75af441bff
Generalize the backing store sharing abstraction into SharedImage, which represents shared GPU memory independently of Skia and can be used to share memory between different processes or different GPU contexts.
79 lines
2 KiB
C++
79 lines
2 KiB
C++
/*
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* Copyright (c) 2024, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/NonnullOwnPtr.h>
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#include <AK/NonnullRefPtr.h>
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#include <AK/RefPtr.h>
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#include <AK/Vector.h>
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#include <LibGfx/Forward.h>
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#include <LibGfx/Size.h>
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#include <LibWeb/Export.h>
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namespace Web::WebGL {
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class WEB_API OpenGLContext {
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public:
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enum class WebGLVersion {
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WebGL1,
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WebGL2,
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};
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struct DrawingBufferOptions {
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bool depth;
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bool stencil;
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bool antialias;
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};
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static OwnPtr<OpenGLContext> create(NonnullRefPtr<Gfx::SkiaBackendContext>, WebGLVersion, DrawingBufferOptions);
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void notify_content_will_change();
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void clear_buffer_to_default_values();
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void allocate_painting_surface_if_needed();
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struct Impl;
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OpenGLContext(NonnullRefPtr<Gfx::SkiaBackendContext>, Impl, WebGLVersion, DrawingBufferOptions);
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~OpenGLContext();
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void make_current();
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void present(bool preserve_drawing_buffer);
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void set_size(Gfx::IntSize const&);
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RefPtr<Gfx::PaintingSurface> surface();
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u32 default_framebuffer() const;
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u32 default_renderbuffer() const;
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Vector<String> get_supported_opengl_extensions();
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void request_extension(char const* extension_name);
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WebGLVersion webgl_version() const { return m_webgl_version; }
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private:
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NonnullRefPtr<Gfx::SkiaBackendContext> m_skia_backend_context;
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Gfx::IntSize m_size;
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RefPtr<Gfx::PaintingSurface> m_painting_surface;
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#ifdef AK_OS_MACOS
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OwnPtr<Gfx::SharedImageBuffer> m_shared_image_buffer;
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#endif
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NonnullOwnPtr<Impl> m_impl;
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Optional<Vector<String>> m_requestable_extensions;
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WebGLVersion m_webgl_version;
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[[maybe_unused]] DrawingBufferOptions m_drawing_buffer_options;
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void free_surface_resources();
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#if defined(AK_OS_MACOS)
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void allocate_iosurface_painting_surface();
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#elif defined(USE_VULKAN_IMAGES)
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void allocate_vkimage_painting_surface();
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#endif
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};
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}
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