From d20ede40b1e9cd0539982fb1feb3b13af3501ea2 Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Tue, 18 Jun 2019 20:53:21 -0400
Subject: NVServices: Styling, define constructors as explicit and corrections

---
 src/core/hle/service/nvdrv/devices/nvdevice.h          |  2 +-
 src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp     | 10 ++--------
 src/core/hle/service/nvdrv/devices/nvhost_ctrl.h       |  4 ++--
 src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.cpp |  2 +-
 src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.h   |  2 +-
 src/core/hle/service/nvdrv/devices/nvhost_nvdec.cpp    |  2 +-
 src/core/hle/service/nvdrv/devices/nvhost_nvdec.h      |  2 +-
 src/core/hle/service/nvdrv/devices/nvhost_nvjpg.cpp    |  2 +-
 src/core/hle/service/nvdrv/devices/nvhost_nvjpg.h      |  2 +-
 src/core/hle/service/nvdrv/devices/nvhost_vic.cpp      |  2 +-
 src/core/hle/service/nvdrv/devices/nvhost_vic.h        |  2 +-
 src/core/hle/service/nvdrv/devices/nvmap.cpp           |  2 +-
 src/core/hle/service/nvdrv/devices/nvmap.h             |  2 +-
 src/core/hle/service/nvdrv/nvdrv.cpp                   |  4 ++--
 src/core/hle/service/nvdrv/nvdrv.h                     | 16 +++++++++-------
 src/core/hle/service/nvflinger/buffer_queue.cpp        |  2 +-
 src/core/hle/service/nvflinger/nvflinger.cpp           |  7 +++----
 src/core/hle/service/nvflinger/nvflinger.h             |  2 +-
 18 files changed, 31 insertions(+), 36 deletions(-)

(limited to 'src/core/hle/service')

diff --git a/src/core/hle/service/nvdrv/devices/nvdevice.h b/src/core/hle/service/nvdrv/devices/nvdevice.h
index fae69eb19..5b8248433 100644
--- a/src/core/hle/service/nvdrv/devices/nvdevice.h
+++ b/src/core/hle/service/nvdrv/devices/nvdevice.h
@@ -20,7 +20,7 @@ namespace Service::Nvidia::Devices {
 /// implement the ioctl interface.
 class nvdevice {
 public:
-    nvdevice(Core::System& system) : system{system} {};
+    explicit nvdevice(Core::System& system) : system{system} {};
     virtual ~nvdevice() = default;
     union Ioctl {
         u32_le raw;
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
index a5a4f8c7b..749aa71d4 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
@@ -15,7 +15,7 @@
 
 namespace Service::Nvidia::Devices {
 
-nvhost_ctrl::nvhost_ctrl(Core::System& system, EventsInterface& events_interface)
+nvhost_ctrl::nvhost_ctrl(Core::System& system, EventInterface& events_interface)
     : nvdevice(system), events_interface{events_interface} {}
 nvhost_ctrl::~nvhost_ctrl() = default;
 
@@ -67,12 +67,11 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
     if (!gpu.IsAsync()) {
         return NvResult::Success;
     }
-    gpu.Guard(true);
+    auto lock = gpu.LockSync();
     u32 current_syncpoint_value = gpu.GetSyncpointValue(params.syncpt_id);
     if (current_syncpoint_value >= params.threshold) {
         params.value = current_syncpoint_value;
         std::memcpy(output.data(), &params, sizeof(params));
-        gpu.Guard(false);
         return NvResult::Success;
     }
 
@@ -82,7 +81,6 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
 
     if (params.timeout == 0) {
         std::memcpy(output.data(), &params, sizeof(params));
-        gpu.Guard(false);
         return NvResult::Timeout;
     }
 
@@ -91,7 +89,6 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
         event_id = params.value & 0x00FF;
         if (event_id >= 64) {
             std::memcpy(output.data(), &params, sizeof(params));
-            gpu.Guard(false);
             return NvResult::BadParameter;
         }
     } else {
@@ -119,15 +116,12 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
             ctrl.must_delay = true;
             ctrl.timeout = params.timeout;
             ctrl.event_id = event_id;
-            gpu.Guard(false);
             return NvResult::Timeout;
         }
         std::memcpy(output.data(), &params, sizeof(params));
-        gpu.Guard(false);
         return NvResult::Timeout;
     }
     std::memcpy(output.data(), &params, sizeof(params));
-    gpu.Guard(false);
     return NvResult::BadParameter;
 }
 
