gecko/gfx/layers/basic/X11TextureSourceBasic.cpp

73 lines
1.8 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "X11TextureSourceBasic.h"
#include "gfxXlibSurface.h"
#include "gfx2DGlue.h"
namespace mozilla {
namespace layers {
using namespace mozilla::gfx;
X11TextureSourceBasic::X11TextureSourceBasic(BasicCompositor* aCompositor, gfxXlibSurface* aSurface)
: mCompositor(aCompositor),
mSurface(aSurface)
{
}
IntSize
X11TextureSourceBasic::GetSize() const
{
return mSurface->GetSize();
}
SurfaceFormat
X11TextureSourceBasic::GetFormat() const
{
gfxContentType type = mSurface->GetContentType();
return X11TextureSourceBasic::ContentTypeToSurfaceFormat(type);
}
SourceSurface*
X11TextureSourceBasic::GetSurface(DrawTarget* aTarget)
{
if (!mSourceSurface) {
NativeSurface surf;
surf.mFormat = GetFormat();
surf.mType = NativeSurfaceType::CAIRO_SURFACE;
surf.mSurface = mSurface->CairoSurface();
surf.mSize = GetSize();
mSourceSurface = aTarget->CreateSourceSurfaceFromNativeSurface(surf);
}
return mSourceSurface;
}
void
X11TextureSourceBasic::SetCompositor(Compositor* aCompositor)
{
MOZ_ASSERT(aCompositor->GetBackendType() == LayersBackend::LAYERS_BASIC);
BasicCompositor* compositor = static_cast<BasicCompositor*>(aCompositor);
mCompositor = compositor;
}
SurfaceFormat
X11TextureSourceBasic::ContentTypeToSurfaceFormat(gfxContentType aType)
{
switch (aType) {
case gfxContentType::COLOR:
return SurfaceFormat::B8G8R8X8;
case gfxContentType::ALPHA:
return SurfaceFormat::A8;
case gfxContentType::COLOR_ALPHA:
return SurfaceFormat::B8G8R8A8;
default:
return SurfaceFormat::UNKNOWN;
}
}
}
}