Applets: Add infrastructure to allow custom drawing and input handling in Applets.
This commit is contained in:
parent
2a6ebadf66
commit
621ee10eae
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@ -5,15 +5,35 @@
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#include "common/assert.h"
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#include "common/logging/log.h"
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#include "core/core_timing.h"
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#include "core/hle/applets/applet.h"
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#include "core/hle/applets/swkbd.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Specializes std::hash for AppletId, so that we can use it in std::unordered_map.
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// Workaround for libstdc++ bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60970
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namespace std {
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template <>
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struct hash<Service::APT::AppletId> {
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typedef Service::APT::AppletId argument_type;
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typedef std::size_t result_type;
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result_type operator()(const argument_type& id_code) const {
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typedef std::underlying_type<argument_type>::type Type;
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return std::hash<Type>()(static_cast<Type>(id_code));
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}
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};
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}
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namespace HLE {
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namespace Applets {
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static std::unordered_map<Service::APT::AppletId, std::shared_ptr<Applet>> applets;
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static u32 applet_update_event = -1; ///< The CoreTiming event identifier for the Applet update callback.
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/// The interval at which the Applet update callback will be called.
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static const u64 applet_update_interval_microseconds = 16666;
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std::shared_ptr<Applet> g_current_applet = nullptr; ///< The applet that is currently executing
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ResultCode Applet::Create(Service::APT::AppletId id) {
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switch (id) {
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@ -36,5 +56,23 @@ std::shared_ptr<Applet> Applet::Get(Service::APT::AppletId id) {
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return nullptr;
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}
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/// Handles updating the current Applet every time it's called.
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static void AppletUpdateEvent(u64, int cycles_late) {
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if (g_current_applet && g_current_applet->IsRunning())
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g_current_applet->Update();
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CoreTiming::ScheduleEvent(usToCycles(applet_update_interval) - cycles_late,
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applet_update_event);
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}
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void Init() {
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applet_update_event = CoreTiming::RegisterEvent("HLE Applet Update Event", AppletUpdateEvent);
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CoreTiming::ScheduleEvent(usToCycles(applet_update_interval), applet_update_event);
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}
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void Shutdown() {
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CoreTiming::UnscheduleEvent(applet_update_event, 0);
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}
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}
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} // namespace
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@ -12,42 +12,59 @@
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namespace HLE {
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namespace Applets {
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class Applet {
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class Applet : public std::enable_shared_from_this<Applet> {
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public:
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virtual ~Applet() {};
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Applet(Service::APT::AppletId id) : id(id) {};
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/**
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* Creates an instance of the Applet subclass identified by the parameter
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* Creates an instance of the Applet subclass identified by the parameter.
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* and stores it in a global map.
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* @param id Id of the applet to create
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* @returns ResultCode Whether the operation was successful or not
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* @param id Id of the applet to create.
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* @returns ResultCode Whether the operation was successful or not.
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*/
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static ResultCode Create(Service::APT::AppletId id);
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/**
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* Retrieves the Applet instance identified by the specified id
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* @param id Id of the Applet to retrieve
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* @returns Requested Applet or nullptr if not found
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* Retrieves the Applet instance identified by the specified id.
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* @param id Id of the Applet to retrieve.
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* @returns Requested Applet or nullptr if not found.
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*/
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static std::shared_ptr<Applet> Get(Service::APT::AppletId id);
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/**
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* Handles a parameter from the application
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* @param parameter Parameter data to handle
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* @returns ResultCode Whether the operation was successful or not
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* Handles a parameter from the application.
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* @param parameter Parameter data to handle.
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* @returns ResultCode Whether the operation was successful or not.
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*/
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virtual ResultCode ReceiveParameter(Service::APT::MessageParameter const& parameter) = 0;
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/**
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* Handles the Applet start event, triggered from the application
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* @param parameter Parameter data to handle
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* @returns ResultCode Whether the operation was successful or not
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* Handles the Applet start event, triggered from the application.
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* @param parameter Parameter data to handle.
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* @returns ResultCode Whether the operation was successful or not.
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*/
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virtual ResultCode Start(Service::APT::AppletStartupParameter const& parameter) = 0;
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/**
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* Whether the applet is currently executing instead of the host application or not.
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*/
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virtual bool IsRunning() = 0;
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/**
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* Handles an update tick for the Applet, lets it update the screen, send commands, etc.
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*/
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virtual void Update() = 0;
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Service::APT::AppletId id; ///< Id of this Applet
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};
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/// Initializes the HLE applets
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void Init();
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/// Shuts down the HLE applets
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void Shutdown();
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extern std::shared_ptr<Applet> g_current_applet; ///< Applet that is currently executing
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}
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} // namespace
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@ -6,13 +6,16 @@
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#include "common/logging/log.h"
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#include "core/hle/applets/swkbd.h"
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#include "core/hle/service/hid/hid.h"
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#include "core/hle/service/gsp_gpu.h"
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#include "video_core/video_core.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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namespace HLE {
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namespace Applets {
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SoftwareKeyboard::SoftwareKeyboard(Service::APT::AppletId id) : Applet(id) {
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SoftwareKeyboard::SoftwareKeyboard(Service::APT::AppletId id) : Applet(id), started(false) {
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// Create the SharedMemory that will hold the framebuffer data
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// TODO(Subv): What size should we use here?
