Worked on the AvaloniaUI/angle repository to deliver a targeted feature addressing framebuffer object (FBO) handling, specifically improving sample coverage consistency during FBO transitions. Focused on resolving rendering inconsistencies caused by Adreno driver quirks, the solution introduced a mechanism to reset sample coverage values whenever FBO configurations change. This approach simplified state management and enhanced cross-device stability, reducing the likelihood of post-release troubleshooting related to FBO transitions. The work was implemented using C++ and leveraged expertise in OpenGL, graphics programming, and driver development, ultimately contributing to a more predictable rendering experience for both developers and end users across platforms.