mirror of
https://github.com/RGBCube/serenity
synced 2025-05-31 20:28:11 +00:00
WindowServer: Factor out compositing from WSWindowManager into WSCompositor.
This is far from finished and the two classes are awkwardly grabbing at each other's innards, but here's a first step in the right direction.
This commit is contained in:
Andreas Kling
parent
508007f1dd
commit
ad908f1395
11 changed files with 487 additions and 426 deletions
334
Servers/WindowServer/WSCompositor.cpp
Normal file
334
Servers/WindowServer/WSCompositor.cpp
Normal file
|
|
@ -0,0 +1,334 @@
|
|||
#include "WSCompositor.h"
|
||||
#include "WSEvent.h"
|
||||
#include "WSEventLoop.h"
|
||||
#include "WSScreen.h"
|
||||
#include "WSWindow.h"
|
||||
#include "WSWindowManager.h"
|
||||
#include <SharedGraphics/Font.h>
|
||||
#include <SharedGraphics/PNGLoader.h>
|
||||
#include <SharedGraphics/Painter.h>
|
||||
|
||||
WSCompositor& WSCompositor::the()
|
||||
{
|
||||
static WSCompositor s_the;
|
||||
return s_the;
|
||||
}
|
||||
|
||||
WSCompositor::WSCompositor()
|
||||
{
|
||||
auto size = WSScreen::the().size();
|
||||
m_front_bitmap = GraphicsBitmap::create_wrapper(GraphicsBitmap::Format::RGB32, size, WSScreen::the().scanline(0));
|
||||
m_back_bitmap = GraphicsBitmap::create_wrapper(GraphicsBitmap::Format::RGB32, size, WSScreen::the().scanline(size.height()));
|
||||
|
||||
m_front_painter = make<Painter>(*m_front_bitmap);
|
||||
m_back_painter = make<Painter>(*m_back_bitmap);
|
||||
|
||||
m_wallpaper_path = "/res/wallpapers/retro.rgb";
|
||||
m_wallpaper = GraphicsBitmap::load_from_file(GraphicsBitmap::Format::RGBA32, m_wallpaper_path, { 1024, 768 });
|
||||
}
|
||||
|
||||
void WSCompositor::event(CEvent& event)
|
||||
{
|
||||
if (event.type() == WSEvent::WM_DeferredCompose) {
|
||||
m_pending_compose_event = false;
|
||||
compose();
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
void WSCompositor::compose()
|
||||
{
|
||||
auto& wm = WSWindowManager::the();
|
||||
|
||||
auto dirty_rects = move(m_dirty_rects);
|
||||
dirty_rects.add(Rect::intersection(m_last_geometry_label_rect, WSScreen::the().rect()));
|
||||
dirty_rects.add(Rect::intersection(m_last_cursor_rect, WSScreen::the().rect()));
|
||||
dirty_rects.add(Rect::intersection(current_cursor_rect(), WSScreen::the().rect()));
|
||||
#ifdef DEBUG_COUNTERS
|
||||
dbgprintf("[WM] compose #%u (%u rects)\n", ++m_compose_count, dirty_rects.rects().size());
|
||||
#endif
|
||||
|
||||
auto any_dirty_rect_intersects_window = [&dirty_rects] (const WSWindow& window) {
|
||||
auto window_frame_rect = window.frame().rect();
|
||||
for (auto& dirty_rect : dirty_rects.rects()) {
|
||||
if (dirty_rect.intersects(window_frame_rect))
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
};
|
||||
|
||||
for (auto& dirty_rect : dirty_rects.rects()) {
|
||||
if (wm.any_opaque_window_contains_rect(dirty_rect))
|
||||
continue;
|
||||
if (!m_wallpaper)
|
||||
m_back_painter->fill_rect(dirty_rect, wm.m_background_color);
|
||||
else
|
||||
m_back_painter->blit(dirty_rect.location(), *m_wallpaper, dirty_rect);
|
||||
}
|
||||
|
||||
auto compose_window = [&] (WSWindow& window) -> IterationDecision {
|
||||
if (!any_dirty_rect_intersects_window(window))
|
||||
return IterationDecision::Continue;
|
||||
PainterStateSaver saver(*m_back_painter);
|
||||
m_back_painter->add_clip_rect(window.frame().rect());
|
||||
RetainPtr<GraphicsBitmap> backing_store = window.backing_store();
|
||||
