cubeb: Show default device option even if enumerating devices fails (#1515)

This allows a savy user, developer or modder to change the comment field of a logging breakpoint to include placeholders such as {r3} or {f3} to log the register values whenever that code is hit.

src/Cafe/HW/Espresso/Debugger/Debugger.cpp

@@ -8,6 +8,7 @@
 #include "gui/debugger/DebuggerWindow2.h"
 
 #include "Cafe/OS/libs/coreinit/coreinit.h"
+#include "util/helpers/helpers.h"
 
 #if BOOST_OS_WINDOWS
 #include <Windows.h>
@@ -136,11 +137,6 @@ void debugger_createCodeBreakpoint(uint32 address, uint8 bpType)
 	debugger_updateExecutionBreakpoint(address);
 }
 
-void debugger_createExecuteBreakpoint(uint32 address)
-{
-	debugger_createCodeBreakpoint(address, DEBUGGER_BP_T_NORMAL);
-}
-
 namespace coreinit
 {
 	std::vector<std::thread::native_handle_type>& OSGetSchedulerThreads();
@@ -294,8 +290,23 @@ void debugger_toggleExecuteBreakpoint(uint32 address)
 	}
 	else
 	{
-		// create new breakpoint
-		debugger_createExecuteBreakpoint(address);
+		// create new execution breakpoint
+		debugger_createCodeBreakpoint(address, DEBUGGER_BP_T_NORMAL);
+	}
+}
+
+void debugger_toggleLoggingBreakpoint(uint32 address)
+{
+	auto existingBP = debugger_getFirstBP(address, DEBUGGER_BP_T_LOGGING);
+	if (existingBP)
+	{
+		// delete existing breakpoint
+		debugger_deleteBreakpoint(existingBP);
+	}
+	else
+	{
+		// create new logging breakpoint
+		debugger_createCodeBreakpoint(address, DEBUGGER_BP_T_LOGGING);
 	}
 }
 
@@ -538,7 +549,48 @@ void debugger_enterTW(PPCInterpreter_t* hCPU)
 	{
 		if (bp->bpType == DEBUGGER_BP_T_LOGGING && bp->enabled)
 		{
-			std::string logName = !bp->comment.empty() ? "Breakpoint '"+boost::nowide::narrow(bp->comment)+"'" : fmt::format("Breakpoint at 0x{:08X} (no comment)", bp->address);
+			std::string comment = !bp->comment.empty() ? boost::nowide::narrow(bp->comment) : fmt::format("Breakpoint at 0x{:08X} (no comment)", bp->address);
+
+			auto replacePlaceholders = [&](const std::string& prefix, const auto& formatFunc)
+			{
+				size_t pos = 0;
+				while ((pos = comment.find(prefix, pos)) != std::string::npos)
+				{
+					size_t endPos = comment.find('}', pos);
+					if (endPos == std::string::npos)
+						break;
+
+					try
+					{
+						if (int regNum = ConvertString<int>(comment.substr(pos + prefix.length(), endPos - pos - prefix.length())); regNum >= 0 && regNum < 32)
+						{
+							std::string replacement = formatFunc(regNum);
+							comment.replace(pos, endPos - pos + 1, replacement);
+							pos += replacement.length();
+						}
+						else
+						{
+							pos = endPos + 1;
+						}
+					}
+					catch (...)
+					{
+						pos = endPos + 1;
+					}
+				}
+			};
+
+			// Replace integer register placeholders {rX}
+			replacePlaceholders("{r", [&](int regNum) {
+				return fmt::format("0x{:08X}", hCPU->gpr[regNum]);
+			});
+
+			// Replace floating point register placeholders {fX}
+			replacePlaceholders("{f", [&](int regNum) {
+				return fmt::format("{}", hCPU->fpr[regNum].fpr);
+			});
+
+			std::string logName = "Breakpoint '" + comment + "'";
 			std::string logContext = fmt::format("Thread: {:08x} LR: 0x{:08x}", MEMPTR<OSThread_t>(coreinit::OSGetCurrentThread()).GetMPTR(), hCPU->spr.LR, cemuLog_advancedPPCLoggingEnabled() ? " Stack Trace:" : "");
 			cemuLog_log(LogType::Force, "[Debugger] {} was executed! {}", logName, logContext);
 			if (cemuLog_advancedPPCLoggingEnabled())