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.h b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.h
index 7cb41aa54..14e6e7e57 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.h
+++ b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.h
@@ -14,7 +14,7 @@ namespace Service::Nvidia::Devices {
 
 class nvhost_ctrl final : public nvdevice {
 public:
-    nvhost_ctrl(Core::System& system, EventsInterface& events_interface);
+    explicit nvhost_ctrl(Core::System& system, EventInterface& events_interface);
     ~nvhost_ctrl() override;
 
     u32 ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
@@ -143,7 +143,7 @@ private:
 
     u32 IocCtrlEventSignal(const std::vector<u8>& input, std::vector<u8>& output);
 
-    EventsInterface& events_interface;
+    EventInterface& events_interface;
 };
 
 } // namespace Service::Nvidia::Devices
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.cpp b/src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.cpp
index e3d2b4470..988effd90 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.cpp
@@ -12,7 +12,7 @@
 
 namespace Service::Nvidia::Devices {
 
-nvhost_ctrl_gpu::nvhost_ctrl_gpu(Core::System& system) : nvdevice(system){};
+nvhost_ctrl_gpu::nvhost_ctrl_gpu(Core::System& system) : nvdevice(system) {}
 nvhost_ctrl_gpu::~nvhost_ctrl_gpu() = default;
 
 u32 nvhost_ctrl_gpu::ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.h b/src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.h
index de36cb014..2b035ae3f 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.h
+++ b/src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.h
@@ -13,7 +13,7 @@ namespace Service::Nvidia::Devices {
 
 class nvhost_ctrl_gpu final : public nvdevice {
 public:
-    nvhost_ctrl_gpu(Core::System& system);
+    explicit nvhost_ctrl_gpu(Core::System& system);
     ~nvhost_ctrl_gpu() override;
 
     u32 ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_nvdec.cpp b/src/core/hle/service/nvdrv/devices/nvhost_nvdec.cpp
index f464328f3..f572ad30f 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_nvdec.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_nvdec.cpp
@@ -10,7 +10,7 @@
 
 namespace Service::Nvidia::Devices {
 
-nvhost_nvdec::nvhost_nvdec(Core::System& system) : nvdevice(system){};
+nvhost_nvdec::nvhost_nvdec(Core::System& system) : nvdevice(system) {}
 nvhost_nvdec::~nvhost_nvdec() = default;
 
 u32 nvhost_nvdec::ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_nvdec.h b/src/core/hle/service/nvdrv/devices/nvhost_nvdec.h
index c2b7a22f6..2710f0511 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_nvdec.h
+++ b/src/core/hle/service/nvdrv/devices/nvhost_nvdec.h
@@ -13,7 +13,7 @@ namespace Service::Nvidia::Devices {
 
 class nvhost_nvdec final : public nvdevice {
 public:
-    nvhost_nvdec(Core::System& system);
+    explicit nvhost_nvdec(Core::System& system);
     ~nvhost_nvdec() override;
 
     u32 ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_nvjpg.cpp b/src/core/hle/service/nvdrv/devices/nvhost_nvjpg.cpp
index d4d67fc72..38282956f 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_nvjpg.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_nvjpg.cpp
@@ -10,7 +10,7 @@
 
 namespace Service::Nvidia::Devices {
 
-nvhost_nvjpg::nvhost_nvjpg(Core::System& system) : nvdevice(system){};
+nvhost_nvjpg::nvhost_nvjpg(Core::System& system) : nvdevice(system) {}
 nvhost_nvjpg::~nvhost_nvjpg() = default;
 
 u32 nvhost_nvjpg::ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_nvjpg.h b/src/core/hle/service/nvdrv/devices/nvhost_nvjpg.h
index 4bf280d67..379766693 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_nvjpg.h
+++ b/src/core/hle/service/nvdrv/devices/nvhost_nvjpg.h
@@ -13,7 +13,7 @@ namespace Service::Nvidia::Devices {
 
 class nvhost_nvjpg final : public nvdevice {
 public:
-    nvhost_nvjpg(Core::System& system);
+    explicit nvhost_nvjpg(Core::System& system);
     ~nvhost_nvjpg() override;
 