for (auto& dirty_rect : dirty_rects.rects()) {
|
||||
if (wm.any_opaque_window_above_this_one_contains_rect(window, dirty_rect))
|
||||
continue;
|
||||
PainterStateSaver saver(*m_back_painter);
|
||||
m_back_painter->add_clip_rect(dirty_rect);
|
||||
if (!backing_store)
|
||||
m_back_painter->fill_rect(dirty_rect, window.background_color());
|
||||
if (!window.is_fullscreen())
|
||||
window.frame().paint(*m_back_painter);
|
||||
if (!backing_store)
|
||||
continue;
|
||||
Rect dirty_rect_in_window_coordinates = Rect::intersection(dirty_rect, window.rect());
|
||||
if (dirty_rect_in_window_coordinates.is_empty())
|
||||
continue;
|
||||
dirty_rect_in_window_coordinates.move_by(-window.position());
|
||||
auto dst = window.position();
|
||||
dst.move_by(dirty_rect_in_window_coordinates.location());
|
||||
|
||||
m_back_painter->blit(dst, *backing_store, dirty_rect_in_window_coordinates, window.opacity());
|
||||
|
||||
if (backing_store->width() < window.width()) {
|
||||
Rect right_fill_rect { window.x() + backing_store->width(), window.y(), window.width() - backing_store->width(), window.height() };
|
||||
m_back_painter->fill_rect(right_fill_rect, window.background_color());
|
||||
}
|
||||
|
||||
if (backing_store->height() < window.height()) {
|
||||
Rect bottom_fill_rect { window.x(), window.y() + backing_store->height(), window.width(), window.height() - backing_store->height() };
|
||||
m_back_painter->fill_rect(bottom_fill_rect, window.background_color());
|
||||
}
|
||||
}
|
||||
return IterationDecision::Continue;
|
||||
};
|
||||
|
||||
if (auto* fullscreen_window = wm.active_fullscreen_window()) {
|
||||
compose_window(*fullscreen_window);
|
||||
} else {
|
||||
wm.for_each_visible_window_from_back_to_front([&] (WSWindow& window) {
|
||||
return compose_window(window);
|
||||
});
|
||||
|
||||
draw_geometry_label();
|
||||
draw_menubar();
|
||||
}
|
||||
|
||||
draw_cursor();
|
||||
|
||||
if (m_flash_flush) {
|
||||
for (auto& rect : dirty_rects.rects())
|
||||
m_front_painter->fill_rect(rect, Color::Yellow);
|
||||
}
|
||||
|
||||
flip_buffers();
|
||||
for (auto& r : dirty_rects.rects())
|
||||
flush(r);
|
||||
}
|
||||
|
||||
void WSCompositor::flush(const Rect& a_rect)
|
||||
{
|
||||
auto rect = Rect::intersection(a_rect, WSScreen::the().rect());
|
||||
|
||||
#ifdef DEBUG_COUNTERS
|
||||
dbgprintf("[WM] flush #%u (%d,%d %dx%d)\n", ++m_flush_count, rect.x(), rect.y(), rect.width(), rect.height());
|
||||
#endif
|
||||
|
||||
const RGBA32* front_ptr = m_front_bitmap->scanline(rect.y()) + rect.x();
|
||||
RGBA32* back_ptr = m_back_bitmap->scanline(rect.y()) + rect.x();
|
||||
size_t pitch = m_back_bitmap->pitch();
|
||||
|
||||
for (int y = 0; y < rect.height(); ++y) {
|
||||
fast_dword_copy(back_ptr, front_ptr, rect.width());
|
||||
front_ptr = (const RGBA32*)((const byte*)front_ptr + pitch);
|
||||
back_ptr = (RGBA32*)((byte*)back_ptr + pitch);
|
||||
}
|
||||
}
|
||||
|
||||
void WSCompositor::invalidate()
|
||||
{
|
||||
m_dirty_rects.clear_with_capacity();
|
||||
invalidate(WSScreen::the().rect());
|
||||
}
|
||||
|
||||
void WSCompositor::invalidate(const Rect& a_rect)
|
||||
{
|
||||
auto rect = Rect::intersection(a_rect, WSScreen::the().rect());
|
||||
if (rect.is_empty())
|
||||
return;
|
||||
|
||||
m_dirty_rects.add(rect);
|
||||
|
||||
if (!m_pending_compose_event) {
|
||||
WSEventLoop::the().post_event(*this, make<WSEvent>(WSEvent::WM_DeferredCompose));
|
||||
m_pending_compose_event = true;
|
||||