src/Cafe/HW/Espresso/Debugger/Debugger.h

@@ -100,8 +100,8 @@ extern debuggerState_t debuggerState;
 // new API
 DebuggerBreakpoint* debugger_getFirstBP(uint32 address);
 void debugger_createCodeBreakpoint(uint32 address, uint8 bpType);
-void debugger_createExecuteBreakpoint(uint32 address);
 void debugger_toggleExecuteBreakpoint(uint32 address); // create/remove execute breakpoint
+void debugger_toggleLoggingBreakpoint(uint32 address); // create/remove logging breakpoint
 void debugger_toggleBreakpoint(uint32 address, bool state, DebuggerBreakpoint* bp);
 
 void debugger_createMemoryBreakpoint(uint32 address, bool onRead, bool onWrite);

src/Cafe/HW/Latte/Renderer/RendererOuputShader.cpp

@@ -187,8 +187,8 @@ std::string RendererOutputShader::GetOpenGlVertexSource(bool render_upside_down)
 	// vertex shader
 	std::ostringstream vertex_source;
 		vertex_source <<
-			R"(#version 400
-out vec2 passUV;
+			R"(#version 420
+layout(location = 0) smooth out vec2 passUV;
 
 out gl_PerVertex 
 { 
@@ -297,7 +297,7 @@ uniform vec2 nativeResolution;
 uniform vec2 outputResolution;
 #endif
 
-layout(location = 0) in vec2 passUV;
+layout(location = 0) smooth in vec2 passUV;
 layout(binding = 0) uniform sampler2D textureSrc;
 layout(location = 0) out vec4 colorOut0;
 )" + shaderSrc;

src/audio/CubebAPI.cpp

@@ -183,17 +183,17 @@ void CubebAPI::Destroy()
 
 std::vector<IAudioAPI::DeviceDescriptionPtr> CubebAPI::GetDevices()
 {
-	cubeb_device_collection devices;
-	if (cubeb_enumerate_devices(s_context, CUBEB_DEVICE_TYPE_OUTPUT, &devices) != CUBEB_OK)
-		return {};
-
 	std::vector<DeviceDescriptionPtr> result;
-	result.reserve(devices.count + 1); // Reserve space for the default device
-
 	// Add the default device to the list
 	auto defaultDevice = std::make_shared<CubebDeviceDescription>(nullptr, "default", L"Default Device");
 	result.emplace_back(defaultDevice);
 
+	cubeb_device_collection devices;
+	if (cubeb_enumerate_devices(s_context, CUBEB_DEVICE_TYPE_OUTPUT, &devices) != CUBEB_OK)
+		return result;
+
+	result.reserve(devices.count + 1); // The default device already occupies one element
+
 	for (size_t i = 0; i < devices.count; ++i)
 	{
 		// const auto& device = devices.device[i];

src/audio/CubebInputAPI.cpp

@@ -175,17 +175,17 @@ void CubebInputAPI::Destroy()
 
 std::vector<IAudioInputAPI::DeviceDescriptionPtr> CubebInputAPI::GetDevices()
 {
-	cubeb_device_collection devices;
-	if (cubeb_enumerate_devices(s_context, CUBEB_DEVICE_TYPE_INPUT, &devices) != CUBEB_OK)
-		return {};
-
 	std::vector<DeviceDescriptionPtr> result;
-	result.reserve(devices.count + 1); // Reserve space for the default device
-
 	// Add the default device to the list
 	auto defaultDevice = std::make_shared<CubebDeviceDescription>(nullptr, "default", L"Default Device");
 	result.emplace_back(defaultDevice);
 
