[Impeller] Use impellerc for engine FragmentProgram unit tests #33824
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chinmaygarde
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Jun 5, 2022
| @@ -139,7 +139,7 @@ Compiler::Compiler(const fml::Mapping& source_mapping, | |||
| break; | |||
| 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
| @@ -15,12 +15,4 @@ if (enable_unittests) { | |||
| "//third_party/swiftshader_flutter:spvtools_val", | |||
| ] | |||
| } | |||
|
|
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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.