gecko-dev/gfx/webrender_bindings/RenderAndroidSurfaceTexture...

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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_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