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Expanded KRSurface::m_imageAvailableSemaphores and m_renderFinishedSemaphores to have one semaphore per frame in flight. (Missed files in prior commit)

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This commit is contained in:
Kearwood Gilbert
2022-09-15 19:20:10 -07:00
parent cc4efe34e1
commit 327167c9b1
3 changed files with 18 additions and 7 deletions
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19
kraken/KRPresentationThread.cpp
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@@ -37,6 +37,7 @@ KRPresentationThread::KRPresentationThread(KRContext& context)
: KRContextObject(context)
, m_requestedState(PresentThreadRequest::stop)
, m_activeState(PresentThreadState::stop)
, m_currentFrame(0)
{
}
@@ -123,8 +124,10 @@ void KRPresentationThread::renderFrame()
resized = true;
}
vkWaitForFences(device.m_logicalDevice, 1, &surface.m_inFlightFences[m_currentFrame], VK_TRUE, UINT64_MAX);
uint32_t imageIndex = 0;
VkResult result = vkAcquireNextImageKHR(device.m_logicalDevice, surface.m_swapChain->m_swapChain, UINT64_MAX, surface.m_imageAvailableSemaphore, VK_NULL_HANDLE, &imageIndex);
VkResult result = vkAcquireNextImageKHR(device.m_logicalDevice, surface.m_swapChain->m_swapChain, UINT64_MAX, surface.m_imageAvailableSemaphores[m_currentFrame], VK_NULL_HANDLE, &imageIndex);
if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR || resized) {
// TODO - Must explicitly detect resize and trigger swapchain re-creation as well
@@ -138,8 +141,12 @@ void KRPresentationThread::renderFrame()
break;
}
// Only reset the fence once we know we'll submit work,
// avoiding a deadlock on swapchain recreation.
vkResetFences(device.m_logicalDevice, 1, &surface.m_inFlightFences[m_currentFrame]);
// TODO - this will break with more than one surface... Expect to refactor this out
VkCommandBuffer commandBuffer = device.m_graphicsCommandBuffers[imageIndex];
VkCommandBuffer commandBuffer = device.m_graphicsCommandBuffers[m_currentFrame];
VkCommandBufferBeginInfo beginInfo{};
beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
@@ -165,7 +172,7 @@ void KRPresentationThread::renderFrame()
VkSubmitInfo submitInfo{};
submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
VkSemaphore waitSemaphores[] = { surface.m_imageAvailableSemaphore };
VkSemaphore waitSemaphores[] = { surface.m_imageAvailableSemaphores[m_currentFrame]};
VkPipelineStageFlags waitStages[] = { VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT };
submitInfo.waitSemaphoreCount = 1;
submitInfo.pWaitSemaphores = waitSemaphores;
@@ -173,11 +180,11 @@ void KRPresentationThread::renderFrame()
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &commandBuffer;
VkSemaphore signalSemaphores[] = { surface.m_renderFinishedSemaphore };
VkSemaphore signalSemaphores[] = { surface.m_renderFinishedSemaphores[m_currentFrame]};
submitInfo.signalSemaphoreCount = 1;
submitInfo.pSignalSemaphores = signalSemaphores;
if (vkQueueSubmit(device.m_graphicsQueue, 1, &submitInfo, VK_NULL_HANDLE) != VK_SUCCESS) {
if (vkQueueSubmit(device.m_graphicsQueue, 1, &submitInfo, surface.m_inFlightFences[m_currentFrame]) != VK_SUCCESS) {
m_activeState = PresentThreadState::error;
// TODO - Add error handling...
}
@@ -193,5 +200,7 @@ void KRPresentationThread::renderFrame()
vkQueuePresentKHR(device.m_graphicsQueue, &presentInfo);
surface.endFrame();
m_currentFrame = (m_currentFrame + 1) % KRENGINE_MAX_FRAMES_IN_FLIGHT;
}
}

1
kraken/KRPresentationThread.h
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@@ -71,4 +71,5 @@ private:
std::thread m_thread;
void run();
void renderFrame();
uint32_t m_currentFrame;
};

5
kraken/KRSurface.h
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@@ -71,8 +71,9 @@ public:
KrDeviceHandle m_deviceHandle;
VkSurfaceKHR m_surface;
VkSemaphore m_imageAvailableSemaphore;
VkSemaphore m_renderFinishedSemaphore;
VkSemaphore m_imageAvailableSemaphores[KRENGINE_MAX_FRAMES_IN_FLIGHT];
VkSemaphore m_renderFinishedSemaphores[KRENGINE_MAX_FRAMES_IN_FLIGHT];
VkFence m_inFlightFences[KRENGINE_MAX_FRAMES_IN_FLIGHT];
std::unique_ptr<KRSwapchain> m_swapChain;
std::unique_ptr<KRRenderPass> m_forwardOpaquePass;