diff --git a/src/core/core.cpp b/src/core/core.cpp index 2b8ec3ca79..eb300eef73 100644 --- a/src/core/core.cpp +++ b/src/core/core.cpp @@ -3,9 +3,7 @@ // Refer to the license.txt file included. #include -#include #include -#include #include #include "common/file_util.h" @@ -38,8 +36,6 @@ #include "frontend/applets/software_keyboard.h" #include "frontend/applets/web_browser.h" #include "video_core/debug_utils/debug_utils.h" -#include "video_core/gpu_asynch.h" -#include "video_core/gpu_synch.h" #include "video_core/renderer_base.h" #include "video_core/video_core.h" @@ -135,13 +131,9 @@ struct System::Impl { return ResultStatus::ErrorVideoCore; } - is_powered_on = true; + gpu_core = VideoCore::CreateGPU(system); - if (Settings::values.use_asynchronous_gpu_emulation) { - gpu_core = std::make_unique(system, *renderer); - } else { - gpu_core = std::make_unique(system, *renderer); - } + is_powered_on = true; LOG_DEBUG(Core, "Initialized OK"); @@ -188,7 +180,8 @@ struct System::Impl { } // Main process has been loaded and been made current. - // Begin CPU execution. + // Begin GPU and CPU execution. + gpu_core->Start(); cpu_core_manager.StartThreads(); status = ResultStatus::Success; diff --git a/src/video_core/gpu.h b/src/video_core/gpu.h index de30ea3546..fe66289230 100644 --- a/src/video_core/gpu.h +++ b/src/video_core/gpu.h @@ -207,6 +207,11 @@ public: }; } regs{}; + /// Performs any additional setup necessary in order to begin GPU emulation. + /// This can be used to launch any necessary threads and register any necessary + /// core timing events. + virtual void Start() = 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 db507cf04f..d4e2553a95 100644 --- a/src/video_core/gpu_asynch.cpp +++ b/src/video_core/gpu_asynch.cpp @@ -9,10 +9,14 @@ namespace VideoCommon { GPUAsynch::GPUAsynch(Core::System& system, VideoCore::RendererBase& renderer) - : Tegra::GPU(system, renderer), gpu_thread{system, renderer, *dma_pusher} {} + : GPU(system, renderer), gpu_thread{system} {} GPUAsynch::~GPUAsynch() = default; +void GPUAsynch::Start() { + gpu_thread.StartThread(renderer, *dma_pusher); +} + 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 1dcc61a6cb..30be74cba8 100644 --- a/src/video_core/gpu_asynch.h +++ b/src/video_core/gpu_asynch.h @@ -13,16 +13,13 @@ class RendererBase; namespace VideoCommon { -namespace GPUThread { -class ThreadManager; -} // namespace GPUThread - /// Implementation of GPU interface that runs the GPU asynchronously class GPUAsynch : public Tegra::GPU { public: explicit GPUAsynch(Core::System& system, VideoCore::RendererBase& renderer); ~GPUAsynch() override; + void Start() override; void PushGPUEntries(Tegra::CommandList&& entries) override; void SwapBuffers( std::optional> framebuffer) override; diff --git a/src/video_core/gpu_synch.cpp b/src/video_core/gpu_synch.cpp index 2cfc900ed7..45e43b1dc5 100644 --- a/src/video_core/gpu_synch.cpp +++ b/src/video_core/gpu_synch.cpp @@ -8,10 +8,12 @@ namespace VideoCommon { GPUSynch::GPUSynch(Core::System& system, VideoCore::RendererBase& renderer) - : Tegra::GPU(system, renderer) {} + : GPU(system, renderer) {} GPUSynch::~GPUSynch() = default; +void GPUSynch::Start() {} + 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 766b5631c7..3031fcf725 100644 --- a/src/video_core/gpu_synch.h +++ b/src/video_core/gpu_synch.h @@ -18,6 +18,7 @@ public: explicit GPUSynch(Core::System& system, VideoCore::RendererBase& renderer); ~GPUSynch() override; + void Start() override; void PushGPUEntries(Tegra::CommandList&& entries) override; void SwapBuffers( std::optional> framebuffer) override; diff --git a/src/video_core/gpu_thread.cpp b/src/video_core/gpu_thread.cpp