}
|
||||
}
|
||||
|
||||
bool WSCompositor::set_wallpaper(const String& path, Function<void(bool)>&& callback)
|
||||
{
|
||||
struct Context {
|
||||
String path;
|
||||
RetainPtr<GraphicsBitmap> bitmap;
|
||||
Function<void(bool)> callback;
|
||||
};
|
||||
auto context = make<Context>();
|
||||
context->path = path;
|
||||
context->callback = move(callback);
|
||||
|
||||
int rc = create_thread([] (void* ctx) -> int {
|
||||
OwnPtr<Context> context((Context*)ctx);
|
||||
context->bitmap = load_png(context->path);
|
||||
if (!context->bitmap) {
|
||||
context->callback(false);
|
||||
exit_thread(0);
|
||||
return 0;
|
||||
}
|
||||
the().deferred_invoke([context = move(context)] (auto&) {
|
||||
the().finish_setting_wallpaper(context->path, *context->bitmap);
|
||||
context->callback(true);
|
||||
});
|
||||
exit_thread(0);
|
||||
return 0;
|
||||
}, context.leak_ptr());
|
||||
ASSERT(rc == 0);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void WSCompositor::finish_setting_wallpaper(const String& path, Retained<GraphicsBitmap>&& bitmap)
|
||||
{
|
||||
m_wallpaper_path = path;
|
||||
m_wallpaper = move(bitmap);
|
||||
invalidate();
|
||||
}
|
||||
|
||||
void WSCompositor::flip_buffers()
|
||||
{
|
||||
swap(m_front_bitmap, m_back_bitmap);
|
||||
swap(m_front_painter, m_back_painter);
|
||||
int new_y_offset = m_buffers_are_flipped ? 0 : WSScreen::the().height();
|
||||
WSScreen::the().set_y_offset(new_y_offset);
|
||||
m_buffers_are_flipped = !m_buffers_are_flipped;
|
||||
}
|
||||
|
||||
void WSCompositor::set_resolution(int width, int height)
|
||||
{
|
||||
auto screen_rect = WSScreen::the().rect();
|
||||
if (screen_rect.width() == width && screen_rect.height() == height)
|
||||
return;
|
||||
m_wallpaper_path = { };
|
||||
m_wallpaper = nullptr;
|
||||
WSScreen::the().set_resolution(width, height);
|
||||
m_front_bitmap = GraphicsBitmap::create_wrapper(GraphicsBitmap::Format::RGB32, { width, height }, WSScreen::the().scanline(0));
|
||||
m_back_bitmap = GraphicsBitmap::create_wrapper(GraphicsBitmap::Format::RGB32, { width, height }, WSScreen::the().scanline(height));
|
||||
m_front_painter = make<Painter>(*m_front_bitmap);
|
||||
m_back_painter = make<Painter>(*m_back_bitmap);
|
||||
m_buffers_are_flipped = false;
|
||||
invalidate();
|
||||
compose();
|
||||
}
|
||||
|
||||
Rect WSCompositor::current_cursor_rect() const
|
||||
{
|
||||
auto& wm = WSWindowManager::the();
|
||||
return { WSScreen::the().cursor_location().translated(-wm.active_cursor().hotspot()), wm.active_cursor().size() };
|
||||
}
|
||||
|
||||
void WSCompositor::invalidate_cursor()
|
||||
{
|
||||
invalidate(current_cursor_rect());
|
||||
}
|
||||
|
||||
void WSCompositor::draw_geometry_label()
|
||||
{
|
||||
auto& wm = WSWindowManager::the();
|
||||
auto* window_being_moved_or_resized = wm.m_drag_window ? wm.m_drag_window.ptr() : (wm.m_resize_window ? wm.m_resize_window.ptr() : nullptr);
|
||||
if (!window_being_moved_or_resized) {
|
||||
m_last_geometry_label_rect = { };
|
||||
return;
|
||||
}
|
||||
auto geometry_string = window_being_moved_or_resized->rect().to_string();
|
||||
if (!window_being_moved_or_resized->size_increment().is_null()) {
|
||||
int width_steps = (window_being_moved_or_resized->width() - window_being_moved_or_resized->base_size().width()) / window_being_moved_or_resized->size_increment().width();
|
||||
int height_steps = (window_being_moved_or_resized->height() - window_being_moved_or_resized->base_size().height()) / window_being_moved_or_resized->size_increment().height();
