete releaseCtx;
-        },
-        reinterpret_cast<void *>(releaseCtx));
+        _directContext.get(), backendRT, kBottomLeft_GrSurfaceOrigin,
+        kRGBA_8888_SkColorType, colorSpace, &surfaceProps);
   }
   return _skSurface;
 }
 
 void OpenGLWindowContext::present() {
-  _context->_glContext->makeCurrent(_glSurface);
-  _context->_directContext->flushAndSubmit();
+  _glContext->makeCurrent(_glSurface.get());
+  // TODO: is flushAndSubmit needed here?
+  _directContext->flushAndSubmit();
   _glSurface->present();
 }
 

packages/skia/android/cpp/rnskia-android/OpenGLWindowContext.h

@@ -31,14 +31,16 @@
 
 namespace RNSkia {
 
-class OpenGLContext;
-
 class OpenGLWindowContext : public WindowContext {
 public:
-  OpenGLWindowContext(OpenGLContext *context, ANativeWindow *window, int width,
-                      int height)
-      : _context(context), _window(window), _width(width), _height(height) {
+  OpenGLWindowContext(sk_sp<GrDirectContext> directContext,
+                      gl::Display *display, gl::Context *glContext,
+                      ANativeWindow *window)
+      : _directContext(directContext), _display(display), _glContext(glContext),
+        _window(window) {
     ANativeWindow_acquire(_window);
+    auto config = display->chooseConfig();
+    _glSurface = display->makeWindowSurface(config, _window);
   }
 
   ~OpenGLWindowContext() {
@@ -51,23 +53,19 @@ class OpenGLWindowContext : public WindowContext {
 
   void present() override;
 
-  void resize(int width, int height) override {
-    _skSurface = nullptr;
-    _width = width;
-    _height = height;
-  }
+  int getWidth() override { return ANativeWindow_getWidth(_window); };
 
-  int getWidth() override { return _width; };
+  int getHeight() override { return ANativeWindow_getHeight(_window); };
 
-  int getHeight() override { return _height; };
+  void resize(int width, int height) override { _skSurface = nullptr; }
 
 private:
-  OpenGLContext *_context;
+  sk_sp<GrDirectContext> _directContext;
+  gl::Display *_display;
   ANativeWindow *_window;
   sk_sp<SkSurface> _skSurface = nullptr;
-  gl::Surface *_glSurface = nullptr;
-  int _width = 0;
-  int _height = 0;
+  gl::Context *_glContext = nullptr;
+  std::unique_ptr<gl::Surface> _glSurface = nullptr;
 };
 
 } // namespace RNSkia

packages/skia/android/cpp/rnskia-android/RNSkAndroidView.h

@@ -15,7 +15,7 @@ class RNSkBaseAndroidView {
 
   virtual void surfaceDestroyed() = 0;
 
-  virtual void surfaceSizeChanged(int width, int height) = 0;
+  virtual void surfaceSizeChanged(jobject surface, int width, int height) = 0;
 
   virtual float getPixelDensity() = 0;
 
@@ -50,9 +50,9 @@ class RNSkAndroidView : public T, public RNSkBaseAndroidView {
         ->surfaceDestroyed();
   }
 
-  void surfaceSizeChanged(int width, int height) override {
+  void surfaceSizeChanged(jobject surface, int width, int height) override {
     std::static_pointer_cast<RNSkOpenGLCanvasProvider>(T::getCanvasProvider())
-        ->surfaceSizeChanged(width, height);
+        ->surfaceSizeChanged(surface, width, height);
     // This is only need for the first time to frame, this renderImmediate call
     // will invoke updateTexImage for the previous frame
     RNSkView::renderImmediate();

packages/skia/android/cpp/rnskia-android/RNSkOpenGLCanvasProvider.cpp

@@ -76,6 +76,10 @@ bool RNSkOpenGLCanvasProvider::renderToCanvas(
 
 void RNSkOpenGLCanvasProvider::surfaceAvailable(jobject jSurfaceTexture,
                                                 int width, int height) {
+  // If the surface is 0, we can skip it
+  if (width == 0 && height == 0) {
+    return;
+  }
   // Create renderer!
   JNIEnv *env = facebook::jni::Environment::current();
 
@@ -118,17 +122,22 @@ void RNSkOpenGLCanvasProvider::surfaceDestroyed() {
   }
 }
 
