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https://github.com/encounter/dawn-cmake.git
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02acf59184
In HLSL code, if a switch statement has only a default case, FXC will effectively ignore the code in that case. In this change, we detect this and work around it by emitting the code in the default block without the switch. Bug: tint:1188 Change-Id: I69b405cdb4c669fb093eb49aa138923419dcf8f8 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/68440 Kokoro: Antonio Maiorano <amaiorano@google.com> Commit-Queue: Antonio Maiorano <amaiorano@google.com> Reviewed-by: Ben Clayton <bclayton@chromium.org>
44 lines
1.4 KiB
Plaintext
44 lines
1.4 KiB
Plaintext
; SPIR-V
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; Version: 1.3
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; Generator: Google Tint Compiler; 0
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; Bound: 20
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; Schema: 0
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OpCapability Shader
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OpMemoryModel Logical GLSL450
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OpEntryPoint GLCompute %f "f"
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OpExecutionMode %f LocalSize 1 1 1
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OpName %f "f"
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OpName %i "i"
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OpName %result "result"
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%void = OpTypeVoid
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%1 = OpTypeFunction %void
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%int = OpTypeInt 32 1
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%_ptr_Function_int = OpTypePointer Function %int
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%8 = OpConstantNull %int
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%int_10 = OpConstant %int 10
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%int_22 = OpConstant %int 22
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%int_33 = OpConstant %int 33
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%int_44 = OpConstant %int 44
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%f = OpFunction %void None %1
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%4 = OpLabel
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%i = OpVariable %_ptr_Function_int Function %8
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%result = OpVariable %_ptr_Function_int Function %8
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%11 = OpLoad %int %i
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OpSelectionMerge %10 None
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OpSwitch %11 %12 0 %13 1 %14 2 %15
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%13 = OpLabel
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OpStore %result %int_10
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OpBranch %10
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%14 = OpLabel
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OpStore %result %int_22
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OpBranch %10
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%15 = OpLabel
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OpStore %result %int_33
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OpBranch %10
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%12 = OpLabel
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OpStore %result %int_44
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OpBranch %10
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%10 = OpLabel
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OpReturn
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OpFunctionEnd
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