/usr/include/thunderbird/SharedSurfaceEGL.h is in thunderbird-dev 1:38.6.0+build1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 | /* -*- 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 "mozilla/Attributes.h"
#include "mozilla/Mutex.h"
#include "nsAutoPtr.h"
#include "SharedSurface.h"
namespace mozilla {
namespace gl {
class GLContext;
class GLLibraryEGL;
class TextureGarbageBin;
class SharedSurface_EGLImage
: public SharedSurface
{
public:
static UniquePtr<SharedSurface_EGLImage> Create(GLContext* prodGL,
const GLFormats& formats,
const gfx::IntSize& size,
bool hasAlpha,
EGLContext context);
static SharedSurface_EGLImage* Cast(SharedSurface* surf) {
MOZ_ASSERT(surf->mType == SharedSurfaceType::EGLImageShare);
return (SharedSurface_EGLImage*)surf;
}
static bool HasExtensions(GLLibraryEGL* egl, GLContext* gl);
protected:
mutable Mutex mMutex;
GLLibraryEGL* const mEGL;
const GLFormats mFormats;
GLuint mProdTex;
public:
const EGLImage mImage;
protected:
GLContext* mCurConsGL;
GLuint mConsTex;
nsRefPtr<TextureGarbageBin> mGarbageBin;
EGLSync mSync;
SharedSurface_EGLImage(GLContext* gl,
GLLibraryEGL* egl,
const gfx::IntSize& size,
bool hasAlpha,
const GLFormats& formats,
GLuint prodTex,
EGLImage image);
EGLDisplay Display() const;
void UpdateProdTexture(const MutexAutoLock& curAutoLock);
public:
virtual ~SharedSurface_EGLImage();
virtual void LockProdImpl() override {}
virtual void UnlockProdImpl() override {}
virtual void Fence() override;
virtual bool WaitSync() override;
virtual bool PollSync() override;
virtual GLuint ProdTexture() override {
return mProdTex;
}
// Implementation-specific functions below:
// Returns texture and target
void AcquireConsumerTexture(GLContext* consGL, GLuint* out_texture, GLuint* out_target);
};
class SurfaceFactory_EGLImage
: public SurfaceFactory
{
public:
// Fallible:
static UniquePtr<SurfaceFactory_EGLImage> Create(GLContext* prodGL,
const SurfaceCaps& caps);
protected:
const EGLContext mContext;
SurfaceFactory_EGLImage(GLContext* prodGL,
EGLContext context,
const SurfaceCaps& caps)
: SurfaceFactory(prodGL, SharedSurfaceType::EGLImageShare, caps)
, mContext(context)
{}
public:
virtual UniquePtr<SharedSurface> CreateShared(const gfx::IntSize& size) override {
bool hasAlpha = mReadCaps.alpha;
return SharedSurface_EGLImage::Create(mGL, mFormats, size, hasAlpha, mContext);
}
};
} /* namespace gfx */
} /* namespace mozilla */
#endif /* SHARED_SURFACE_EGL_H_ */
|