michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "MacIOSurfaceTextureClientOGL.h"
michael@0: #include "mozilla/gfx/MacIOSurface.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace layers {
michael@0: 
michael@0: MacIOSurfaceTextureClientOGL::MacIOSurfaceTextureClientOGL(TextureFlags aFlags)
michael@0:   : TextureClient(aFlags)
michael@0:   , mIsLocked(false)
michael@0: {}
michael@0: 
michael@0: MacIOSurfaceTextureClientOGL::~MacIOSurfaceTextureClientOGL()
michael@0: {}
michael@0: 
michael@0: void
michael@0: MacIOSurfaceTextureClientOGL::InitWith(MacIOSurface* aSurface)
michael@0: {
michael@0:   MOZ_ASSERT(IsValid());
michael@0:   MOZ_ASSERT(!IsAllocated());
michael@0:   mSurface = aSurface;
michael@0: }
michael@0: 
michael@0: bool
michael@0: MacIOSurfaceTextureClientOGL::Lock(OpenMode aMode)
michael@0: {
michael@0:   MOZ_ASSERT(!mIsLocked);
michael@0:   mIsLocked = true;
michael@0:   return IsValid() && IsAllocated();
michael@0: }
michael@0: 
michael@0: void
michael@0: MacIOSurfaceTextureClientOGL::Unlock()
michael@0: {
michael@0:   MOZ_ASSERT(mIsLocked);
michael@0:   mIsLocked = false;
michael@0: }
michael@0: 
michael@0: bool
michael@0: MacIOSurfaceTextureClientOGL::IsLocked() const
michael@0: {
michael@0:   return mIsLocked;
michael@0: }
michael@0: 
michael@0: bool
michael@0: MacIOSurfaceTextureClientOGL::ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor)
michael@0: {
michael@0:   MOZ_ASSERT(IsValid());
michael@0:   if (!IsAllocated()) {
michael@0:     return false;
michael@0:   }
michael@0:   aOutDescriptor = SurfaceDescriptorMacIOSurface(mSurface->GetIOSurfaceID(),
michael@0:                                                  mSurface->GetContentsScaleFactor(),
michael@0:                                                  mSurface->HasAlpha());
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: gfx::IntSize
michael@0: MacIOSurfaceTextureClientOGL::GetSize() const
michael@0: {
michael@0:   return gfx::IntSize(mSurface->GetDevicePixelWidth(), mSurface->GetDevicePixelHeight());
michael@0: }
michael@0: 
michael@0: class MacIOSurfaceTextureClientData : public TextureClientData
michael@0: {
michael@0: public:
michael@0:   MacIOSurfaceTextureClientData(MacIOSurface* aSurface)
michael@0:     : mSurface(aSurface)
michael@0:   {}
michael@0: 
michael@0:   virtual void DeallocateSharedData(ISurfaceAllocator*) MOZ_OVERRIDE
michael@0:   {
michael@0:     mSurface = nullptr;
michael@0:   }
michael@0: 
michael@0: private:
michael@0:   RefPtr<MacIOSurface> mSurface;
michael@0: };
michael@0: 
michael@0: TextureClientData*
michael@0: MacIOSurfaceTextureClientOGL::DropTextureData()
michael@0: {
michael@0:   TextureClientData* data = new MacIOSurfaceTextureClientData(mSurface);
michael@0:   mSurface = nullptr;
michael@0:   MarkInvalid();
michael@0:   return data;
michael@0: }
michael@0: 
michael@0: }
michael@0: }