early-access version 2003
This commit is contained in:
pineappleEA
parent
dde6e66bd1
commit
07a248f589
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@ -1,7 +1,7 @@
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yuzu emulator early access
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=============
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This is the source code for early-access 2000.
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This is the source code for early-access 2003.
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## Legal Notice
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@ -4,242 +4,175 @@
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#pragma once
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// a simple lockless thread-safe,
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// single reader, single writer queue
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#include <atomic>
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#include <condition_variable>
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#include <iostream>
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#include <cstddef>
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#include <mutex>
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#include <optional>
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#include <utility>
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namespace Common {
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/// a more foolproof multiple reader, multiple writer queue
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template <typename T>
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class MPMCQueue {
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#define ABORT() \
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do { \
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std::cerr << __FILE__ " ERR " << __LINE__ << std::endl; \
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abort(); \
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} while (0)
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class SPSCQueue {
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public:
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~MPMCQueue() {
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Clear();
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if (waiting || head || tail) {
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// Remove all the ABORT() after 1 month merged without problems
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ABORT();
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}
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SPSCQueue() {
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write_ptr = read_ptr = new ElementPtr();
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}
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~SPSCQueue() {
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// this will empty out the whole queue
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delete read_ptr;
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}
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[[nodiscard]] std::size_t Size() const {
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return size.load();
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}
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[[nodiscard]] bool Empty() const {
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return Size() == 0;
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}
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[[nodiscard]] T& Front() const {
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return read_ptr->current;
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}
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template <typename Arg>
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void Push(Arg&& t) {
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Node* const node = new Node(std::forward<Arg>(t));
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if (!node || node == PLACEHOLDER) {
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ABORT();
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}
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while (true) {
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if (Node* const previous = tail.load(ACQUIRE)) {
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if (Node* exchange = nullptr;
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!previous->next.compare_exchange_weak(exchange, node, ACQ_REL)) {
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continue;
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}
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if (tail.exchange(node, ACQ_REL) != previous) {
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ABORT();
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}
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} else {
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if (Node* exchange = nullptr;
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!tail.compare_exchange_weak(exchange, node, ACQ_REL)) {
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continue;
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}
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for (Node* exchange = nullptr;
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!head.compare_exchange_weak(exchange, node, ACQ_REL);)
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;
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}
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break;
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}
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if (waiting.load(ACQUIRE)) {
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std::lock_guard lock{mutex};
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condition.notify_one();
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}
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// create the element, add it to the queue
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write_ptr->current = std::forward<Arg>(t);
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// set the next pointer to a new element ptr
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// then advance the write pointer
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ElementPtr* new_ptr = new ElementPtr();
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write_ptr->next.store(new_ptr, std::memory_order_release);
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write_ptr = new_ptr;
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++size;
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// cv_mutex must be held or else there will be a missed wakeup if the other thread is in the
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// line before cv.wait
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// TODO(bunnei): This can be replaced with C++20 waitable atomics when properly supported.
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// See discussion on https://github.com/yuzu-emu/yuzu/pull/3173 for details.