+	cubeb_device_collection devices;
+	if (cubeb_enumerate_devices(s_context, CUBEB_DEVICE_TYPE_INPUT, &devices) != CUBEB_OK)
+		return result;
+
+	result.reserve(devices.count + 1); // The default device already occupies one element
+
 	for (size_t i = 0; i < devices.count; ++i)
 	{
 		// const auto& device = devices.device[i];

src/gui/MainWindow.cpp

@@ -77,6 +77,7 @@ enum
 	MAINFRAME_MENU_ID_FILE_INSTALL_UPDATE,
 	MAINFRAME_MENU_ID_FILE_OPEN_CEMU_FOLDER,
 	MAINFRAME_MENU_ID_FILE_OPEN_MLC_FOLDER,
+	MAINFRAME_MENU_ID_FILE_OPEN_SHADERCACHE_FOLDER,
 	MAINFRAME_MENU_ID_FILE_EXIT,
 	MAINFRAME_MENU_ID_FILE_END_EMULATION,
 	MAINFRAME_MENU_ID_FILE_RECENT_0,
@@ -169,6 +170,7 @@ EVT_MENU(MAINFRAME_MENU_ID_FILE_LOAD, MainWindow::OnFileMenu)
 EVT_MENU(MAINFRAME_MENU_ID_FILE_INSTALL_UPDATE, MainWindow::OnInstallUpdate)
 EVT_MENU(MAINFRAME_MENU_ID_FILE_OPEN_CEMU_FOLDER, MainWindow::OnOpenFolder)
 EVT_MENU(MAINFRAME_MENU_ID_FILE_OPEN_MLC_FOLDER, MainWindow::OnOpenFolder)
+EVT_MENU(MAINFRAME_MENU_ID_FILE_OPEN_SHADERCACHE_FOLDER, MainWindow::OnOpenFolder)
 EVT_MENU(MAINFRAME_MENU_ID_FILE_EXIT, MainWindow::OnFileExit)
 EVT_MENU(MAINFRAME_MENU_ID_FILE_END_EMULATION, MainWindow::OnFileMenu)
 EVT_MENU_RANGE(MAINFRAME_MENU_ID_FILE_RECENT_0 + 0, MAINFRAME_MENU_ID_FILE_RECENT_LAST, MainWindow::OnFileMenu)
@@ -673,10 +675,15 @@ void MainWindow::OnFileMenu(wxCommandEvent& event)
 
 void MainWindow::OnOpenFolder(wxCommandEvent& event)
 {
-	if(event.GetId() == MAINFRAME_MENU_ID_FILE_OPEN_CEMU_FOLDER)
+	const auto id = event.GetId();
+	if(id == MAINFRAME_MENU_ID_FILE_OPEN_CEMU_FOLDER)
 		wxLaunchDefaultApplication(wxHelper::FromPath(ActiveSettings::GetUserDataPath()));
-	else if(event.GetId() == MAINFRAME_MENU_ID_FILE_OPEN_MLC_FOLDER)
+	else if(id == MAINFRAME_MENU_ID_FILE_OPEN_MLC_FOLDER)
 		wxLaunchDefaultApplication(wxHelper::FromPath(ActiveSettings::GetMlcPath()));
+	else if (id == MAINFRAME_MENU_ID_FILE_OPEN_SHADERCACHE_FOLDER)
+		wxLaunchDefaultApplication(wxHelper::FromPath(ActiveSettings::GetCachePath("shaderCache")));
+
+
 }
 
 void MainWindow::OnInstallUpdate(wxCommandEvent& event)
@@ -2099,6 +2106,7 @@ void MainWindow::RecreateMenu()
 
