
Worked on the flutter/flutter repository to address a critical resource management issue in the Vulkan embedder delegate path. Using C++ and Vulkan, implemented RAII ownership for VkImageView by replacing raw handles with vk::UniqueImageView, ensuring automatic and safe destruction of image views only after GPU fence completion. This change eliminated a per-frame memory leak in the WrappedTextureSourceVK path, improving resource lifecycle management without affecting Android or iOS code paths. The update supports Impeller Vulkan on Linux/Wayland with a custom embedder and aligns with Flutter’s contributor guidelines. Testing was deferred pending the availability of a suitable Vulkan embedder harness.
February 2026 monthly summary for flutter/flutter Vulkan embedder work. Delivered a critical resource-management improvement by adopting RAII ownership for VkImageView in the WrappedTextureSourceVK path to eliminate a per-frame leak in the Vulkan embedder delegate. The change switches VkImageView from a raw handle to vk::UniqueImageView, ensuring automatic destruction when WrappedTextureSourceVK is released. Resource lifetime is now tied to GPU fence completion via TrackedObjectsVK, preventing destruction while the GPU may still be using the image view. Scope is limited to the embedder delegate path in GPUSurfaceVulkanImpeller; Android remains unaffected. This work supports Impeller Vulkan on Linux/Wayland with a custom embedder and aligns with Flutter’s contributor guidelines. Testing for this path requires a Vulkan device and embedder harness, which was not available in the current environment; a follow-up PR/test harness work is anticipated.
February 2026 monthly summary for flutter/flutter Vulkan embedder work. Delivered a critical resource-management improvement by adopting RAII ownership for VkImageView in the WrappedTextureSourceVK path to eliminate a per-frame leak in the Vulkan embedder delegate. The change switches VkImageView from a raw handle to vk::UniqueImageView, ensuring automatic destruction when WrappedTextureSourceVK is released. Resource lifetime is now tied to GPU fence completion via TrackedObjectsVK, preventing destruction while the GPU may still be using the image view. Scope is limited to the embedder delegate path in GPUSurfaceVulkanImpeller; Android remains unaffected. This work supports Impeller Vulkan on Linux/Wayland with a custom embedder and aligns with Flutter’s contributor guidelines. Testing for this path requires a Vulkan device and embedder harness, which was not available in the current environment; a follow-up PR/test harness work is anticipated.

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