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Try a different cache refresh on lag strategy

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This commit is contained in:
Yousef Khadadeh 2025-08-26 12:03:09 +03:00
parent 73fde8beb7
commit c302353bd9
7 changed files with 30 additions and 16 deletions
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30
src/DrawingProgram/DrawingProgram.cpp
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@ -233,6 +233,25 @@ void DrawingProgram::tool_options_gui() {
}
void DrawingProgram::update() {
if(world.main.window.lastFrameTime > std::chrono::milliseconds(33)) { // Around 30FPS
if(!badFrametimeTimePoint)
badFrametimeTimePoint = std::chrono::steady_clock::now();
else if(unorderedObjectsExistTimePoint && std::chrono::steady_clock::now() - badFrametimeTimePoint.value() >= std::chrono::seconds(5) && std::chrono::steady_clock::now() - unorderedObjectsExistTimePoint.value() >= std::chrono::seconds(5)) {
force_rebuild_cache();
unorderedObjectsExistTimePoint = std::nullopt;
badFrametimeTimePoint = std::nullopt;
}
}
else
badFrametimeTimePoint = std::nullopt;
if(compCache.get_unsorted_component_list().empty()) {
unorderedObjectsExistTimePoint = std::nullopt;
}
else if(!unorderedObjectsExistTimePoint) {
unorderedObjectsExistTimePoint = std::chrono::steady_clock::now();
}
if(drawTool->get_type() == DrawingProgramToolType::BRUSH && world.main.input.pen.isEraser && !temporaryEraser) {
switch_to_tool(DrawingProgramToolType::ERASER);
temporaryEraser = true;
@ -569,8 +588,6 @@ void DrawingProgram::write_to_file(cereal::PortableBinaryOutputArchive& a) {
}
void DrawingProgram::draw(SkCanvas* canvas, const DrawData& drawData) {
std::chrono::microseconds timeToDrawUnsortedComponents(0);
if(drawData.dontUseDrawProgCache) {
parallel_loop_all_components([&](auto& c) {
c->obj->calculate_draw_transform(drawData);
@ -584,9 +601,7 @@ void DrawingProgram::draw(SkCanvas* canvas, const DrawData& drawData) {
canvas->saveLayer(nullptr, nullptr);
canvas->clear(SkColor4f{0.0f, 0.0f, 0.0f, 0.0f});
compCache.refresh_all_draw_cache(drawData);
compCache.draw_components_to_canvas(canvas, drawData, {
.timeToDrawUnsortedComponents = &timeToDrawUnsortedComponents
});
compCache.draw_components_to_canvas(canvas, drawData, {});
canvas->saveLayer(nullptr, nullptr);
selection.draw_components(canvas, drawData);
canvas->restore();
@ -595,11 +610,6 @@ void DrawingProgram::draw(SkCanvas* canvas, const DrawData& drawData) {
}
drawTool->draw(canvas, drawData);
// 10ms is an arbitrary value. If drawing only the unsorted components takes more than that amount of time,
// they're definitely causing lag and must be sorted so that they can be cached
if(timeToDrawUnsortedComponents >= std::chrono::microseconds(10000))
force_rebuild_cache();
}
Vector4f* DrawingProgram::get_foreground_color_ptr() {