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VideoCommon: Hold ImGui lock while initializing and shutting down ImGui.

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This commit is contained in:
Admiral H. Curtiss 2022-11-06 21:48:55 +01:00
parent e37aa3ed90
commit a98df18947
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GPG Key ID: F051B4C4044F33FB
2 changed files with 12 additions and 1 deletions
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10
Source/Core/VideoCommon/RenderBase.cpp
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@ -1009,6 +1009,8 @@ void Renderer::RecordVideoMemory()
bool Renderer::InitializeImGui()
{
std::unique_lock<std::mutex> imgui_lock(m_imgui_mutex);
if (!IMGUI_CHECKVERSION())
{
PanicAlertFmt("ImGui version check failed");
@ -1068,7 +1070,7 @@ bool Renderer::InitializeImGui()
return false;
m_imgui_last_frame_time = Common::Timer::NowUs();
BeginImGuiFrame();
BeginImGuiFrameUnlocked(); // lock is already held
return true;
}
@ -1129,6 +1131,8 @@ bool Renderer::RecompileImGuiPipeline()
void Renderer::ShutdownImGui()
{
std::unique_lock<std::mutex> imgui_lock(m_imgui_mutex);
ImGui::EndFrame();
ImGui::DestroyContext();
m_imgui_pipeline.reset();
@ -1139,7 +1143,11 @@ void Renderer::ShutdownImGui()
void Renderer::BeginImGuiFrame()
{
std::unique_lock<std::mutex> imgui_lock(m_imgui_mutex);
BeginImGuiFrameUnlocked();
}
void Renderer::BeginImGuiFrameUnlocked()
{
const u64 current_time_us = Common::Timer::NowUs();
const u64 time_diff_us = current_time_us - m_imgui_last_frame_time;
const float time_diff_secs = static_cast<float>(time_diff_us / 1000000.0);

3
Source/Core/VideoCommon/RenderBase.h
View File

@ -303,6 +303,9 @@ protected:
// This function itself acquires the ImGui lock, so it should not be held.
void BeginImGuiFrame();
// Same as above but without locking the ImGui lock.
void BeginImGuiFrameUnlocked();
// Destroys all ImGui GPU resources, must do before shutdown.
void ShutdownImGui();