Alastair Donaldson f7e73d4ee3 Add tests derived from VK-GL-CTS
This adds SPIR-V assembly and WGSL tests derived from VK-GL-CTS commit
571256871c2e2f03995373e1e4a02958d8cd8cf5. The following procedure was
followed:

- Those .amber files in VK-GL-CTS wholly owned by Google were
  identified

- All GLSL and SPIR-V shaders were extracted from the Amber files and
  converted into SPIR-V binaries

- The compact-ids pass of spirv-opt was applied to each binary

- Duplicate binaries were removed

- spirv-opt -O was used to obtain an optimized version of each remaining
  binary, with duplicates discarded

- Binaries that failed validation using spirv-val with target
  environment SPIR-V 1.3 were discarded

- Those binaries that tint could not successfully convert into WGSL were
  put aside for further investigation

- SPIR-V assembly versions of the remaining binaries are included in
  this CL

- test-runner with -generate-expected and -generate-skip was used to
  generate expected .spvasm, .msl, .hlsl and .wgsl outputs for these
  SPIR-V assembly tests

- Each successfully-generated .expected.wgsl is included in this CL
  again, as a WGLSL test

- test-runner with -generate-expected and -generate-skip was used again,
  to generate expected outputs for these WGSL tests

Change-Id: Ibe9baf2729cf97e0b633db9a426f53362a5de540
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/58842
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
2021-07-23 13:10:12 +00:00

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; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 36
; Schema: 0
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main" %tint_symbol_1
OpExecutionMode %main OriginUpperLeft
OpName %x_GLF_color "x_GLF_color"
OpName %tint_symbol_1 "tint_symbol_1"
OpName %main_1 "main_1"
OpName %main_out "main_out"
OpMemberName %main_out 0 "x_GLF_color_1"
OpName %tint_symbol_2 "tint_symbol_2"
OpName %tint_symbol "tint_symbol"
OpName %main "main"
OpDecorate %tint_symbol_1 Location 0
OpMemberDecorate %main_out 0 Offset 0
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%_ptr_Private_v4float = OpTypePointer Private %v4float
%5 = OpConstantNull %v4float
%x_GLF_color = OpVariable %_ptr_Private_v4float Private %5
%_ptr_Output_v4float = OpTypePointer Output %v4float
%tint_symbol_1 = OpVariable %_ptr_Output_v4float Output %5
%void = OpTypeVoid
%8 = OpTypeFunction %void
%int = OpTypeInt 32 1
%int_0 = OpConstant %int 0
%bool = OpTypeBool
%false = OpConstantFalse %bool
%float_1 = OpConstant %float 1
%float_0 = OpConstant %float 0
%23 = OpConstantComposite %v4float %float_1 %float_0 %float_0 %float_1
%main_out = OpTypeStruct %v4float
%24 = OpTypeFunction %void %main_out
%main_1 = OpFunction %void None %8
%11 = OpLabel
OpSelectionMerge %12 None
OpSwitch %int_0 %15 0 %16
%16 = OpLabel
OpSelectionMerge %19 None
OpBranchConditional %false %20 %19
%20 = OpLabel
OpBranch %19
%19 = OpLabel
OpBranch %12
%15 = OpLabel
OpBranch %12
%12 = OpLabel
OpStore %x_GLF_color %23
OpReturn
OpFunctionEnd
%tint_symbol_2 = OpFunction %void None %24
%tint_symbol = OpFunctionParameter %main_out
%28 = OpLabel
%29 = OpCompositeExtract %v4float %tint_symbol 0
OpStore %tint_symbol_1 %29
OpReturn
OpFunctionEnd
%main = OpFunction %void None %8
%31 = OpLabel
%32 = OpFunctionCall %void %main_1
%34 = OpLoad %v4float %x_GLF_color
%35 = OpCompositeConstruct %main_out %34
%33 = OpFunctionCall %void %tint_symbol_2 %35
OpReturn
OpFunctionEnd