gecko/gfx/gl/SharedSurfaceEGL.h
Wes Kocher 8f849d9d65 Backed out 6 changesets (bug 877115) for mochitest-1 and reftest orange on this CLOSED TREE
Backed out changeset 65ad9d8860d6 (bug 877115)
Backed out changeset bf8095c168fb (bug 877115)
Backed out changeset 290ad5863615 (bug 877115)
Backed out changeset 4488ec28910e (bug 877115)
Backed out changeset 45f8859c6fd6 (bug 877115)
Backed out changeset 111cc426fa9e (bug 877115)
2013-12-16 16:33:07 -08:00

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3.5 KiB
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/* -*- 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_EGL_H_
#define SHARED_SURFACE_EGL_H_
#include "SharedSurfaceGL.h"
#include "SurfaceFactory.h"
#include "GLLibraryEGL.h"
#include "SurfaceTypes.h"
#include "mozilla/Attributes.h"
#include "mozilla/Mutex.h"
namespace mozilla {
namespace gl {
class GLContext;
class TextureGarbageBin;
class SharedSurface_EGLImage
: public SharedSurface_GL
{
public:
static SharedSurface_EGLImage* Create(GLContext* prodGL,
const GLFormats& formats,
const gfxIntSize& size,
bool hasAlpha,
EGLContext context);
static SharedSurface_EGLImage* Cast(SharedSurface* surf) {
MOZ_ASSERT(surf->Type() == SharedSurfaceType::EGLImageShare);
return (SharedSurface_EGLImage*)surf;
}
protected:
mutable Mutex mMutex;
GLLibraryEGL* const mEGL;
const GLFormats mFormats;
GLuint mProdTex;
nsRefPtr<gfxImageSurface> mPixels;
GLuint mProdTexForPipe; // Moves to mProdTex when mPipeActive becomes true.
EGLImage mImage;
GLContext* mCurConsGL;
GLuint mConsTex;
nsRefPtr<TextureGarbageBin> mGarbageBin;
EGLSync mSync;
bool mPipeFailed; // Pipe creation failed, and has been abandoned.
bool mPipeComplete; // Pipe connects (mPipeActive ? mProdTex : mProdTexForPipe) to mConsTex.
bool mPipeActive; // Pipe is complete and in use for production.
SharedSurface_EGLImage(GLContext* gl,
GLLibraryEGL* egl,
const gfxIntSize& size,
bool hasAlpha,
const GLFormats& formats,
GLuint prodTex);
EGLDisplay Display() const;
static bool HasExtensions(GLLibraryEGL* egl, GLContext* gl);
public:
virtual ~SharedSurface_EGLImage();
virtual void LockProdImpl();
virtual void UnlockProdImpl() {}
virtual void Fence();
virtual bool WaitSync();
virtual GLuint Texture() const {
return mProdTex;
}
// Implementation-specific functions below:
// Returns 0 if the pipe isn't ready. If 0, use GetPixels below.
GLuint AcquireConsumerTexture(GLContext* consGL);
// Will be void if AcquireConsumerTexture returns non-zero.
gfxImageSurface* GetPixels() const;
};
class SurfaceFactory_EGLImage
: public SurfaceFactory_GL
{
public:
// Infallible:
static SurfaceFactory_EGLImage* Create(GLContext* prodGL,
const SurfaceCaps& caps);
protected:
const EGLContext mContext;
SurfaceFactory_EGLImage(GLContext* prodGL,
EGLContext context,
const SurfaceCaps& caps)
: SurfaceFactory_GL(prodGL, SharedSurfaceType::EGLImageShare, caps)
, mContext(context)
{}
public:
virtual SharedSurface* CreateShared(const gfxIntSize& size) {
bool hasAlpha = mReadCaps.alpha;
return SharedSurface_EGLImage::Create(mGL, mFormats, size, hasAlpha, mContext);
}
};
} /* namespace gfx */
} /* namespace mozilla */
#endif /* SHARED_SURFACE_EGL_H_ */