gecko-dev/gfx/gl/SharedSurfaceD3D11Interop.h

115 lines
3.7 KiB
C++

/* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */
/* 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 SHARED_SURFACE_D3D11_INTEROP_H_
#define SHARED_SURFACE_D3D11_INTEROP_H_
#include <windows.h>
#include "SharedSurface.h"
struct ID3D11Device;
struct ID3D11ShaderResourceView;
namespace mozilla {
namespace gl {
class DXGLDevice;
class GLContext;
class WGLLibrary;
class SharedSurface_D3D11Interop
: public SharedSurface
{
const GLuint mProdRB;
const RefPtr<DXGLDevice> mDXGL;
const HANDLE mObjectWGL;
const HANDLE mSharedHandle;
const RefPtr<ID3D11Texture2D> mTextureD3D;
RefPtr<IDXGIKeyedMutex> mKeyedMutex;
RefPtr<IDXGIKeyedMutex> mConsumerKeyedMutex;
RefPtr<ID3D11Texture2D> mConsumerTexture;
const GLuint mFence;
protected:
bool mLockedForGL;
public:
static UniquePtr<SharedSurface_D3D11Interop> Create(const RefPtr<DXGLDevice>& dxgl,
GLContext* gl,
const gfx::IntSize& size,
bool hasAlpha);
static SharedSurface_D3D11Interop* Cast(SharedSurface* surf) {
MOZ_ASSERT(surf->mType == SharedSurfaceType::DXGLInterop2);
return (SharedSurface_D3D11Interop*)surf;
}
protected:
SharedSurface_D3D11Interop(GLContext* gl,
const gfx::IntSize& size,
bool hasAlpha,
GLuint renderbufferGL,
const RefPtr<DXGLDevice>& dxgl,
HANDLE objectWGL,
const RefPtr<ID3D11Texture2D>& textureD3D,
HANDLE sharedHandle,
const RefPtr<IDXGIKeyedMutex>& keyedMutex,
GLuint fence);
public:
virtual ~SharedSurface_D3D11Interop();
virtual void LockProdImpl() override;
virtual void UnlockProdImpl() override;
virtual void ProducerAcquireImpl() override;
virtual void ProducerReleaseImpl() override;
virtual GLuint ProdRenderbuffer() override {
return mProdRB;
}
virtual bool ToSurfaceDescriptor(layers::SurfaceDescriptor* const out_descriptor) override;
// Implementation-specific functions below:
HANDLE GetSharedHandle() const {
return mSharedHandle;
}
};
class SurfaceFactory_D3D11Interop
: public SurfaceFactory
{
public:
const RefPtr<DXGLDevice> mDXGL;
static UniquePtr<SurfaceFactory_D3D11Interop> Create(GLContext* gl,
const SurfaceCaps& caps,
const RefPtr<layers::ISurfaceAllocator>& allocator,
const layers::TextureFlags& flags);
protected:
SurfaceFactory_D3D11Interop(GLContext* gl, const SurfaceCaps& caps,
const RefPtr<layers::ISurfaceAllocator>& allocator,
const layers::TextureFlags& flags,
const RefPtr<DXGLDevice>& dxgl);
public:
virtual ~SurfaceFactory_D3D11Interop();
protected:
virtual UniquePtr<SharedSurface> CreateShared(const gfx::IntSize& size) override {
bool hasAlpha = mReadCaps.alpha;
return SharedSurface_D3D11Interop::Create(mDXGL, mGL, size, hasAlpha);
}
};
} /* namespace gl */
} /* namespace mozilla */
#endif /* SHARED_SURFACE_D3D11_INTEROP_H_ */