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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#ifndef GFX_MACIOSURFACEIMAGE_H
#define GFX_MACIOSURFACEIMAGE_H
#include "ImageContainer.h"
#include "mozilla/gfx/MacIOSurface.h"
#include "mozilla/gfx/Point.h"
#include "mozilla/layers/TextureClient.h"
namespace mozilla {
namespace layers {
class MacIOSurfaceImage : public Image {
public:
explicit MacIOSurfaceImage(MacIOSurface* aSurface)
: Image(nullptr, ImageFormat::MAC_IOSURFACE), mSurface(aSurface) {
if (aSurface) {
mPictureRect = gfx::IntRect(
gfx::IntPoint{}, gfx::IntSize(aSurface->GetDevicePixelWidth(0),
aSurface->GetDevicePixelHeight(0)));
}
}
bool SetData(ImageContainer* aContainer, const PlanarYCbCrData& aData);
MacIOSurface* GetSurface() { return mSurface; }
gfx::IntSize GetSize() const override {
return gfx::IntSize::Truncate(mSurface->GetDevicePixelWidth(),
mSurface->GetDevicePixelHeight());
}
already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override;
nsresult BuildSurfaceDescriptorBuffer(
SurfaceDescriptorBuffer& aSdBuffer, BuildSdbFlags aFlags,
const std::function<MemoryOrShmem(uint32_t)>& aAllocate) override;
TextureClient* GetTextureClient(KnowsCompositor* aKnowsCompositor) override;
MacIOSurfaceImage* AsMacIOSurfaceImage() override { return this; }
gfx::IntRect GetPictureRect() const override { return mPictureRect; }
gfx::ColorDepth GetColorDepth() const override;
private:
RefPtr<MacIOSurface> mSurface;
RefPtr<TextureClient> mTextureClient;
gfx::IntRect mPictureRect;
};
class MacIOSurfaceRecycleAllocator {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(MacIOSurfaceRecycleAllocator)
already_AddRefed<MacIOSurface> Allocate(
const gfx::IntSize aYSize, const gfx::IntSize& aCbCrSize,
gfx::ChromaSubsampling aChromaSubsampling,
gfx::YUVColorSpace aYUVColorSpace,
gfx::TransferFunction aTransferFunction, gfx::ColorRange aColorRange,
gfx::ColorDepth aColorDepth);
private:
~MacIOSurfaceRecycleAllocator() = default;
nsTArray<CFTypeRefPtr<IOSurfaceRef>> mSurfaces;
// Cached parameters used for allocations stored in mSurfaces.
gfx::IntSize mYSize;
gfx::IntSize mCbCrSize;
gfx::ChromaSubsampling mChromaSubsampling = gfx::ChromaSubsampling::FULL;
gfx::YUVColorSpace mYUVColorSpace = gfx::YUVColorSpace::BT709;
gfx::TransferFunction mTransferFunction = gfx::TransferFunction::BT709;
gfx::ColorRange mColorRange = gfx::ColorRange::FULL;
gfx::ColorDepth mColorDepth = gfx::ColorDepth::COLOR_8;
};
} // namespace layers
} // namespace mozilla
#endif // GFX_SHAREDTEXTUREIMAGE_H