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std::lock_guard lock{cv_mutex};
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cv.notify_one();
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}
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void Pop() {
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--size;
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ElementPtr* tmpptr = read_ptr;
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// advance the read pointer
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read_ptr = tmpptr->next.load();
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// set the next element to nullptr to stop the recursive deletion
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tmpptr->next.store(nullptr);
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delete tmpptr; // this also deletes the element
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}
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bool Pop(T& t) {
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return PopImpl<false>(t);
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if (Empty())
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return false;
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--size;
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ElementPtr* tmpptr = read_ptr;
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read_ptr = tmpptr->next.load(std::memory_order_acquire);
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t = std::move(tmpptr->current);
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tmpptr->next.store(nullptr);
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delete tmpptr;
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return true;
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}
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void Wait() {
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if (Empty()) {
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std::unique_lock lock{cv_mutex};
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cv.wait(lock, [this]() { return !Empty(); });
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}
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}
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T PopWait() {
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Wait();
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T t;
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if (!PopImpl<true>(t)) {
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ABORT();
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}
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Pop(t);
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return t;
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}
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void Wait() {
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if (head.load(ACQUIRE)) {
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return;
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}
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static_cast<void>(waiting.fetch_add(1, ACQ_REL));
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std::unique_lock lock{mutex};
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while (true) {
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if (head.load(ACQUIRE)) {
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break;
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}
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condition.wait(lock);
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}
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if (!waiting.fetch_sub(1, ACQ_REL)) {
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ABORT();
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}
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}
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// not thread-safe
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void Clear() {
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while (true) {
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Node* const last = tail.load(ACQUIRE);
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if (!last) {
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return;
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}
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if (Node* exchange = nullptr;
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!last->next.compare_exchange_weak(exchange, PLACEHOLDER, ACQ_REL)) {
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continue;
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}
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if (tail.exchange(nullptr, ACQ_REL) != last) {
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ABORT();
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}
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Node* node = head.exchange(nullptr, ACQ_REL);
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while (node && node != PLACEHOLDER) {
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Node* next = node->next.load(ACQUIRE);
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delete node;
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node = next;
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}
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return;
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}
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size.store(0);
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delete read_ptr;
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write_ptr = read_ptr = new ElementPtr();
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}
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private:
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template <bool WAIT>
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bool PopImpl(T& t) {
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std::optional<std::unique_lock<std::mutex>> lock{std::nullopt};
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while (true) {
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Node* const node = head.load(ACQUIRE);
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if (!node) {
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if constexpr (!WAIT) {
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return false;
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}
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if (!lock) {
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static_cast<void>(waiting.fetch_add(1, ACQ_REL));
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lock = std::unique_lock{mutex};
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continue;
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}
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condition.wait(*lock);
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continue;
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}
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Node* const next = node->next.load(ACQUIRE);
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if (next) {
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if (next == PLACEHOLDER) {
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continue;
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}
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if (Node* exchange = node; !head.compare_exchange_weak(exchange, next, ACQ_REL)) {
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continue;
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}
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} else {
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if (Node* exchange = nullptr;
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!node->next.compare_exchange_weak(exchange, PLACEHOLDER, ACQ_REL)) {
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continue;
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}
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if (tail.exchange(nullptr, ACQ_REL) != node) {
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ABORT();
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}
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if (head.exchange(nullptr, ACQ_REL) != node) {
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ABORT();
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}
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}
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t = std::move(node->value);
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delete node;
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if (lock) {
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if (!waiting.fetch_sub(1, ACQ_REL)) {
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ABORT();
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}
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}
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return true;
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// stores a pointer to element
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// and a pointer to the next ElementPtr
