| ### Compilation failed: |
| |
| error: SPIR-V validation error: Variable must be decorated with a location |
| %a = OpVariable %_ptr_Input_float Input |
| |
| 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 Exp2 %16 |
| %17 = OpAccessChain %_ptr_Output_float %sk_FragColor %int_0 |
| OpStore %17 %15 |
| OpReturn |
| OpFunctionEnd |
| |
| 1 error |