service: Use nested namespace specifiers where applicable

Tidies up namespace declarations

src/core/hle/service/nvdrv/devices/nvdevice.h

@@ -9,9 +9,7 @@
 #include "common/common_types.h"
 #include "common/swap.h"
 
-namespace Service {
-namespace Nvidia {
-namespace Devices {
+namespace Service::Nvidia::Devices {
 
 /// Represents an abstract nvidia device node. It is to be subclassed by concrete device nodes to
 /// implement the ioctl interface.
@@ -38,6 +36,4 @@ public:
     virtual u32 ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) = 0;
 };
 
-} // namespace Devices
-} // namespace Nvidia
-} // namespace Service
+} // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvdisp_disp0.cpp

@@ -10,9 +10,7 @@
 #include "video_core/renderer_base.h"
 #include "video_core/video_core.h"
 
-namespace Service {
-namespace Nvidia {
-namespace Devices {
+namespace Service::Nvidia::Devices {
 
 u32 nvdisp_disp0::ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) {
     UNIMPLEMENTED();
@@ -35,6 +33,4 @@ void nvdisp_disp0::flip(u32 buffer_handle, u32 offset, u32 format, u32 width, u3
     VideoCore::g_renderer->SwapBuffers(framebuffer);
 }
 
-} // namespace Devices
-} // namespace Nvidia
-} // namespace Service
+} // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvdisp_disp0.h

@@ -10,9 +10,7 @@
 #include "core/hle/service/nvdrv/devices/nvdevice.h"
 #include "core/hle/service/nvflinger/buffer_queue.h"
 
-namespace Service {
-namespace Nvidia {
-namespace Devices {
+namespace Service::Nvidia::Devices {
 
 class nvmap;
 
@@ -31,6 +29,4 @@ private:
     std::shared_ptr<nvmap> nvmap_dev;
 };
 
-} // namespace Devices
-} // namespace Nvidia
-} // namespace Service
+} // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp

@@ -9,9 +9,7 @@
 #include "core/hle/service/nvdrv/devices/nvhost_as_gpu.h"
 #include "core/hle/service/nvdrv/devices/nvmap.h"
 
-namespace Service {
-namespace Nvidia {
-namespace Devices {
+namespace Service::Nvidia::Devices {
 
 u32 nvhost_as_gpu::ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) {
     LOG_DEBUG(Service_NVDRV, "called, command=0x%08x, input_size=0x%zx, output_size=0x%zx",
@@ -115,6 +113,4 @@ u32 nvhost_as_gpu::GetVARegions(const std::vector<u8>& input, std::vector<u8>& o
     return 0;
 }
 
-} // namespace Devices
-} // namespace Nvidia
-} // namespace Service
+} // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_as_gpu.h

@@ -11,9 +11,7 @@
 #include "common/swap.h"
 #include "core/hle/service/nvdrv/devices/nvdevice.h"
 
-namespace Service {
-namespace Nvidia {
-namespace Devices {
+namespace Service::Nvidia::Devices {
 
 class nvmap;
 
@@ -100,6 +98,4 @@ private:
     std::shared_ptr<nvmap> nvmap_dev;
 };
 
-} // namespace Devices
-} // namespace Nvidia
-} // namespace Service
+} // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp

@@ -6,9 +6,7 @@
 #include "common/logging/log.h"
 #include "core/hle/service/nvdrv/devices/nvhost_ctrl.h"
 
-namespace Service {
-namespace Nvidia {
-namespace Devices {
+namespace Service::Nvidia::Devices {
 
 u32 nvhost_ctrl::ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) {
     LOG_DEBUG(Service_NVDRV, "called, command=0x%08x, input_size=0x%zx, output_size=0x%zx",
@@ -59,6 +57,4 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
     return 0;
 }
 
-} // namespace Devices
-} // namespace Nvidia
-} // namespace Service
+} // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_ctrl.h

@@ -11,9 +11,7 @@
 #include "common/common_types.h"
 #include "core/hle/service/nvdrv/devices/nvdevice.h"
 
-namespace Service {
-namespace Nvidia {
-namespace Devices {
+namespace Service::Nvidia::Devices {
 
 class nvhost_ctrl final : public nvdevice {
 public:
@@ -55,6 +53,4 @@ private:
     u32 IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>& output);
 };
 
