gfx/layers/opengl/MacIOSurfaceTextureClientOGL.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0 2 * This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #include "MacIOSurfaceTextureClientOGL.h"
michael@0 7 #include "mozilla/gfx/MacIOSurface.h"
michael@0 8
michael@0 9 namespace mozilla {
michael@0 10 namespace layers {
michael@0 11
michael@0 12 MacIOSurfaceTextureClientOGL::MacIOSurfaceTextureClientOGL(TextureFlags aFlags)
michael@0 13 : TextureClient(aFlags)
michael@0 14 , mIsLocked(false)
michael@0 15 {}
michael@0 16
michael@0 17 MacIOSurfaceTextureClientOGL::~MacIOSurfaceTextureClientOGL()
michael@0 18 {}
michael@0 19
michael@0 20 void
michael@0 21 MacIOSurfaceTextureClientOGL::InitWith(MacIOSurface* aSurface)
michael@0 22 {
michael@0 23 MOZ_ASSERT(IsValid());
michael@0 24 MOZ_ASSERT(!IsAllocated());
michael@0 25 mSurface = aSurface;
michael@0 26 }
michael@0 27
michael@0 28 bool
michael@0 29 MacIOSurfaceTextureClientOGL::Lock(OpenMode aMode)
michael@0 30 {
michael@0 31 MOZ_ASSERT(!mIsLocked);
michael@0 32 mIsLocked = true;
michael@0 33 return IsValid() && IsAllocated();
michael@0 34 }
michael@0 35
michael@0 36 void
michael@0 37 MacIOSurfaceTextureClientOGL::Unlock()
michael@0 38 {
michael@0 39 MOZ_ASSERT(mIsLocked);
michael@0 40 mIsLocked = false;
michael@0 41 }
michael@0 42
michael@0 43 bool
michael@0 44 MacIOSurfaceTextureClientOGL::IsLocked() const
michael@0 45 {
michael@0 46 return mIsLocked;
michael@0 47 }
michael@0 48
michael@0 49 bool
michael@0 50 MacIOSurfaceTextureClientOGL::ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor)
michael@0 51 {
michael@0 52 MOZ_ASSERT(IsValid());
michael@0 53 if (!IsAllocated()) {
michael@0 54 return false;
michael@0 55 }
michael@0 56 aOutDescriptor = SurfaceDescriptorMacIOSurface(mSurface->GetIOSurfaceID(),
michael@0 57 mSurface->GetContentsScaleFactor(),
michael@0 58 mSurface->HasAlpha());
michael@0 59 return true;
michael@0 60 }
michael@0 61
michael@0 62 gfx::IntSize
michael@0 63 MacIOSurfaceTextureClientOGL::GetSize() const
michael@0 64 {
michael@0 65 return gfx::IntSize(mSurface->GetDevicePixelWidth(), mSurface->GetDevicePixelHeight());
michael@0 66 }
michael@0 67
michael@0 68 class MacIOSurfaceTextureClientData : public TextureClientData
michael@0 69 {
michael@0 70 public:
michael@0 71 MacIOSurfaceTextureClientData(MacIOSurface* aSurface)
michael@0 72 : mSurface(aSurface)
michael@0 73 {}
michael@0 74
michael@0 75 virtual void DeallocateSharedData(ISurfaceAllocator*) MOZ_OVERRIDE
michael@0 76 {
michael@0 77 mSurface = nullptr;
michael@0 78 }
michael@0 79
michael@0 80 private:
michael@0 81 RefPtr<MacIOSurface> mSurface;
michael@0 82 };
michael@0 83
michael@0 84 TextureClientData*
michael@0 85 MacIOSurfaceTextureClientOGL::DropTextureData()
michael@0 86 {
michael@0 87 TextureClientData* data = new MacIOSurfaceTextureClientData(mSurface);
michael@0 88 mSurface = nullptr;
michael@0 89 MarkInvalid();
michael@0 90 return data;
michael@0 91 }
michael@0 92
michael@0 93 }
michael@0 94 }

mercurial