gecko-dev/gfx/gl/SharedSurfaceANGLE.h

109 lines
3.4 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_ANGLE_H_
#define SHARED_SURFACE_ANGLE_H_
#include <windows.h>
#include "SharedSurface.h"
namespace mozilla {
namespace gl {
class GLContext;
class GLLibraryEGL;
class SharedSurface_ANGLEShareHandle
: public SharedSurface
{
public:
static UniquePtr<SharedSurface_ANGLEShareHandle> Create(GLContext* gl,
EGLContext context,
EGLConfig config,
const gfx::IntSize& size,
bool hasAlpha);
static SharedSurface_ANGLEShareHandle* Cast(SharedSurface* surf) {
MOZ_ASSERT(surf->mType == SharedSurfaceType::EGLSurfaceANGLE);
return (SharedSurface_ANGLEShareHandle*)surf;
}
protected:
GLLibraryEGL* const mEGL;
const EGLContext mContext;
const EGLSurface mPBuffer;
const HANDLE mShareHandle;
SharedSurface_ANGLEShareHandle(GLContext* gl,
GLLibraryEGL* egl,
const gfx::IntSize& size,
bool hasAlpha,
EGLContext context,
EGLSurface pbuffer,
HANDLE shareHandle)
: SharedSurface(SharedSurfaceType::EGLSurfaceANGLE,
AttachmentType::Screen,
gl,
size,
hasAlpha)
, mEGL(egl)
, mContext(context)
, mPBuffer(pbuffer)
, mShareHandle(shareHandle)
{}
EGLDisplay Display();
public:
virtual ~SharedSurface_ANGLEShareHandle();
virtual void LockProdImpl() MOZ_OVERRIDE;
virtual void UnlockProdImpl() MOZ_OVERRIDE;
virtual void Fence() MOZ_OVERRIDE;
virtual bool WaitSync() MOZ_OVERRIDE { return true; } // Fence is glFinish.
virtual bool PollSync() MOZ_OVERRIDE { return true; }
// Implementation-specific functions below:
HANDLE GetShareHandle() {
return mShareHandle;
}
};
class SurfaceFactory_ANGLEShareHandle
: public SurfaceFactory
{
protected:
GLContext* const mProdGL;
GLLibraryEGL* const mEGL;
EGLContext mContext;
EGLConfig mConfig;
public:
static UniquePtr<SurfaceFactory_ANGLEShareHandle> Create(GLContext* gl,
const SurfaceCaps& caps);
protected:
SurfaceFactory_ANGLEShareHandle(GLContext* gl,
GLLibraryEGL* egl,
const SurfaceCaps& caps);
virtual UniquePtr<SharedSurface> CreateShared(const gfx::IntSize& size) MOZ_OVERRIDE {
bool hasAlpha = mReadCaps.alpha;
return SharedSurface_ANGLEShareHandle::Create(mProdGL,
mContext, mConfig,
size, hasAlpha);
}
};
} /* namespace gfx */
} /* namespace mozilla */
#endif /* SHARED_SURFACE_ANGLE_H_ */