gfx/layers/opengl/MacIOSurfaceTextureHostOGL.h

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0 2 * This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #ifndef MOZILLA_GFX_MACIOSURFACETEXTUREHOSTOGL_H
michael@0 7 #define MOZILLA_GFX_MACIOSURFACETEXTUREHOSTOGL_H
michael@0 8
michael@0 9 #include "mozilla/layers/TextureHostOGL.h"
michael@0 10
michael@0 11 class MacIOSurface;
michael@0 12
michael@0 13 namespace mozilla {
michael@0 14 namespace layers {
michael@0 15
michael@0 16 /**
michael@0 17 * A texture source meant for use with MacIOSurfaceTextureHostOGL.
michael@0 18 *
michael@0 19 * It does not own any GL texture, and attaches its shared handle to one of
michael@0 20 * the compositor's temporary textures when binding.
michael@0 21 */
michael@0 22 class MacIOSurfaceTextureSourceOGL : public NewTextureSource
michael@0 23 , public TextureSourceOGL
michael@0 24 {
michael@0 25 public:
michael@0 26 MacIOSurfaceTextureSourceOGL(CompositorOGL* aCompositor,
michael@0 27 MacIOSurface* aSurface);
michael@0 28 virtual ~MacIOSurfaceTextureSourceOGL();
michael@0 29
michael@0 30 virtual TextureSourceOGL* AsSourceOGL() { return this; }
michael@0 31
michael@0 32 virtual void BindTexture(GLenum activetex, gfx::Filter aFilter) MOZ_OVERRIDE;
michael@0 33
michael@0 34 virtual bool IsValid() const MOZ_OVERRIDE { return !!gl(); }
michael@0 35
michael@0 36 virtual gfx::IntSize GetSize() const MOZ_OVERRIDE;
michael@0 37
michael@0 38 virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE;
michael@0 39
michael@0 40 virtual GLenum GetTextureTarget() const { return LOCAL_GL_TEXTURE_RECTANGLE_ARB; }
michael@0 41
michael@0 42 virtual GLenum GetWrapMode() const MOZ_OVERRIDE { return LOCAL_GL_CLAMP_TO_EDGE; }
michael@0 43
michael@0 44 // MacIOSurfaceTextureSourceOGL doesn't own any gl texture
michael@0 45 virtual void DeallocateDeviceData() {}
michael@0 46
michael@0 47 virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
michael@0 48
michael@0 49 gl::GLContext* gl() const;
michael@0 50
michael@0 51 protected:
michael@0 52 CompositorOGL* mCompositor;
michael@0 53 RefPtr<MacIOSurface> mSurface;
michael@0 54 };
michael@0 55
michael@0 56 /**
michael@0 57 * A TextureHost for shared MacIOSurface
michael@0 58 *
michael@0 59 * Most of the logic actually happens in MacIOSurfaceTextureSourceOGL.
michael@0 60 */
michael@0 61 class MacIOSurfaceTextureHostOGL : public TextureHost
michael@0 62 {
michael@0 63 public:
michael@0 64 MacIOSurfaceTextureHostOGL(TextureFlags aFlags,
michael@0 65 const SurfaceDescriptorMacIOSurface& aDescriptor);
michael@0 66
michael@0 67 // SharedTextureHostOGL doesn't own any GL texture
michael@0 68 virtual void DeallocateDeviceData() MOZ_OVERRIDE {}
michael@0 69
michael@0 70 virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
michael@0 71
michael@0 72 virtual bool Lock() MOZ_OVERRIDE;
michael@0 73
michael@0 74 virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE;
michael@0 75
michael@0 76 virtual NewTextureSource* GetTextureSources() MOZ_OVERRIDE
michael@0 77 {
michael@0 78 return mTextureSource;
michael@0 79 }
michael@0 80
michael@0 81 virtual TemporaryRef<gfx::DataSourceSurface> GetAsSurface() MOZ_OVERRIDE
michael@0 82 {
michael@0 83 return nullptr; // XXX - implement this (for MOZ_DUMP_PAINTING)
michael@0 84 }
michael@0 85
michael@0 86 gl::GLContext* gl() const;
michael@0 87
michael@0 88 virtual gfx::IntSize GetSize() const MOZ_OVERRIDE;
michael@0 89
michael@0 90 #ifdef MOZ_LAYERS_HAVE_LOG
michael@0 91 virtual const char* Name() { return "MacIOSurfaceTextureHostOGL"; }
michael@0 92 #endif
michael@0 93
michael@0 94 protected:
michael@0 95 CompositorOGL* mCompositor;
michael@0 96 RefPtr<MacIOSurfaceTextureSourceOGL> mTextureSource;
michael@0 97 RefPtr<MacIOSurface> mSurface;
michael@0 98 };
michael@0 99
michael@0 100 }
michael@0 101 }
michael@0 102
michael@0 103 #endif // MOZILLA_GFX_MACIOSURFACETEXTUREHOSTOGL_H

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