9 files changed, 45 insertions, 32 deletions

diff --git a/src/core/core.cpp b/src/core/core.cpp
index 40eea297e..3393c33eb 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -151,7 +151,6 @@ struct System::Impl {
         cpu_manager.SetMulticore(is_multicore);
         cpu_manager.SetAsyncGpu(is_async_gpu);
         core_timing.SetMulticore(is_multicore);
-        cpu_manager.SetRenderWindow(emu_window);
 
         core_timing.Initialize([&system]() { system.RegisterHostThread(); });
         kernel.Initialize();
@@ -435,7 +434,7 @@ bool System::IsPoweredOn() const {
 }
 
 void System::PrepareReschedule() {
-    //impl->CurrentPhysicalCore().Stop();
+    // impl->CurrentPhysicalCore().Stop();
 }
 
 void System::PrepareReschedule(const u32 core_index) {
diff --git a/src/core/cpu_manager.cpp b/src/core/cpu_manager.cpp
index b7c2a7832..63c578852 100644
--- a/src/core/cpu_manager.cpp
+++ b/src/core/cpu_manager.cpp
@@ -9,12 +9,12 @@
 #include "core/core.h"
 #include "core/core_timing.h"
 #include "core/cpu_manager.h"
-#include "core/frontend/emu_window.h"
 #include "core/gdbstub/gdbstub.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/physical_core.h"
 #include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
+#include "video_core/gpu.h"
 
 namespace Core {
 
@@ -25,10 +25,6 @@ void CpuManager::ThreadStart(CpuManager& cpu_manager, std::size_t core) {
     cpu_manager.RunThread(core);
 }
 
-void CpuManager::SetRenderWindow(Core::Frontend::EmuWindow& render_window) {
-    this->render_window = &render_window;
-}
-
 void CpuManager::Initialize() {
     running_mode = true;
     if (is_multicore) {
@@ -354,7 +350,7 @@ void CpuManager::RunThread(std::size_t core) {
         data.is_running = false;
         data.enter_barrier->Wait();
         if (sc_sync_first_use) {
-            render_window->MakeCurrent();
+            system.GPU().ObtainContext();
             sc_sync_first_use = false;
         }
         auto& scheduler = system.Kernel().CurrentScheduler();
@@ -366,9 +362,6 @@ void CpuManager::RunThread(std::size_t core) {
         data.exit_barrier->Wait();
         data.is_paused = false;
     }
-    if (sc_sync) {
-        render_window->DoneCurrent();
-    }
     /// Time to cleanup
     data.host_context->Exit();
     data.enter_barrier.reset();
diff --git a/src/core/cpu_manager.h b/src/core/cpu_manager.h
index ae55d6427..35929ed94 100644
--- a/src/core/cpu_manager.h
+++ b/src/core/cpu_manager.h
@@ -16,10 +16,6 @@ class Event;
 class Fiber;
 } // namespace Common
 
-namespace Core::Frontend {
-class EmuWindow;
-} // namespace Core::Frontend
-
 namespace Core {
 
 class System;
@@ -61,8 +57,6 @@ public:
         return current_core.load();
     }
 
-    void SetRenderWindow(Core::Frontend::EmuWindow& render_window);
-
 private:
     static void GuestThreadFunction(void* cpu_manager);
     static void GuestRewindFunction(void* cpu_manager);
@@ -106,7 +100,6 @@ private:
     std::size_t preemption_count{};
     std::size_t idle_count{};
     static constexpr std::size_t max_cycle_runs = 5;
-    Core::Frontend::EmuWindow* render_window;
 
     System& system;
 };
diff --git a/src/video_core/gpu.h b/src/video_core/gpu.h
index a1b4c305c..2c42483bd 100644
--- a/src/video_core/gpu.h
+++ b/src/video_core/gpu.h
@@ -284,6 +284,12 @@ public:
     /// core timing events.
     virtual void Start() = 0;
 
+    /// Obtain the CPU Context
+    virtual void ObtainContext() = 0;
+
+    /// Release the CPU Context
+    virtual void ReleaseContext() = 0;
+
     /// Push GPU command entries to be processed
     virtual void PushGPUEntries(Tegra::CommandList&& entries) = 0;
 
diff --git a/src/video_core/gpu_asynch.cpp b/src/video_core/gpu_asynch.cpp
index 53305ab43..7b855f63e 100644
--- a/src/video_core/gpu_asynch.cpp
+++ b/src/video_core/gpu_asynch.cpp
@@ -19,10 +19,17 @@ GPUAsynch::GPUAsynch(Core::System& system, std::unique_ptr<VideoCore::RendererBa
 GPUAsynch::~GPUAsynch() = default;
 
 void GPUAsynch::Start() {
-    cpu_context->MakeCurrent();
     gpu_thread.StartThread(*renderer, *gpu_context, *dma_pusher);
 }
 
