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https://github.com/LadybirdBrowser/ladybird.git
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Add a Vector::clear_with_capacity() that doesn't release the backing store.
Use this for WindowManager's dirty rects to avoid kmalloc traffic.
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parent
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commit
8068b8e09e
Notes:
sideshowbarker
2024-07-19 16:04:18 +09:00
Author: https://github.com/awesomekling Commit: https://github.com/SerenityOS/serenity/commit/8068b8e09e1
@ -100,6 +100,15 @@ public:
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m_impl = nullptr;
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m_impl = nullptr;
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}
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}
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void clear_with_capacity()
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{
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if (!m_impl)
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return;
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for (size_t i = 0; i < size(); ++i)
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at(i).~T();
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m_impl->m_size = 0;
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}
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bool contains_slow(const T& value) const
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bool contains_slow(const T& value) const
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{
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{
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for (size_t i = 0; i < size(); ++i) {
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for (size_t i = 0; i < size(); ++i) {
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@ -223,6 +223,9 @@ void WindowManager::processMouseEvent(MouseEvent& event)
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void WindowManager::compose()
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void WindowManager::compose()
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{
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{
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printf("[WM] compose #%u (%u rects)\n", ++m_recompose_count, m_invalidated_rects.size());
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printf("[WM] compose #%u (%u rects)\n", ++m_recompose_count, m_invalidated_rects.size());
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dbgprintf("kmalloc stats: alloc:%u free:%u eternal:%u\n", sum_alloc, sum_free, kmalloc_sum_eternal);
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auto any_window_contains_rect = [this] (const Rect& r) {
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auto any_window_contains_rect = [this] (const Rect& r) {
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for (auto* window = m_windows_in_order.head(); window; window = window->next()) {
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for (auto* window = m_windows_in_order.head(); window; window = window->next()) {
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if (outerRectForWindow(window->rect()).contains(r))
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if (outerRectForWindow(window->rect()).contains(r))
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@ -235,7 +238,7 @@ void WindowManager::compose()
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for (auto& r : m_invalidated_rects) {
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for (auto& r : m_invalidated_rects) {
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if (any_window_contains_rect(r))
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if (any_window_contains_rect(r))
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continue;
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continue;
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dbgprintf("Repaint root %d,%d %dx%d\n", r.x(), r.y(), r.width(), r.height());
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//dbgprintf("Repaint root %d,%d %dx%d\n", r.x(), r.y(), r.width(), r.height());
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painter.fillRect(r, Color(0, 72, 96));
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painter.fillRect(r, Color(0, 72, 96));
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}
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}
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}
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}
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@ -249,7 +252,7 @@ void WindowManager::compose()
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for (auto& r : m_invalidated_rects) {
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for (auto& r : m_invalidated_rects) {
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flush(r);
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flush(r);
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}
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}
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m_invalidated_rects.clear();
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m_invalidated_rects.clear_with_capacity();
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}
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}
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void WindowManager::redraw_cursor()
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void WindowManager::redraw_cursor()
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@ -311,7 +314,7 @@ bool WindowManager::isVisible(Window& window) const
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void WindowManager::invalidate()
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void WindowManager::invalidate()
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{
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{
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m_invalidated_rects.clear();
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m_invalidated_rects.clear_with_capacity();
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m_invalidated_rects.append(AbstractScreen::the().rect());
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m_invalidated_rects.append(AbstractScreen::the().rect());
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}
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}
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