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[dxbc] Work around OpControlBarrier issue on radv 18.2-git

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This commit is contained in:
Philip Rebohle 2018-08-03 15:15:18 +02:00
parent fe66e668e5
commit 9293acfeb5
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1 changed files with 9 additions and 6 deletions
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15
src/dxbc/dxbc_compiler.cpp
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@ -2319,17 +2319,20 @@ namespace dxvk {
| spv::MemorySemanticsAcquireReleaseMask;
}
// According to the SPIR-V spec, OpControlBarrier should
// also act as a memory barrier if the memory semantics
// are not 'none', but this is currently broken on RADV.
if (memoryScope != spv::ScopeInvocation) {
m_module.opMemoryBarrier(
m_module.constu32(memoryScope),
m_module.constu32(memorySemantics));
}
if (executionScope != spv::ScopeInvocation) {
m_module.opControlBarrier(
m_module.constu32(executionScope),
m_module.constu32(memoryScope),
m_module.constu32(memorySemantics));
} else if (memoryScope != spv::ScopeInvocation) {
m_module.opMemoryBarrier(
m_module.constu32(memoryScope),
m_module.constu32(memorySemantics));
} else {
Logger::warn("DxbcCompiler: sync instruction has no effect");
}
}