Implement the AllMemoryBarrier
HLSL Function
#99076
Labels
backend:DirectX
backend:SPIR-V
bot:HLSL
HLSL
HLSL Language Support
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AllMemoryBarrier
clang builtin,AllMemoryBarrier
clang builtin withhlsl_intrinsics.h
AllMemoryBarrier
toCheckHLSLBuiltinFunctionCall
inSemaChecking.cpp
AllMemoryBarrier
toEmitHLSLBuiltinExpr
inCGBuiltin.cpp
clang/test/CodeGenHLSL/builtins/AllMemoryBarrier.hlsl
clang/test/SemaHLSL/BuiltIns/AllMemoryBarrier-errors.hlsl
int_dx_AllMemoryBarrier
intrinsic inIntrinsicsDirectX.td
DXILOpMapping
ofint_dx_AllMemoryBarrier
to80
inDXIL.td
AllMemoryBarrier.ll
andAllMemoryBarrier_errors.ll
tests inllvm/test/CodeGen/DirectX/
int_spv_AllMemoryBarrier
intrinsic inIntrinsicsSPIRV.td
AllMemoryBarrier
lowering and map it toint_spv_AllMemoryBarrier
inSPIRVInstructionSelector::selectIntrinsic
.llvm/test/CodeGen/SPIRV/hlsl-intrinsics/AllMemoryBarrier.ll
DirectX
SPIR-V
OpMemoryBarrier:
Description:
Control the order that memory accesses are observed.
Ensures that memory accesses issued before this instruction are observed
before memory accesses issued after this instruction. This control is
ensured only for memory accesses issued by this
invocation and observed by another invocation executing
within Memory scope. If the Vulkan memory model
is declared, this ordering only applies to memory accesses that use the
NonPrivatePointer memory operand or
NonPrivateTexel image operand.
Semantics declares what kind of memory is being controlled and what
kind of control to apply.
To execute both a memory barrier and a control barrier, see
OpControlBarrier.
3
225
Scope <id>
Memory
Memory Semantics <id>
Semantics
Test Case(s)
Example 1
HLSL:
Blocks execution of all threads in a group until all memory accesses have been completed.
Syntax
void AllMemoryBarrier(void);
Parameters
This function has no parameters.
Return value
This function does not return a value.
Remarks
A memory barrier guarantees that outstanding memory operations have completed. Threads are synchronized at GroupSync barriers. This may stall a thread or threads if memory operations are in progress.
Minimum Shader Model
This function is supported in the following shader models.
This function is supported in the following types of shaders:
See also
Intrinsic Functions
Shader Model 5
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