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class ElementPtr {
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public:
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ElementPtr() {}
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~ElementPtr() {
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ElementPtr* next_ptr = next.load();
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if (next_ptr)
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delete next_ptr;
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}
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}
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struct Node {
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template <typename Arg>
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explicit Node(Arg&& t) : value{std::forward<Arg>(t)} {}
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Node(const Node&) = delete;
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Node& operator=(const Node&) = delete;
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Node(Node&&) = delete;
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Node& operator=(Node&&) = delete;
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const T value;
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std::atomic<Node*> next{nullptr};
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T current;
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std::atomic<ElementPtr*> next{nullptr};
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};
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// We only need to avoid SEQ_CST on X86
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// We can add RELAXED later if we port to ARM and it's too slow
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static constexpr auto ACQUIRE = std::memory_order_acquire;
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static constexpr auto ACQ_REL = std::memory_order_acq_rel;
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static inline const auto PLACEHOLDER = reinterpret_cast<Node*>(1);
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std::atomic<Node*> head{nullptr};
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std::atomic<Node*> tail{nullptr};
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std::atomic_size_t waiting{0};
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std::condition_variable condition{};
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std::mutex mutex{};
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#undef ABORT
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ElementPtr* write_ptr;
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ElementPtr* read_ptr;
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std::atomic_size_t size{0};
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std::mutex cv_mutex;
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std::condition_variable cv;
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};
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/// a simple lockless thread-safe,
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/// single reader, single writer queue
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// a simple thread-safe,
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// single reader, multiple writer queue
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template <typename T>
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class /*[[deprecated("Transition to MPMCQueue")]]*/ SPSCQueue {
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class MPSCQueue {
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public:
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[[nodiscard]] std::size_t Size() const {
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return spsc_queue.Size();
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}
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[[nodiscard]] bool Empty() const {
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return spsc_queue.Empty();
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}
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[[nodiscard]] T& Front() const {
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return spsc_queue.Front();
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}
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template <typename Arg>
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void Push(Arg&& t) {
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queue.Push(std::forward<Arg>(t));
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std::lock_guard lock{write_lock};
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spsc_queue.Push(t);
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}
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void Pop() {
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return spsc_queue.Pop();
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}
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bool Pop(T& t) {
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return queue.Pop(t);
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return spsc_queue.Pop(t);
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}
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void Wait() {
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queue.Wait();
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spsc_queue.Wait();
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}
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T PopWait() {
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return queue.PopWait();
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return spsc_queue.PopWait();
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}
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// not thread-safe
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void Clear() {
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queue.Clear();
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spsc_queue.Clear();
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}
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private:
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MPMCQueue<T> queue{};
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};
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/// a simple thread-safe,
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/// single reader, multiple writer queue
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template <typename T>
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class /*[[deprecated("Transition to MPMCQueue")]]*/ MPSCQueue {
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public:
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template <typename Arg>
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void Push(Arg&& t) {
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queue.Push(std::forward<Arg>(t));
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}
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bool Pop(T& t) {
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return queue.Pop(t);
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}
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T PopWait() {
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return queue.PopWait();
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}
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private:
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MPMCQueue<T> queue{};
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SPSCQueue<T> spsc_queue;
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std::mutex write_lock;
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};
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} // namespace Common
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@ -16,6 +16,30 @@
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namespace Service::AM::Applets {
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struct ErrorCode {
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u32 error_category{};
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u32 error_number{};
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static constexpr ErrorCode FromU64(u64 error_code) {
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return {
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.error_category{static_cast<u32>(error_code >> 32)},
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.error_number{static_cast<u32>(error_code & 0xFFFFFFFF)},
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};
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}
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static constexpr ErrorCode FromResultCode(ResultCode result) {
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return {
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.error_category{2000 + static_cast<u32>(result.module.Value())},
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.error_number{result.description.Value()},
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};
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}
