From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- gfx/layers/TextureSourceProvider.h | 76 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 gfx/layers/TextureSourceProvider.h (limited to 'gfx/layers/TextureSourceProvider.h') diff --git a/gfx/layers/TextureSourceProvider.h b/gfx/layers/TextureSourceProvider.h new file mode 100644 index 0000000000..50849692f5 --- /dev/null +++ b/gfx/layers/TextureSourceProvider.h @@ -0,0 +1,76 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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_layers_TextureSourceProvider_h +#define mozilla_gfx_layers_TextureSourceProvider_h + +#include "nsISupportsImpl.h" +#include "mozilla/AlreadyAddRefed.h" +#include "mozilla/TimeStamp.h" +#include "mozilla/layers/CompositorTypes.h" +#include "nsTArray.h" + +struct ID3D11Device; + +namespace mozilla { +namespace gfx { +class DataSourceSurface; +} // namespace gfx +namespace gl { +class GLContext; +} // namespace gl +namespace layers { + +class TextureHost; +class DataTextureSource; +class Compositor; +class CompositorOGL; + +// Provided by a HostLayerManager or Compositor for allocating backend-specific +// texture types. +class TextureSourceProvider { + public: + NS_INLINE_DECL_REFCOUNTING(TextureSourceProvider) + + virtual already_AddRefed CreateDataTextureSource( + TextureFlags aFlags = TextureFlags::NO_FLAGS) = 0; + + virtual TimeStamp GetLastCompositionEndTime() const = 0; + + virtual void TryUnlockTextures() {} + + // If overridden, make sure to call the base function. + virtual void Destroy(); + + // If this provider is also a Compositor, return the compositor. Otherwise + // return null. + virtual Compositor* AsCompositor() { return nullptr; } + + // If this provider is also a CompositorOGL, return the compositor. Otherwise + // return nullptr. + virtual CompositorOGL* AsCompositorOGL() { return nullptr; } + +#ifdef XP_WIN + // On Windows, if this provides Direct3D textures, it must expose the device. + virtual ID3D11Device* GetD3D11Device() const { return nullptr; } +#endif + + // If this provides OpenGL textures, it must expose the GLContext. + virtual gl::GLContext* GetGLContext() const { return nullptr; } + + virtual int32_t GetMaxTextureSize() const = 0; + + // Return whether or not this provider is still valid (i.e., is still being + // used to composite). + virtual bool IsValid() const = 0; + + protected: + virtual ~TextureSourceProvider(); +}; + +} // namespace layers +} // namespace mozilla + +#endif // mozilla_gfx_layers_TextureSourceProvider_h -- cgit v1.2.3