1 files changed, 63 insertions, 0 deletions
diff --git a/gfx/webrender_bindings/RenderAndroidSurfaceTextureHost.h b/gfx/webrender_bindings/RenderAndroidSurfaceTextureHost.h
new file mode 100644
index 0000000000..a763afc268
--- /dev/null
+++ b/gfx/webrender_bindings/RenderAndroidSurfaceTextureHost.h
@@ -0,0 +1,63 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#ifndef MOZILLA_GFX_RENDERANDROIDSURFACETEXTUREHOST_H
+#define MOZILLA_GFX_RENDERANDROIDSURFACETEXTUREHOST_H
+
+#include "mozilla/java/GeckoSurfaceTextureWrappers.h"
+#include "mozilla/layers/TextureHostOGL.h"
+#include "RenderTextureHost.h"
+
+namespace mozilla {
+
+namespace wr {
+
+class RenderAndroidSurfaceTextureHost final : public RenderTextureHost {
+ public:
+  explicit RenderAndroidSurfaceTextureHost(
+      const java::GeckoSurfaceTexture::GlobalRef& aSurfTex, gfx::IntSize aSize,
+      gfx::SurfaceFormat aFormat, bool aContinuousUpdate);
+
+  wr::WrExternalImage Lock(uint8_t aChannelIndex, gl::GLContext* aGL,
+                           wr::ImageRendering aRendering) override;
+  void Unlock() override;
+
+  size_t Bytes() override {
+    return mSize.width * mSize.height * BytesPerPixel(mFormat);
+  }
+
+  void PrepareForUse() override;
+  void NotifyForUse() override;
+  void NotifyNotUsed() override;
+
+ private:
+  virtual ~RenderAndroidSurfaceTextureHost();
+  bool EnsureAttachedToGLContext();
+
+  enum PrepareStatus {
+    STATUS_NONE,
+    STATUS_MIGHT_BE_USED_BY_WR,
+    STATUS_UPDATE_TEX_IMAGE_NEEDED,
+    STATUS_PREPARED
+  };
+
+  const mozilla::java::GeckoSurfaceTexture::GlobalRef mSurfTex;
+  const gfx::IntSize mSize;
+  const gfx::SurfaceFormat mFormat;
+  // mContinuousUpdate was used for rendering video in the past.
+  // It is not used on current gecko.
+  const bool mContinuousUpdate;
+  // XXX const bool mIgnoreTransform;
+  PrepareStatus mPrepareStatus;
+  bool mAttachedToGLContext;
+
+  RefPtr<gl::GLContext> mGL;
+};
+
+}  // namespace wr
+}  // namespace mozilla
+
+#endif  // MOZILLA_GFX_RENDERANDROIDSURFACETEXTUREHOST_H