|
||||
geometry_string = String::format("%s (%dx%d)", geometry_string.characters(), width_steps, height_steps);
|
||||
}
|
||||
auto geometry_label_rect = Rect { 0, 0, wm.font().width(geometry_string) + 16, wm.font().glyph_height() + 10 };
|
||||
geometry_label_rect.center_within(window_being_moved_or_resized->rect());
|
||||
m_back_painter->fill_rect(geometry_label_rect, Color::LightGray);
|
||||
m_back_painter->draw_rect(geometry_label_rect, Color::DarkGray);
|
||||
m_back_painter->draw_text(geometry_label_rect, geometry_string, TextAlignment::Center);
|
||||
m_last_geometry_label_rect = geometry_label_rect;
|
||||
}
|
||||
|
||||
void WSCompositor::draw_cursor()
|
||||
{
|
||||
auto& wm = WSWindowManager::the();
|
||||
Rect cursor_rect = current_cursor_rect();
|
||||
Color inner_color = Color::White;
|
||||
Color outer_color = Color::Black;
|
||||
if (WSScreen::the().mouse_button_state() & (unsigned)MouseButton::Left)
|
||||
swap(inner_color, outer_color);
|
||||
m_back_painter->blit(cursor_rect.location(), wm.active_cursor().bitmap(), wm.active_cursor().rect());
|
||||
m_last_cursor_rect = cursor_rect;
|
||||
}
|
||||
|
||||
void WSCompositor::draw_menubar()
|
||||
{
|
||||
auto& wm = WSWindowManager::the();
|
||||
auto menubar_rect = wm.menubar_rect();
|
||||
|
||||
m_back_painter->fill_rect(menubar_rect, Color::LightGray);
|
||||
m_back_painter->draw_line({ 0, menubar_rect.bottom() }, { menubar_rect.right(), menubar_rect.bottom() }, Color::MidGray);
|
||||
int index = 0;
|
||||
wm.for_each_active_menubar_menu([&] (WSMenu& menu) {
|
||||
Color text_color = Color::Black;
|
||||
if (&menu == wm.current_menu()) {
|
||||
m_back_painter->fill_rect(menu.rect_in_menubar(), wm.menu_selection_color());
|
||||
text_color = Color::White;
|
||||
}
|
||||
m_back_painter->draw_text(
|
||||
menu.text_rect_in_menubar(),
|
||||
menu.name(),
|
||||
index == 1 ? wm.app_menu_font() : wm.menu_font(),
|
||||
TextAlignment::CenterLeft,
|
||||
text_color
|
||||
);
|
||||
++index;
|
||||
return true;
|
||||
});
|
||||
|
||||
int username_width = Font::default_bold_font().width(wm.m_username);
|
||||
Rect username_rect {
|
||||
menubar_rect.right() - wm.menubar_menu_margin() / 2 - Font::default_bold_font().width(wm.m_username),
|
||||
menubar_rect.y(),
|
||||
username_width,
|
||||
menubar_rect.height()
|
||||
};
|
||||
m_back_painter->draw_text(username_rect, wm.m_username, Font::default_bold_font(), TextAlignment::CenterRight, Color::Black);
|
||||
|
||||
time_t now = time(nullptr);
|
||||
auto* tm = localtime(&now);
|
||||
auto time_text = String::format("%4u-%02u-%02u %02u:%02u:%02u",
|
||||
tm->tm_year + 1900,
|
||||
tm->tm_mon + 1,
|
||||
tm->tm_mday,
|
||||
tm->tm_hour,
|
||||
tm->tm_min,
|
||||
tm->tm_sec);
|
||||
int time_width = wm.font().width(time_text);
|
||||
Rect time_rect {
|
||||
username_rect.left() - wm.menubar_menu_margin() / 2 - time_width,
|
||||
menubar_rect.y(),
|
||||
time_width,
|
||||
menubar_rect.height()
|
||||
};
|
||||
|
||||
m_back_painter->draw_text(time_rect, time_text, wm.font(), TextAlignment::CenterRight, Color::Black);
|
||||
|
||||
Rect cpu_rect { time_rect.right() - wm.font().width(time_text) - wm.m_cpu_monitor.capacity() - 10, time_rect.y() + 1, wm.m_cpu_monitor.capacity(), time_rect.height() - 2 };
|
||||
wm.m_cpu_monitor.paint(*m_back_painter, cpu_rect);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue