/* -*- 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_RENDEREGLIMAGETEXTUREHOST_H
#define MOZILLA_GFX_RENDEREGLIMAGETEXTUREHOST_H
#include "mozilla/layers/TextureHostOGL.h"
#include "RenderTextureHostSWGL.h"
namespace mozilla {
namespace wr {
// RenderEGLImageTextureHost is created only for SharedSurface_EGLImage that is
// created in parent process.
class RenderEGLImageTextureHost final :
public RenderTextureHostSWGL {
public:
RenderEGLImageTextureHost(EGLImage aImage, EGLSync aSync, gfx::IntSize aSize,
gfx::SurfaceFormat aFormat);
wr::WrExternalImage Lock(uint8_t aChannelIndex, gl::GLContext* aGL) override;
void Unlock() override;
size_t Bytes() override {
return mSize.width * mSize.height * BytesPerPixel(mFormat);
}
RenderEGLImageTextureHost* AsRenderEGLImageTextureHost() override {
return this;
}
RefPtr<layers::TextureSource> CreateTextureSource(
layers::TextureSourceProvider* aProvider) 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;
private:
virtual ~RenderEGLImageTextureHost();
bool CreateTextureHandle();
void DeleteTextureHandle();
bool WaitSync();
already_AddRefed<gfx::DataSourceSurface> ReadTexImage();
const EGLImage mImage;
EGLSync mSync;
const gfx::IntSize mSize;
const gfx::SurfaceFormat mFormat;
RefPtr<gl::GLContext> mGL;
GLenum mTextureTarget;
GLuint mTextureHandle;
RefPtr<gfx::DataSourceSurface> mReadback;
};
}
// namespace wr
}
// namespace mozilla
#endif // MOZILLA_GFX_RENDEREGLIMAGETEXTUREHOST_H