     u32 ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_vic.cpp b/src/core/hle/service/nvdrv/devices/nvhost_vic.cpp
index 24e38d31a..70e8091db 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_vic.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_vic.cpp
@@ -10,7 +10,7 @@
 
 namespace Service::Nvidia::Devices {
 
-nvhost_vic::nvhost_vic(Core::System& system) : nvdevice(system){};
+nvhost_vic::nvhost_vic(Core::System& system) : nvdevice(system) {}
 nvhost_vic::~nvhost_vic() = default;
 
 u32 nvhost_vic::ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_vic.h b/src/core/hle/service/nvdrv/devices/nvhost_vic.h
index 3d0934a78..7d111977e 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_vic.h
+++ b/src/core/hle/service/nvdrv/devices/nvhost_vic.h
@@ -13,7 +13,7 @@ namespace Service::Nvidia::Devices {
 
 class nvhost_vic final : public nvdevice {
 public:
-    nvhost_vic(Core::System& system);
+    explicit nvhost_vic(Core::System& system);
     ~nvhost_vic() override;
 
     u32 ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
diff --git a/src/core/hle/service/nvdrv/devices/nvmap.cpp b/src/core/hle/service/nvdrv/devices/nvmap.cpp
index 349454685..223b496b7 100644
--- a/src/core/hle/service/nvdrv/devices/nvmap.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvmap.cpp
@@ -18,7 +18,7 @@ enum {
 };
 }
 
-nvmap::nvmap(Core::System& system) : nvdevice(system){};
+nvmap::nvmap(Core::System& system) : nvdevice(system) {}
 nvmap::~nvmap() = default;
 
 VAddr nvmap::GetObjectAddress(u32 handle) const {
diff --git a/src/core/hle/service/nvdrv/devices/nvmap.h b/src/core/hle/service/nvdrv/devices/nvmap.h
index b79ed736c..bf4a101c2 100644
--- a/src/core/hle/service/nvdrv/devices/nvmap.h
+++ b/src/core/hle/service/nvdrv/devices/nvmap.h
@@ -16,7 +16,7 @@ namespace Service::Nvidia::Devices {
 
 class nvmap final : public nvdevice {
 public:
-    nvmap(Core::System& system);
+    explicit nvmap(Core::System& system);
     ~nvmap() override;
 
     /// Returns the allocated address of an nvmap object given its handle.
diff --git a/src/core/hle/service/nvdrv/nvdrv.cpp b/src/core/hle/service/nvdrv/nvdrv.cpp
index 8958e21e3..2011a226a 100644
--- a/src/core/hle/service/nvdrv/nvdrv.cpp
+++ b/src/core/hle/service/nvdrv/nvdrv.cpp
@@ -100,11 +100,11 @@ void Module::SignalSyncpt(const u32 syncpoint_id, const u32 value) {
     }
 }
 
-Kernel::SharedPtr<Kernel::ReadableEvent> Module::GetEvent(const u32 event_id) {
+Kernel::SharedPtr<Kernel::ReadableEvent> Module::GetEvent(const u32 event_id) const {
     return events_interface.events[event_id].readable;
 }
 
-Kernel::SharedPtr<Kernel::WritableEvent> Module::GetEventWriteable(const u32 event_id) {
+Kernel::SharedPtr<Kernel::WritableEvent> Module::GetEventWriteable(const u32 event_id) const {
     return events_interface.events[event_id].writable;
 }
 
diff --git a/src/core/hle/service/nvdrv/nvdrv.h b/src/core/hle/service/nvdrv/nvdrv.h
index b7f692962..8f7c59a21 100644
--- a/src/core/hle/service/nvdrv/nvdrv.h
+++ b/src/core/hle/service/nvdrv/nvdrv.h
@@ -26,14 +26,15 @@ namespace Devices {
 class nvdevice;
 }
 