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constexpr ResultCode ToResultCode() const {
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return ResultCode{static_cast<ErrorModule>(error_category - 2000), error_number};
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}
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};
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static_assert(sizeof(ErrorCode) == 0x8, "ErrorCode has incorrect size.");
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#pragma pack(push, 4)
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struct ShowError {
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u8 mode;
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@ -76,12 +100,7 @@ void CopyArgumentData(const std::vector<u8>& data, T& variable) {
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}
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ResultCode Decode64BitError(u64 error) {
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const auto description = (error >> 32) & 0x1FFF;
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auto module = error & 0x3FF;
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if (module >= 2000)
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module -= 2000;
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module &= 0x1FF;
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return {static_cast<ErrorModule>(module), static_cast<u32>(description)};
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return ErrorCode::FromU64(error).ToResultCode();
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}
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} // Anonymous namespace
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@ -298,14 +298,10 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) {
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if (IR::IsGeneric(attr)) {
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const u32 index{IR::GenericAttributeIndex(attr)};
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const std::optional<AttrInfo> type{AttrTypes(ctx, index)};
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if (!type) {
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// Attribute is disabled
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if (!type || !ctx.runtime_info.previous_stage_stores.Generic(index, element)) {
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// Attribute is disabled or varying component is not written
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return ctx.Const(element == 3 ? 1.0f : 0.0f);
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}
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if (!ctx.runtime_info.previous_stage_stores.Generic(index, element)) {
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// Varying component is not written
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return ctx.Const(type && element == 3 ? 1.0f : 0.0f);
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}
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const Id generic_id{ctx.input_generics.at(index)};
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const Id pointer{AttrPointer(ctx, type->pointer, vertex, generic_id, ctx.Const(element))};
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const Id value{ctx.OpLoad(type->id, pointer)};
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@ -664,18 +664,18 @@ void PlayerControlPreview::DrawHandheldController(QPainter& p, const QPointF cen
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// Face buttons
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p.setPen(colors.outline);
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button_color = colors.button;
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DrawCircleButton(p, face_center + QPoint(face_distance, 0), button_values[A], face_radius);
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DrawCircleButton(p, face_center + QPoint(0, face_distance), button_values[B], face_radius);
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DrawCircleButton(p, face_center + QPoint(0, -face_distance), button_values[X], face_radius);
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DrawCircleButton(p, face_center + QPoint(-face_distance, 0), button_values[Y], face_radius);
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DrawCircleButton(p, face_center + QPointF(face_distance, 0), button_values[A], face_radius);
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DrawCircleButton(p, face_center + QPointF(0, face_distance), button_values[B], face_radius);
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DrawCircleButton(p, face_center + QPointF(0, -face_distance), button_values[X], face_radius);
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DrawCircleButton(p, face_center + QPointF(-face_distance, 0), button_values[Y], face_radius);
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// Face buttons text
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p.setPen(colors.transparent);
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p.setBrush(colors.font);
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DrawSymbol(p, face_center + QPoint(face_distance, 0), Symbol::A, text_size);
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DrawSymbol(p, face_center + QPoint(0, face_distance), Symbol::B, text_size);
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DrawSymbol(p, face_center + QPoint(0, -face_distance), Symbol::X, text_size);
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DrawSymbol(p, face_center + QPoint(-face_distance, 1), Symbol::Y, text_size);
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DrawSymbol(p, face_center + QPointF(face_distance, 0), Symbol::A, text_size);
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DrawSymbol(p, face_center + QPointF(0, face_distance), Symbol::B, text_size);
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DrawSymbol(p, face_center + QPointF(0, -face_distance), Symbol::X, text_size);
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DrawSymbol(p, face_center + QPointF(-face_distance, 1), Symbol::Y, text_size);
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// D-pad constants
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const QPointF dpad_center = center + QPoint(-171, 8);
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@ -686,18 +686,20 @@ void PlayerControlPreview::DrawHandheldController(QPainter& p, const QPointF cen
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// D-pad buttons
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p.setPen(colors.outline);
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button_color = colors.button;
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DrawCircleButton(p, dpad_center + QPoint(dpad_distance, 0), button_values[DRight], dpad_radius);
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DrawCircleButton(p, dpad_center + QPoint(0, dpad_distance), button_values[DDown], dpad_radius);
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DrawCircleButton(p, dpad_center + QPoint(0, -dpad_distance), button_values[DUp], dpad_radius);
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DrawCircleButton(p, dpad_center + QPoint(-dpad_distance, 0), button_values[DLeft], dpad_radius);
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DrawCircleButton(p, dpad_center + QPointF(dpad_distance, 0), button_values[DRight],
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dpad_radius);
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DrawCircleButton(p, dpad_center + QPointF(0, dpad_distance), button_values[DDown], dpad_radius);
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DrawCircleButton(p, dpad_center + QPointF(0, -dpad_distance), button_values[DUp], dpad_radius);
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DrawCircleButton(p, dpad_center + QPointF(-dpad_distance, 0), button_values[DLeft],
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dpad_radius);
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// D-pad arrows
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p.setPen(colors.font2);
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p.setBrush(colors.font2);
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DrawArrow(p, dpad_center + QPoint(dpad_distance, 0), Direction::Right, dpad_arrow_size);
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DrawArrow(p, dpad_center + QPoint(0, dpad_distance), Direction::Down, dpad_arrow_size);
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DrawArrow(p, dpad_center + QPoint(0, -dpad_distance), Direction::Up, dpad_arrow_size);
|
||||
DrawArrow(p, dpad_center + QPoint(-dpad_distance, 0), Direction::Left, dpad_arrow_size);
|
||||
DrawArrow(p, dpad_center + QPointF(dpad_distance, 0), Direction::Right, dpad_arrow_size);
|
||||
DrawArrow(p, dpad_center + QPointF(0, dpad_distance), Direction::Down, dpad_arrow_size);
|
||||
DrawArrow(p, dpad_center + QPointF(0, -dpad_distance), Direction::Up, dpad_arrow_size);
|
||||
DrawArrow(p, dpad_center + QPointF(-dpad_distance, 0), Direction::Left, dpad_arrow_size);
|
||||
|
||||
// ZL and ZR buttons
|
||||
p.setPen(colors.outline);
|
||||
|
|
|
|||
Loading…
Reference in New Issue