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/* -*- 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 "X11TextureHost.h"
#include "mozilla/layers/BasicCompositor.h"
#include "mozilla/layers/X11TextureSourceBasic.h"
#ifdef GL_PROVIDER_GLX
#include "mozilla/layers/CompositorOGL.h"
#include "mozilla/layers/X11TextureSourceOGL.h"
#endif
#include "gfxXlibSurface.h"
#include "gfx2DGlue.h"
namespace mozilla {
namespace layers {
using namespace mozilla::gfx;
X11TextureHost::X11TextureHost(TextureFlags aFlags,
const SurfaceDescriptorX11& aDescriptor)
: TextureHost(aFlags)
{
RefPtr<gfxXlibSurface> surface = aDescriptor.OpenForeign();
mSurface = surface.get();
if (!(aFlags & TextureFlags::DEALLOCATE_CLIENT)) {
mSurface->TakePixmap();
}
}
bool
X11TextureHost::Lock()
{
if (!mCompositor) {
return false;
}
if (!mTextureSource) {
switch (mCompositor->GetBackendType()) {
case LayersBackend::LAYERS_BASIC:
mTextureSource =
new X11TextureSourceBasic(mCompositor->AsBasicCompositor(), mSurface);
break;
#ifdef GL_PROVIDER_GLX
case LayersBackend::LAYERS_OPENGL:
mTextureSource =
new X11TextureSourceOGL(mCompositor->AsCompositorOGL(), mSurface);
break;
#endif
default:
return false;
}
}
return true;
}
void
X11TextureHost::SetCompositor(Compositor* aCompositor)
{
mCompositor = aCompositor;
if (mTextureSource) {
mTextureSource->SetCompositor(aCompositor);
}
}
SurfaceFormat
X11TextureHost::GetFormat() const
{
gfxContentType type = mSurface->GetContentType();
#ifdef GL_PROVIDER_GLX
if (mCompositor->GetBackendType() == LayersBackend::LAYERS_OPENGL) {
return X11TextureSourceOGL::ContentTypeToSurfaceFormat(type);
}
#endif
return X11TextureSourceBasic::ContentTypeToSurfaceFormat(type);
}
IntSize
X11TextureHost::GetSize() const
{
return mSurface->GetSize();
}
already_AddRefed<gfx::DataSourceSurface>
X11TextureHost::GetAsSurface()
{
if (!mTextureSource || !mTextureSource->AsSourceBasic()) {
return nullptr;
}
RefPtr<DrawTarget> tempDT =
gfxPlatform::GetPlatform()->CreateOffscreenContentDrawTarget(
GetSize(), GetFormat());
if (!tempDT) {
return nullptr;
}
RefPtr<SourceSurface> surf = mTextureSource->AsSourceBasic()->GetSurface(tempDT);
if (!surf) {
return nullptr;
}
return surf->GetDataSurface();
}
}
}
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