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Add integration tests for RHI module: - Add tests/RHI/integration/ directory with CMakeLists.txt - Add RHIIntegrationFixture for shared test utilities - Add minimal integration test (window creation, basic rendering) - Add compare_ppm.py for image comparison - Add run_integration_test.py test runner script These integration tests verify the complete rendering pipeline by comparing rendered output against ground truth PPM files.
RHI Integration Tests
This folder will contain integration tests for the RHI abstraction layer.
Integration tests verify the interaction between multiple RHI components working together.
Planned Tests
- Full render pipeline test (device -> swap chain -> command list -> present)
- Multi-threaded command recording
- Resource state transitions across multiple objects
- Frame synchronization with fences
Running Tests
# Build once, run against different backends
cmake --build build --config Debug
# Test D3D12 backend
RHI_BACKEND=D3D12 ./build/tests/RHI/unit/rhi_unit_tests.exe
# Test OpenGL backend
RHI_BACKEND=OpenGL ./build/tests/RHI/unit/rhi_unit_tests.exe