external/vulkancts/data/vulkan/amber/spirv_assembly/instruction/float32/comparison/modfstruct_2_comp.amber

#!amber

# Copyright 2020 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# A compute shader test for ModfStruct.

# SHADER compute comp_shader GLSL
# #version 430
# precision highp float;
#
# const uint ndp = 1296 / 2;
# const uint half_ndp = ndp / 2;
#
# layout(set = 0, binding = 0) readonly buffer block0 {
#     uvec2 in_values[half_ndp];
# };
#
# layout(set = 0, binding = 1) buffer block1 {
#     vec2 modf_out[ndp];
# };
#
# layout(set = 0, binding = 2) buffer block2 {
#     vec2 modfStruct_out[ndp];
# };
#
# struct modfStructType
# {
#     vec2 x;
#     vec2 i;
# };
#
# // Replaced with native function in SPIR-V.
# modfStructType modfStruct (vec2 orig)
# {
#     vec2 x, i;
#     x = modf(orig, i);
#     modfStructType res = { x, i };
#     return res;
# }
#
# void main ()
# {
#     for (uint ndx = 0; ndx < ndp; ndx += 2)
#     {
#         uvec2 in_uint = in_values[ndx/2];
#         vec2 in_float = uintBitsToFloat(in_uint);
#         modf_out[ndx+1] = modf(in_float, modf_out[ndx]);
#         modfStructType res = modfStruct(in_float);
#         modfStruct_out[ndx] = res.i;
#         modfStruct_out[ndx+1] = res.x;
#     }
#
#     return;
# }
# END

