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[d3d9,dxso] Use DemoteToHelperInvocation for alpha test 

May enable additional compiler optimizations.
This commit is contained in:
Philip Rebohle 2022-08-19 15:56:25 +02:00 committed by Joshie
parent 2d92679cd1
commit 76ee76d6da
2 changed files with 6 additions and 7 deletions
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5
src/d3d9/d3d9_fixed_function.cpp
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@ -323,7 +323,8 @@ namespace dxvk {
spvModule.opBranchConditional(atestDiscard, atestDiscardLabel, atestKeepLabel);
spvModule.opLabel(atestDiscardLabel);
spvModule.opKill();
spvModule.opDemoteToHelperInvocation();
spvModule.opBranch(atestKeepLabel);
// end if (do_discard)
spvModule.opLabel(atestKeepLabel);
@ -2147,6 +2148,8 @@ namespace dxvk {
m_specUbo = SetupSpecUBO(m_module, m_bindings);
// PS Caps
m_module.enableExtension("SPV_EXT_demote_to_helper_invocation");
m_module.enableCapability(spv::CapabilityDemoteToHelperInvocationEXT);
m_module.enableCapability(spv::CapabilityDerivativeControl);
m_module.setExecutionMode(m_entryPointId,

8
src/dxso/dxso_compiler.cpp
View File

@ -488,6 +488,8 @@ namespace dxvk {
void DxsoCompiler::emitPsInit() {
m_module.enableExtension("SPV_EXT_demote_to_helper_invocation");
m_module.enableCapability(spv::CapabilityDemoteToHelperInvocationEXT);
m_module.enableCapability(spv::CapabilityDerivativeControl);
m_module.setExecutionMode(m_entryPointId,
@ -509,12 +511,6 @@ namespace dxvk {
m_module.defFunctionType(
m_module.defVoidType(), 0, nullptr));
this->emitFunctionLabel();
if (m_analysis->usesKill) {
// This extension basically implements D3D-style discard
m_module.enableExtension("SPV_EXT_demote_to_helper_invocation");
m_module.enableCapability(spv::CapabilityDemoteToHelperInvocationEXT);
}
}