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vk_resource_manager: Implement VKFenceWatch move constructor

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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.
This commit is contained in:
ReinUsesLisp 2019-12-19 02:13:32 -03:00
parent 54747d60bc
commit 6ddffa010a
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GPG key ID: 2DFC508897B39CFE
2 changed files with 32 additions and 0 deletions
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24
src/video_core/renderer_vulkan/vk_resource_manager.cpp
View file

@ -142,8 +142,32 @@ void VKFence::Unprotect(VKResource* resource) {
protected_resources.erase(it);
}
void VKFence::RedirectProtection(VKResource* old_resource, VKResource* new_resource) noexcept {
std::replace(std::begin(protected_resources), std::end(protected_resources), old_resource,
new_resource);
}
VKFenceWatch::VKFenceWatch() = default;
VKFenceWatch::VKFenceWatch(VKFence& initial_fence) {
Watch(initial_fence);
}
VKFenceWatch::VKFenceWatch(VKFenceWatch&& rhs) noexcept {
fence = std::exchange(rhs.fence, nullptr);
if (fence) {
fence->RedirectProtection(&rhs, this);
}
}
VKFenceWatch& VKFenceWatch::operator=(VKFenceWatch&& rhs) noexcept {
fence = std::exchange(rhs.fence, nullptr);
if (fence) {
fence->RedirectProtection(&rhs, this);
}
return *this;
}
VKFenceWatch::~VKFenceWatch() {
if (fence) {
fence->Unprotect(this);

8
src/video_core/renderer_vulkan/vk_resource_manager.h
View file

@ -65,6 +65,9 @@ public:
/// Removes protection for a resource.
void Unprotect(VKResource* resource);
/// Redirects one protected resource to a new address.
void RedirectProtection(VKResource* old_resource, VKResource* new_resource) noexcept;
/// Retreives the fence.
operator vk::Fence() const {
return *handle;
@ -97,8 +100,13 @@ private:
class VKFenceWatch final : public VKResource {
public:
explicit VKFenceWatch();
VKFenceWatch(VKFence& initial_fence);
VKFenceWatch(VKFenceWatch&&) noexcept;
VKFenceWatch(const VKFenceWatch&) = delete;
~VKFenceWatch() override;
VKFenceWatch& operator=(VKFenceWatch&&) noexcept;
/// Waits for the fence to be released.
void Wait();