 	m_fileMenu->Append(MAINFRAME_MENU_ID_FILE_OPEN_CEMU_FOLDER, _("&Open Cemu folder"));
 	m_fileMenu->Append(MAINFRAME_MENU_ID_FILE_OPEN_MLC_FOLDER, _("&Open MLC folder"));
+	m_fileMenu->Append(MAINFRAME_MENU_ID_FILE_OPEN_SHADERCACHE_FOLDER, _("Open &shader cache folder"));
 	m_fileMenu->AppendSeparator();
 
 	m_exitMenuItem = m_fileMenu->Append(MAINFRAME_MENU_ID_FILE_EXIT, _("&Exit"));

src/gui/debugger/BreakpointWindow.cpp

@@ -202,14 +202,14 @@ void BreakpointWindow::OnLeftDClick(wxMouseEvent& event)
 		auto it = debuggerState.breakpoints.begin();
 		std::advance(it, index);
 
-		wxTextEntryDialog set_value_dialog(this, _("Enter a new comment."), wxString::Format(_("Set comment for breakpoint at address %08x"), address), (*it)->comment);
-		if (set_value_dialog.ShowModal() == wxID_OK)
+		const wxString dialogTitle = (*it)->bpType == DEBUGGER_BP_T_LOGGING ? _("Enter a new logging message") : _("Enter a new comment");
+		const wxString dialogMessage = (*it)->bpType == DEBUGGER_BP_T_LOGGING ? _("Set logging message when code at address %08x is ran.\nUse placeholders like {r3} or {f3} to log register values") : _("Set comment for breakpoint at address %08x");
+		wxTextEntryDialog set_comment_dialog(this, dialogMessage, dialogTitle, (*it)->comment);
+		if (set_comment_dialog.ShowModal() == wxID_OK)
 		{
-			(*it)->comment = set_value_dialog.GetValue().ToStdWstring();
-			m_breakpoints->SetItem(index, ColumnComment, set_value_dialog.GetValue());
+			(*it)->comment = set_comment_dialog.GetValue().ToStdWstring();
+			m_breakpoints->SetItem(index, ColumnComment, set_comment_dialog.GetValue());
 		}
-
-		return;
 	}
 }
 

src/gui/debugger/DisasmCtrl.cpp

@@ -538,7 +538,7 @@ void DisasmCtrl::OnKeyPressed(sint32 key_code, const wxPoint& position)
 	auto optVirtualAddress = LinePixelPosToAddress(position.y);
 	switch (key_code)
 	{
-	case WXK_F9:
+		case WXK_F9:
 		{
 			if (optVirtualAddress)
 			{
@@ -549,7 +549,7 @@ void DisasmCtrl::OnKeyPressed(sint32 key_code, const wxPoint& position)
 			}
 			return;
 		}
-	case 'G':
+		case 'G':
 		{
 			if(IsKeyDown(WXK_CONTROL))
 			{
@@ -686,6 +686,7 @@ void DisasmCtrl::OnContextMenu(const wxPoint& position, uint32 line)
 	// show dialog
 	wxMenu menu;
 	menu.Append(IDContextMenu_ToggleBreakpoint, _("Toggle breakpoint"));
+	menu.Append(IDContextMenu_ToggleLoggingBreakpoint, _("Toggle logging point"));
 	if(debugger_hasPatch(virtualAddress))
 		menu.Append(IDContextMenu_RestoreOriginalInstructions, _("Restore original instructions"));
 	menu.AppendSeparator();
@@ -707,6 +708,13 @@ void DisasmCtrl::OnContextMenuEntryClicked(wxCommandEvent& event)
 			wxPostEvent(this->m_parent, evt);
 			break;
 		}
+		case IDContextMenu_ToggleLoggingBreakpoint:
+		{
+			debugger_toggleLoggingBreakpoint(m_contextMenuAddress);
+			wxCommandEvent evt(wxEVT_BREAKPOINT_CHANGE);
+			wxPostEvent(this->m_parent, evt);
+			break;
+		}
 		case IDContextMenu_RestoreOriginalInstructions:
 		{
 			debugger_removePatch(m_contextMenuAddress);

