BitField: Make trivially copyable and remove assignment operator
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@ -115,29 +115,24 @@ template<std::size_t position, std::size_t bits, typename T>
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struct BitField
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{
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private:
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// This constructor might be considered ambiguous:
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// Would it initialize the storage or just the bitfield?
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// Hence, delete it. Use the assignment operator to set bitfield values!
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BitField(T val) = delete;
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// We hide the copy assigment operator here, because the default copy
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// assignment would copy the full storage value, rather than just the bits
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// relevant to this particular bit field.
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// We don't delete it because we want BitField to be trivially copyable.
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BitField& operator=(const BitField&) = default;
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public:
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// This constructor and assignment operator might be considered ambiguous:
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// Would they initialize the storage or just the bitfield?
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// Hence, delete them. Use the Assign method to set bitfield values!
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BitField(T val) = delete;
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BitField& operator=(T val) = delete;
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// Force default constructor to be created
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// so that we can use this within unions
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BitField() = default;
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// We explicitly delete the copy assigment operator here, because the
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// default copy assignment would copy the full storage value, rather than
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// just the bits relevant to this particular bit field.
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BitField& operator=(const BitField&) = delete;
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FORCE_INLINE BitField& operator=(T val)
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{
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Assign(val);
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return *this;
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}
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FORCE_INLINE operator T() const
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{
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FORCE_INLINE operator T() const {
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return Value();
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}
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@ -145,8 +140,7 @@ public:
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storage = (storage & ~GetMask()) | (((StorageType)value << position) & GetMask());
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}
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FORCE_INLINE T Value() const
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{
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FORCE_INLINE T Value() const {
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if (std::numeric_limits<T>::is_signed)
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{
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std::size_t shift = 8 * sizeof(T)-bits;
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@ -159,8 +153,7 @@ public:
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}
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// TODO: we may want to change this to explicit operator bool() if it's bug-free in VS2015
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FORCE_INLINE bool ToBool() const
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{
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FORCE_INLINE bool ToBool() const {
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return Value() != 0;
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}
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@ -176,8 +169,7 @@ private:
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// Unsigned version of StorageType
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typedef typename std::make_unsigned<StorageType>::type StorageTypeU;
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FORCE_INLINE StorageType GetMask() const
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{
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FORCE_INLINE StorageType GetMask() const {
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return (((StorageTypeU)~0) >> (8 * sizeof(T)-bits)) << position;
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}
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@ -189,6 +181,10 @@ private:
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static_assert(position < 8 * sizeof(T), "Invalid position");
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static_assert(bits <= 8 * sizeof(T), "Invalid number of bits");
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static_assert(bits > 0, "Invalid number of bits");
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static_assert(std::is_standard_layout<T>::value, "Invalid base type");
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static_assert(std::is_pod<T>::value, "Invalid base type");
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};
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#pragma pack()
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#if (__GNUC__ >= 5) || defined __clang__ || defined _MSC_VER
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static_assert(std::is_trivially_copyable<BitField<0, 1, u32>>::value, "BitField must be trivially copyable");
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#endif
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@ -55,14 +55,14 @@ void EmuWindow::TouchPressed(unsigned framebuffer_x, unsigned framebuffer_y) {
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(framebuffer_layout.bottom_screen.bottom - framebuffer_layout.bottom_screen.top);
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touch_pressed = true;
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pad_state.touch = 1;
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pad_state.touch.Assign(1);
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}
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void EmuWindow::TouchReleased() {
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touch_pressed = false;
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touch_x = 0;
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touch_y = 0;
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pad_state.touch = 0;
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pad_state.touch.Assign(0);
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}
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void EmuWindow::TouchMoved(unsigned framebuffer_x, unsigned framebuffer_y) {
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@ -35,7 +35,7 @@ SharedPtr<Process> Process::Create(SharedPtr<CodeSet> code_set) {
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process->codeset = std::move(code_set);
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process->flags.raw = 0;
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process->flags.memory_region = MemoryRegion::APPLICATION;
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process->flags.memory_region.Assign(MemoryRegion::APPLICATION);
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Memory::InitLegacyAddressSpace(process->vm_manager);
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return process;
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@ -193,10 +193,10 @@ union ResultCode {
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explicit ResultCode(u32 raw) : raw(raw) {}
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ResultCode(ErrorDescription description_, ErrorModule module_,
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ErrorSummary summary_, ErrorLevel level_) : raw(0) {
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description = description_;
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module = module_;
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summary = summary_;
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level = level_;
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description.Assign(description_);
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module.Assign(module_);
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summary.Assign(summary_);
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level.Assign(level_);
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}
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ResultCode& operator=(const ResultCode& o) { raw = o.raw; return *this; }
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@ -293,8 +293,8 @@ ResultCode DeleteConfigNANDSaveFile() {
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ResultCode UpdateConfigNANDSavegame() {
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FileSys::Mode mode = {};
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mode.write_flag = 1;
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mode.create_flag = 1;
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mode.write_flag.Assign(1);
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mode.create_flag.Assign(1);
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FileSys::Path path("config");
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@ -405,7 +405,7 @@ void Init() {
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FileSys::Path config_path("config");
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FileSys::Mode open_mode = {};
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open_mode.read_flag = 1;
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open_mode.read_flag.Assign(1);
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auto config_result = Service::FS::OpenFileFromArchive(*archive_result, config_path, open_mode);
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@ -347,7 +347,7 @@ void SignalInterrupt(InterruptId interrupt_id) {
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FrameBufferUpdate* info = GetFrameBufferInfo(thread_id, screen_id);
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if (info->is_dirty) {
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SetBufferSwap(screen_id, info->framebuffer_info[info->index]);
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info->is_dirty = false;
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info->is_dirty.Assign(false);
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}
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}
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}
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@ -499,7 +499,7 @@ static void SetLcdForceBlack(Service::Interface* self) {
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// Since data is already zeroed, there is no need to explicitly set
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// the color to black (all zero).
