The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/layers/composite/X11TextureHost.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,86 @@
     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 "X11TextureHost.h"
    1.10 +#include "mozilla/layers/BasicCompositor.h"
    1.11 +#include "mozilla/layers/X11TextureSourceBasic.h"
    1.12 +#ifdef GL_PROVIDER_GLX
    1.13 +#include "mozilla/layers/CompositorOGL.h"
    1.14 +#include "mozilla/layers/X11TextureSourceOGL.h"
    1.15 +#endif
    1.16 +#include "gfxXlibSurface.h"
    1.17 +#include "gfx2DGlue.h"
    1.18 +
    1.19 +using namespace mozilla;
    1.20 +using namespace mozilla::layers;
    1.21 +using namespace mozilla::gfx;
    1.22 +
    1.23 +X11TextureHost::X11TextureHost(TextureFlags aFlags,
    1.24 +                               const SurfaceDescriptorX11& aDescriptor)
    1.25 + : TextureHost(aFlags)
    1.26 +{
    1.27 +  nsRefPtr<gfxXlibSurface> surface = aDescriptor.OpenForeign();
    1.28 +  mSurface = surface.get();
    1.29 +
    1.30 +  // The host always frees the pixmap.
    1.31 +  MOZ_ASSERT(!(aFlags & TEXTURE_DEALLOCATE_CLIENT));
    1.32 +  mSurface->TakePixmap();
    1.33 +}
    1.34 +
    1.35 +bool
    1.36 +X11TextureHost::Lock()
    1.37 +{
    1.38 +  if (!mCompositor) {
    1.39 +    return false;
    1.40 +  }
    1.41 +
    1.42 +  if (!mTextureSource) {
    1.43 +    switch (mCompositor->GetBackendType()) {
    1.44 +      case LayersBackend::LAYERS_BASIC:
    1.45 +        mTextureSource =
    1.46 +          new X11TextureSourceBasic(static_cast<BasicCompositor*>(mCompositor),
    1.47 +                                    mSurface);
    1.48 +        break;
    1.49 +#ifdef GL_PROVIDER_GLX
    1.50 +      case LayersBackend::LAYERS_OPENGL:
    1.51 +        mTextureSource =
    1.52 +          new X11TextureSourceOGL(static_cast<CompositorOGL*>(mCompositor),
    1.53 +                                  mSurface);
    1.54 +        break;
    1.55 +#endif
    1.56 +      default:
    1.57 +        return false;
    1.58 +    }
    1.59 +  }
    1.60 +
    1.61 +  return true;
    1.62 +}
    1.63 +
    1.64 +void
    1.65 +X11TextureHost::SetCompositor(Compositor* aCompositor)
    1.66 +{
    1.67 +  mCompositor = aCompositor;
    1.68 +  if (mTextureSource) {
    1.69 +    mTextureSource->SetCompositor(aCompositor);
    1.70 +  }
    1.71 +}
    1.72 +
    1.73 +SurfaceFormat
    1.74 +X11TextureHost::GetFormat() const
    1.75 +{
    1.76 +  gfxContentType type = mSurface->GetContentType();
    1.77 +#ifdef GL_PROVIDER_GLX
    1.78 +  if (mCompositor->GetBackendType() == LayersBackend::LAYERS_OPENGL) {
    1.79 +    return X11TextureSourceOGL::ContentTypeToSurfaceFormat(type);
    1.80 +  }
    1.81 +#endif
    1.82 +  return X11TextureSourceBasic::ContentTypeToSurfaceFormat(type);
    1.83 +}
    1.84 +
    1.85 +IntSize
    1.86 +X11TextureHost::GetSize() const
    1.87 +{
    1.88 +  return ToIntSize(mSurface->GetSize());
    1.89 +}