src/gui/debugger/DisasmCtrl.h

@@ -8,6 +8,7 @@ class DisasmCtrl : public TextList
 	enum
 	{
 		IDContextMenu_ToggleBreakpoint = wxID_HIGHEST + 1,
+		IDContextMenu_ToggleLoggingBreakpoint,
 		IDContextMenu_RestoreOriginalInstructions,
 		IDContextMenu_CopyAddress,
 		IDContextMenu_CopyUnrelocatedAddress,

src/input/api/Wiimote/l2cap/L2CapWiimote.cpp

@@ -23,15 +23,15 @@ static bool AttemptSetNonBlock(int sockFd)
 	return fcntl(sockFd, F_SETFL, fcntl(sockFd, F_GETFL) | O_NONBLOCK) == 0;
 }
 
-L2CapWiimote::L2CapWiimote(int recvFd, int sendFd, bdaddr_t addr)
-	: m_recvFd(recvFd), m_sendFd(sendFd), m_addr(addr)
+L2CapWiimote::L2CapWiimote(int controlFd, int dataFd, bdaddr_t addr)
+	: m_controlFd(controlFd), m_dataFd(dataFd), m_addr(addr)
 {
 }
 
 L2CapWiimote::~L2CapWiimote()
 {
-	close(m_recvFd);
-	close(m_sendFd);
+	close(m_dataFd);
+	close(m_controlFd);
 	const auto& b = m_addr.b;
 	cemuLog_logDebug(LogType::Force, "Wiimote at {:02x}:{:02x}:{:02x}:{:02x}:{:02x}:{:02x} disconnected", b[5], b[4], b[3], b[2], b[1], b[0]);
 
@@ -61,51 +61,51 @@ std::vector<WiimoteDevicePtr> L2CapWiimote::get_devices()
 	std::vector<WiimoteDevicePtr> outDevices;
 	for (const auto& addr : unconnected)
 	{
-		// Socket for sending data to controller, PSM 0x11
-		auto sendFd = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_L2CAP);
-		if (sendFd < 0)
+		// Control socket, PSM 0x11, needs to be open for the data socket to be opened
+		auto controlFd = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_L2CAP);
+		if (controlFd < 0)
 		{
-			cemuLog_logDebug(LogType::Force, "Failed to open send socket: {}", strerror(errno));
+			cemuLog_logDebug(LogType::Force, "Failed to open control socket: {}", strerror(errno));
 			continue;
 		}
 
-		sockaddr_l2 sendAddr{};
-		sendAddr.l2_family = AF_BLUETOOTH;
-		sendAddr.l2_psm = htobs(0x11);
-		sendAddr.l2_bdaddr = addr;
+		sockaddr_l2 controlAddr{};
+		controlAddr.l2_family = AF_BLUETOOTH;
+		controlAddr.l2_psm = htobs(0x11);
+		controlAddr.l2_bdaddr = addr;
 
-		if (!AttemptConnect(sendFd, sendAddr) || !AttemptSetNonBlock(sendFd))
+		if (!AttemptConnect(controlFd, controlAddr) || !AttemptSetNonBlock(controlFd))
 		{
 			const auto& b = addr.b;
-			cemuLog_logDebug(LogType::Force, "Failed to connect send socket to '{:02x}:{:02x}:{:02x}:{:02x}:{:02x}:{:02x}': {}",
+			cemuLog_logDebug(LogType::Force, "Failed to connect control socket to '{:02x}:{:02x}:{:02x}:{:02x}:{:02x}:{:02x}': {}",
 							 b[5], b[4], b[3], b[2], b[1], b[0], strerror(errno));
-			close(sendFd);
+			close(controlFd);
 			continue;
 		}
 