index cc56cf4673..c9a2077de4 100644 --- a/src/video_core/gpu_thread.cpp +++ b/src/video_core/gpu_thread.cpp @@ -55,19 +55,24 @@ static void RunThread(VideoCore::RendererBase& renderer, Tegra::DmaPusher& dma_p } } -ThreadManager::ThreadManager(Core::System& system, VideoCore::RendererBase& renderer, - Tegra::DmaPusher& dma_pusher) - : system{system}, thread{RunThread, std::ref(renderer), std::ref(dma_pusher), std::ref(state)} { - synchronization_event = system.CoreTiming().RegisterEvent( - "GPUThreadSynch", [this](u64 fence, s64) { state.WaitForSynchronization(fence); }); -} +ThreadManager::ThreadManager(Core::System& system) : system{system} {} ThreadManager::~ThreadManager() { + if (!thread.joinable()) { + return; + } + // Notify GPU thread that a shutdown is pending PushCommand(EndProcessingCommand()); thread.join(); } +void ThreadManager::StartThread(VideoCore::RendererBase& renderer, Tegra::DmaPusher& dma_pusher) { + thread = std::thread{RunThread, std::ref(renderer), std::ref(dma_pusher), std::ref(state)}; + synchronization_event = system.CoreTiming().RegisterEvent( + "GPUThreadSynch", [this](u64 fence, s64) { state.WaitForSynchronization(fence); }); +} + void ThreadManager::SubmitList(Tegra::CommandList&& entries) { const u64 fence{PushCommand(SubmitListCommand(std::move(entries)))}; const s64 synchronization_ticks{Core::Timing::usToCycles(9000)}; diff --git a/src/video_core/gpu_thread.h b/src/video_core/gpu_thread.h index 62bcea5bb2..cc14527c79 100644 --- a/src/video_core/gpu_thread.h +++ b/src/video_core/gpu_thread.h @@ -138,10 +138,12 @@ struct SynchState final { /// Class used to manage the GPU thread class ThreadManager final { public: - explicit ThreadManager(Core::System& system, VideoCore::RendererBase& renderer, - Tegra::DmaPusher& dma_pusher); + explicit ThreadManager(Core::System& system); ~ThreadManager(); + /// Creates and starts the GPU thread. + void StartThread(VideoCore::RendererBase& renderer, Tegra::DmaPusher& dma_pusher); + /// Push GPU command entries to be processed void SubmitList(Tegra::CommandList&& entries); diff --git a/src/video_core/video_core.cpp b/src/video_core/video_core.cpp index cb82ecf3f6..60cda0ca3e 100644 --- a/src/video_core/video_core.cpp +++ b/src/video_core/video_core.cpp @@ -5,6 +5,8 @@ #include #include "core/core.h" #include "core/settings.h" +#include "video_core/gpu_asynch.h" +#include "video_core/gpu_synch.h" #include "video_core/renderer_base.h" #include "video_core/renderer_opengl/renderer_opengl.h" #include "video_core/video_core.h" @@ -16,6 +18,14 @@ std::unique_ptr CreateRenderer(Core::Frontend::EmuWindow& emu_wind return std::make_unique(emu_window, system); } +std::unique_ptr CreateGPU(Core::System& system) { + if (Settings::values.use_asynchronous_gpu_emulation) { + return std::make_unique(system, system.Renderer()); + } + + return std::make_unique(system, system.Renderer()); +} + u16 GetResolutionScaleFactor(const RendererBase& renderer) { return static_cast( Settings::values.resolution_factor diff --git a/src/video_core/video_core.h b/src/video_core/video_core.h index 3c583f1954..b8e0ac3728 100644 --- a/src/video_core/video_core.h +++ b/src/video_core/video_core.h @@ -14,6 +14,10 @@ namespace Core::Frontend { class EmuWindow; } +namespace Tegra { +class GPU; +} + namespace VideoCore { class RendererBase; @@ -27,6 +31,9 @@ class RendererBase; std::unique_ptr CreateRenderer(Core::Frontend::EmuWindow& emu_window, Core::System& system); +/// Creates an emulated GPU instance using the given system context. +std::unique_ptr CreateGPU(Core::System& system); + u16 GetResolutionScaleFactor(const RendererBase& renderer); } // namespace VideoCore