mirror of
https://github.com/RGBCube/serenity
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9ff1fa1cf3
Keep track of areas that overlays were rendered to when we recompute occlusions. This allows us to then easily figure out areas where overlays were moved from or removed from.
256 lines
8.6 KiB
C++
256 lines
8.6 KiB
C++
/*
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* Copyright (c) 2018-2023, Andreas Kling <kling@serenityos.org>
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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/OwnPtr.h>
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#include <AK/RefPtr.h>
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#include <LibCore/Object.h>
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#include <LibGfx/Color.h>
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#include <LibGfx/DisjointRectSet.h>
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#include <LibGfx/Font/Font.h>
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#include <WindowServer/Overlays.h>
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namespace WindowServer {
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class Animation;
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class ConnectionFromClient;
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class Compositor;
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class Cursor;
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class MultiScaleBitmaps;
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class Window;
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class WindowManager;
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class WindowStack;
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enum class WallpaperMode {
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Tile,
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Center,
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Stretch,
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Unchecked
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};
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struct CompositorScreenData {
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RefPtr<Gfx::Bitmap> m_front_bitmap;
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RefPtr<Gfx::Bitmap> m_back_bitmap;
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RefPtr<Gfx::Bitmap> m_temp_bitmap;
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RefPtr<Gfx::Bitmap const> m_wallpaper_bitmap;
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OwnPtr<Gfx::Painter> m_back_painter;
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OwnPtr<Gfx::Painter> m_front_painter;
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OwnPtr<Gfx::Painter> m_temp_painter;
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RefPtr<Gfx::Bitmap> m_cursor_back_bitmap;
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OwnPtr<Gfx::Painter> m_cursor_back_painter;
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Gfx::IntRect m_last_cursor_rect;
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OwnPtr<ScreenNumberOverlay> m_screen_number_overlay;
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OwnPtr<WindowStackSwitchOverlay> m_window_stack_switch_overlay;
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bool m_buffers_are_flipped { false };
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bool m_screen_can_set_buffer { false };
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bool m_has_flipped { false };
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bool m_cursor_back_is_valid { false };
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bool m_have_flush_rects { false };
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Gfx::DisjointIntRectSet m_flush_rects;
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Gfx::DisjointIntRectSet m_flush_transparent_rects;
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Gfx::DisjointIntRectSet m_flush_special_rects;
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Gfx::Painter& overlay_painter() { return *m_temp_painter; }
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void init_bitmaps(Compositor&, Screen&);
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void flip_buffers(Screen&);
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void draw_cursor(Screen&, Gfx::IntRect const&);
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bool restore_cursor_back(Screen&, Gfx::IntRect&);
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void clear_wallpaper_bitmap();
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template<typename F>
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IterationDecision for_each_intersected_flushing_rect(Gfx::IntRect const& intersecting_rect, F f)
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{
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auto iterate_flush_rects = [&](Gfx::DisjointIntRectSet const& flush_rects) {
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for (auto& rect : flush_rects.rects()) {
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auto intersection = intersecting_rect.intersected(rect);
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if (intersection.is_empty())
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continue;
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IterationDecision decision = f(intersection);
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if (decision != IterationDecision::Continue)
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return decision;
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}
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return IterationDecision::Continue;
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};
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auto decision = iterate_flush_rects(m_flush_rects);
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if (decision != IterationDecision::Continue)
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return decision;
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// We do not have to iterate m_flush_special_rects here as these
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// technically should be removed anyway. m_flush_rects and
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// m_flush_transparent_rects should cover everything already
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return iterate_flush_rects(m_flush_transparent_rects);
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}
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};
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class Compositor final : public Core::Object {
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C_OBJECT(Compositor)
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friend struct CompositorScreenData;
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friend class Overlay;
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public:
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static Compositor& the();
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void compose();
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void invalidate_window();
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void invalidate_screen();
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void invalidate_screen(Gfx::IntRect const&);
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void invalidate_screen(Gfx::DisjointIntRectSet const&);
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void screen_resolution_changed();
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bool set_background_color(DeprecatedString const& background_color);
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bool set_wallpaper_mode(DeprecatedString const& mode);
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bool set_wallpaper(RefPtr<Gfx::Bitmap const>);
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RefPtr<Gfx::Bitmap const> wallpaper_bitmap() const { return m_wallpaper; }
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void invalidate_cursor(bool = false);
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Gfx::IntRect current_cursor_rect() const;
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Cursor const* current_cursor() const { return m_current_cursor; }
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void current_cursor_was_reloaded(Cursor const* new_cursor) { change_cursor(new_cursor); }
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void increment_display_link_count(Badge<ConnectionFromClient>);
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void decrement_display_link_count(Badge<ConnectionFromClient>);
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void increment_show_screen_number(Badge<ConnectionFromClient>);
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void decrement_show_screen_number(Badge<ConnectionFromClient>);
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bool showing_screen_numbers() const { return m_show_screen_number_count > 0; }
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void invalidate_after_theme_or_font_change()
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{
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update_fonts();
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invalidate_occlusions();
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overlays_theme_changed();
