LunarG/gfxreconstruct
Oct 2024 – Nov 2025
4 Months active
Languages Used
C++
Technical Skills
C++ developmentdevice managementgraphics programminghardware enumerationsystem programmingAPI design
Rodrigo Urra
PROFILE
Rodrigo Urra
Rodrigo Urra contributed to the LunarG/gfxreconstruct repository by engineering features and fixes that improved graphics capture and replay workflows. He enhanced device management and hardware enumeration, introducing input validation and adapter mapping for AGS device creation, and expanded GPU diagnostics by exposing SubSysId. Rodrigo implemented Direct3D 12 object name preservation and granular barrier management, enabling more reliable debugging and trace fidelity. His work on Vulkan capture/replay included multithreading improvements and memory management fixes, reducing crashes and increasing throughput. Using C++, Vulkan, and Direct3D 12, Rodrigo demonstrated depth in system programming and graphics, delivering maintainable solutions to complex engineering challenges.
Overall Statistics
Feature vs Bugs
67%Features
Repository Contributions
6Total
Bugs
2
Commits
6
Features
4
Lines of code
205
Activity Months4
Your Network
1320 people
Work History
November 2025
1 Commits • 1 Features
Nov 1, 2025Month 2025-11: Delivered Direct3D 12 Barrier Management Enhancements in LunarG/gfxreconstruct, introducing separate handling for texture and buffer barriers to improve barrier management accuracy, stability, and replay fidelity. Implemented foundational restructuring of the barrier management codebase to support more granular barrier semantics, enabling more reliable debugging and analysis of D3D12 workloads. Committed work: 28ad0882ca05c28c19acf0a8dcb0ff7687c8766b (Enhanced barrier support, #2496). This work reduces barrier-related replay issues, contributing to higher fidelity capture/replay and faster issue diagnosis in Windows-based graphics applications.
1 Commits • 1 Features
Nov 1, 2025Month 2025-11: Delivered Direct3D 12 Barrier Management Enhancements in LunarG/gfxreconstruct, introducing separate handling for texture and buffer barriers to improve barrier management accuracy, stability, and replay fidelity. Implemented foundational restructuring of the barrier management codebase to support more granular barrier semantics, enabling more reliable debugging and analysis of D3D12 workloads. Committed work: 28ad0882ca05c28c19acf0a8dcb0ff7687c8766b (Enhanced barrier support, #2496). This work reduces barrier-related replay issues, contributing to higher fidelity capture/replay and faster issue diagnosis in Windows-based graphics applications.
November 2025
July 2025
2 Commits • 1 Features
Jul 1, 20252025-07 monthly summary for LunarG/gfxreconstruct focusing on stability and performance improvements in Vulkan capture/replay. Delivered a critical resource destruction order bug fix and introduced multithreading enhancements to capture/replay with atomic safety and proper shader group handle handling, reducing crashes and improving throughput.
July 2025
2 Commits • 1 Features
Jul 1, 20252025-07 monthly summary for LunarG/gfxreconstruct focusing on stability and performance improvements in Vulkan capture/replay. Delivered a critical resource destruction order bug fix and introduced multithreading enhancements to capture/replay with atomic safety and proper shader group handle handling, reducing crashes and improving throughput.
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for LunarG/gfxreconstruct focused on feature delivery and traceability enhancements. Implemented Direct3D 12 Object Name Preservation for Encoding, enabling preservation and emission of D3D12 object names during encoding by tracking and writing object names. This improves debugging and analysis with meaningful GPU identifiers and aligns with ongoing efforts to enhance trace fidelity and developer experience. Completion includes integration with the existing encoding/trim flow and preparation for broader D3D12 debugging workflows. Commit reference: 7cea3415015b05e42810c0273a80dca85d08142f (Preserve D3D12 object names while trimming, #2026).
1 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for LunarG/gfxreconstruct focused on feature delivery and traceability enhancements. Implemented Direct3D 12 Object Name Preservation for Encoding, enabling preservation and emission of D3D12 object names during encoding by tracking and writing object names. This improves debugging and analysis with meaningful GPU identifiers and aligns with ongoing efforts to enhance trace fidelity and developer experience. Completion includes integration with the existing encoding/trim flow and preparation for broader D3D12 debugging workflows. Commit reference: 7cea3415015b05e42810c0273a80dca85d08142f (Preserve D3D12 object names while trimming, #2026).
February 2025
October 2024
2 Commits • 1 Features
Oct 1, 2024October 2024 — LunarG/gfxreconstruct: Delivered reliability and observability improvements to the graphics replay workflow. Key work included fixing AGS device creation: it now validates inputs and maps the correct adapter, eliminating incorrect adapter usage in the replay consumer (commit 3f56c47758482a0d1e057022c003115b1dfbabf1). Also enhanced the GPU enumeration tool to emit SubSysId for each GPU, improving hardware diagnostics and inventory accuracy (commit 23dbad8579a8cb68ad6ba781af93e136b4ddf6ca). These changes reduce failure modes, improve automation confidence, and provide clearer data for support and analytics.
October 2024
2 Commits • 1 Features
Oct 1, 2024October 2024 — LunarG/gfxreconstruct: Delivered reliability and observability improvements to the graphics replay workflow. Key work included fixing AGS device creation: it now validates inputs and maps the correct adapter, eliminating incorrect adapter usage in the replay consumer (commit 3f56c47758482a0d1e057022c003115b1dfbabf1). Also enhanced the GPU enumeration tool to emit SubSysId for each GPU, improving hardware diagnostics and inventory accuracy (commit 23dbad8579a8cb68ad6ba781af93e136b4ddf6ca). These changes reduce failure modes, improve automation confidence, and provide clearer data for support and analytics.
Activity
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Quality Metrics
Correctness90.0%
Maintainability83.4%
Architecture86.6%
Performance80.0%
AI Usage70.0%
Skills & Technologies
Programming Languages
C++
Technical Skills
API designC++C++ DevelopmentC++ developmentConcurrency ControlDirect3D 12Memory ManagementVulkandebugging toolsdevice managementgraphics programminghardware enumerationmultithreadingsystem programming
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