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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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tree10027f336435511475e392454359edea8e25895d /gfx/layers/basic/MacIOSurfaceTextureHostBasic.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * 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 MOZILLA_GFX_MACIOSURFACETEXTUREHOST_BASIC_H
+#define MOZILLA_GFX_MACIOSURFACETEXTUREHOST_BASIC_H
+
+#include "mozilla/layers/BasicCompositor.h"
+#include "mozilla/layers/TextureHostBasic.h"
+
+class MacIOSurface;
+
+namespace mozilla {
+namespace layers {
+
+class BasicCompositor;
+
+/**
+ * A texture source meant for use with BasicCompositor.
+ *
+ * It does not own any GL texture, and attaches its shared handle to one of
+ * the compositor's temporary textures when binding.
+ */
+class MacIOSurfaceTextureSourceBasic
+ : public TextureSourceBasic,
+ public TextureSource
+{
+public:
+ MacIOSurfaceTextureSourceBasic(BasicCompositor* aCompositor,
+ MacIOSurface* aSurface);
+ virtual ~MacIOSurfaceTextureSourceBasic();
+
+ virtual const char* Name() const override { return "MacIOSurfaceTextureSourceBasic"; }
+
+ virtual TextureSourceBasic* AsSourceBasic() override { return this; }
+
+ virtual gfx::IntSize GetSize() const override;
+ virtual gfx::SurfaceFormat GetFormat() const override;
+ virtual gfx::SourceSurface* GetSurface(gfx::DrawTarget* aTarget) override;
+
+ virtual void DeallocateDeviceData() override { }
+
+ virtual void SetCompositor(Compositor* aCompositor) override;
+
+protected:
+ RefPtr<BasicCompositor> mCompositor;
+ RefPtr<MacIOSurface> mSurface;
+ RefPtr<gfx::SourceSurface> mSourceSurface;
+};
+
+/**
+ * A TextureHost for shared MacIOSurface
+ *
+ * Most of the logic actually happens in MacIOSurfaceTextureSourceBasic.
+ */
+class MacIOSurfaceTextureHostBasic : public TextureHost
+{
+public:
+ MacIOSurfaceTextureHostBasic(TextureFlags aFlags,
+ const SurfaceDescriptorMacIOSurface& aDescriptor);
+
+ virtual void SetCompositor(Compositor* aCompositor) override;
+
+ virtual Compositor* GetCompositor() override { return mCompositor; }
+
+ virtual bool Lock() override;
+
+ virtual gfx::SurfaceFormat GetFormat() const override;
+
+ virtual bool BindTextureSource(CompositableTextureSourceRef& aTexture) override
+ {
+ aTexture = mTextureSource;
+ return !!aTexture;
+ }
+
+ virtual already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override
+ {
+ return nullptr; // XXX - implement this (for MOZ_DUMP_PAINTING)
+ }
+
+ virtual gfx::IntSize GetSize() const override;
+
+#ifdef MOZ_LAYERS_HAVE_LOG
+ virtual const char* Name() override { return "MacIOSurfaceTextureHostBasic"; }
+#endif
+
+protected:
+ RefPtr<BasicCompositor> mCompositor;
+ RefPtr<MacIOSurfaceTextureSourceBasic> mTextureSource;
+ RefPtr<MacIOSurface> mSurface;
+};
+
+} // namespace layers
+} // namespace mozilla
+
+#endif // MOZILLA_GFX_MACIOSURFACETEXTUREHOSTOGL_BASIC_H