Refactor: Move Vulkan descriptor pools

Moves the descriptor pools from resource pools to thread data.

The descriptor pools uses a recycling approach and don't need
to be guarded anymore inside a resource pool. Now only the
descriptor set tracker is inside the resource pool.

Pull Request: https://projects.blender.org/blender/blender/pulls/145393

source/blender/gpu/vulkan/vk_context.cc

@@ -211,7 +211,7 @@ void VKContext::memory_statistics_get(int *r_total_mem_kb, int *r_free_mem_kb)
 
 VKDescriptorPools &VKContext::descriptor_pools_get()
 {
-  return thread_data_.value().get().resource_pool_get().descriptor_pools;
+  return thread_data_.value().get().descriptor_pools;
 }
 
 VKDescriptorSetTracker &VKContext::descriptor_set_get()

source/blender/gpu/vulkan/vk_device.cc

@@ -509,9 +509,7 @@ std::string VKDevice::driver_version() const
 
 VKThreadData::VKThreadData(VKDevice &device, pthread_t thread_id) : thread_id(thread_id)
 {
-  for (VKResourcePool &resource_pool : resource_pools) {
-    resource_pool.init(device);
-  }
+  descriptor_pools.init(device);
 }
 
 /** \} */

source/blender/gpu/vulkan/vk_device.hh

@@ -125,6 +125,7 @@ class VKThreadData : public NonCopyable, NonMovable {
   uint32_t resource_pool_index = UINT32_MAX;
   std::array<VKResourcePool, resource_pools_count> resource_pools;
 
+  VKDescriptorPools descriptor_pools;
   /**
    * The current rendering depth.
    *

source/blender/gpu/vulkan/vk_resource_pool.cc

@@ -12,11 +12,6 @@
 
 namespace blender::gpu {
 
-void VKResourcePool::init(VKDevice &device)
-{
-  descriptor_pools.init(device);
-}
-
 void VKDiscardPool::deinit(VKDevice &device)
 {
   destroy_discarded_resources(device, true);

source/blender/gpu/vulkan/vk_resource_pool.hh

@@ -146,9 +146,6 @@ class VKDiscardPool {
 class VKResourcePool {
 
  public:
-  VKDescriptorPools descriptor_pools;
   VKDescriptorSetTracker descriptor_set;
-
-  void init(VKDevice &device);
 };
 }  // namespace blender::gpu