-} // namespace Devices
-} // namespace Nvidia
-} // namespace Service
+} // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.cpp

@@ -7,9 +7,7 @@
 #include "common/logging/log.h"
 #include "core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.h"
 
-namespace Service {
-namespace Nvidia {
-namespace Devices {
+namespace Service::Nvidia::Devices {
 
 u32 nvhost_ctrl_gpu::ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) {
     LOG_DEBUG(Service_NVDRV, "called, command=0x%08x, input_size=0x%zx, output_size=0x%zx",
@@ -122,6 +120,4 @@ u32 nvhost_ctrl_gpu::ZCullGetInfo(const std::vector<u8>& input, std::vector<u8>&
     return 0;
 }
 
-} // namespace Devices
-} // namespace Nvidia
-} // namespace Service
+} // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.h

@@ -9,9 +9,7 @@
 #include "common/swap.h"
 #include "core/hle/service/nvdrv/devices/nvdevice.h"
 
-namespace Service {
-namespace Nvidia {
-namespace Devices {
+namespace Service::Nvidia::Devices {
 
 class nvhost_ctrl_gpu final : public nvdevice {
 public:
@@ -125,6 +123,5 @@ private:
     u32 ZCullGetCtxSize(const std::vector<u8>& input, std::vector<u8>& output);
     u32 ZCullGetInfo(const std::vector<u8>& input, std::vector<u8>& output);
 };
-} // namespace Devices
-} // namespace Nvidia
-} // namespace Service
+
+} // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp

@@ -9,9 +9,7 @@
 #include "core/core.h"
 #include "core/hle/service/nvdrv/devices/nvhost_gpu.h"
 
-namespace Service {
-namespace Nvidia {
-namespace Devices {
+namespace Service::Nvidia::Devices {
 
 u32 nvhost_gpu::ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) {
     LOG_DEBUG(Service_NVDRV, "called, command=0x%08x, input_size=0x%zx, output_size=0x%zx",
@@ -142,6 +140,4 @@ u32 nvhost_gpu::SubmitGPFIFO(const std::vector<u8>& input, std::vector<u8>& outp
     return 0;
 }
 
-} // namespace Devices
-} // namespace Nvidia
-} // namespace Service
+} // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_gpu.h

@@ -10,9 +10,7 @@
 #include "common/swap.h"
 #include "core/hle/service/nvdrv/devices/nvdevice.h"
 
-namespace Service {
-namespace Nvidia {
-namespace Devices {
+namespace Service::Nvidia::Devices {
 
 class nvmap;
 constexpr u32 NVGPU_IOCTL_MAGIC('H');
@@ -139,6 +137,4 @@ private:
     std::shared_ptr<nvmap> nvmap_dev;
 };
 
-} // namespace Devices
-} // namespace Nvidia
-} // namespace Service
+} // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvmap.cpp

@@ -9,9 +9,7 @@
 #include "common/logging/log.h"
 #include "core/hle/service/nvdrv/devices/nvmap.h"
 
-namespace Service {
-namespace Nvidia {
-namespace Devices {
+namespace Service::Nvidia::Devices {
 
 VAddr nvmap::GetObjectAddress(u32 handle) const {
     auto object = GetObject(handle);
@@ -144,6 +142,4 @@ u32 nvmap::IocParam(const std::vector<u8>& input, std::vector<u8>& output) {
     return 0;
 }
 
-} // namespace Devices
-} // namespace Nvidia
-} // namespace Service
+} // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvmap.h

@@ -12,9 +12,7 @@
 #include "common/swap.h"
 #include "core/hle/service/nvdrv/devices/nvdevice.h"
 
-namespace Service {
-namespace Nvidia {
-namespace Devices {
+namespace Service::Nvidia::Devices {
 
 class nvmap final : public nvdevice {
 public:
@@ -111,6 +109,4 @@ private:
     u32 IocParam(const std::vector<u8>& input, std::vector<u8>& output);
 };
 
-} // namespace Devices
-} // namespace Nvidia
-} // namespace Service
+} // namespace Service::Nvidia::Devices