1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/gfx/layers/opengl/MacIOSurfaceTextureClientOGL.cpp Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,94 @@ 1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- 1.5 + * This Source Code Form is subject to the terms of the Mozilla Public 1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.8 + 1.9 +#include "MacIOSurfaceTextureClientOGL.h" 1.10 +#include "mozilla/gfx/MacIOSurface.h" 1.11 + 1.12 +namespace mozilla { 1.13 +namespace layers { 1.14 + 1.15 +MacIOSurfaceTextureClientOGL::MacIOSurfaceTextureClientOGL(TextureFlags aFlags) 1.16 + : TextureClient(aFlags) 1.17 + , mIsLocked(false) 1.18 +{} 1.19 + 1.20 +MacIOSurfaceTextureClientOGL::~MacIOSurfaceTextureClientOGL() 1.21 +{} 1.22 + 1.23 +void 1.24 +MacIOSurfaceTextureClientOGL::InitWith(MacIOSurface* aSurface) 1.25 +{ 1.26 + MOZ_ASSERT(IsValid()); 1.27 + MOZ_ASSERT(!IsAllocated()); 1.28 + mSurface = aSurface; 1.29 +} 1.30 + 1.31 +bool 1.32 +MacIOSurfaceTextureClientOGL::Lock(OpenMode aMode) 1.33 +{ 1.34 + MOZ_ASSERT(!mIsLocked); 1.35 + mIsLocked = true; 1.36 + return IsValid() && IsAllocated(); 1.37 +} 1.38 + 1.39 +void 1.40 +MacIOSurfaceTextureClientOGL::Unlock() 1.41 +{ 1.42 + MOZ_ASSERT(mIsLocked); 1.43 + mIsLocked = false; 1.44 +} 1.45 + 1.46 +bool 1.47 +MacIOSurfaceTextureClientOGL::IsLocked() const 1.48 +{ 1.49 + return mIsLocked; 1.50 +} 1.51 + 1.52 +bool 1.53 +MacIOSurfaceTextureClientOGL::ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor) 1.54 +{ 1.55 + MOZ_ASSERT(IsValid()); 1.56 + if (!IsAllocated()) { 1.57 + return false; 1.58 + } 1.59 + aOutDescriptor = SurfaceDescriptorMacIOSurface(mSurface->GetIOSurfaceID(), 1.60 + mSurface->GetContentsScaleFactor(), 1.61 + mSurface->HasAlpha()); 1.62 + return true; 1.63 +} 1.64 + 1.65 +gfx::IntSize 1.66 +MacIOSurfaceTextureClientOGL::GetSize() const 1.67 +{ 1.68 + return gfx::IntSize(mSurface->GetDevicePixelWidth(), mSurface->GetDevicePixelHeight()); 1.69 +} 1.70 + 1.71 +class MacIOSurfaceTextureClientData : public TextureClientData 1.72 +{ 1.73 +public: 1.74 + MacIOSurfaceTextureClientData(MacIOSurface* aSurface) 1.75 + : mSurface(aSurface) 1.76 + {} 1.77 + 1.78 + virtual void DeallocateSharedData(ISurfaceAllocator*) MOZ_OVERRIDE 1.79 + { 1.80 + mSurface = nullptr; 1.81 + } 1.82 + 1.83 +private: 1.84 + RefPtr<MacIOSurface> mSurface; 1.85 +}; 1.86 + 1.87 +TextureClientData* 1.88 +MacIOSurfaceTextureClientOGL::DropTextureData() 1.89 +{ 1.90 + TextureClientData* data = new MacIOSurfaceTextureClientData(mSurface); 1.91 + mSurface = nullptr; 1.92 + MarkInvalid(); 1.93 + return data; 1.94 +} 1.95 + 1.96 +} 1.97 +}