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using Kernel::MemoryPermission;
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@ -47,17 +50,45 @@ ResultCode SoftwareKeyboard::Start(Service::APT::AppletStartupParameter const& p
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// TODO(Subv): Verify if this is the correct behavior
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memset(text_memory->GetPointer(), 0, text_memory->size);
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DrawScreenKeyboard();
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// Update the current applet so we can get update events
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started = true;
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g_current_applet = shared_from_this();
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return RESULT_SUCCESS;
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}
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void SoftwareKeyboard::Update() {
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// TODO(Subv): Handle input using the touch events from the HID module
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// TODO(Subv): Remove this hardcoded text
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const wchar_t str[] = L"Subv";
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memcpy(text_memory->GetPointer(), str, 4 * sizeof(wchar_t));
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std::u16string text = Common::UTF8ToUTF16("Citra");
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memcpy(text_memory->GetPointer(), text.c_str(), text.length() * sizeof(char16_t));
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// TODO(Subv): Ask for input and write it to the shared memory
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// TODO(Subv): Find out what are the possible values for the return code,
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// some games seem to check for a hardcoded 2
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config.return_code = 2;
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config.text_length = 5;
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config.text_length = 6;
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config.text_offset = 0;
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// TODO(Subv): We're finalizing the applet immediately after it's started,
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// but we should defer this call until after all the input has been collected.
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Finalize();
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}
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void SoftwareKeyboard::DrawScreenKeyboard() {
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auto bottom_screen = GSP_GPU::GetFrameBufferInfo(0, 1);
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auto info = bottom_screen->framebuffer_info[bottom_screen->index];
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// TODO(Subv): Draw the HLE keyboard, for now just zero-fill the framebuffer
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memset(Memory::GetPointer(info.address_left), 0, info.stride * 320);
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GSP_GPU::SetBufferSwap(1, info);
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}
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void SoftwareKeyboard::Finalize() {
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// Let the application know that we're closing
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Service::APT::MessageParameter message;
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message.buffer_size = sizeof(SoftwareKeyboardConfig);
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message.data = reinterpret_cast<u8*>(&config);
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@ -66,7 +97,9 @@ ResultCode SoftwareKeyboard::Start(Service::APT::AppletStartupParameter const& p
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message.sender_id = static_cast<u32>(id);
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Service::APT::SendParameter(message);
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return RESULT_SUCCESS;
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started = false;
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// Unset the current applet, we are not running anymore
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g_current_applet = nullptr;
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}
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}
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@ -51,6 +51,19 @@ public:
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ResultCode ReceiveParameter(Service::APT::MessageParameter const& parameter) override;
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ResultCode Start(Service::APT::AppletStartupParameter const& parameter) override;
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void Update() override;
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bool IsRunning() override { return started; }
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/**
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* Draws a keyboard to the current bottom screen framebuffer.
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*/
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void DrawScreenKeyboard();
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/**
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* Sends the LibAppletClosing signal to the application,
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* along with the relevant data buffers.
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*/
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void Finalize();
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/// TODO(Subv): Find out what this is actually used for.
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// It is believed that the application stores the current screen image here.
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/// Configuration of this instance of the SoftwareKeyboard, as received from the application
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SoftwareKeyboardConfig config;
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/// Whether this applet is currently running instead of the host application or not.
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bool started;
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};
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}
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@ -68,7 +68,7 @@ void Initialize(Service::Interface* self) {
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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LOG_WARNING(Service_APT, "called app_id=0x%08X, flags=0x%08X", app_id, flags);
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LOG_DEBUG(Service_APT, "called app_id=0x%08X, flags=0x%08X", app_id, flags);
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}
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void GetSharedFont(Service::Interface* self) {
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@ -95,7 +95,6 @@ void GetSharedFont(Service::Interface* self) {
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void NotifyToWait(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 app_id = cmd_buff[1];
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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LOG_WARNING(Service_APT, "(STUBBED) app_id=%u", app_id);
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}
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@ -108,7 +107,7 @@ void GetLockHandle(Service::Interface* self) {
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// Not sure what these parameters are used for, but retail apps check that they are 0 after
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// GetLockHandle has been called.
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cmd_buff[2] = 0;
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cmd_buff[2] = 0; // Applet Attributes, this value is passed to Enable.
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cmd_buff[3] = 0;
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cmd_buff[4] = 0;
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void Enable(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 unk = cmd_buff[1]; // TODO(bunnei): What is this field used for?
