gecko-dev/gfx/layers/opengl/MacIOSurfaceTextureClientOGL.cpp

59 lines
1.6 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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 "MacIOSurfaceTextureClientOGL.h"
#include "mozilla/gfx/MacIOSurface.h"
namespace mozilla {
namespace layers {
MacIOSurfaceTextureClientOGL::MacIOSurfaceTextureClientOGL(TextureFlags aFlags)
: TextureClient(aFlags)
{}
MacIOSurfaceTextureClientOGL::~MacIOSurfaceTextureClientOGL()
{}
void
MacIOSurfaceTextureClientOGL::InitWith(MacIOSurface* aSurface)
{
MOZ_ASSERT(IsValid());
MOZ_ASSERT(!IsAllocated());
mSurface = aSurface;
}
bool
MacIOSurfaceTextureClientOGL::ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor)
{
MOZ_ASSERT(IsValid());
if (!IsAllocated()) {
return false;
}
aOutDescriptor = SurfaceDescriptorMacIOSurface(mSurface->GetIOSurfaceID(),
mSurface->GetContentsScaleFactor(),
mSurface->HasAlpha());
return true;
}
gfx::IntSize
MacIOSurfaceTextureClientOGL::GetSize() const
{
return gfx::IntSize(mSurface->GetDevicePixelWidth(), mSurface->GetDevicePixelHeight());
}
TextureClientData*
MacIOSurfaceTextureClientOGL::DropTextureData()
{
// MacIOSurface has proper cross-process refcounting so we can just drop
// our reference now, and the data will stay alive (at least) until the host
// has also been torn down.
mSurface = nullptr;
MarkInvalid();
return nullptr;
}
}
}