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data.is_enabled = enable_black;
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data.is_enabled.Assign(enable_black);
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LCD::Write(HW::VADDR_LCD + 4 * LCD_REG_INDEX(color_fill_top), data.raw); // Top LCD
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LCD::Write(HW::VADDR_LCD + 4 * LCD_REG_INDEX(color_fill_bottom), data.raw); // Bottom LCD
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@ -521,7 +521,7 @@ static void TriggerCmdReqQueue(Service::Interface* self) {
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ExecuteCommand(command_buffer->commands[i], thread_id);
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// Indicates that command has completed
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command_buffer->number_commands = command_buffer->number_commands - 1;
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command_buffer->number_commands.Assign(command_buffer->number_commands - 1);
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}
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}
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@ -105,7 +105,7 @@ void Update() {
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bool pressed = false;
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std::tie(touch_entry->x, touch_entry->y, pressed) = VideoCore::g_emu_window->GetTouchState();
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touch_entry->valid = pressed ? 1 : 0;
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touch_entry->valid.Assign(pressed ? 1 : 0);
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// TODO(bunnei): We're not doing anything with offset 0xA8 + 0x18 of HID SharedMemory, which
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// supposedly is "Touch-screen entry, which contains the raw coordinate data prior to being
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@ -110,8 +110,8 @@ void Init() {
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FileSys::Path gamecoin_path("gamecoin.dat");
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FileSys::Mode open_mode = {};
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open_mode.write_flag = 1;
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open_mode.create_flag = 1;
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open_mode.write_flag.Assign(1);
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open_mode.create_flag.Assign(1);
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// Open the file and write the default gamecoin information
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auto gamecoin_result = Service::FS::OpenFileFromArchive(*archive_result, gamecoin_path, open_mode);
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if (gamecoin_result.Succeeded()) {
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@ -178,17 +178,17 @@ struct CTRPollFD {
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static Events TranslateTo3DS(u32 input_event) {
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Events ev = {};
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if (input_event & POLLIN)
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ev.pollin = 1;
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ev.pollin.Assign(1);
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if (input_event & POLLPRI)
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ev.pollpri = 1;
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ev.pollpri.Assign(1);
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if (input_event & POLLHUP)
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ev.pollhup = 1;
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ev.pollhup.Assign(1);
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if (input_event & POLLERR)
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ev.pollerr = 1;
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ev.pollerr.Assign(1);
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if (input_event & POLLOUT)
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ev.pollout = 1;
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ev.pollout.Assign(1);
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if (input_event & POLLNVAL)
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ev.pollnval = 1;
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ev.pollnval.Assign(1);
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return ev;
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}
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@ -146,8 +146,8 @@ inline void Write(u32 addr, const T data) {
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// Reset "trigger" flag and set the "finish" flag
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// NOTE: This was confirmed to happen on hardware even if "address_start" is zero.
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config.trigger = 0;
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config.finished = 1;
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config.trigger.Assign(0);
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config.finished.Assign(1);
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}
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break;
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}
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@ -444,16 +444,16 @@ void Init() {
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framebuffer_sub.address_left1 = 0x1848F000;
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framebuffer_sub.address_left2 = 0x184C7800;
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framebuffer_top.width = 240;
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framebuffer_top.height = 400;
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framebuffer_top.width.Assign(240);
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framebuffer_top.height.Assign(400);
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framebuffer_top.stride = 3 * 240;
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framebuffer_top.color_format = Regs::PixelFormat::RGB8;
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framebuffer_top.color_format.Assign(Regs::PixelFormat::RGB8);
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framebuffer_top.active_fb = 0;
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framebuffer_sub.width = 240;
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framebuffer_sub.height = 320;
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framebuffer_sub.width.Assign(240);
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framebuffer_sub.height.Assign(320);
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framebuffer_sub.stride = 3 * 240;
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framebuffer_sub.color_format = Regs::PixelFormat::RGB8;
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framebuffer_sub.color_format.Assign(Regs::PixelFormat::RGB8);
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framebuffer_sub.active_fb = 0;
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last_skip_frame = false;
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@ -429,7 +429,7 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
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uniform.w.ToFloat32());
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// TODO: Verify that this actually modifies the register!
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uniform_setup.index = uniform_setup.index + 1;
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uniform_setup.index.Assign(uniform_setup.index + 1);
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}
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break;
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}
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@ -478,7 +478,7 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
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ASSERT_MSG(lut_config.index < 256, "lut_config.index exceeded maximum value of 255!");
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g_state.lighting.luts[lut_config.type][lut_config.index].raw = value;
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lut_config.index = lut_config.index + 1;
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lut_config.index.Assign(lut_config.index + 1);
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break;
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}
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@ -201,11 +201,11 @@ void DumpShader(const std::string& filename, const Regs::ShaderConfig& config, c
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if (it == output_info_table.end()) {
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output_info_table.emplace_back();
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output_info_table.back().type = type;
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output_info_table.back().component_mask = component_mask;
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output_info_table.back().id = i;
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output_info_table.back().type.Assign(type);
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output_info_table.back().component_mask.Assign(component_mask);
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output_info_table.back().id.Assign(i);
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} else {
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it->component_mask = it->component_mask | component_mask;
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it->component_mask.Assign(it->component_mask | component_mask);
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}
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} catch (const std::out_of_range& ) {
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DEBUG_ASSERT_MSG(false, "Unknown output attribute mapping");
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