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9021eb5594
In https://dawn-review.googlesource.com/c/tint/+/62444 the Resolver validated that there are no parameters of the same function with the same name, but this also introduced validation that errors if parameters shadow a module-scope variable. The WGSL spec allows for shadowing, but Tint so far has not implemented this support. There are transforms that generate functions that presume parameter <-> module-scope variable shadowing is okay. DecomposeMemoryAccess is one of these. This fixes those transforms which could generate programs that fail validation. Bug: chromium:1242330 Fixed: tint:1136 Change-Id: Id6ec59bbdb398b3b2a23312115a7c1dadf433e98 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/62900 Reviewed-by: James Price <jrprice@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Ben Clayton <bclayton@google.com>
41 lines
1.5 KiB
Plaintext
41 lines
1.5 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: 18
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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 %unused_entry_point "unused_entry_point"
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OpExecutionMode %unused_entry_point LocalSize 1 1 1
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OpName %Buffer "Buffer"
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OpMemberName %Buffer 0 "data"
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OpName %buffer "buffer"
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OpName %unused_entry_point "unused_entry_point"
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OpName %main "main"
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OpDecorate %Buffer Block
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OpMemberDecorate %Buffer 0 Offset 0
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OpDecorate %buffer DescriptorSet 0
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OpDecorate %buffer Binding 0
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%uint = OpTypeInt 32 0
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%Buffer = OpTypeStruct %uint
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%_ptr_StorageBuffer_Buffer = OpTypePointer StorageBuffer %Buffer
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%buffer = OpVariable %_ptr_StorageBuffer_Buffer StorageBuffer
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%void = OpTypeVoid
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%5 = OpTypeFunction %void
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%uint_0 = OpConstant %uint 0
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%_ptr_StorageBuffer_uint = OpTypePointer StorageBuffer %uint
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%uint_1 = OpConstant %uint 1
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%unused_entry_point = OpFunction %void None %5
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%8 = OpLabel
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OpReturn
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OpFunctionEnd
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%main = OpFunction %void None %5
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%10 = OpLabel
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%13 = OpAccessChain %_ptr_StorageBuffer_uint %buffer %uint_0
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%14 = OpAccessChain %_ptr_StorageBuffer_uint %buffer %uint_0
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%15 = OpLoad %uint %14
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%17 = OpIAdd %uint %15 %uint_1
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OpStore %13 %17
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OpReturn
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OpFunctionEnd
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