From 43a97878ce14b72f0981164f87f2e35e14151312 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:22:09 +0200 Subject: Adding upstream version 110.0.1. Signed-off-by: Daniel Baumann --- gfx/gl/GLContextProviderImpl.h | 59 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 gfx/gl/GLContextProviderImpl.h (limited to 'gfx/gl/GLContextProviderImpl.h') diff --git a/gfx/gl/GLContextProviderImpl.h b/gfx/gl/GLContextProviderImpl.h new file mode 100644 index 0000000000..e7aaeeaa62 --- /dev/null +++ b/gfx/gl/GLContextProviderImpl.h @@ -0,0 +1,59 @@ +/* -*- 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 IN_GL_CONTEXT_PROVIDER_H +# error GLContextProviderImpl.h must only be included from GLContextProvider.h +#endif + +#ifndef GL_CONTEXT_PROVIDER_NAME +# error GL_CONTEXT_PROVIDER_NAME not defined +#endif +#if defined(MOZ_WIDGET_ANDROID) +# include "GLTypes.h" // for EGLSurface and EGLConfig +#endif // defined(MOZ_WIDGET_ANDROID) + +class GL_CONTEXT_PROVIDER_NAME { + public: + /** + * Create a context that renders to the surface of the widget represented by + * the compositor widget that is passed in. The context is always created + * with an RGB pixel format, with no alpha, depth or stencil. + * If any of those features are needed, either use a framebuffer, or + * use CreateOffscreen. + * + * This context will attempt to share resources with all other window + * contexts. As such, it's critical that resources allocated that are not + * needed by other contexts be deleted before the context is destroyed. + * + * The GetSharedContext() method will return non-null if sharing + * was successful. + * + * Note: a context created for a widget /must not/ hold a strong + * reference to the widget; otherwise a cycle can be created through + * a GL layer manager. + * + * @param aCompositorWidget Widget whose surface to create a context for + * @param aForceAccelerated true if only accelerated contexts are allowed + * + * @return Context to use for the window + */ + static already_AddRefed CreateForCompositorWidget( + mozilla::widget::CompositorWidget* aCompositorWidget, + bool aHardwareWebRender, bool aForceAccelerated); + + /// Just create a context. We'll add offscreen stuff ourselves. + static already_AddRefed CreateHeadless( + const GLContextCreateDesc&, nsACString* const out_failureId); + + /** + * Get a pointer to the global context, creating it if it doesn't exist. + */ + static GLContext* GetGlobalContext(); + + /** + * Free any resources held by this Context Provider. + */ + static void Shutdown(); +}; -- cgit v1.2.3