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test: Add E2E test coverage for shader IO This provides much more complete coverage than what we have in the unit tests. We now test: - All builtins, for all stages, both struct and non-struct - Multiple location attributes for vertex and fragment stages, both struct and non-struct - Mixing builtins and location attributes, whilst mixing struct and non-struct - A few "interesting" cases of IO structs being shared between different functions, stages, and with an SSBO variable There are 7 skipped tests for MSL due to two different MSL bugs which will be fixed in upcoming patches. Change-Id: I8b802591762c8ff018e01bf37838551e353162b1 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/53120 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Ben Clayton <bclayton@google.com> Auto-Submit: James Price <jrprice@google.com>
2021-06-03 09:38:34 +00:00
; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 26
; Schema: 0
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %unused_entry_point "unused_entry_point"
OpExecutionMode %unused_entry_point LocalSize 1 1 1
OpName %unused_entry_point "unused_entry_point"
OpName %VertexOutput "VertexOutput"
OpMemberName %VertexOutput 0 "pos"
OpMemberName %VertexOutput 1 "loc0"
OpName %foo "foo"
OpName %x "x"
OpName %vert_main1 "vert_main1"
OpName %vert_main2 "vert_main2"
OpMemberDecorate %VertexOutput 0 Offset 0
OpMemberDecorate %VertexOutput 1 Offset 16
%void = OpTypeVoid
%1 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%int = OpTypeInt 32 1
%VertexOutput = OpTypeStruct %v4float %int
%5 = OpTypeFunction %VertexOutput %float
%float_1 = OpConstant %float 1
%int_42 = OpConstant %int 42
%17 = OpTypeFunction %VertexOutput
%float_0_5 = OpConstant %float 0.5
%float_0_25 = OpConstant %float 0.25
%unused_entry_point = OpFunction %void None %1
%4 = OpLabel
OpReturn
OpFunctionEnd
%foo = OpFunction %VertexOutput None %5
%x = OpFunctionParameter %float
%12 = OpLabel
%14 = OpCompositeConstruct %v4float %x %x %x %float_1
%16 = OpCompositeConstruct %VertexOutput %14 %int_42
OpReturnValue %16
OpFunctionEnd
%vert_main1 = OpFunction %VertexOutput None %17
%19 = OpLabel
%20 = OpFunctionCall %VertexOutput %foo %float_0_5
OpReturnValue %20
OpFunctionEnd
%vert_main2 = OpFunction %VertexOutput None %17
%23 = OpLabel
%24 = OpFunctionCall %VertexOutput %foo %float_0_25
OpReturnValue %24
OpFunctionEnd