mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-08 20:47:44 +00:00
119 lines
3.5 KiB
C++
119 lines
3.5 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_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_ */
|