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Fix Vulkan synchronization between CPU and GPU to prevent running over frames in flight

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This commit is contained in:
Wojtek Figat
2026-01-28 20:43:01 +01:00
parent 45306ca20e
commit 43b337e163
7 changed files with 57 additions and 12 deletions
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15
Source/Engine/GraphicsDevice/Vulkan/CmdBufferVulkan.cpp
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@@ -20,6 +20,15 @@ void CmdBufferVulkan::AddWaitSemaphore(VkPipelineStageFlags waitFlags, Semaphore
_waitSemaphores.Add(waitSemaphore);
}
void CmdBufferVulkan::Wait(float timeInSecondsToWait)
{
if (!IsSubmitted())
return;
const bool failed = _device->FenceManager.WaitForFence(_fence, (uint64)(timeInSecondsToWait * 1e9));
ASSERT(!failed);
RefreshFenceStatus();
}
void CmdBufferVulkan::Begin()
{
PROFILE_CPU();
@@ -186,9 +195,8 @@ CmdBufferVulkan::~CmdBufferVulkan()
auto& fenceManager = _device->FenceManager;
if (_state == State::Submitted)
{
// Wait 60ms
const uint64 waitForCmdBufferInNanoSeconds = 60 * 1000 * 1000LL;
fenceManager.WaitAndReleaseFence(_fence, waitForCmdBufferInNanoSeconds);
// Wait
fenceManager.WaitAndReleaseFence(_fence);
}
else
{
@@ -300,7 +308,6 @@ void CmdBufferManagerVulkan::SubmitActiveCmdBuffer(SemaphoreVulkan* signalSemaph
void CmdBufferManagerVulkan::WaitForCmdBuffer(CmdBufferVulkan* cmdBuffer, float timeInSecondsToWait)
{
PROFILE_CPU();
ASSERT(cmdBuffer->IsSubmitted());
const bool failed = _device->FenceManager.WaitForFence(cmdBuffer->GetFence(), (uint64)(timeInSecondsToWait * 1e9));
ASSERT(!failed);