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fix(rendering): defer character renderer bone descriptor destruction

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CharacterRenderer::destroyInstanceBones had the same immediate-free bug
as M2Renderer — freeing bone descriptor sets and buffers while in-flight
command buffers still reference them. Applies the same deferred pattern
via deferAfterFrameFence for the removeInstance streaming path.
This commit is contained in:
Kelsi 2026-04-03 18:53:06 -07:00
parent 345b41b810
commit e19bf76d88
2 changed files with 31 additions and 13 deletions
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42
src/rendering/character_renderer.cpp
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@ -479,20 +479,37 @@ void CharacterRenderer::destroyModelGPU(M2ModelGPU& gpuModel) {
if (gpuModel.indexBuffer) { vmaDestroyBuffer(alloc, gpuModel.indexBuffer, gpuModel.indexAlloc); gpuModel.indexBuffer = VK_NULL_HANDLE; }
}
void CharacterRenderer::destroyInstanceBones(CharacterInstance& inst) {
void CharacterRenderer::destroyInstanceBones(CharacterInstance& inst, bool defer) {
if (!vkCtx_) return;
VmaAllocator alloc = vkCtx_->getAllocator();
VkDevice device = vkCtx_->getDevice();
for (int i = 0; i < 2; i++) {
if (inst.boneSet[i] != VK_NULL_HANDLE && boneDescPool_ != VK_NULL_HANDLE) {
vkFreeDescriptorSets(device, boneDescPool_, 1, &inst.boneSet[i]);
inst.boneSet[i] = VK_NULL_HANDLE;
}
if (inst.boneBuffer[i]) {
vmaDestroyBuffer(alloc, inst.boneBuffer[i], inst.boneAlloc[i]);
inst.boneBuffer[i] = VK_NULL_HANDLE;
inst.boneAlloc[i] = VK_NULL_HANDLE;
inst.boneMapped[i] = nullptr;
VkDescriptorSet boneSet = inst.boneSet[i];
::VkBuffer boneBuf = inst.boneBuffer[i];
VmaAllocation boneAlloc = inst.boneAlloc[i];
inst.boneSet[i] = VK_NULL_HANDLE;
inst.boneBuffer[i] = VK_NULL_HANDLE;
inst.boneAlloc[i] = VK_NULL_HANDLE;
inst.boneMapped[i] = nullptr;
if (!defer) {
if (boneSet != VK_NULL_HANDLE && boneDescPool_ != VK_NULL_HANDLE) {
vkFreeDescriptorSets(device, boneDescPool_, 1, &boneSet);
}
if (boneBuf) {
vmaDestroyBuffer(alloc, boneBuf, boneAlloc);
}
} else if (boneSet != VK_NULL_HANDLE || boneBuf) {
VkDescriptorPool pool = boneDescPool_;
vkCtx_->deferAfterFrameFence([device, alloc, pool, boneSet, boneBuf, boneAlloc]() {
if (boneSet != VK_NULL_HANDLE && pool != VK_NULL_HANDLE) {
VkDescriptorSet s = boneSet;
vkFreeDescriptorSets(device, pool, 1, &s);
}
if (boneBuf) {
vmaDestroyBuffer(alloc, boneBuf, boneAlloc);
}
});
}
}
}
@ -2953,8 +2970,9 @@ void CharacterRenderer::removeInstance(uint32_t instanceId) {
removeInstance(wa.weaponInstanceId);
}
// Destroy bone buffers for this instance
destroyInstanceBones(it->second);
// Defer bone buffer destruction — in-flight command buffers may still
// reference these descriptor sets.
destroyInstanceBones(it->second, /*defer=*/true);
instances.erase(it);
}