SHADER compute comp_shader SPIRV-ASM
               OpCapability Shader
          %1 = OpExtInstImport "GLSL.std.450"
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %main "main"
               OpExecutionMode %main LocalSize 1 1 1
               OpDecorate %_arr_v2uint_uint_324 ArrayStride 8
               OpMemberDecorate %block0 0 NonWritable
               OpMemberDecorate %block0 0 Offset 0
               OpDecorate %block0 BufferBlock
               OpDecorate %_ DescriptorSet 0
               OpDecorate %_ Binding 0
               OpDecorate %_arr_v2float_uint_648 ArrayStride 8
               OpMemberDecorate %block1 0 Offset 0
               OpDecorate %block1 BufferBlock
               OpDecorate %__0 DescriptorSet 0
               OpDecorate %__0 Binding 1
               OpDecorate %_arr_v2float_uint_648_0 ArrayStride 8
               OpMemberDecorate %block2 0 Offset 0
               OpDecorate %block2 BufferBlock
               OpDecorate %__1 DescriptorSet 0
               OpDecorate %__1 Binding 2
       %void = OpTypeVoid
          %3 = OpTypeFunction %void
      %float = OpTypeFloat 32
    %v2float = OpTypeVector %float 2
%_ptr_Function_v2float = OpTypePointer Function %v2float
%modfStructType = OpTypeStruct %v2float %v2float
         %10 = OpTypeFunction %modfStructType %_ptr_Function_v2float
%_ptr_Function_modfStructType = OpTypePointer Function %modfStructType
       %uint = OpTypeInt 32 0
%_ptr_Function_uint = OpTypePointer Function %uint
     %uint_0 = OpConstant %uint 0
   %uint_648 = OpConstant %uint 648
       %bool = OpTypeBool
     %v2uint = OpTypeVector %uint 2
%_ptr_Function_v2uint = OpTypePointer Function %v2uint
   %uint_324 = OpConstant %uint 324
%_arr_v2uint_uint_324 = OpTypeArray %v2uint %uint_324
     %block0 = OpTypeStruct %_arr_v2uint_uint_324
%_ptr_Uniform_block0 = OpTypePointer Uniform %block0
          %_ = OpVariable %_ptr_Uniform_block0 Uniform
        %int = OpTypeInt 32 1
      %int_0 = OpConstant %int 0
     %uint_2 = OpConstant %uint 2
%_ptr_Uniform_v2uint = OpTypePointer Uniform %v2uint
%_arr_v2float_uint_648 = OpTypeArray %v2float %uint_648
     %block1 = OpTypeStruct %_arr_v2float_uint_648
%_ptr_Uniform_block1 = OpTypePointer Uniform %block1
        %__0 = OpVariable %_ptr_Uniform_block1 Uniform
     %uint_1 = OpConstant %uint 1
%_ptr_Uniform_v2float = OpTypePointer Uniform %v2float
%_arr_v2float_uint_648_0 = OpTypeArray %v2float %uint_648
     %block2 = OpTypeStruct %_arr_v2float_uint_648_0
%_ptr_Uniform_block2 = OpTypePointer Uniform %block2
        %__1 = OpVariable %_ptr_Uniform_block2 Uniform
      %int_1 = OpConstant %int 1
       %main = OpFunction %void None %3
          %5 = OpLabel
        %ndx = OpVariable %_ptr_Function_uint Function
    %in_uint = OpVariable %_ptr_Function_v2uint Function
   %in_float = OpVariable %_ptr_Function_v2float Function
      %res_0 = OpVariable %_ptr_Function_modfStructType Function
               OpStore %ndx %uint_0
               OpBranch %30
         %30 = OpLabel
               OpLoopMerge %32 %33 None
               OpBranch %34
         %34 = OpLabel
         %35 = OpLoad %uint %ndx
         %38 = OpULessThan %bool %35 %uint_648
               OpBranchConditional %38 %31 %32
         %31 = OpLabel
         %49 = OpLoad %uint %ndx
         %51 = OpUDiv %uint %49 %uint_2
         %53 = OpAccessChain %_ptr_Uniform_v2uint %_ %int_0 %51
         %54 = OpLoad %v2uint %53
               OpStore %in_uint %54
         %56 = OpLoad %v2uint %in_uint
         %57 = OpBitcast %v2float %56
               OpStore %in_float %57
         %62 = OpLoad %uint %ndx
         %64 = OpIAdd %uint %62 %uint_1
         %65 = OpLoad %v2float %in_float
         %66 = OpLoad %uint %ndx
         %68 = OpAccessChain %_ptr_Uniform_v2float %__0 %int_0 %66
         %69 = OpExtInst %v2float %1 Modf %65 %68
         %70 = OpAccessChain %_ptr_Uniform_v2float %__0 %int_0 %64
               OpStore %70 %69
         %73 = OpLoad %v2float %in_float
         %74 = OpExtInst %modfStructType %1 ModfStruct %73
               OpStore %res_0 %74
         %79 = OpLoad %uint %ndx
         %81 = OpAccessChain %_ptr_Function_v2float %res_0 %int_1
         %82 = OpLoad %v2float %81
         %83 = OpAccessChain %_ptr_Uniform_v2float %__1 %int_0 %79
               OpStore %83 %82
         %84 = OpLoad %uint %ndx
         %85 = OpIAdd %uint %84 %uint_1
         %86 = OpAccessChain %_ptr_Function_v2float %res_0 %int_0
         %87 = OpLoad %v2float %86
         %88 = OpAccessChain %_ptr_Uniform_v2float %__1 %int_0 %85
               OpStore %88 %87
               OpBranch %33
         %33 = OpLabel
         %89 = OpLoad %uint %ndx
         %90 = OpIAdd %uint %89 %uint_2
               OpStore %ndx %90
               OpBranch %30
         %32 = OpLabel
               OpReturn
               OpFunctionEnd
END

BUFFER buf_in DATA_TYPE uint32 SIZE 1296 FILE TEXT input.txt

BUFFER buf_modf DATA_TYPE vec2<float> SIZE 648 FILL 0.0
BUFFER buf_modfStruct DATA_TYPE vec2<float> SIZE 648 FILL 1.0

PIPELINE compute test_pipeline
    ATTACH comp_shader

    BIND BUFFER buf_in AS storage DESCRIPTOR_SET 0 BINDING 0
    BIND BUFFER buf_modf AS storage DESCRIPTOR_SET 0 BINDING 1
    BIND BUFFER buf_modfStruct AS storage DESCRIPTOR_SET 0 BINDING 2
END

RUN test_pipeline 1 1 1

EXPECT buf_modf EQ_BUFFER buf_modfStruct