gecko-dev/gfx/layers/client/TextureClientRecycleAllocat...

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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/. */
#ifndef MOZILLA_GFX_TEXTURECLIENT_RECYCLE_ALLOCATOR_H
#define MOZILLA_GFX_TEXTURECLIENT_RECYCLE_ALLOCATOR_H
#include "mozilla/gfx/Types.h"
#include "mozilla/RefPtr.h"
#include "TextureClient.h"
namespace mozilla {
namespace layers {
class ISurfaceAllocator;
class TextureClientRecycleAllocatorImp;
/**
* TextureClientRecycleAllocator provides TextureClients allocation and
* recycling capabilities. It expects allocations of same sizes and
* attributres. If a recycled TextureClient is different from
* requested one, the recycled one is dropped and new TextureClient is allocated.
*/
class TextureClientRecycleAllocator
{
~TextureClientRecycleAllocator();
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(TextureClientRecycleAllocator)
explicit TextureClientRecycleAllocator(ISurfaceAllocator* aAllocator);
void SetMaxPoolSize(uint32_t aMax);
// Creates and allocates a TextureClient.
TemporaryRef<TextureClient>
CreateOrRecycleForDrawing(gfx::SurfaceFormat aFormat,
gfx::IntSize aSize,
gfx::BackendType aMoz2dBackend,
TextureFlags aTextureFlags,
TextureAllocationFlags flags = ALLOC_DEFAULT);
private:
RefPtr<TextureClientRecycleAllocatorImp> mAllocator;
};
}
}
#endif /* MOZILLA_GFX_TEXTURECLIENT_RECYCLE_ALLOCATOR_H */