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/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 4; -*- */
/* 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/. */
#include "SharedSurface.h"
#include "../2d/2D.h"
#include "GLBlitHelper.h"
#include "GLContext.h"
#include "GLReadTexImageHelper.h"
#include "GLScreenBuffer.h"
#include "nsThreadUtils.h"
#include "ScopedGLHelpers.h"
#include "SharedSurfaceGL.h"
#include "SharedSurfaceEGL.h"
#include "mozilla/gfx/Logging.h"
#include "mozilla/layers/CompositorTypes.h"
#include "mozilla/layers/TextureClientSharedSurface.h"
#include "mozilla/layers/TextureForwarder.h"
#include "mozilla/StaticPrefs_webgl.h"
#include "mozilla/Unused.h"
#include "VRManagerChild.h"
#ifdef XP_WIN
# include "SharedSurfaceANGLE.h"
# include "SharedSurfaceD3D11Interop.h"
#endif
#ifdef XP_MACOSX
# include "SharedSurfaceIO.h"
#endif
#ifdef MOZ_WIDGET_GTK
# include "gfxPlatformGtk.h"
# include "SharedSurfaceDMABUF.h"
# include "mozilla/widget/DMABufLibWrapper.h"
#endif
#ifdef MOZ_WIDGET_ANDROID
# include "SharedSurfaceAndroidHardwareBuffer.h"
#endif
namespace mozilla {
namespace gl {
////////////////////////////////////////////////////////////////////////
// SharedSurface
SharedSurface::SharedSurface(const SharedSurfaceDesc& desc,
UniquePtr<MozFramebuffer> fb)
: mDesc(desc), mFb(std::move(fb)) {}
SharedSurface::~SharedSurface() = default;
void SharedSurface::LockProd() {
MOZ_ASSERT(!mIsLocked);
LockProdImpl();
mDesc.gl->LockSurface(this);
mIsLocked = true;
}
void SharedSurface::UnlockProd() {
if (!mIsLocked) return;
UnlockProdImpl();
mDesc.gl->UnlockSurface(this);
mIsLocked = false;
}
////////////////////////////////////////////////////////////////////////
// SurfaceFactory
/* static */
UniquePtr<SurfaceFactory> SurfaceFactory::Create(
GLContext* const pGl, const layers::TextureType consumerType) {
auto& gl = *pGl;
switch (consumerType) {
case layers::TextureType::D3D11:
#ifdef XP_WIN
if (gl.IsANGLE()) {
return SurfaceFactory_ANGLEShareHandle::Create(gl);
}
if (StaticPrefs::webgl_dxgl_enabled()) {
return SurfaceFactory_D3D11Interop::Create(gl);
}
#endif
return nullptr;
case layers::TextureType::MacIOSurface:
#ifdef XP_MACOSX
return MakeUnique<SurfaceFactory_IOSurface>(gl);
#else
return nullptr;
#endif
case layers::TextureType::DMABUF:
#ifdef MOZ_WIDGET_GTK
if (gl.GetContextType() == GLContextType::EGL &&
widget::DMABufDevice::IsDMABufWebGLEnabled()) {
return SurfaceFactory_DMABUF::Create(gl);
}
#endif
return nullptr;
case layers::TextureType::AndroidNativeWindow:
#ifdef MOZ_WIDGET_ANDROID
return MakeUnique<SurfaceFactory_SurfaceTexture>(gl);
#else
return nullptr;
#endif
case layers::TextureType::AndroidHardwareBuffer:
#ifdef MOZ_WIDGET_ANDROID
if (XRE_IsGPUProcess()) {
// Enable SharedSurface of AndroidHardwareBuffer only in GPU process.
return SurfaceFactory_AndroidHardwareBuffer::Create(gl);
}
#endif
return nullptr;
case layers::TextureType::EGLImage:
#ifdef MOZ_WIDGET_ANDROID
if (XRE_IsParentProcess()) {
return SurfaceFactory_EGLImage::Create(gl);
}
#endif
return nullptr;
case layers::TextureType::Unknown:
case layers::TextureType::Last:
break;
}
#ifdef MOZ_X11
// Silence a warning.
Unused << gl;
#endif
return nullptr;
}
SurfaceFactory::SurfaceFactory(const PartialSharedSurfaceDesc& partialDesc)
: mDesc(partialDesc), mMutex("SurfaceFactor::mMutex") {}
SurfaceFactory::~SurfaceFactory() = default;
} // namespace gl
} // namespace mozilla
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