Add OpenGL backend test design document

- Complete test design for 12 OpenGL components
- Test fixture design with GLFW context management
- GL error checking utilities and macros
- Detailed test case tables for each component
- CMake build configuration
- CI integration (GitHub Actions)
- Test resource file structure
- Cross-platform considerations
- Implementation priorities (5 phases)
This commit is contained in:
2026-03-17 04:15:44 +08:00
parent 19b33a3061
commit f5031c89d4

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