+void GPUAsynch::ObtainContext() {
+    cpu_context->MakeCurrent();
+}
+
+void GPUAsynch::ReleaseContext() {
+    cpu_context->DoneCurrent();
+}
+
 void GPUAsynch::PushGPUEntries(Tegra::CommandList&& entries) {
     gpu_thread.SubmitList(std::move(entries));
 }
diff --git a/src/video_core/gpu_asynch.h b/src/video_core/gpu_asynch.h
index 517658612..15e9f1d38 100644
--- a/src/video_core/gpu_asynch.h
+++ b/src/video_core/gpu_asynch.h
@@ -25,6 +25,8 @@ public:
     ~GPUAsynch() override;
 
     void Start() override;
+    void ObtainContext() override;
+    void ReleaseContext() override;
     void PushGPUEntries(Tegra::CommandList&& entries) override;
     void SwapBuffers(const Tegra::FramebufferConfig* framebuffer) override;
     void FlushRegion(VAddr addr, u64 size) override;
diff --git a/src/video_core/gpu_synch.cpp b/src/video_core/gpu_synch.cpp
index 6f38a672a..aaeb9811d 100644
--- a/src/video_core/gpu_synch.cpp
+++ b/src/video_core/gpu_synch.cpp
@@ -13,10 +13,16 @@ GPUSynch::GPUSynch(Core::System& system, std::unique_ptr<VideoCore::RendererBase
 
 GPUSynch::~GPUSynch() = default;
 
-void GPUSynch::Start() {
+void GPUSynch::Start() {}
+
+void GPUSynch::ObtainContext() {
     context->MakeCurrent();
 }
 
+void GPUSynch::ReleaseContext() {
+    context->DoneCurrent();
+}
+
 void GPUSynch::PushGPUEntries(Tegra::CommandList&& entries) {
     dma_pusher->Push(std::move(entries));
     dma_pusher->DispatchCalls();
diff --git a/src/video_core/gpu_synch.h b/src/video_core/gpu_synch.h
index 4a6e9a01d..762c20aa5 100644
--- a/src/video_core/gpu_synch.h
+++ b/src/video_core/gpu_synch.h
@@ -24,6 +24,8 @@ public:
     ~GPUSynch() override;
 
     void Start() override;
+    void ObtainContext() override;
+    void ReleaseContext() override;
     void PushGPUEntries(Tegra::CommandList&& entries) override;
     void SwapBuffers(const Tegra::FramebufferConfig* framebuffer) override;
     void FlushRegion(VAddr addr, u64 size) override;
diff --git a/src/yuzu/bootmanager.cpp b/src/yuzu/bootmanager.cpp
index 6aa161e99..5f93bd432 100644
--- a/src/yuzu/bootmanager.cpp
+++ b/src/yuzu/bootmanager.cpp
@@ -48,24 +48,29 @@ void EmuThread::run() {
     MicroProfileOnThreadCreate(name.c_str());
     Common::SetCurrentThreadName(name.c_str());
 
+    auto& system = Core::System::GetInstance();
+
+    system.RegisterHostThread();
+
+    auto& gpu = system.GPU();
+
     // Main process has been loaded. Make the context current to this thread and begin GPU and CPU
     // execution.
-    Core::System::GetInstance().GPU().Start();
+    gpu.Start();
 
-    emit LoadProgress(VideoCore::LoadCallbackStage::Prepare, 0, 0);
+    gpu.ObtainContext();
 
-    Core::System::GetInstance().RegisterHostThread();
-
-    context.MakeCurrent();
+    emit LoadProgress(VideoCore::LoadCallbackStage::Prepare, 0, 0);
 
-    Core::System::GetInstance().Renderer().Rasterizer().LoadDiskResources(
+    system.Renderer().Rasterizer().LoadDiskResources(
         stop_run, [this](VideoCore::LoadCallbackStage stage, std::size_t value, std::size_t total) {
             emit LoadProgress(stage, value, total);
         });
 
     emit LoadProgress(VideoCore::LoadCallbackStage::Complete, 0, 0);
 
-    context.DoneCurrent();
+    gpu.ReleaseContext();
+
 
     // Holds whether the cpu was running during the last iteration,
     // so that the DebugModeLeft signal can be emitted before the
@@ -78,18 +83,18 @@ void EmuThread::run() {
             }
 
             running_guard = true;
-            Core::System::ResultStatus result = Core::System::GetInstance().Run();
+            Core::System::ResultStatus result = system.Run();
             if (result != Core::System::ResultStatus::Success) {
                 running_guard = false;
                 this->SetRunning(false);
-                emit ErrorThrown(result, Core::System::GetInstance().GetStatusDetails());
+                emit ErrorThrown(result, system.GetStatusDetails());
             }
             running_wait.Wait();
-            result = Core::System::GetInstance().Pause();
+            result = system.Pause();
             if (result != Core::System::ResultStatus::Success) {
                 running_guard = false;
                 this->SetRunning(false);
-                emit ErrorThrown(result, Core::System::GetInstance().GetStatusDetails());
+                emit ErrorThrown(result, system.GetStatusDetails());
             }
             running_guard = false;
 
@@ -106,7 +111,7 @@ void EmuThread::run() {
     }
 
     // Shutdown the core emulation
-    Core::System::GetInstance().Shutdown();
+    system.Shutdown();
 
 #if MICROPROFILE_ENABLED
     MicroProfileOnThreadExit();