2
1
Fork 0
mirror of https://github.com/yuzu-emu/yuzu.git synced 2024-07-04 23:31:19 +01:00

Applets: Reworked how the Applet update event is handled.

Applets are now cleaned up in AppletUpdateEvent after calling their respective Update method.
This commit is contained in:
Subv 2015-05-27 15:21:06 -05:00
parent 621ee10eae
commit 725d5eea78
7 changed files with 61 additions and 35 deletions

View file

@ -31,9 +31,8 @@ namespace Applets {
static std::unordered_map<Service::APT::AppletId, std::shared_ptr<Applet>> applets;
static u32 applet_update_event = -1; ///< The CoreTiming event identifier for the Applet update callback.
/// The interval at which the Applet update callback will be called.
static const u64 applet_update_interval_microseconds = 16666;
std::shared_ptr<Applet> g_current_applet = nullptr; ///< The applet that is currently executing
/// The interval at which the Applet update callback will be called, 16.6ms
static const u64 applet_update_interval_us = 16666;
ResultCode Applet::Create(Service::APT::AppletId id) {
switch (id) {
@ -57,21 +56,38 @@ std::shared_ptr<Applet> Applet::Get(Service::APT::AppletId id) {
}
/// Handles updating the current Applet every time it's called.
static void AppletUpdateEvent(u64, int cycles_late) {
if (g_current_applet && g_current_applet->IsRunning())
g_current_applet->Update();
static void AppletUpdateEvent(u64 applet_id, int cycles_late) {
Service::APT::AppletId id = static_cast<Service::APT::AppletId>(applet_id);
std::shared_ptr<Applet> applet = Applet::Get(id);
ASSERT_MSG(applet != nullptr, "Applet doesn't exist! applet_id=%08X", id);
CoreTiming::ScheduleEvent(usToCycles(applet_update_interval) - cycles_late,
applet_update_event);
applet->Update();
// If the applet is still running after the last update, reschedule the event
if (applet->IsRunning()) {
CoreTiming::ScheduleEvent(usToCycles(applet_update_interval_us) - cycles_late,
applet_update_event, applet_id);
} else {
// Otherwise the applet has terminated, in which case we should clean it up
applets[id] = nullptr;
}
}
ResultCode Applet::Start(const Service::APT::AppletStartupParameter& parameter) {
ResultCode result = StartImpl(parameter);
if (result.IsError())
return result;
// Schedule the update event
CoreTiming::ScheduleEvent(usToCycles(applet_update_interval_us), applet_update_event, static_cast<u64>(id));
return result;
}
void Init() {
// Register the applet update callback
applet_update_event = CoreTiming::RegisterEvent("HLE Applet Update Event", AppletUpdateEvent);
CoreTiming::ScheduleEvent(usToCycles(applet_update_interval), applet_update_event);
}
void Shutdown() {
CoreTiming::UnscheduleEvent(applet_update_event, 0);
}
}

View file

@ -12,10 +12,10 @@
namespace HLE {
namespace Applets {
class Applet : public std::enable_shared_from_this<Applet> {
class Applet {
public:
virtual ~Applet() {};
Applet(Service::APT::AppletId id) : id(id) {};
virtual ~Applet() { }
Applet(Service::APT::AppletId id) : id(id) { }
/**
* Creates an instance of the Applet subclass identified by the parameter.
@ -37,25 +37,33 @@ public:
* @param parameter Parameter data to handle.
* @returns ResultCode Whether the operation was successful or not.
*/
virtual ResultCode ReceiveParameter(Service::APT::MessageParameter const& parameter) = 0;
virtual ResultCode ReceiveParameter(const Service::APT::MessageParameter& parameter) = 0;
/**
* Handles the Applet start event, triggered from the application.
* @param parameter Parameter data to handle.
* @returns ResultCode Whether the operation was successful or not.
*/
virtual ResultCode Start(Service::APT::AppletStartupParameter const& parameter) = 0;
ResultCode Start(const Service::APT::AppletStartupParameter& parameter);
/**
* Whether the applet is currently executing instead of the host application or not.
*/
virtual bool IsRunning() = 0;
virtual bool IsRunning() const = 0;
/**
* Handles an update tick for the Applet, lets it update the screen, send commands, etc.
*/
virtual void Update() = 0;
protected:
/**
* Handles the Applet start event, triggered from the application.
* @param parameter Parameter data to handle.
* @returns ResultCode Whether the operation was successful or not.
*/
virtual ResultCode StartImpl(const Service::APT::AppletStartupParameter& parameter) = 0;
Service::APT::AppletId id; ///< Id of this Applet
};
@ -65,6 +73,5 @@ void Init();
/// Shuts down the HLE applets
void Shutdown();
extern std::shared_ptr<Applet> g_current_applet; ///< Applet that is currently executing
}
} // namespace

