rsov/compiler/spirit/test_data/greyscale.spt

; SPIR-V
; Version: 1.0
; Generator: Khronos Glslang Reference Front End; 1
; Bound: 75
; Schema: 0
               OpCapability Shader
          %1 = OpExtInstImport "GLSL.std.450"
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %main "main" %gl_GlobalInvocationID
               OpExecutionMode %main LocalSize 4 1 1
               OpSource GLSL 450
               OpSourceExtension "GL_ARB_shading_language_420pack"
               OpSourceExtension "GL_GOOGLE_cpp_style_line_directive"
               OpSourceExtension "GL_GOOGLE_include_directive"
               OpName %main "main"
               OpName %greyscale_vf4_ "greyscale(vf4;"
               OpName %p "p"
               OpName %globalBuffer "globalBuffer"
               OpMemberName %globalBuffer 0 "coeff"
               OpMemberName %globalBuffer 1 "width"
               OpMemberName %globalBuffer 2 "height"
               OpName %globalBlock "globalBlock"
               OpName %xy "xy"
               OpName %gl_GlobalInvocationID "gl_GlobalInvocationID"
               OpName %inputPixel "inputPixel"
               OpName %inputTexture "inputTexture"
               OpName %res "res"
               OpName %x "x"
               OpName %y "y"
               OpName %outputBufferS "outputBufferS"
               OpMemberName %outputBufferS 0 "buf"
               OpName %outputBuffer "outputBuffer"
               OpMemberDecorate %globalBuffer 0 Offset 0
               OpMemberDecorate %globalBuffer 1 Offset 16
               OpMemberDecorate %globalBuffer 2 Offset 20
               OpDecorate %globalBuffer BufferBlock
               OpDecorate %globalBlock DescriptorSet 0
               OpDecorate %globalBlock Binding 2
               OpDecorate %gl_GlobalInvocationID BuiltIn GlobalInvocationId
               OpDecorate %inputTexture DescriptorSet 0
               OpDecorate %inputTexture Binding 0
               OpDecorate %_runtimearr_v4float ArrayStride 16
               OpMemberDecorate %outputBufferS 0 Offset 0
               OpDecorate %outputBufferS BufferBlock
               OpDecorate %outputBuffer DescriptorSet 0
               OpDecorate %outputBuffer Binding 1
               OpDecorate %gl_WorkGroupSize BuiltIn WorkgroupSize
       %void = OpTypeVoid
          %3 = OpTypeFunction %void
      %float = OpTypeFloat 32
    %v4float = OpTypeVector %float 4
          %8 = OpTypeFunction %v4float %v4float
        %int = OpTypeInt 32 1
%globalBuffer = OpTypeStruct %v4float %int %int
%_ptr_Uniform_globalBuffer = OpTypePointer Uniform %globalBuffer
%globalBlock = OpVariable %_ptr_Uniform_globalBuffer Uniform
         %16 = OpConstant %int 0
%_ptr_Uniform_v4float = OpTypePointer Uniform %v4float
      %v2int = OpTypeVector %int 2
%_ptr_Function_v2int = OpTypePointer Function %v2int
       %uint = OpTypeInt 32 0
     %v3uint = OpTypeVector %uint 3
%_ptr_Input_v3uint = OpTypePointer Input %v3uint
%gl_GlobalInvocationID = OpVariable %_ptr_Input_v3uint Input
     %v2uint = OpTypeVector %uint 2
%_ptr_Function_v4float = OpTypePointer Function %v4float
         %37 = OpTypeImage %float 2D 0 0 0 1 Unknown
         %38 = OpTypeSampledImage %37
%_ptr_UniformConstant_38 = OpTypePointer UniformConstant %38
%inputTexture = OpVariable %_ptr_UniformConstant_38 UniformConstant
%_ptr_Function_uint = OpTypePointer Function %uint
         %50 = OpConstant %uint 0
%_ptr_Input_uint = OpTypePointer Input %uint
         %55 = OpConstant %uint 1
%_runtimearr_v4float = OpTypeRuntimeArray %v4float
%outputBufferS = OpTypeStruct %_runtimearr_v4float
%_ptr_Uniform_outputBufferS = OpTypePointer Uniform %outputBufferS
%outputBuffer = OpVariable %_ptr_Uniform_outputBufferS Uniform
         %63 = OpConstant %int 1
%_ptr_Uniform_int = OpTypePointer Uniform %int
         %73 = OpConstant %uint 4
%gl_WorkGroupSize = OpConstantComposite %v3uint %73 %55 %55
       %main = OpFunction %void None %3
          %5 = OpLabel
         %xy = OpVariable %_ptr_Function_v2int Function
 %inputPixel = OpVariable %_ptr_Function_v4float Function
        %res = OpVariable %_ptr_Function_v4float Function
          %x = OpVariable %_ptr_Function_uint Function
          %y = OpVariable %_ptr_Function_uint Function
         %32 = OpLoad %v3uint %gl_GlobalInvocationID
         %33 = OpVectorShuffle %v2uint %32 %32 0 1
         %34 = OpBitcast %v2int %33
               OpStore %xy %34
         %41 = OpLoad %38 %inputTexture
         %42 = OpLoad %v2int %xy
         %43 = OpImage %37 %41
         %44 = OpImageFetch %v4float %43 %42 Lod %16
               OpStore %inputPixel %44
         %46 = OpLoad %v4float %inputPixel
         %47 = OpFunctionCall %v4float %greyscale_vf4_ %46
               OpStore %res %47
         %52 = OpAccessChain %_ptr_Input_uint %gl_GlobalInvocationID %50
         %53 = OpLoad %uint %52
               OpStore %x %53
         %56 = OpAccessChain %_ptr_Input_uint %gl_GlobalInvocationID %55
         %57 = OpLoad %uint %56
               OpStore %y %57
         %62 = OpLoad %uint %y
         %65 = OpAccessChain %_ptr_Uniform_int %globalBlock %63
         %66 = OpLoad %int %65
         %67 = OpBitcast %uint %66
         %68 = OpIMul %uint %62 %67
         %69 = OpLoad %uint %x
         %70 = OpIAdd %uint %68 %69
         %71 = OpLoad %v4float %res
         %72 = OpAccessChain %_ptr_Uniform_v4float %outputBuffer %16 %70
               OpStore %72 %71
               OpReturn
               OpFunctionEnd
%greyscale_vf4_ = OpFunction %v4float None %8
          %p = OpFunctionParameter %v4float
         %11 = OpLabel
         %18 = OpAccessChain %_ptr_Uniform_v4float %globalBlock %16
         %19 = OpLoad %v4float %18
         %20 = OpDot %float %p %19
         %21 = OpCompositeConstruct %v4float %20 %20 %20 %20
               OpReturnValue %21
               OpFunctionEnd