; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 1
; Bound: 39
; Schema: 0
               OpCapability Shader
               OpCapability ImageQuery
         %29 = OpExtInstImport "GLSL.std.450"
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %compute_main "compute_main"
               OpExecutionMode %compute_main LocalSize 1 1 1
               OpMemberName %level_block 0 "inner"
               OpName %level_block "level_block"
               OpMemberName %coords_block 0 "inner"
               OpName %coords_block "coords_block"
               OpName %tex "tex"
               OpName %compute_main "compute_main"
               OpName %res "res"
               OpMemberDecorate %level_block 0 Offset 0
               OpDecorate %level_block Block
               OpDecorate %1 DescriptorSet 0
               OpDecorate %1 Binding 0
               OpDecorate %1 NonWritable
               OpMemberDecorate %coords_block 0 Offset 0
               OpDecorate %coords_block Block
               OpDecorate %5 DescriptorSet 0
               OpDecorate %5 Binding 1
               OpDecorate %5 NonWritable
               OpDecorate %tex DescriptorSet 0
               OpDecorate %tex Binding 2
       %uint = OpTypeInt 32 0
%level_block = OpTypeStruct %uint
%_ptr_Uniform_level_block = OpTypePointer Uniform %level_block
          %1 = OpVariable %_ptr_Uniform_level_block Uniform
     %v2uint = OpTypeVector %uint 2
%coords_block = OpTypeStruct %v2uint
%_ptr_Uniform_coords_block = OpTypePointer Uniform %coords_block
          %5 = OpVariable %_ptr_Uniform_coords_block Uniform
      %float = OpTypeFloat 32
         %11 = OpTypeImage %float 2D 0 0 0 1 Unknown
%_ptr_UniformConstant_11 = OpTypePointer UniformConstant %11
        %tex = OpVariable %_ptr_UniformConstant_11 UniformConstant
       %void = OpTypeVoid
         %15 = OpTypeFunction %void
%_ptr_Uniform_v2uint = OpTypePointer Uniform %v2uint
     %uint_0 = OpConstant %uint 0
%_ptr_Uniform_uint = OpTypePointer Uniform %uint
     %uint_1 = OpConstant %uint 1
         %32 = OpConstantComposite %v2uint %uint_1 %uint_1
    %v4float = OpTypeVector %float 4
%_ptr_Function_float = OpTypePointer Function %float
%compute_main = OpFunction %void None %15
         %16 = OpLabel
        %res = OpVariable %_ptr_Function_float Function
         %17 = OpLoad %11 %tex None
         %18 = OpAccessChain %_ptr_Uniform_v2uint %5 %uint_0
         %21 = OpLoad %v2uint %18 None
         %22 = OpAccessChain %_ptr_Uniform_uint %1 %uint_0
         %24 = OpLoad %uint %22 None
         %25 = OpImageQueryLevels %uint %17
         %26 = OpISub %uint %25 %uint_1
         %28 = OpExtInst %uint %29 UMin %24 %26
         %30 = OpImageQuerySizeLod %v2uint %17 %28
         %31 = OpISub %v2uint %30 %32
         %33 = OpExtInst %v2uint %29 UMin %21 %31
         %34 = OpImageFetch %v4float %17 %33 Lod %28
         %36 = OpCompositeExtract %float %34 0
               OpStore %res %36
               OpReturn
               OpFunctionEnd