/usr/include/thunderbird/SharedSurfaceEGL.h is in thunderbird-dev 1:24.4.0+build1-0ubuntu1.
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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | /* -*- 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 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)
: SharedSurface_GL(SharedSurfaceType::EGLImageShare,
AttachmentType::GLTexture,
gl,
size,
hasAlpha)
, mMutex("SharedSurface_EGLImage mutex")
, mEGL(egl)
, mFormats(formats)
, mProdTex(prodTex)
, mProdTexForPipe(0)
, mImage(0)
, mCurConsGL(nullptr)
, mConsTex(0)
, mSync(0)
, mPipeFailed(false)
, mPipeComplete(false)
, mPipeActive(false)
{}
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_ */
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