View file

@ -4,6 +4,7 @@
#include "common/assert.h"
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/hle/applets/swkbd.h"
#include "core/hle/service/hid/hid.h"
@ -43,7 +44,9 @@ ResultCode SoftwareKeyboard::ReceiveParameter(Service::APT::MessageParameter con
return RESULT_SUCCESS;
}
ResultCode SoftwareKeyboard::Start(Service::APT::AppletStartupParameter const& parameter) {
ResultCode SoftwareKeyboard::StartImpl(Service::APT::AppletStartupParameter const& parameter) {
ASSERT_MSG(parameter.buffer_size == sizeof(config), "The size of the parameter (SoftwareKeyboardConfig) is wrong");
memcpy(&config, parameter.data, parameter.buffer_size);
text_memory = boost::static_pointer_cast<Kernel::SharedMemory, Kernel::Object>(parameter.object);
@ -52,9 +55,7 @@ ResultCode SoftwareKeyboard::Start(Service::APT::AppletStartupParameter const& p
DrawScreenKeyboard();
// Update the current applet so we can get update events
started = true;
g_current_applet = shared_from_this();
return RESULT_SUCCESS;
}
@ -98,8 +99,6 @@ void SoftwareKeyboard::Finalize() {
Service::APT::SendParameter(message);
started = false;
// Unset the current applet, we are not running anymore
g_current_applet = nullptr;
}
}

View file

@ -42,17 +42,21 @@ struct SoftwareKeyboardConfig {
INSERT_PADDING_BYTES(0x2B6);
};
/**
* The size of this structure (0x400) has been verified via reverse engineering of multiple games
* that use the software keyboard.
*/
static_assert(sizeof(SoftwareKeyboardConfig) == 0x400, "Software Keyboard Config size is wrong");
class SoftwareKeyboard : public Applet {
class SoftwareKeyboard final : public Applet {
public:
SoftwareKeyboard(Service::APT::AppletId id);
~SoftwareKeyboard() {}
ResultCode ReceiveParameter(Service::APT::MessageParameter const& parameter) override;
ResultCode Start(Service::APT::AppletStartupParameter const& parameter) override;
ResultCode ReceiveParameter(const Service::APT::MessageParameter& parameter) override;
ResultCode StartImpl(const Service::APT::AppletStartupParameter& parameter) override;
void Update() override;
bool IsRunning() override { return started; }
bool IsRunning() const override { return started; }
/**
* Draws a keyboard to the current bottom screen framebuffer.
@ -66,7 +70,7 @@ public:
void Finalize();
/// TODO(Subv): Find out what this is actually used for.
// It is believed that the application stores the current screen image here.
/// It is believed that the application stores the current screen image here.
Kernel::SharedPtr<Kernel::SharedMemory> framebuffer_memory;
/// SharedMemory where the output text will be stored

View file

@ -44,7 +44,7 @@ static u32 cpu_percent; ///< CPU time available to the running application
/// Parameter data to be returned in the next call to Glance/ReceiveParameter
static MessageParameter next_parameter;
void SendParameter(MessageParameter const& parameter) {
void SendParameter(const MessageParameter& parameter) {
next_parameter = parameter;
// Signal the event to let the application know that a new parameter is ready to be read
parameter_event->Signal();

View file

@ -63,7 +63,7 @@ enum class AppletId : u32 {
};
/// Send a parameter to the currently-running application, which will read it via ReceiveParameter
void SendParameter(MessageParameter const& parameter);
void SendParameter(const MessageParameter& parameter);
/**
* APT::Initialize service function