[Impeller] Disable color attachment removal for clips on VK (#43905)

bdero · web-flow · commit bcda9a50dc6a · 2023-07-21T20:17:05.000Z
This is causing a validation failure on the Vulkan backend at ToT, as discovered by @jonahwilliams. Need to figure out why this isn't getting hit in the Vulkan goldens.
diff --git a/impeller/renderer/backend/vulkan/capabilities_vk.cc b/impeller/renderer/backend/vulkan/capabilities_vk.cc
@@ -443,7 +443,7 @@ bool CapabilitiesVK::SupportsMemorylessTextures() const {
 
 // |Capabilities|
 bool CapabilitiesVK::SupportsPipelinesWithNoColorAttachments() const {
-  return true;
+  return false;
 }
 
 // |Capabilities|

Original file line number	Diff line number	Diff line change
`@@ -443,7 +443,7 @@ bool CapabilitiesVK::SupportsMemorylessTextures() const {`
`443`	`443`
`444`	`444`	`// \|Capabilities\|`
`445`	`445`	`bool CapabilitiesVK::SupportsPipelinesWithNoColorAttachments() const {`
`446`		`- return true;`
	`446`	`+ return false;`
`447`	`447`	`}`
`448`	`448`
`449`	`449`	`// \|Capabilities\|`