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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 "GLContext.h" // for GLContext, etc
#include "mozilla/Assertions.h" // for MOZ_ASSERT, etc
#include "mozilla/layers/ISurfaceAllocator.h"
#include "mozilla/layers/TextureClientOGL.h"
#include "mozilla/gfx/Point.h" // for IntSize
#include "GLLibraryEGL.h"
using namespace mozilla::gl;
namespace mozilla {
namespace layers {
class CompositableForwarder;
////////////////////////////////////////////////////////////////////////
// EGLImage
EGLImageTextureData::EGLImageTextureData(EGLImageImage* aImage, gfx::IntSize aSize)
: mImage(aImage)
, mSize(aSize)
{
MOZ_ASSERT(aImage);
}
already_AddRefed<TextureClient>
EGLImageTextureData::CreateTextureClient(EGLImageImage* aImage, gfx::IntSize aSize,
LayersIPCChannel* aAllocator, TextureFlags aFlags)
{
MOZ_ASSERT(XRE_IsParentProcess(),
"Can't pass an `EGLImage` between processes.");
if (!aImage || !XRE_IsParentProcess()) {
return nullptr;
}
// XXX - This is quite sad and slow.
aFlags |= TextureFlags::DEALLOCATE_CLIENT;
if (aImage->GetOriginPos() == gl::OriginPos::BottomLeft) {
aFlags |= TextureFlags::ORIGIN_BOTTOM_LEFT;
}
return TextureClient::CreateWithData(
new EGLImageTextureData(aImage, aSize),
aFlags, aAllocator
);
}
void
EGLImageTextureData::FillInfo(TextureData::Info& aInfo) const
{
aInfo.size = mSize;
aInfo.format = gfx::SurfaceFormat::UNKNOWN;
aInfo.hasIntermediateBuffer = false;
aInfo.hasSynchronization = false;
aInfo.supportsMoz2D = false;
aInfo.canExposeMappedData = false;
}
bool
EGLImageTextureData::Serialize(SurfaceDescriptor& aOutDescriptor)
{
const bool hasAlpha = true;
aOutDescriptor =
EGLImageDescriptor((uintptr_t)mImage->GetImage(),
(uintptr_t)mImage->GetSync(),
mImage->GetSize(), hasAlpha);
return true;
}
} // namespace layers
} // namespace mozilla
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