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[Impeller] Use impellerc for engine FragmentProgram unit tests#33824
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zanderso merged 1 commit intoflutter:mainfrom Jun 5, 2022
Merged
[Impeller] Use impellerc for engine FragmentProgram unit tests#33824zanderso merged 1 commit intoflutter:mainfrom
zanderso merged 1 commit intoflutter:mainfrom
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chinmaygarde
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Some nits but otherwise LGTM.
| case TargetPlatform::kFlutterSPIRV: | ||
| spirv_options.SetOptimizationLevel( | ||
| shaderc_optimization_level::shaderc_optimization_level_size); | ||
| shaderc_optimization_level::shaderc_optimization_level_zero); |
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The transpiler is missing some ops: flutter/flutter#105396. Added a comment.
Also it's the level being used by the current test harness:
engine/lib/spirv/test/glsl_to_spirv.cc
Line 39 in d0ec220
| ] | ||
| } | ||
|
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| executable("glsl_to_spirv") { |
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Why can't this entire GN file be removed?
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The program above is still used. It looks like it is used for assembling invalid bytecode to make sure that the transpiler throws errors correctly.
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Since we're shipping
impellercto the framework and using it to compile shaders there, that's what we should be using to run the unit tests in the engine repo.