mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
7d182a2102
Please contact Bas Schouten <bschouten@mozilla.com>, Nicolas Silva <nsilva@mozilla.com> or Nicholas Cameron <ncameron@mozilla.com> with general questions. Below is a rough list of authors to contact with specific questions. Authors: gfx/layers/Compositor.* gfx/layers/Effects.h - Compositor Interface - bas,nrc,nical gfx/layers/d3d* - D3D9/D3D10 - bas gfx/layers/ThebesLayer* - ThebesLayers - nrc,bas gfx/layers/composite/* - CompositeLayers - nrc,nical gfx/layers/client/* - Client - nrc,nical,bas gfx/layers/*Image* - nical gfx/layers/ipc ipc - IPC - nical gfx/layers/opengl - CompositorOGL - nrc,nical gfx/2d - bas,nrc gfx/gl - GLContext - bjacob dom/* layout/* - DOM - mattwoodrow
114 lines
3.1 KiB
C++
114 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
* vim: sw=2 ts=8 et :
|
|
*/
|
|
/* 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_layers_ShadowLayerUtilsGralloc_h
|
|
#define mozilla_layers_ShadowLayerUtilsGralloc_h
|
|
|
|
#include <unistd.h>
|
|
#include <ui/GraphicBuffer.h>
|
|
|
|
#include "ipc/IPCMessageUtils.h"
|
|
#include "mozilla/layers/PGrallocBufferChild.h"
|
|
#include "mozilla/layers/PGrallocBufferParent.h"
|
|
|
|
#define MOZ_HAVE_SURFACEDESCRIPTORGRALLOC
|
|
#define MOZ_HAVE_PLATFORM_SPECIFIC_LAYER_BUFFERS
|
|
|
|
class gfxASurface;
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
class MaybeMagicGrallocBufferHandle;
|
|
class SurfaceDescriptorGralloc;
|
|
|
|
/**
|
|
* This class exists to share the underlying GraphicBuffer resources
|
|
* from one thread context to another. This requires going through
|
|
* slow paths in the kernel so can be somewhat expensive.
|
|
*
|
|
* This is not just platform-specific, but also
|
|
* gralloc-implementation-specific.
|
|
*/
|
|
struct MagicGrallocBufferHandle {
|
|
typedef android::GraphicBuffer GraphicBuffer;
|
|
|
|
MagicGrallocBufferHandle()
|
|
{ }
|
|
|
|
MagicGrallocBufferHandle(const android::sp<GraphicBuffer>& aGraphicBuffer);
|
|
|
|
// Default copy ctor and operator= are OK
|
|
|
|
bool operator==(const MagicGrallocBufferHandle& aOther) const {
|
|
return mGraphicBuffer == aOther.mGraphicBuffer;
|
|
}
|
|
|
|
android::sp<GraphicBuffer> mGraphicBuffer;
|
|
};
|
|
|
|
/**
|
|
* GrallocBufferActor is an "IPC wrapper" for an underlying
|
|
* GraphicBuffer (pmem region). It allows us to cheaply and
|
|
* conveniently share gralloc handles between processes.
|
|
*/
|
|
class GrallocBufferActor : public PGrallocBufferChild
|
|
, public PGrallocBufferParent
|
|
{
|
|
friend class ShadowLayerForwarder;
|
|
friend class ShadowLayerManager;
|
|
friend class ImageBridgeChild;
|
|
typedef android::GraphicBuffer GraphicBuffer;
|
|
|
|
public:
|
|
virtual ~GrallocBufferActor();
|
|
|
|
static PGrallocBufferParent*
|
|
Create(const gfxIntSize& aSize, const gfxContentType& aContent,
|
|
MaybeMagicGrallocBufferHandle* aOutHandle);
|
|
|
|
static PGrallocBufferParent*
|
|
Create(const gfxIntSize& aSize, const uint32_t& aFormat, const uint32_t& aUsage,
|
|
MaybeMagicGrallocBufferHandle* aOutHandle);
|
|
|
|
static PGrallocBufferChild*
|
|
Create();
|
|
|
|
static android::sp<GraphicBuffer>
|
|
GetFrom(const SurfaceDescriptorGralloc& aDescriptor);
|
|
|
|
private:
|
|
GrallocBufferActor();
|
|
|
|
void InitFromHandle(const MagicGrallocBufferHandle& aHandle);
|
|
|
|
android::sp<GraphicBuffer> mGraphicBuffer;
|
|
|
|
// This value stores the number of bytes allocated in this
|
|
// BufferActor. This will be used for the memory reporter.
|
|
size_t mAllocBytes;
|
|
|
|
friend class ISurfaceAllocator;
|
|
};
|
|
|
|
} // namespace layers
|
|
} // namespace mozilla
|
|
|
|
namespace IPC {
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::layers::MagicGrallocBufferHandle> {
|
|
typedef mozilla::layers::MagicGrallocBufferHandle paramType;
|
|
|
|
static void Write(Message* aMsg, const paramType& aParam);
|
|
static bool Read(const Message* aMsg, void** aIter, paramType* aResult);
|
|
};
|
|
|
|
} // namespace IPC
|
|
|
|
#endif // mozilla_layers_ShadowLayerUtilsGralloc_h
|