7c83fc22fa
WorkgroupSize builtin is deprecated in 1.6 and LocalSizeId is supported in Vulkan starting with maintenance4.
77 lines
3.4 KiB
Plaintext
77 lines
3.4 KiB
Plaintext
OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint GLCompute %main "main" %gl_GlobalInvocationID
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OpExecutionModeId %main LocalSizeId %spec_3 %spec_4 %uint_2
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OpSource GLSL 450
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OpName %main "main"
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OpName %SSBO "SSBO"
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OpMemberName %SSBO 0 "values"
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OpName %_ ""
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OpName %gl_GlobalInvocationID "gl_GlobalInvocationID"
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OpDecorate %_runtimearr_v4float ArrayStride 16
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OpMemberDecorate %SSBO 0 Offset 0
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OpDecorate %SSBO Block
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OpDecorate %_ DescriptorSet 0
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OpDecorate %_ Binding 0
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OpDecorate %gl_GlobalInvocationID BuiltIn GlobalInvocationId
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OpDecorate %spec_1 SpecId 1
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OpDecorate %spec_2 SpecId 2
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OpDecorate %spec_3 SpecId 3
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OpDecorate %spec_4 SpecId 4
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%void = OpTypeVoid
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%3 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%v3float = OpTypeVector %float 3
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%v4float = OpTypeVector %float 4
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%_runtimearr_v4float = OpTypeRuntimeArray %v4float
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%SSBO = OpTypeStruct %_runtimearr_v4float
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%_ptr_Uniform_SSBO = OpTypePointer StorageBuffer %SSBO
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%_ = OpVariable %_ptr_Uniform_SSBO StorageBuffer
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%int = OpTypeInt 32 1
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%int_0 = OpConstant %int 0
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%uint = OpTypeInt 32 0
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%v3uint = OpTypeVector %uint 3
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%_ptr_Input_v3uint = OpTypePointer Input %v3uint
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%gl_GlobalInvocationID = OpVariable %_ptr_Input_v3uint Input
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%uint_0 = OpConstant %uint 0
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%_ptr_Input_uint = OpTypePointer Input %uint
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%float_2 = OpConstant %float 2
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%_ptr_Uniform_v4float = OpTypePointer StorageBuffer %v4float
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; Test that we can declare the spec constant as signed.
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; Needs implicit bitcast since WorkGroupSize is uint.
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%spec_1 = OpSpecConstant %int 11
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%spec_2 = OpSpecConstant %int 12
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%spec_3 = OpSpecConstant %int 13
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%spec_4 = OpSpecConstant %int 14
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%uint_1 = OpConstant %uint 1
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%uint_2 = OpConstant %uint 2
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%uint_3 = OpConstant %uint 3
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; Test that we can build spec constant composites out of local size id values.
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; Needs special case handling.
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%spec_3_op = OpSpecConstantOp %uint IAdd %spec_3 %uint_3
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%WorkGroupSize = OpSpecConstantComposite %v3uint %spec_3_op %spec_4 %uint_2
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%main = OpFunction %void None %3
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%5 = OpLabel
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%20 = OpAccessChain %_ptr_Input_uint %gl_GlobalInvocationID %uint_0
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%21 = OpLoad %uint %20
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%24 = OpAccessChain %_ptr_Uniform_v4float %_ %int_0 %21
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%25 = OpLoad %v4float %24
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%26 = OpCompositeConstruct %v4float %float_2 %float_2 %float_2 %float_2
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%27 = OpFAdd %v4float %25 %26
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%wg_f = OpConvertUToF %v3float %WorkGroupSize
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%wg_f4 = OpVectorShuffle %v4float %wg_f %wg_f 0 1 2 2
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; Test that we can use the spec constants directly which needs to translate to gl_WorkGroupSize.elem.
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; Needs special case handling.
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%res = OpFAdd %v4float %27 %wg_f4
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%f0 = OpConvertSToF %float %spec_3
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%f1 = OpConvertSToF %float %spec_4
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%f2 = OpConvertSToF %float %uint_2
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%res1 = OpVectorTimesScalar %v4float %res %f0
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%res2 = OpVectorTimesScalar %v4float %res1 %f1
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%res3 = OpVectorTimesScalar %v4float %res2 %f2
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%28 = OpAccessChain %_ptr_Uniform_v4float %_ %int_0 %21
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OpStore %28 %res3
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OpReturn
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OpFunctionEnd
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