rsov/compiler/spirit/test_data/greyscale2.spt

; SPIR-V
; Version: 1.0
; Generator: Khronos Glslang Reference Front End; 1
; Bound: 67
; Schema: 0
               OpCapability Shader
          %1 = OpExtInstImport "GLSL.std.450"
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %main "main" %gl_GlobalInvocationID
               OpExecutionMode %main LocalSize 2 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 %xy "xy"
               OpName %gl_GlobalInvocationID "gl_GlobalInvocationID"
               OpName %inputPixel "inputPixel"
               OpName %inputTexture "inputTexture"
               OpName %res "res"
               OpName %globalBuffer "globalBuffer"
               OpMemberName %globalBuffer 0 "coeff"
               OpMemberName %globalBuffer 1 "width"
               OpMemberName %globalBuffer 2 "height"
               OpName %globalBlock "globalBlock"
               OpName %x "x"
               OpName %y "y"
               OpName %outputBufferS "outputBufferS"
               OpMemberName %outputBufferS 0 "buf"
               OpName %outputBuffer "outputBuffer"
               OpDecorate %gl_GlobalInvocationID BuiltIn GlobalInvocationId
               OpDecorate %inputTexture DescriptorSet 0
               OpDecorate %inputTexture Binding 0
               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 %_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
        %int = OpTypeInt 32 1
      %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
      %float = OpTypeFloat 32
    %v4float = OpTypeVector %float 4
%_ptr_Function_v4float = OpTypePointer Function %v4float
         %22 = OpTypeImage %float 2D 0 0 0 1 Unknown
         %23 = OpTypeSampledImage %22
%_ptr_UniformConstant_23 = OpTypePointer UniformConstant %23
%inputTexture = OpVariable %_ptr_UniformConstant_23 UniformConstant
         %28 = OpConstant %int 0
%globalBuffer = OpTypeStruct %v4float %int %int
%_ptr_Uniform_globalBuffer = OpTypePointer Uniform %globalBuffer
%globalBlock = OpVariable %_ptr_Uniform_globalBuffer Uniform
%_ptr_Uniform_v4float = OpTypePointer Uniform %v4float
%_ptr_Function_uint = OpTypePointer Function %uint
         %42 = OpConstant %uint 0
%_ptr_Input_uint = OpTypePointer Input %uint
         %47 = OpConstant %uint 1
%_runtimearr_v4float = OpTypeRuntimeArray %v4float
%outputBufferS = OpTypeStruct %_runtimearr_v4float
%_ptr_Uniform_outputBufferS = OpTypePointer Uniform %outputBufferS
%outputBuffer = OpVariable %_ptr_Uniform_outputBufferS Uniform
         %55 = OpConstant %int 1
%_ptr_Uniform_int = OpTypePointer Uniform %int
         %65 = OpConstant %uint 2
%gl_WorkGroupSize = OpConstantComposite %v3uint %65 %47 %47
       %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
         %15 = OpLoad %v3uint %gl_GlobalInvocationID
         %16 = OpVectorShuffle %v2uint %15 %15 0 1
         %17 = OpBitcast %v2int %16
               OpStore %xy %17
         %26 = OpLoad %23 %inputTexture
         %27 = OpLoad %v2int %xy
         %29 = OpImageFetch %v4float %26 %27 Lod %28
               OpStore %inputPixel %29
         %31 = OpLoad %v4float %inputPixel
         %36 = OpAccessChain %_ptr_Uniform_v4float %globalBlock %28
         %37 = OpLoad %v4float %36
         %38 = OpDot %float %31 %37
         %39 = OpCompositeConstruct %v4float %38 %38 %38 %38
               OpStore %res %39
         %44 = OpAccessChain %_ptr_Input_uint %gl_GlobalInvocationID %42
         %45 = OpLoad %uint %44
               OpStore %x %45
         %48 = OpAccessChain %_ptr_Input_uint %gl_GlobalInvocationID %47
         %49 = OpLoad %uint %48
               OpStore %y %49
         %54 = OpLoad %uint %y
         %57 = OpAccessChain %_ptr_Uniform_int %globalBlock %55
         %58 = OpLoad %int %57
         %59 = OpBitcast %uint %58
         %60 = OpIMul %uint %54 %59
         %61 = OpLoad %uint %x
         %62 = OpIAdd %uint %60 %61
         %63 = OpLoad %v4float %res
         %64 = OpAccessChain %_ptr_Uniform_v4float %outputBuffer %28 %62
               OpStore %64 %63
               OpReturn
               OpFunctionEnd