1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/layers/opengl/MacIOSurfaceTextureHostOGL.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,103 @@
1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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 MOZILLA_GFX_MACIOSURFACETEXTUREHOSTOGL_H
1.10 +#define MOZILLA_GFX_MACIOSURFACETEXTUREHOSTOGL_H
1.11 +
1.12 +#include "mozilla/layers/TextureHostOGL.h"
1.13 +
1.14 +class MacIOSurface;
1.15 +
1.16 +namespace mozilla {
1.17 +namespace layers {
1.18 +
1.19 +/**
1.20 + * A texture source meant for use with MacIOSurfaceTextureHostOGL.
1.21 + *
1.22 + * It does not own any GL texture, and attaches its shared handle to one of
1.23 + * the compositor's temporary textures when binding.
1.24 + */
1.25 +class MacIOSurfaceTextureSourceOGL : public NewTextureSource
1.26 + , public TextureSourceOGL
1.27 +{
1.28 +public:
1.29 + MacIOSurfaceTextureSourceOGL(CompositorOGL* aCompositor,
1.30 + MacIOSurface* aSurface);
1.31 + virtual ~MacIOSurfaceTextureSourceOGL();
1.32 +
1.33 + virtual TextureSourceOGL* AsSourceOGL() { return this; }
1.34 +
1.35 + virtual void BindTexture(GLenum activetex, gfx::Filter aFilter) MOZ_OVERRIDE;
1.36 +
1.37 + virtual bool IsValid() const MOZ_OVERRIDE { return !!gl(); }
1.38 +
1.39 + virtual gfx::IntSize GetSize() const MOZ_OVERRIDE;
1.40 +
1.41 + virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE;
1.42 +
1.43 + virtual GLenum GetTextureTarget() const { return LOCAL_GL_TEXTURE_RECTANGLE_ARB; }
1.44 +
1.45 + virtual GLenum GetWrapMode() const MOZ_OVERRIDE { return LOCAL_GL_CLAMP_TO_EDGE; }
1.46 +
1.47 + // MacIOSurfaceTextureSourceOGL doesn't own any gl texture
1.48 + virtual void DeallocateDeviceData() {}
1.49 +
1.50 + virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
1.51 +
1.52 + gl::GLContext* gl() const;
1.53 +
1.54 +protected:
1.55 + CompositorOGL* mCompositor;
1.56 + RefPtr<MacIOSurface> mSurface;
1.57 +};
1.58 +
1.59 +/**
1.60 + * A TextureHost for shared MacIOSurface
1.61 + *
1.62 + * Most of the logic actually happens in MacIOSurfaceTextureSourceOGL.
1.63 + */
1.64 +class MacIOSurfaceTextureHostOGL : public TextureHost
1.65 +{
1.66 +public:
1.67 + MacIOSurfaceTextureHostOGL(TextureFlags aFlags,
1.68 + const SurfaceDescriptorMacIOSurface& aDescriptor);
1.69 +
1.70 + // SharedTextureHostOGL doesn't own any GL texture
1.71 + virtual void DeallocateDeviceData() MOZ_OVERRIDE {}
1.72 +
1.73 + virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
1.74 +
1.75 + virtual bool Lock() MOZ_OVERRIDE;
1.76 +
1.77 + virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE;
1.78 +
1.79 + virtual NewTextureSource* GetTextureSources() MOZ_OVERRIDE
1.80 + {
1.81 + return mTextureSource;
1.82 + }
1.83 +
1.84 + virtual TemporaryRef<gfx::DataSourceSurface> GetAsSurface() MOZ_OVERRIDE
1.85 + {
1.86 + return nullptr; // XXX - implement this (for MOZ_DUMP_PAINTING)
1.87 + }
1.88 +
1.89 + gl::GLContext* gl() const;
1.90 +
1.91 + virtual gfx::IntSize GetSize() const MOZ_OVERRIDE;
1.92 +
1.93 +#ifdef MOZ_LAYERS_HAVE_LOG
1.94 + virtual const char* Name() { return "MacIOSurfaceTextureHostOGL"; }
1.95 +#endif
1.96 +
1.97 +protected:
1.98 + CompositorOGL* mCompositor;
1.99 + RefPtr<MacIOSurfaceTextureSourceOGL> mTextureSource;
1.100 + RefPtr<MacIOSurface> mSurface;
1.101 +};
1.102 +
1.103 +}
1.104 +}
1.105 +
1.106 +#endif // MOZILLA_GFX_MACIOSURFACETEXTUREHOSTOGL_H
