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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 "RenderTextureHostSWGL.h"
namespace mozilla {
namespace gfx {
class DataSourceSurface;
}
namespace wr {
class RenderAndroidSurfaceTextureHost final : public RenderTextureHostSWGL {
public:
explicit RenderAndroidSurfaceTextureHost(
const java::GeckoSurfaceTexture::GlobalRef& aSurfTex, gfx::IntSize aSize,
gfx::SurfaceFormat aFormat, bool aContinuousUpdate,
Maybe<gfx::Matrix4x4> aTransformOverride, bool aIsRemoteTexture);
wr::WrExternalImage Lock(uint8_t aChannelIndex, gl::GLContext* aGL) override;
void Unlock() override;
size_t Bytes() override {
return mSize.width * mSize.height * BytesPerPixel(mFormat);
}
void PrepareForUse() override;
void NotifyForUse() override;
void NotifyNotUsed() override;
// 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;
RenderAndroidSurfaceTextureHost* AsRenderAndroidSurfaceTextureHost()
override {
return this;
}
void UpdateTexImageIfNecessary();
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;
const Maybe<gfx::Matrix4x4> mTransformOverride;
private:
virtual ~RenderAndroidSurfaceTextureHost();
bool EnsureAttachedToGLContext();
already_AddRefed<gfx::DataSourceSurface> ReadTexImage();
// Returns the UV coordinates to be used when sampling the texture, taking in
// to account the SurfaceTexture's transform if applicable.
std::pair<gfx::Point, gfx::Point> GetUvCoords(
gfx::IntSize aTextureSize) const override;
enum PrepareStatus {
STATUS_NONE,
STATUS_MIGHT_BE_USED_BY_WR,
STATUS_UPDATE_TEX_IMAGE_NEEDED,
STATUS_PREPARED
};
PrepareStatus mPrepareStatus;
bool mAttachedToGLContext;
RefPtr<gl::GLContext> mGL;
RefPtr<gfx::DataSourceSurface> mReadback;
bool mIsRemoteTexture;
};
} // namespace wr
} // namespace mozilla
#endif // MOZILLA_GFX_RENDERANDROIDSURFACETEXTUREHOST_H
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