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fix(vulkan): defer resource frees until frame fence

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This commit is contained in:
Kelsi 2026-03-14 03:25:52 -07:00
parent edd934a3e3
commit 6cfb439fd6
4 changed files with 118 additions and 49 deletions
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21
src/rendering/vk_context.cpp
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@ -55,6 +55,11 @@ void VkContext::shutdown() {
vkDeviceWaitIdle(device);
}
// With the device idle, it is safe to run any deferred per-frame cleanup.
for (uint32_t fi = 0; fi < MAX_FRAMES_IN_FLIGHT; fi++) {
runDeferredCleanup(fi);
}
LOG_WARNING("VkContext::shutdown - destroyImGuiResources...");
destroyImGuiResources();
@ -103,6 +108,19 @@ void VkContext::shutdown() {
LOG_WARNING("Vulkan context shutdown complete");
}
void VkContext::deferAfterFrameFence(std::function<void()>&& fn) {
deferredCleanup_[currentFrame].push_back(std::move(fn));
}
void VkContext::runDeferredCleanup(uint32_t frameIndex) {
auto& q = deferredCleanup_[frameIndex];
if (q.empty()) return;
for (auto& fn : q) {
if (fn) fn();
}
q.clear();
}
bool VkContext::createInstance(SDL_Window* window) {
// Get required SDL extensions
unsigned int sdlExtCount = 0;
@ -1349,6 +1367,9 @@ VkCommandBuffer VkContext::beginFrame(uint32_t& imageIndex) {
return VK_NULL_HANDLE;
}
// Any work queued for this frame slot is now guaranteed to be unused by the GPU.
runDeferredCleanup(currentFrame);
// Acquire next swapchain image
VkResult result = vkAcquireNextImageKHR(device, swapchain, UINT64_MAX,
frame.imageAvailableSemaphore, VK_NULL_HANDLE, &imageIndex);