-void RNSkOpenGLCanvasProvider::surfaceSizeChanged(int width, int height) {
+void RNSkOpenGLCanvasProvider::surfaceSizeChanged(jobject jSurfaceTexture,
+                                                  int width, int height) {
   if (width == 0 && height == 0) {
     // Setting width/height to zero is nothing we need to care about when
     // it comes to invalidating the surface.
     return;
   }
 
-  // Recreate RenderContext surface based on size change???
-  _surfaceHolder->resize(width, height);
+  if (_surfaceHolder == nullptr) {
+    _surfaceHolder = nullptr;
+    surfaceAvailable(jSurfaceTexture, width, height);
+  } else {
+    _surfaceHolder->resize(width, height);
+  }
 
   // Redraw after size change
   _requestRedraw();
 }
-} // namespace RNSkia
+} // namespace RNSkia

packages/skia/android/cpp/rnskia-android/RNSkOpenGLCanvasProvider.h

@@ -31,7 +31,7 @@ class RNSkOpenGLCanvasProvider
 
   void surfaceDestroyed();
 
-  void surfaceSizeChanged(int width, int height);
+  void surfaceSizeChanged(jobject jSurface, int width, int height);
 
 private:
   std::unique_ptr<WindowContext> _surfaceHolder = nullptr;

packages/skia/android/cpp/rnskia-android/gl/Display.h

@@ -35,6 +35,10 @@ class Display {
 
   bool isValid() const { return _display != EGL_NO_DISPLAY; }
 
+  void clearContext() {
+    eglMakeCurrent(_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+  }
+
   EGLConfig chooseConfig() {
 
     EGLint att[] = {EGL_RENDERABLE_TYPE,

packages/skia/android/src/main/java/com/shopify/reactnative/skia/SkiaBaseView.java

@@ -64,7 +64,7 @@ public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int h
             return;
         }
         Log.i(tag, "onSurfaceTextureSizeChanged " + width + "/" + height);
-        surfaceSizeChanged(width, height);
+        surfaceSizeChanged(surface, width, height);
     }
 
     @Override
@@ -82,18 +82,18 @@ public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
         return false;
     }
 
-    //private long _prevTimestamp = 0;
+    private long _prevTimestamp = 0;
     @Override
     public void onSurfaceTextureUpdated(SurfaceTexture surface) {
-//        long timestamp = surface.getTimestamp();
-//        long frameDuration = (timestamp - _prevTimestamp)/1000000;
-//        Log.i(tag, "onSurfaceTextureUpdated "+frameDuration+"ms");
-//        _prevTimestamp = timestamp;
+        long timestamp = surface.getTimestamp();
+        long frameDuration = (timestamp - _prevTimestamp)/1000000;
+        Log.i(tag, "onSurfaceTextureUpdated "+frameDuration+"ms");
+        _prevTimestamp = timestamp;
     }
 
     protected abstract void surfaceAvailable(Object surface, int width, int height);
 
-    protected abstract void surfaceSizeChanged(int width, int height);
+    protected abstract void surfaceSizeChanged(Object surface, int width, int height);
 
     protected abstract void surfaceDestroyed();
 

packages/skia/android/src/main/java/com/shopify/reactnative/skia/SkiaDomView.java

@@ -27,7 +27,7 @@ protected void finalize() throws Throwable {
 
     protected native void surfaceAvailable(Object surface, int width, int height);
 
-    protected native void surfaceSizeChanged(int width, int height);
+    protected native void surfaceSizeChanged(Object surface, int width, int height);
 
     protected native void surfaceDestroyed();
 
@@ -37,8 +37,6 @@ protected void finalize() throws Throwable {
 
     protected native void setDebugMode(boolean show);
 
-    protected native void updateTouchPoints(double[] points);
-
     protected native void registerView(int nativeId);
 
     protected native void unregisterView();

packages/skia/android/src/main/java/com/shopify/reactnative/skia/SkiaPictureView.java

@@ -26,7 +26,7 @@ protected void finalize() throws Throwable {
 
     protected native void surfaceAvailable(Object surface, int width, int height);
 
-    protected native void surfaceSizeChanged(int width, int height);
+    protected native void surfaceSizeChanged(Object surface, int width, int height);
 
     protected native void surfaceDestroyed();
 
@@ -36,8 +36,6 @@ protected void finalize() throws Throwable {
 
     protected native void setDebugMode(boolean show);
 
-    protected native void updateTouchPoints(double[] points);
-
     protected native void registerView(int nativeId);
 
     protected native void unregisterView();