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// Copyright 2019 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <utility>
#include <fmt/format.h>
#include "common/assert.h"
#include "core/core.h"
#include "core/hle/kernel/k_event.h"
#include "core/hle/kernel/k_readable_event.h"
#include "core/hle/kernel/k_writable_event.h"
#include "core/hle/service/vi/display/vi_display.h"
#include "core/hle/service/vi/layer/vi_layer.h"
namespace Service::VI {
Display::Display(u64 id, std::string name_, Core::System& system)
: display_id{id}, name{std::move(name_)}, vsync_event{system.Kernel()} {
Kernel::KAutoObject::Create(std::addressof(vsync_event));
vsync_event.Initialize(fmt::format("Display VSync Event {}", id));
}
Display::~Display() = default;
Layer& Display::GetLayer(std::size_t index) {
return *layers.at(index);
}
const Layer& Display::GetLayer(std::size_t index) const {
return *layers.at(index);
}
Kernel::KReadableEvent& Display::GetVSyncEvent() {
return vsync_event.GetReadableEvent();
}
void Display::SignalVSyncEvent() {
vsync_event.GetWritableEvent().Signal();
}
void Display::CreateLayer(u64 layer_id, NVFlinger::BufferQueue& buffer_queue) {
// TODO(Subv): Support more than 1 layer.
ASSERT_MSG(layers.empty(), "Only one layer is supported per display at the moment");
layers.emplace_back(std::make_shared<Layer>(layer_id, buffer_queue));
}
void Display::CloseLayer(u64 layer_id) {
std::erase_if(layers, [layer_id](const auto& layer) { return layer->GetID() == layer_id; });
}
Layer* Display::FindLayer(u64 layer_id) {
const auto itr =
std::find_if(layers.begin(), layers.end(), [layer_id](const std::shared_ptr<Layer>& layer) {
return layer->GetID() == layer_id;
});
if (itr == layers.end()) {
return nullptr;
}
return itr->get();
}
const Layer* Display::FindLayer(u64 layer_id) const {
const auto itr =
std::find_if(layers.begin(), layers.end(), [layer_id](const std::shared_ptr<Layer>& layer) {
return layer->GetID() == layer_id;
});
if (itr == layers.end()) {
return nullptr;
}
return itr->get();
}
} // namespace Service::VI
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