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vk_resource_manager: Implement VKFenceWatch move constructor
This allows us to put VKFenceWatch inside a std::vector without storing it in heap. On move we have to signal the fences where the new protected resource is, adding some overhead.
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@ -142,8 +142,32 @@ void VKFence::Unprotect(VKResource* resource) {
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protected_resources.erase(it);
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}
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void VKFence::RedirectProtection(VKResource* old_resource, VKResource* new_resource) noexcept {
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std::replace(std::begin(protected_resources), std::end(protected_resources), old_resource,
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new_resource);
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}
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VKFenceWatch::VKFenceWatch() = default;
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VKFenceWatch::VKFenceWatch(VKFence& initial_fence) {
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Watch(initial_fence);
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}
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VKFenceWatch::VKFenceWatch(VKFenceWatch&& rhs) noexcept {
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fence = std::exchange(rhs.fence, nullptr);
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if (fence) {
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fence->RedirectProtection(&rhs, this);
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}
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}
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VKFenceWatch& VKFenceWatch::operator=(VKFenceWatch&& rhs) noexcept {
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fence = std::exchange(rhs.fence, nullptr);
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if (fence) {
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fence->RedirectProtection(&rhs, this);
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}
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return *this;
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}
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VKFenceWatch::~VKFenceWatch() {
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if (fence) {
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fence->Unprotect(this);
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@ -65,6 +65,9 @@ public:
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/// Removes protection for a resource.
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void Unprotect(VKResource* resource);
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/// Redirects one protected resource to a new address.
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void RedirectProtection(VKResource* old_resource, VKResource* new_resource) noexcept;
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/// Retreives the fence.
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operator vk::Fence() const {
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return *handle;
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@ -97,8 +100,13 @@ private:
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class VKFenceWatch final : public VKResource {
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public:
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explicit VKFenceWatch();
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VKFenceWatch(VKFence& initial_fence);
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VKFenceWatch(VKFenceWatch&&) noexcept;
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VKFenceWatch(const VKFenceWatch&) = delete;
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~VKFenceWatch() override;
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VKFenceWatch& operator=(VKFenceWatch&&) noexcept;
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/// Waits for the fence to be released.
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void Wait();
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