1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/gl/SharedSurfaceEGL.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,111 @@
1.4 +/* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef SHARED_SURFACE_EGL_H_
1.10 +#define SHARED_SURFACE_EGL_H_
1.11 +
1.12 +#include "SharedSurfaceGL.h"
1.13 +#include "SurfaceFactory.h"
1.14 +#include "GLLibraryEGL.h"
1.15 +#include "SurfaceTypes.h"
1.16 +#include "mozilla/Attributes.h"
1.17 +#include "mozilla/Mutex.h"
1.18 +
1.19 +namespace mozilla {
1.20 +namespace gl {
1.21 +
1.22 +class GLContext;
1.23 +class TextureGarbageBin;
1.24 +
1.25 +class SharedSurface_EGLImage
1.26 + : public SharedSurface_GL
1.27 +{
1.28 +public:
1.29 + static SharedSurface_EGLImage* Create(GLContext* prodGL,
1.30 + const GLFormats& formats,
1.31 + const gfx::IntSize& size,
1.32 + bool hasAlpha,
1.33 + EGLContext context);
1.34 +
1.35 + static SharedSurface_EGLImage* Cast(SharedSurface* surf) {
1.36 + MOZ_ASSERT(surf->Type() == SharedSurfaceType::EGLImageShare);
1.37 +
1.38 + return (SharedSurface_EGLImage*)surf;
1.39 + }
1.40 +
1.41 + static bool HasExtensions(GLLibraryEGL* egl, GLContext* gl);
1.42 +
1.43 +protected:
1.44 + mutable Mutex mMutex;
1.45 + GLLibraryEGL* const mEGL;
1.46 + const GLFormats mFormats;
1.47 + GLuint mProdTex;
1.48 + EGLImage mImage;
1.49 + GLContext* mCurConsGL;
1.50 + GLuint mConsTex;
1.51 + nsRefPtr<TextureGarbageBin> mGarbageBin;
1.52 + EGLSync mSync;
1.53 +
1.54 + SharedSurface_EGLImage(GLContext* gl,
1.55 + GLLibraryEGL* egl,
1.56 + const gfx::IntSize& size,
1.57 + bool hasAlpha,
1.58 + const GLFormats& formats,
1.59 + GLuint prodTex,
1.60 + EGLImage image);
1.61 +
1.62 + EGLDisplay Display() const;
1.63 + void UpdateProdTexture(const MutexAutoLock& curAutoLock);
1.64 +
1.65 +public:
1.66 + virtual ~SharedSurface_EGLImage();
1.67 +
1.68 + virtual void LockProdImpl() MOZ_OVERRIDE {}
1.69 + virtual void UnlockProdImpl() MOZ_OVERRIDE {}
1.70 +
1.71 +
1.72 + virtual void Fence() MOZ_OVERRIDE;
1.73 + virtual bool WaitSync() MOZ_OVERRIDE;
1.74 +
1.75 + virtual GLuint ProdTexture() MOZ_OVERRIDE {
1.76 + return mProdTex;
1.77 + }
1.78 +
1.79 + // Implementation-specific functions below:
1.80 + // Returns texture and target
1.81 + void AcquireConsumerTexture(GLContext* consGL, GLuint* out_texture, GLuint* out_target);
1.82 +};
1.83 +
1.84 +
1.85 +
1.86 +class SurfaceFactory_EGLImage
1.87 + : public SurfaceFactory_GL
1.88 +{
1.89 +public:
1.90 + // Fallible:
1.91 + static SurfaceFactory_EGLImage* Create(GLContext* prodGL,
1.92 + const SurfaceCaps& caps);
1.93 +
1.94 +protected:
1.95 + const EGLContext mContext;
1.96 +
1.97 + SurfaceFactory_EGLImage(GLContext* prodGL,
1.98 + EGLContext context,
1.99 + const SurfaceCaps& caps)
1.100 + : SurfaceFactory_GL(prodGL, SharedSurfaceType::EGLImageShare, caps)
1.101 + , mContext(context)
1.102 + {}
1.103 +
1.104 +public:
1.105 + virtual SharedSurface* CreateShared(const gfx::IntSize& size) MOZ_OVERRIDE {
1.106 + bool hasAlpha = mReadCaps.alpha;
1.107 + return SharedSurface_EGLImage::Create(mGL, mFormats, size, hasAlpha, mContext);
1.108 + }
1.109 +};
1.110 +
1.111 +} /* namespace gfx */
1.112 +} /* namespace mozilla */
1.113 +
1.114 +#endif /* SHARED_SURFACE_EGL_H_ */
