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Merge pull request #5116 from zhaowenlan1779/cam-vsync 

service/cam: Implement Vsync interrupt events
This commit is contained in:
Pengfei Zhu 2020-03-12 10:42:39 +08:00 committed by GitHub
parent 6eecb082b3 28014496c6
commit ad3c464e2d
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 82 additions and 4 deletions
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58
src/core/hle/service/cam/cam.cpp
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@ -60,6 +60,7 @@ void Module::PortConfig::Clear() {
completion_event->Clear();
buffer_error_interrupt_event->Clear();
vsync_interrupt_event->Clear();
vsync_timings.clear();
is_receiving = false;
is_active = false;
is_pending_receiving = false;
@ -133,6 +134,27 @@ void Module::CompletionEventCallBack(u64 port_id, s64) {
port.completion_event->Signal();
}
static constexpr std::size_t MaxVsyncTimings = 5;
void Module::VsyncInterruptEventCallBack(u64 port_id, s64 cycles_late) {
PortConfig& port = ports[port_id];
const CameraConfig& camera = cameras[port.camera_id];
if (!port.is_active) {
return;
}
port.vsync_timings.emplace_front(system.CoreTiming().GetGlobalTimeUs().count());
if (port.vsync_timings.size() > MaxVsyncTimings) {
port.vsync_timings.pop_back();
}
port.vsync_interrupt_event->Signal();
system.CoreTiming().ScheduleEvent(
msToCycles(LATENCY_BY_FRAME_RATE[static_cast<int>(camera.frame_rate)]) - cycles_late,
vsync_interrupt_event_callback, port_id);
}
void Module::StartReceiving(int port_id) {
PortConfig& port = ports[port_id];
port.is_receiving = true;
@ -173,6 +195,9 @@ void Module::ActivatePort(int port_id, int camera_id) {
}
ports[port_id].is_active = true;
ports[port_id].camera_id = camera_id;
system.CoreTiming().ScheduleEvent(
msToCycles(LATENCY_BY_FRAME_RATE[static_cast<int>(cameras[camera_id].frame_rate)]),
vsync_interrupt_event_callback, port_id);
}
template <int max_index>
@ -631,6 +656,7 @@ void Module::Interface::Activate(Kernel::HLERequestContext& ctx) {
cam->ports[i].is_busy = false;
}
cam->ports[i].is_active = false;
cam->system.CoreTiming().UnscheduleEvent(cam->vsync_interrupt_event_callback, i);
}
rb.Push(RESULT_SUCCESS);
} else if (camera_select[0] && camera_select[1]) {
@ -860,6 +886,34 @@ void Module::Interface::SynchronizeVsyncTiming(Kernel::HLERequestContext& ctx) {
camera_select1, camera_select2);
}
void Module::Interface::GetLatestVsyncTiming(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x2A, 2, 0);
const PortSet port_select(rp.Pop<u8>());
const u32 count = rp.Pop<u32>();
if (!port_select.IsSingle() || count > MaxVsyncTimings) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
rb.Push(ERROR_OUT_OF_RANGE);
rb.PushStaticBuffer({}, 0);
return;
}
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
rb.Push(RESULT_SUCCESS);
const std::size_t port_id = port_select.m_val == 1 ? 0 : 1;
std::vector<u8> out(count * sizeof(s64_le));
std::size_t offset = 0;
for (const s64_le timing : cam->ports[port_id].vsync_timings) {
std::memcpy(out.data() + offset * sizeof(timing), &timing, sizeof(timing));
offset++;
if (offset >= count) {
break;
}
}
rb.PushStaticBuffer(out, 0);
}
void Module::Interface::GetStereoCameraCalibrationData(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb = IPC::RequestParser(ctx, 0x2B, 0, 0).MakeBuilder(17, 0);
@ -1032,6 +1086,10 @@ Module::Module(Core::System& system) : system(system) {
completion_event_callback = system.CoreTiming().RegisterEvent(
"CAM::CompletionEventCallBack",
[this](u64 userdata, s64 cycles_late) { CompletionEventCallBack(userdata, cycles_late); });
vsync_interrupt_event_callback = system.CoreTiming().RegisterEvent(
"CAM::VsyncInterruptEventCallBack", [this](u64 userdata, s64 cycles_late) {
VsyncInterruptEventCallBack(userdata, cycles_late);
});
}
Module::~Module() {

