The Tor Browser: gfx/layers/basic/MacIOSurfaceTextureHostBasic.cpp@6474c204b198

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

     1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-

     2  * This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include "MacIOSurfaceTextureHostBasic.h"

     7 #include "mozilla/layers/BasicCompositor.h"

     8 #include "mozilla/gfx/MacIOSurface.h"

    10 namespace mozilla {

    11 namespace layers {

    13 MacIOSurfaceTextureSourceBasic::MacIOSurfaceTextureSourceBasic(

    14                                 BasicCompositor* aCompositor,

    15                                 MacIOSurface* aSurface)

    16   : mCompositor(aCompositor)

    17   , mSurface(aSurface)

    18 {}

    20 MacIOSurfaceTextureSourceBasic::~MacIOSurfaceTextureSourceBasic()

    21 {

    22 }

    24 gfx::IntSize

    25 MacIOSurfaceTextureSourceBasic::GetSize() const

    26 {

    27   return gfx::IntSize(mSurface->GetDevicePixelWidth(),

    28                       mSurface->GetDevicePixelHeight());

    29 }

    31 gfx::SurfaceFormat

    32 MacIOSurfaceTextureSourceBasic::GetFormat() const

    33 {

    34   return mSurface->HasAlpha() ? gfx::SurfaceFormat::R8G8B8A8 : gfx::SurfaceFormat::B8G8R8X8;

    35 }

    37 MacIOSurfaceTextureHostBasic::MacIOSurfaceTextureHostBasic(

    38     TextureFlags aFlags,

    39     const SurfaceDescriptorMacIOSurface& aDescriptor

    40 )

    41   : TextureHost(aFlags)

    42 {

    43   mSurface = MacIOSurface::LookupSurface(aDescriptor.surface(),

    44                                          aDescriptor.scaleFactor(),

    45                                          aDescriptor.hasAlpha());

    46 }

    48 gfx::SourceSurface*

    49 MacIOSurfaceTextureSourceBasic::GetSurface(gfx::DrawTarget* aTarget)

    50 {

    51   if (!mSourceSurface) {

    52     mSourceSurface = mSurface->GetAsSurface();

    53   }

    54   return mSourceSurface;

    55 }

    57 void

    58 MacIOSurfaceTextureSourceBasic::SetCompositor(Compositor* aCompositor)

    59 {

    60   mCompositor = static_cast<BasicCompositor*>(aCompositor);

    61 }

    63 bool

    64 MacIOSurfaceTextureHostBasic::Lock()

    65 {

    66   if (!mCompositor) {

    67     return false;

    68   }

    70   if (!mTextureSource) {

    71     mTextureSource = new MacIOSurfaceTextureSourceBasic(mCompositor, mSurface);

    72   }

    73   return true;

    74 }

    76 void

    77 MacIOSurfaceTextureHostBasic::SetCompositor(Compositor* aCompositor)

    78 {

    79   BasicCompositor* compositor = static_cast<BasicCompositor*>(aCompositor);

    80   mCompositor = compositor;

    81   if (mTextureSource) {

    82     mTextureSource->SetCompositor(compositor);

    83   }

    84 }

    86 gfx::SurfaceFormat

    87 MacIOSurfaceTextureHostBasic::GetFormat() const {

    88   return mSurface->HasAlpha() ? gfx::SurfaceFormat::R8G8B8A8 : gfx::SurfaceFormat::B8G8R8X8;

    89 }

    91 gfx::IntSize

    92 MacIOSurfaceTextureHostBasic::GetSize() const {

    93   return gfx::IntSize(mSurface->GetDevicePixelWidth(),

    94                       mSurface->GetDevicePixelHeight());

    95 }

    97 }

    98 }

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