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invalidate_screen();
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}
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void invalidate_occlusions() { m_occlusions_dirty = true; }
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void overlay_rects_changed();
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template<typename T, typename... Args>
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OwnPtr<T> create_overlay(Args&&... args)
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{
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return adopt_own(*new T(forward<Args>(args)...));
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}
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template<typename F>
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IterationDecision for_each_overlay(F f)
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{
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for (auto& overlay : m_overlay_list) {
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IterationDecision decision = f(overlay);
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if (decision != IterationDecision::Continue)
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return decision;
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}
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return IterationDecision::Continue;
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}
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template<typename F>
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IterationDecision for_each_rendering_window_stack(F f)
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{
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VERIFY(m_current_window_stack);
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IterationDecision decision = f(*m_current_window_stack);
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if (decision != IterationDecision::Continue)
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return decision;
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if (m_transitioning_to_window_stack)
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decision = f(*m_transitioning_to_window_stack);
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return decision;
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}
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[[nodiscard]] WindowStack& get_rendering_window_stacks(WindowStack*& transitioning_window_stack)
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{
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transitioning_window_stack = m_transitioning_to_window_stack;
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return *m_current_window_stack;
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}
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bool is_switching_window_stacks() const { return m_transitioning_to_window_stack != nullptr; }
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void switch_to_window_stack(WindowStack&, bool);
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void set_current_window_stack_no_transition(WindowStack&);
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void invalidate_for_window_stack_merge_or_change();
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void did_construct_window_manager(Badge<WindowManager>);
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Gfx::Bitmap const* cursor_bitmap_for_screenshot(Badge<ConnectionFromClient>, Screen&) const;
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Gfx::Bitmap const& front_bitmap_for_screenshot(Badge<ConnectionFromClient>, Screen&) const;
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Gfx::Color color_at_position(Badge<ConnectionFromClient>, Screen&, Gfx::IntPoint) const;
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void register_animation(Badge<Animation>, Animation&);
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void unregister_animation(Badge<Animation>, Animation&);
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void set_flash_flush(bool b) { m_flash_flush = b; }
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static NonnullOwnPtr<CompositorScreenData> create_screen_data(Badge<Screen>)
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{
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return adopt_own(*new CompositorScreenData());
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}
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private:
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Compositor();
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void init_bitmaps();
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void invalidate_current_screen_number_rects();
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void overlays_theme_changed();
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void render_overlays();
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void add_overlay(Overlay&);
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void remove_overlay(Overlay&);
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void update_fonts();
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void notify_display_links();
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void start_compose_async_timer();
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void recompute_overlay_rects();
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void recompute_occlusions();
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void change_cursor(Cursor const*);
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void flush(Screen&);
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Gfx::IntPoint window_transition_offset(Window&);
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void update_animations(Screen&, Gfx::DisjointIntRectSet& flush_rects);
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void create_window_stack_switch_overlay(WindowStack&);
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void remove_window_stack_switch_overlays();
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void stop_window_stack_switch_overlay_timer();
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void start_window_stack_switch_overlay_timer();
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void finish_window_stack_switch();
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void update_wallpaper_bitmap();
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RefPtr<Core::Timer> m_compose_timer;
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RefPtr<Core::Timer> m_immediate_compose_timer;
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bool m_flash_flush { false };
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bool m_occlusions_dirty { true };
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bool m_invalidated_any { true };
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bool m_invalidated_window { false };
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bool m_invalidated_cursor { false };
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bool m_overlay_rects_changed { false };
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bool m_animations_running { false };
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IntrusiveList<&Overlay::m_list_node> m_overlay_list;
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Gfx::DisjointIntRectSet m_overlay_rects;
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Gfx::DisjointIntRectSet m_last_rendered_overlay_rects;
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Gfx::DisjointIntRectSet m_dirty_screen_rects;
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Gfx::DisjointIntRectSet m_opaque_wallpaper_rects;
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Gfx::DisjointIntRectSet m_transparent_wallpaper_rects;
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WallpaperMode m_wallpaper_mode { WallpaperMode::Unchecked };
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RefPtr<Gfx::Bitmap const> m_wallpaper;
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Cursor const* m_current_cursor { nullptr };
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Screen* m_current_cursor_screen { nullptr };
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unsigned m_current_cursor_frame { 0 };
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RefPtr<Core::Timer> m_cursor_timer;
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RefPtr<Core::Timer> m_display_link_notify_timer;
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size_t m_display_link_count { 0 };
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WindowStack* m_current_window_stack { nullptr };
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WindowStack* m_transitioning_to_window_stack { nullptr };
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RefPtr<Animation> m_window_stack_transition_animation;
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RefPtr<Core::Timer> m_stack_switch_overlay_timer;
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size_t m_show_screen_number_count { 0 };
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Optional<Gfx::Color> m_custom_background_color;
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HashTable<Animation*> m_animations;
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};
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}
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