tests/sksl/runtime/SampleWithUniformMatrix.stage - skia - Git at Google

 uniform fragmentProcessor child;
 uniform float3x3 matrix;
 half4 main()
 {
 	return half4(sample(child, matrix));
 }
	uniform fragmentProcessor child;
	uniform float3x3 matrix;
	half4 main()
	{
	return half4(sample(child, matrix));
	}