-struct EventsInterface {
+struct EventInterface {
     u64 events_mask{};
     std::array<Kernel::EventPair, MaxNvEvents> events;
     std::array<EventState, MaxNvEvents> status{};
     std::array<bool, MaxNvEvents> registered{};
     std::array<u32, MaxNvEvents> assigned_syncpt{};
     std::array<u32, MaxNvEvents> assigned_value{};
-    u32 GetFreeEvent() {
+    static constexpr u32 null_event = 0xFFFFFFFF;
+    u32 GetFreeEvent() const {
         u64 mask = events_mask;
         for (u32 i = 0; i < MaxNvEvents; i++) {
             const bool is_free = (mask & 0x1) == 0;
@@ -44,12 +45,13 @@ struct EventsInterface {
             }
             mask = mask >> 1;
         }
-        return 0xFFFFFFFF;
+        return null_event;
     }
     void SetEventStatus(const u32 event_id, EventState new_status) {
         EventState old_status = status[event_id];
-        if (old_status == new_status)
+        if (old_status == new_status) {
             return;
+        }
         status[event_id] = new_status;
         if (new_status == EventState::Registered) {
             registered[event_id] = true;
@@ -102,9 +104,9 @@ public:
 
     void SignalSyncpt(const u32 syncpoint_id, const u32 value);
 
-    Kernel::SharedPtr<Kernel::ReadableEvent> GetEvent(const u32 event_id);
+    Kernel::SharedPtr<Kernel::ReadableEvent> GetEvent(u32 event_id) const;
 
-    Kernel::SharedPtr<Kernel::WritableEvent> GetEventWriteable(const u32 event_id);
+    Kernel::SharedPtr<Kernel::WritableEvent> GetEventWriteable(u32 event_id) const;
 
 private:
     /// Id to use for the next open file descriptor.
@@ -116,7 +118,7 @@ private:
     /// Mapping of device node names to their implementation.
     std::unordered_map<std::string, std::shared_ptr<Devices::nvdevice>> devices;
 
-    EventsInterface events_interface;
+    EventInterface events_interface;
 };
 
 /// Registers all NVDRV services with the specified service manager.
diff --git a/src/core/hle/service/nvflinger/buffer_queue.cpp b/src/core/hle/service/nvflinger/buffer_queue.cpp
index d8aa3f1c0..ddc224f2c 100644
--- a/src/core/hle/service/nvflinger/buffer_queue.cpp
+++ b/src/core/hle/service/nvflinger/buffer_queue.cpp
@@ -79,7 +79,7 @@ void BufferQueue::QueueBuffer(u32 slot, BufferTransformFlags transform,
 }
 
 std::optional<std::reference_wrapper<const BufferQueue::Buffer>> BufferQueue::AcquireBuffer() {
-    std::vector<Buffer>::iterator itr = queue.end();
+    auto itr = queue.end();
     while (itr == queue.end() && !queue_sequence.empty()) {
         u32 slot = queue_sequence.front();
         itr = std::find_if(queue.begin(), queue.end(), [&slot](const Buffer& buffer) {
diff --git a/src/core/hle/service/nvflinger/nvflinger.cpp b/src/core/hle/service/nvflinger/nvflinger.cpp
index 70441f6a2..f9db79370 100644
--- a/src/core/hle/service/nvflinger/nvflinger.cpp
+++ b/src/core/hle/service/nvflinger/nvflinger.cpp
@@ -37,8 +37,6 @@ NVFlinger::NVFlinger(Core::Timing::CoreTiming& core_timing) : core_timing{core_t
     displays.emplace_back(4, "Null");
 
     // Schedule the screen composition events
-    // const auto ticks = Settings::values.force_30fps_mode ? frame_ticks_30fps : frame_ticks;
-
     composition_event = core_timing.RegisterEvent("ScreenComposition", [this](u64 userdata,
                                                                               s64 cycles_late) {
         Compose();
@@ -212,8 +210,9 @@ void NVFlinger::Compose() {
     }
 }
 
-s64 NVFlinger::GetNextTicks() {
-    return (Core::Timing::BASE_CLOCK_RATE * (1LL << swap_interval)) / 120;
+s64 NVFlinger::GetNextTicks() const {
+    constexpr s64 max_hertz = 120LL;
+    return (Core::Timing::BASE_CLOCK_RATE * (1LL << swap_interval)) / max_hertz;
 }
 
 } // namespace Service::NVFlinger
diff --git a/src/core/hle/service/nvflinger/nvflinger.h b/src/core/hle/service/nvflinger/nvflinger.h
index 86b94302c..988be8726 100644
--- a/src/core/hle/service/nvflinger/nvflinger.h
+++ b/src/core/hle/service/nvflinger/nvflinger.h
@@ -74,7 +74,7 @@ public:
     /// finished.
     void Compose();
 
-    s64 GetNextTicks();
+    s64 GetNextTicks() const;
 
 private:
     /// Finds the display identified by the specified ID.
-- 
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