22
src/core/hle/service/cam/cam.h
View File

@ -5,6 +5,7 @@
#pragma once
#include <array>
#include <deque>
#include <future>
#include <memory>
#include <vector>
@ -616,6 +617,21 @@ public:
*/
void SynchronizeVsyncTiming(Kernel::HLERequestContext& ctx);
/**
* Gets the vsync timing record of the specified camera for the specified number of signals.
* Inputs:
* 0: 0x002A0080
* 1: Port
* 2: Number of timings to get
* 64: ((PastTimings * 8) << 14) | 2
* 65: s64* TimingsOutput
* Outputs:
* 0: 0x002A0042
* 1: ResultCode
* 2-3: Output static buffer
*/
void GetLatestVsyncTiming(Kernel::HLERequestContext& ctx);
/**
* Returns calibration data relating the outside cameras to each other, for use in AR
* applications.
@ -716,6 +732,7 @@ public:
private:
void CompletionEventCallBack(u64 port_id, s64);
void VsyncInterruptEventCallBack(u64 port_id, s64 cycles_late);
// Starts a receiving process on the specified port. This can only be called when is_busy = true
// and is_receiving = false.
@ -744,7 +761,7 @@ private:
std::unique_ptr<Camera::CameraInterface> impl;
std::array<ContextConfig, 2> contexts;
int current_context{0};
FrameRate frame_rate{FrameRate::Rate_5};
FrameRate frame_rate{FrameRate::Rate_15};
};
struct PortConfig {
@ -773,6 +790,8 @@ private:
std::shared_ptr<Kernel::Event> buffer_error_interrupt_event;
std::shared_ptr<Kernel::Event> vsync_interrupt_event;
std::deque<s64> vsync_timings;
std::future<std::vector<u16>> capture_result; // will hold the received frame.
Kernel::Process* dest_process{nullptr};
VAddr dest{0}; // the destination address of the receiving process
@ -787,6 +806,7 @@ private:
std::array<CameraConfig, NumCameras> cameras;
std::array<PortConfig, 2> ports;
Core::TimingEventType* completion_event_callback;
Core::TimingEventType* vsync_interrupt_event_callback;
std::atomic<bool> is_camera_reload_pending{false};
};

2
src/core/hle/service/cam/cam_c.cpp
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@ -50,7 +50,7 @@ CAM_C::CAM_C(std::shared_ptr<Module> cam) : Module::Interface(std::move(cam), "c
{0x00270140, nullptr, "SetAutoWhiteBalanceWindow"},
{0x00280080, nullptr, "SetNoiseFilter"},
{0x00290080, &CAM_C::SynchronizeVsyncTiming, "SynchronizeVsyncTiming"},
{0x002A0080, nullptr, "GetLatestVsyncTiming"},
{0x002A0080, &CAM_C::GetLatestVsyncTiming, "GetLatestVsyncTiming"},
{0x002B0000, &CAM_C::GetStereoCameraCalibrationData, "GetStereoCameraCalibrationData"},
{0x002C0400, nullptr, "SetStereoCameraCalibrationData"},
{0x002D00C0, nullptr, "WriteRegisterI2c"},

2
src/core/hle/service/cam/cam_s.cpp
View File

@ -50,7 +50,7 @@ CAM_S::CAM_S(std::shared_ptr<Module> cam) : Module::Interface(std::move(cam), "c
{0x00270140, nullptr, "SetAutoWhiteBalanceWindow"},
{0x00280080, nullptr, "SetNoiseFilter"},
{0x00290080, &CAM_S::SynchronizeVsyncTiming, "SynchronizeVsyncTiming"},
{0x002A0080, nullptr, "GetLatestVsyncTiming"},
{0x002A0080, &CAM_S::GetLatestVsyncTiming, "GetLatestVsyncTiming"},
{0x002B0000, &CAM_S::GetStereoCameraCalibrationData, "GetStereoCameraCalibrationData"},
{0x002C0400, nullptr, "SetStereoCameraCalibrationData"},
{0x002D00C0, nullptr, "WriteRegisterI2c"},

2
src/core/hle/service/cam/cam_u.cpp
View File

@ -50,7 +50,7 @@ CAM_U::CAM_U(std::shared_ptr<Module> cam) : Module::Interface(std::move(cam), "c
{0x00270140, nullptr, "SetAutoWhiteBalanceWindow"},
{0x00280080, nullptr, "SetNoiseFilter"},
{0x00290080, &CAM_U::SynchronizeVsyncTiming, "SynchronizeVsyncTiming"},
{0x002A0080, nullptr, "GetLatestVsyncTiming"},
{0x002A0080, &CAM_U::GetLatestVsyncTiming, "GetLatestVsyncTiming"},
{0x002B0000, &CAM_U::GetStereoCameraCalibrationData, "GetStereoCameraCalibrationData"},
{0x002C0400, nullptr, "SetStereoCameraCalibrationData"},
{0x002D00C0, nullptr, "WriteRegisterI2c"},