michael@0: /* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef SHARED_SURFACE_EGL_H_
michael@0: #define SHARED_SURFACE_EGL_H_
michael@0: 
michael@0: #include "SharedSurfaceGL.h"
michael@0: #include "SurfaceFactory.h"
michael@0: #include "GLLibraryEGL.h"
michael@0: #include "SurfaceTypes.h"
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "mozilla/Mutex.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace gl {
michael@0: 
michael@0: class GLContext;
michael@0: class TextureGarbageBin;
michael@0: 
michael@0: class SharedSurface_EGLImage
michael@0:     : public SharedSurface_GL
michael@0: {
michael@0: public:
michael@0:     static SharedSurface_EGLImage* Create(GLContext* prodGL,
michael@0:                                           const GLFormats& formats,
michael@0:                                           const gfx::IntSize& size,
michael@0:                                           bool hasAlpha,
michael@0:                                           EGLContext context);
michael@0: 
michael@0:     static SharedSurface_EGLImage* Cast(SharedSurface* surf) {
michael@0:         MOZ_ASSERT(surf->Type() == SharedSurfaceType::EGLImageShare);
michael@0: 
michael@0:         return (SharedSurface_EGLImage*)surf;
michael@0:     }
michael@0: 
michael@0:     static bool HasExtensions(GLLibraryEGL* egl, GLContext* gl);
michael@0: 
michael@0: protected:
michael@0:     mutable Mutex mMutex;
michael@0:     GLLibraryEGL* const mEGL;
michael@0:     const GLFormats mFormats;
michael@0:     GLuint mProdTex;
michael@0:     EGLImage mImage;
michael@0:     GLContext* mCurConsGL;
michael@0:     GLuint mConsTex;
michael@0:     nsRefPtr<TextureGarbageBin> mGarbageBin;
michael@0:     EGLSync mSync;
michael@0: 
michael@0:     SharedSurface_EGLImage(GLContext* gl,
michael@0:                            GLLibraryEGL* egl,
michael@0:                            const gfx::IntSize& size,
michael@0:                            bool hasAlpha,
michael@0:                            const GLFormats& formats,
michael@0:                            GLuint prodTex,
michael@0:                            EGLImage image);
michael@0: 
michael@0:     EGLDisplay Display() const;
michael@0:     void UpdateProdTexture(const MutexAutoLock& curAutoLock);
michael@0: 
michael@0: public:
michael@0:     virtual ~SharedSurface_EGLImage();
michael@0: 
michael@0:     virtual void LockProdImpl() MOZ_OVERRIDE {}
michael@0:     virtual void UnlockProdImpl() MOZ_OVERRIDE {}
michael@0: 
michael@0: 
michael@0:     virtual void Fence() MOZ_OVERRIDE;
michael@0:     virtual bool WaitSync() MOZ_OVERRIDE;
michael@0: 
michael@0:     virtual GLuint ProdTexture() MOZ_OVERRIDE {
michael@0:       return mProdTex;
michael@0:     }
michael@0: 
michael@0:     // Implementation-specific functions below:
michael@0:     // Returns texture and target
michael@0:     void AcquireConsumerTexture(GLContext* consGL, GLuint* out_texture, GLuint* out_target);
michael@0: };
michael@0: 
michael@0: 
michael@0: 
michael@0: class SurfaceFactory_EGLImage
michael@0:     : public SurfaceFactory_GL
michael@0: {
michael@0: public:
michael@0:     // Fallible:
michael@0:     static SurfaceFactory_EGLImage* Create(GLContext* prodGL,
michael@0:                                            const SurfaceCaps& caps);
michael@0: 
michael@0: protected:
michael@0:     const EGLContext mContext;
michael@0: 
michael@0:     SurfaceFactory_EGLImage(GLContext* prodGL,
michael@0:                             EGLContext context,
michael@0:                             const SurfaceCaps& caps)
michael@0:         : SurfaceFactory_GL(prodGL, SharedSurfaceType::EGLImageShare, caps)
michael@0:         , mContext(context)
michael@0:     {}
michael@0: 
michael@0: public:
michael@0:     virtual SharedSurface* CreateShared(const gfx::IntSize& size) MOZ_OVERRIDE {
michael@0:         bool hasAlpha = mReadCaps.alpha;
michael@0:         return SharedSurface_EGLImage::Create(mGL, mFormats, size, hasAlpha, mContext);
michael@0:     }
michael@0: };
michael@0: 
michael@0: } /* namespace gfx */
michael@0: } /* namespace mozilla */
michael@0: 
michael@0: #endif /* SHARED_SURFACE_EGL_H_ */