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Added KRSurface::m_inFlightFences.

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Now properly handling multiple frames in flight and waiting on fences when the CPU catches up.
This commit is contained in:
Kearwood Gilbert
2022-09-15 00:26:23 -07:00
parent 478669ed81
commit 4d0158c0ec
1 changed files with 14 additions and 0 deletions
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14
kraken/KRSurface.cpp
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@@ -46,6 +46,7 @@ KRSurface::KRSurface(KRContext& context)
, m_surface(VK_NULL_HANDLE)
, m_imageAvailableSemaphores{VK_NULL_HANDLE}
, m_renderFinishedSemaphores{VK_NULL_HANDLE}
, m_inFlightFences{VK_NULL_HANDLE}
, m_frameIndex(0)
{
m_forwardOpaquePass = std::make_unique<KRRenderPass>(context);
@@ -78,6 +79,11 @@ KrResult KRSurface::initialize()
VkSemaphoreCreateInfo semaphoreInfo{};
semaphoreInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
VkFenceCreateInfo fenceInfo{};
fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
fenceInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT;
for(int i = 0; i < KRENGINE_MAX_FRAMES_IN_FLIGHT; i++) {
if (vkCreateSemaphore(device->m_logicalDevice, &semaphoreInfo, nullptr, &m_imageAvailableSemaphores[i]) != VK_SUCCESS) {
return KR_ERROR_VULKAN;
@@ -85,6 +91,9 @@ KrResult KRSurface::initialize()
if (vkCreateSemaphore(device->m_logicalDevice, &semaphoreInfo, nullptr, &m_renderFinishedSemaphores[i]) != VK_SUCCESS) {
return KR_ERROR_VULKAN;
}
if (vkCreateFence(device->m_logicalDevice, &fenceInfo, nullptr, &m_inFlightFences[i]) != VK_SUCCESS) {
return KR_ERROR_VULKAN;
}
}
return createSwapChain();
@@ -118,6 +127,11 @@ void KRSurface::destroy()
vkDestroySemaphore(device->m_logicalDevice, m_imageAvailableSemaphores[i], nullptr);
m_imageAvailableSemaphores[i] = VK_NULL_HANDLE;
}
if (device && m_inFlightFences[i] != VK_NULL_HANDLE) {
vkDestroyFence(device->m_logicalDevice, m_inFlightFences[i], nullptr);
m_inFlightFences[i] = VK_NULL_HANDLE;
}
}
if (m_surface != VK_NULL_HANDLE) {