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+/* -*- 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_RenderAndroidHardwareBufferTextureHost_H
+#define MOZILLA_GFX_RenderAndroidHardwareBufferTextureHost_H
+
+#include "GLContextTypes.h"
+#include "GLTypes.h"
+#include "RenderTextureHostSWGL.h"
+
+namespace mozilla {
+
+namespace layers {
+class AndroidHardwareBuffer;
+}
+
+namespace wr {
+
+class RenderAndroidHardwareBufferTextureHost final
+ : public RenderTextureHostSWGL {
+ public:
+ explicit RenderAndroidHardwareBufferTextureHost(
+ layers::AndroidHardwareBuffer* aAndroidHardwareBuffer);
+
+ wr::WrExternalImage Lock(uint8_t aChannelIndex, gl::GLContext* aGL) override;
+ void Unlock() override;
+
+ size_t Bytes() override;
+
+ RenderAndroidHardwareBufferTextureHost*
+ AsRenderAndroidHardwareBufferTextureHost() override {
+ return this;
+ }
+
+ // RenderTextureHostSWGL
+ gfx::SurfaceFormat GetFormat() const override;
+ gfx::ColorDepth GetColorDepth() const override {
+ return gfx::ColorDepth::COLOR_8;
+ }
+ size_t GetPlaneCount() const override { return 1; }
+ bool MapPlane(RenderCompositor* aCompositor, uint8_t aChannelIndex,
+ PlaneInfo& aPlaneInfo) override;
+ void UnmapPlanes() override;
+
+ layers::AndroidHardwareBuffer* GetAndroidHardwareBuffer() {
+ return mAndroidHardwareBuffer;
+ }
+
+ gfx::IntSize GetSize() const;
+
+ private:
+ virtual ~RenderAndroidHardwareBufferTextureHost();
+ bool EnsureLockable();
+ void DestroyEGLImage();
+ void DeleteTextureHandle();
+ already_AddRefed<gfx::DataSourceSurface> ReadTexImage();
+
+ const RefPtr<layers::AndroidHardwareBuffer> mAndroidHardwareBuffer;
+
+ RefPtr<gl::GLContext> mGL;
+ EGLImage mEGLImage;
+ GLuint mTextureHandle;
+
+ RefPtr<gfx::DataSourceSurface> mReadback;
+};
+
+} // namespace wr
+} // namespace mozilla
+
+#endif // MOZILLA_GFX_RenderAndroidHardwareBufferTextureHost_H