The Tor Browser: gfx/layers/basic/X11TextureSourceBasic.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 "X11TextureSourceBasic.h"

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

     8 #include "gfxXlibSurface.h"

     9 #include "gfx2DGlue.h"

    11 using namespace mozilla;

    12 using namespace mozilla::layers;

    13 using namespace mozilla::gfx;

    15 X11TextureSourceBasic::X11TextureSourceBasic(BasicCompositor* aCompositor, gfxXlibSurface* aSurface)

    16   : mCompositor(aCompositor),

    17     mSurface(aSurface)

    18 {

    19 }

    21 IntSize

    22 X11TextureSourceBasic::GetSize() const

    23 {

    24   return ToIntSize(mSurface->GetSize());

    25 }

    27 SurfaceFormat

    28 X11TextureSourceBasic::GetFormat() const

    29 {

    30   gfxContentType type = mSurface->GetContentType();

    31   return X11TextureSourceBasic::ContentTypeToSurfaceFormat(type);

    32 }

    34 SourceSurface*

    35 X11TextureSourceBasic::GetSurface(DrawTarget* aTarget)

    36 {

    37   if (!mSourceSurface) {

    38     NativeSurface surf;

    39     surf.mFormat = GetFormat();

    40     surf.mType = NativeSurfaceType::CAIRO_SURFACE;

    41     surf.mSurface = mSurface->CairoSurface();

    42     surf.mSize = GetSize();

    43     mSourceSurface = aTarget->CreateSourceSurfaceFromNativeSurface(surf);

    44   }

    45   return mSourceSurface;

    46 }

    48 void

    49 X11TextureSourceBasic::SetCompositor(Compositor* aCompositor)

    50 {

    51   MOZ_ASSERT(aCompositor->GetBackendType() == LayersBackend::LAYERS_BASIC);

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

    53   mCompositor = compositor;

    54 }

    56 SurfaceFormat

    57 X11TextureSourceBasic::ContentTypeToSurfaceFormat(gfxContentType aType)

    58 {

    59   switch (aType) {

    60     case gfxContentType::COLOR:

    61       return SurfaceFormat::B8G8R8X8;

    62     case gfxContentType::ALPHA:

    63       return SurfaceFormat::A8;

    64     case gfxContentType::COLOR_ALPHA:

    65       return SurfaceFormat::B8G8R8A8;

    66     default:

    67       return SurfaceFormat::UNKNOWN;

    68   }

    69 }

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