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u32 attributes = cmd_buff[1];
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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parameter_event->Signal(); // Let the application know that it has been started
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LOG_WARNING(Service_APT, "(STUBBED) called unk=0x%08X", unk);
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LOG_WARNING(Service_APT, "(STUBBED) called attributes=0x%08X", attributes);
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}
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void GetAppletManInfo(Service::Interface* self) {
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void SendParameter(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 src_app_id = cmd_buff[1];
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u32 dst_app_id = cmd_buff[2];
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u32 signal_type = cmd_buff[3];
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u32 buffer_size = cmd_buff[4];
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u32 value = cmd_buff[5];
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u32 handle = cmd_buff[6];
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u32 size = cmd_buff[7];
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u32 buffer = cmd_buff[8];
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u32 src_app_id = cmd_buff[1];
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u32 dst_app_id = cmd_buff[2];
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u32 signal_type = cmd_buff[3];
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u32 buffer_size = cmd_buff[4];
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u32 value = cmd_buff[5];
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u32 handle = cmd_buff[6];
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u32 size = cmd_buff[7];
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u32 buffer = cmd_buff[8];
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std::shared_ptr<HLE::Applets::Applet> dest_applet = HLE::Applets::Applet::Get(static_cast<AppletId>(dst_app_id));
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if (dest_applet == nullptr) {
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LOG_ERROR(Service_APT, "Unknown applet id=0x%08X", dst_app_id);
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cmd_buff[1] = -1; // TODO(Subv): Find the right error code
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return;
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}
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u32* cmd_buff = Kernel::GetCommandBuffer();
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// These are from 3dbrew - I'm not really sure what they're used for.
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u32 unk = cmd_buff[1];
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u32 command = cmd_buff[1];
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u32 buffer1_size = cmd_buff[2];
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u32 buffer2_size = cmd_buff[3];
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u32 buffer1_addr = cmd_buff[5];
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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LOG_WARNING(Service_APT, "(STUBBED) called unk=0x%08X, buffer1_size=0x%08X, buffer2_size=0x%08X, "
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"buffer1_addr=0x%08X, buffer2_addr=0x%08X", unk, buffer1_size, buffer2_size,
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LOG_WARNING(Service_APT, "(STUBBED) called command=0x%08X, buffer1_size=0x%08X, buffer2_size=0x%08X, "
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"buffer1_addr=0x%08X, buffer2_addr=0x%08X", command, buffer1_size, buffer2_size,
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buffer1_addr, buffer2_addr);
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}
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void PrepareToStartLibraryApplet(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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cmd_buff[1] = HLE::Applets::Applet::Create(static_cast<AppletId>(cmd_buff[1])).raw;
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AppletId applet_id = static_cast<AppletId>(cmd_buff[1]);
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cmd_buff[1] = HLE::Applets::Applet::Create(applet_id).raw;
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LOG_DEBUG(Service_APT, "called applet_id=%08X", applet_id);
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}
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void StartLibraryApplet(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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std::shared_ptr<HLE::Applets::Applet> applet = HLE::Applets::Applet::Get(static_cast<AppletId>(cmd_buff[1]));
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AppletId applet_id = static_cast<AppletId>(cmd_buff[1]);
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std::shared_ptr<HLE::Applets::Applet> applet = HLE::Applets::Applet::Get(applet_id);
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LOG_DEBUG(Service_APT, "called applet_id=%08X", applet_id);
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if (applet == nullptr) {
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LOG_ERROR(Service_APT, "unknown applet id=%08X", applet_id);
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cmd_buff[1] = -1; // TODO(Subv): Find the right error code
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return;
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}
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AddService(new APT_S_Interface);
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AddService(new APT_U_Interface);
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HLE::Applets::Init();
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// Load the shared system font (if available).
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// The expected format is a decrypted, uncompressed BCFNT file with the 0x80 byte header
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// generated by the APT:U service. The best way to get is by dumping it from RAM. We've provided
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lock = nullptr;
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notification_event = nullptr;
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parameter_event = nullptr;
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HLE::Applets::Shutdown();
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}
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} // namespace APT
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return g_shared_memory->GetPointer(0x800 + (thread_id * sizeof(CommandBuffer)));
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}
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static inline FrameBufferUpdate* GetFrameBufferInfo(u32 thread_id, u32 screen_index) {
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FrameBufferUpdate* GetFrameBufferInfo(u32 thread_id, u32 screen_index) {
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DEBUG_ASSERT_MSG(screen_index < 2, "Invalid screen index");
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// For each thread there are two FrameBufferUpdate fields
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}
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}
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static void SetBufferSwap(u32 screen_id, const FrameBufferInfo& info) {
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void SetBufferSwap(u32 screen_id, const FrameBufferInfo& info) {
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u32 base_address = 0x400000;
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PAddr phys_address_left = Memory::VirtualToPhysicalAddress(info.address_left);
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PAddr phys_address_right = Memory::VirtualToPhysicalAddress(info.address_right);
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*/
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void SignalInterrupt(InterruptId interrupt_id);
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void SetBufferSwap(u32 screen_id, const FrameBufferInfo& info);
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/**
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* Retrieves the framebuffer info stored in the GSP shared memory for the
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* specified screen index and thread id.
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* @param thread_id GSP thread id of the process that accesses the structure that we are requesting.
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* @param screen_index Index of the screen we are requesting (Top = 0, Bottom = 1).
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* @returns FramebufferUpdate Information about the specified framebuffer.
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*/
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FrameBufferUpdate* GetFrameBufferInfo(u32 thread_id, u32 screen_index);
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} // namespace
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