2cc0f94d68
When a descriptor pool cannot allocate a descriptor set in stead of resulting `VK_ERROR_OUT_OF_POOL_MEMORY` it is adviced that drivers will return `VK_ERROR_FRAGMENTED_POOL`. Before this PR the Vulkan Backend crashed as it only checked the out of pool memory. According to the Vulkan specification it is adviced to driver developers to report fragmented pool. The crash happened as no new pool was allocated and no descriptor set could be allocated anymore. This change improved the reliability of the vulkan backend to be able draw an animation in the 3d viewport for half an hour without crashing. Before this change Blender would crash in a few seconds. Pull Request: https://projects.blender.org/blender/blender/pulls/108416
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