1 files changed, 96 insertions, 0 deletions
diff --git a/gfx/layers/GLImages.h b/gfx/layers/GLImages.h
new file mode 100644
index 0000000000..3bab26216c
--- /dev/null
+++ b/gfx/layers/GLImages.h
@@ -0,0 +1,96 @@
+/* -*- 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 GFX_GLIMAGES_H
+#define GFX_GLIMAGES_H
+
+#include "GLContextTypes.h"
+#include "GLTypes.h"
+#include "ImageContainer.h"      // for Image
+#include "ImageTypes.h"          // for ImageFormat::SHARED_GLTEXTURE
+#include "nsCOMPtr.h"            // for already_AddRefed
+#include "mozilla/Maybe.h"       // for Maybe
+#include "mozilla/gfx/Matrix.h"  // for Matrix4x4
+#include "mozilla/gfx/Point.h"   // for IntSize
+
+#ifdef MOZ_WIDGET_ANDROID
+#  include "AndroidSurfaceTexture.h"
+#endif
+
+namespace mozilla {
+namespace layers {
+
+class GLImage : public Image {
+ public:
+  explicit GLImage(ImageFormat aFormat) : Image(nullptr, aFormat) {}
+
+  already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override;
+
+  GLImage* AsGLImage() override { return this; }
+};
+
+#ifdef MOZ_WIDGET_ANDROID
+
+class SurfaceTextureImage : public GLImage {
+ public:
+  class SetCurrentCallback {
+   public:
+    virtual void operator()(void) = 0;
+    virtual ~SetCurrentCallback() {}
+  };
+
+  SurfaceTextureImage(AndroidSurfaceTextureHandle aHandle,
+                      const gfx::IntSize& aSize, bool aContinuous,
+                      gl::OriginPos aOriginPos, bool aHasAlpha,
+                      Maybe<gfx::Matrix4x4> aTransformOverride);
+
+  gfx::IntSize GetSize() const override { return mSize; }
+  AndroidSurfaceTextureHandle GetHandle() const { return mHandle; }
+  bool GetContinuous() const { return mContinuous; }
+  gl::OriginPos GetOriginPos() const { return mOriginPos; }
+  bool GetHasAlpha() const { return mHasAlpha; }
+  const Maybe<gfx::Matrix4x4>& GetTransformOverride() const {
+    return mTransformOverride;
+  }
+
+  already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override {
+    // We can implement this, but currently don't want to because it will cause
+    // the SurfaceTexture to be permanently bound to the snapshot readback
+    // context.
+    return nullptr;
+  }
+
+  SurfaceTextureImage* AsSurfaceTextureImage() override { return this; }
+
+  Maybe<SurfaceDescriptor> GetDesc() override;
+
+  void RegisterSetCurrentCallback(UniquePtr<SetCurrentCallback> aCallback) {
+    mSetCurrentCallback = std::move(aCallback);
+  }
+
+  void OnSetCurrent() {
+    if (mSetCurrentCallback) {
+      (*mSetCurrentCallback)();
+      mSetCurrentCallback.reset();
+    }
+  }
+
+ private:
+  AndroidSurfaceTextureHandle mHandle;
+  gfx::IntSize mSize;
+  bool mContinuous;
+  gl::OriginPos mOriginPos;
+  const bool mHasAlpha;
+  const Maybe<gfx::Matrix4x4> mTransformOverride;
+  UniquePtr<SetCurrentCallback> mSetCurrentCallback;
+};
+
+#endif  // MOZ_WIDGET_ANDROID
+
+}  // namespace layers
+}  // namespace mozilla
+
+#endif  // GFX_GLIMAGES_H