OpCapability Shader %1 = OpExtInstImport "GLSL.std.450" OpMemoryModel Logical GLSL450 OpEntryPoint Fragment %main "main" %sk_FragColor %sk_Clockwise %a OpExecutionMode %main OriginUpperLeft OpName %sk_FragColor "sk_FragColor" OpName %sk_Clockwise "sk_Clockwise" OpName %a "a" OpName %main "main" OpDecorate %sk_FragColor RelaxedPrecision OpDecorate %sk_FragColor Location 0 OpDecorate %sk_FragColor Index 0 OpDecorate %sk_Clockwise RelaxedPrecision OpDecorate %sk_Clockwise BuiltIn FrontFacing OpDecorate %a RelaxedPrecision OpDecorate %16 RelaxedPrecision %float = OpTypeFloat 32 %v4float = OpTypeVector %float 4 %_ptr_Output_v4float = OpTypePointer Output %v4float %sk_FragColor = OpVariable %_ptr_Output_v4float Output %bool = OpTypeBool %_ptr_Input_bool = OpTypePointer Input %bool %sk_Clockwise = OpVariable %_ptr_Input_bool Input %_ptr_Input_float = OpTypePointer Input %float %a = OpVariable %_ptr_Input_float Input %void = OpTypeVoid %13 = OpTypeFunction %void %_ptr_Output_float = OpTypePointer Output %float %int = OpTypeInt 32 1 %int_0 = OpConstant %int 0 %main = OpFunction %void None %13 %14 = OpLabel %16 = OpLoad %float %a %15 = OpExtInst %float %1 Cos %16 %17 = OpAccessChain %_ptr_Output_float %sk_FragColor %int_0 OpStore %17 %15 OpReturn OpFunctionEnd