-		// Socket for receiving data from controller, PSM 0x13
-		auto recvFd = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_L2CAP);
-		if (recvFd < 0)
+		// Socket for sending and receiving data from controller, PSM 0x13
+		auto dataFd = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_L2CAP);
+		if (dataFd < 0)
 		{
-			cemuLog_logDebug(LogType::Force, "Failed to open recv socket: {}", strerror(errno));
-			close(sendFd);
+			cemuLog_logDebug(LogType::Force, "Failed to open data socket: {}", strerror(errno));
+			close(controlFd);
 			continue;
 		}
-		sockaddr_l2 recvAddr{};
-		recvAddr.l2_family = AF_BLUETOOTH;
-		recvAddr.l2_psm = htobs(0x13);
-		recvAddr.l2_bdaddr = addr;
+		sockaddr_l2 dataAddr{};
+		dataAddr.l2_family = AF_BLUETOOTH;
+		dataAddr.l2_psm = htobs(0x13);
+		dataAddr.l2_bdaddr = addr;
 
-		if (!AttemptConnect(recvFd, recvAddr) || !AttemptSetNonBlock(recvFd))
+		if (!AttemptConnect(dataFd, dataAddr) || !AttemptSetNonBlock(dataFd))
 		{
 			const auto& b = addr.b;
-			cemuLog_logDebug(LogType::Force, "Failed to connect recv socket to '{:02x}:{:02x}:{:02x}:{:02x}:{:02x}:{:02x}': {}",
+			cemuLog_logDebug(LogType::Force, "Failed to connect data socket to '{:02x}:{:02x}:{:02x}:{:02x}:{:02x}:{:02x}': {}",
 							 b[5], b[4], b[3], b[2], b[1], b[0], strerror(errno));
-			close(sendFd);
-			close(recvFd);
+			close(dataFd);
+			close(controlFd);
 			continue;
 		}
-		outDevices.emplace_back(std::make_shared<L2CapWiimote>(sendFd, recvFd, addr));
+		outDevices.emplace_back(std::make_shared<L2CapWiimote>(controlFd, dataFd, addr));
 
 		s_addressMutex.lock();
 		s_addresses[addr] = true;
@@ -123,13 +123,13 @@ bool L2CapWiimote::write_data(const std::vector<uint8>& data)
 	buffer[0] = 0xA2;
 	std::memcpy(buffer + 1, data.data(), size);
 	const auto outSize = size + 1;
-	return send(m_sendFd, buffer, outSize, 0) == outSize;
+	return send(m_dataFd, buffer, outSize, 0) == outSize;
 }
 
 std::optional<std::vector<uint8>> L2CapWiimote::read_data()
 {
 	uint8 buffer[23];
-	const auto nBytes = recv(m_sendFd, buffer, 23, 0);
+	const auto nBytes = recv(m_dataFd, buffer, 23, 0);
 
 	if (nBytes < 0 && errno == EWOULDBLOCK)
 		return std::vector<uint8>{};

src/input/api/Wiimote/l2cap/L2CapWiimote.h

@@ -5,7 +5,7 @@
 class L2CapWiimote : public WiimoteDevice
 {
   public:
-	L2CapWiimote(int recvFd, int sendFd, bdaddr_t addr);
+	L2CapWiimote(int controlFd, int dataFd, bdaddr_t addr);
 	~L2CapWiimote() override;
 
 	bool write_data(const std::vector<uint8>& data) override;
@@ -15,8 +15,8 @@ class L2CapWiimote : public WiimoteDevice
 	static void AddCandidateAddress(bdaddr_t addr);
 	static std::vector<WiimoteDevicePtr> get_devices();
   private:
-	int m_recvFd;
-	int m_sendFd;
+	int m_controlFd;
+	int m_dataFd;
 	bdaddr_t m_addr;
 };