From a6371fb69dc87a65b766a2a274e6cf25459b8975 Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Thu, 16 Jun 2022 23:42:39 -0400
Subject: [PATCH] core: fix initialization in single core, sync GPU mode
---
src/core/cpu_manager.cpp | 3 +++
src/core/cpu_manager.h | 5 +++++
src/yuzu/bootmanager.cpp | 3 +++
src/yuzu_cmd/yuzu.cpp | 2 ++
4 files changed, 13 insertions(+)
diff --git a/src/core/cpu_manager.cpp b/src/core/cpu_manager.cpp
index 1c07dc90e5..d69b2602a7 100644
--- a/src/core/cpu_manager.cpp
+++ b/src/core/cpu_manager.cpp
@@ -26,6 +26,7 @@ void CpuManager::ThreadStart(std::stop_token stop_token, CpuManager& cpu_manager
void CpuManager::Initialize() {
num_cores = is_multicore ? Core::Hardware::NUM_CPU_CORES : 1;
+ gpu_barrier = std::make_unique<Common::Barrier>(num_cores + 1);
for (std::size_t core = 0; core < num_cores; core++) {
core_data[core].host_thread = std::jthread(ThreadStart, std::ref(*this), core);
@@ -230,6 +231,8 @@ void CpuManager::RunThread(std::size_t core) {
});
// Running
+ gpu_barrier->Sync();
+
if (!is_async_gpu && !is_multicore) {
system.GPU().ObtainContext();
}
diff --git a/src/core/cpu_manager.h b/src/core/cpu_manager.h
index 681bdaf19c..f0751fc588 100644
--- a/src/core/cpu_manager.h
+++ b/src/core/cpu_manager.h
@@ -43,6 +43,10 @@ public:
is_async_gpu = is_async;
}
+ void OnGpuReady() {
+ gpu_barrier->Sync();
+ }
+
void Initialize();
void Shutdown();
@@ -81,6 +85,7 @@ private:
std::jthread host_thread;
};
+ std::unique_ptr<Common::Barrier> gpu_barrier{};
std::array<CoreData, Core::Hardware::NUM_CPU_CORES> core_data{};
bool is_async_gpu{};
diff --git a/src/yuzu/bootmanager.cpp b/src/yuzu/bootmanager.cpp
index cbe4e2daa5..01acda22b7 100644
--- a/src/yuzu/bootmanager.cpp
+++ b/src/yuzu/bootmanager.cpp
@@ -29,6 +29,7 @@
#include "common/scm_rev.h"
#include "common/settings.h"
#include "core/core.h"
+#include "core/cpu_manager.h"
#include "core/frontend/framebuffer_layout.h"
#include "input_common/drivers/keyboard.h"
#include "input_common/drivers/mouse.h"
@@ -73,6 +74,8 @@ void EmuThread::run() {
gpu.ReleaseContext();
+ system.GetCpuManager().OnGpuReady();
+
// Holds whether the cpu was running during the last iteration,
// so that the DebugModeLeft signal can be emitted before the
// next execution step
diff --git a/src/yuzu_cmd/yuzu.cpp b/src/yuzu_cmd/yuzu.cpp
index e840732e2e..cb301e78b1 100644
--- a/src/yuzu_cmd/yuzu.cpp
+++ b/src/yuzu_cmd/yuzu.cpp
@@ -21,6 +21,7 @@
#include "common/string_util.h"
#include "common/telemetry.h"
#include "core/core.h"
+#include "core/cpu_manager.h"
#include "core/crypto/key_manager.h"
#include "core/file_sys/registered_cache.h"
#include "core/file_sys/vfs_real.h"
@@ -216,6 +217,7 @@ int main(int argc, char** argv) {
// Core is loaded, start the GPU (makes the GPU contexts current to this thread)
system.GPU().Start();
+ system.GetCpuManager().OnGpuReady();
if (Settings::values.use_disk_shader_cache.GetValue()) {
system.Renderer().ReadRasterizer()->LoadDiskResources(