[Impeller] Validation errors when running playgrounds with Vulkan validation enabled. #133506
Description
For instance:
impeller_unittests --enable_vulkan_validation --playground_timeout_ms=4000 --enable_playground --gtest_filter="*ColorWheel/Vulkan"Gives the following validation error:
[FATAL:flutter/impeller/base/validation.cc(47)] Break on 'ImpellerValidationBreak' to inspect point of failure:
--- Vulkan Debug Report ----------------------------------------
| Severity: Error
| Type: { Validation }
| ID Name: UNASSIGNED-CoreValidation-DrawState-InvalidCommandBuffer-VkBuffer
| ID Number: 653100552
| Queue Breadcrumbs: [NONE]
| CMD Buffer Breadcrumbs: ImGui Render Pass
| Related Objects: Buffer [15136470804243417930] [EntityPass Render Pass: Depth=0 Count=0 Transients], DescriptorSet [2107850651865189193] [UNNAMED], CommandBuffer [140459809132712] [ImGui Command Buffer]
| Trigger: Validation Error: [ UNASSIGNED-CoreValidation-DrawState-InvalidCommandBuffer-VkBuffer ] Object 0: handle = 0xd20f8c0000000b4a, name = EntityPass Render Pass: Depth=0 Count=0 Transients, type = VK_OBJECT_TYPE_BUFFER; Object 1: handle = 0x1d40970000000b49, type = VK_OBJECT_TYPE_DESCRIPTOR_SET; Object 2: handle = 0x7fbf590750a8, name = ImGui Command Buffer, type = VK_OBJECT_TYPE_COMMAND_BUFFER; | MessageID = 0x26ed8608 | You are adding vkCmdPipelineBarrier to VkCommandBuffer 0x7fbf590750a8[ImGui Command Buffer] that is invalid because bound VkBuffer 0xd20f8c0000000b4a[EntityPass Render Pass: Depth=0 Count=0 Transients] was destroyed.
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