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[dxbc] Implement SV_ViewportID as pixel shader input

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This commit is contained in:
Philip Rebohle 2018-06-27 12:02:54 +02:00
parent 0e6e985210
commit 6cc303c5ef
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GPG Key ID: C8CC613427A31C99
2 changed files with 23 additions and 1 deletions
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23
src/dxbc/dxbc_compiler.cpp
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@ -5283,7 +5283,7 @@ namespace dxvk {
{ DxbcScalarType::Uint32, 1, 0 },
spv::StorageClassInput },
spv::BuiltInLayer,
"ps_layer");
"v_layer");
}
DxbcRegisterPointer ptr;
@ -5294,6 +5294,25 @@ namespace dxvk {
return emitValueLoad(ptr);
} break;
case DxbcSystemValue::ViewportId: {
if (m_ps.builtinViewportId == 0) {
m_module.enableCapability(spv::CapabilityMultiViewport);
m_ps.builtinViewportId = emitNewBuiltinVariable({
{ DxbcScalarType::Uint32, 1, 0 },
spv::StorageClassInput },
spv::BuiltInViewportIndex,
"v_viewport");
}
DxbcRegisterPointer ptr;
ptr.type.ctype = DxbcScalarType::Uint32;
ptr.type.ccount = 1;
ptr.id = m_ps.builtinViewportId;
return emitValueLoad(ptr);
} break;
default:
throw DxvkError(str::format(
"DxbcCompiler: Unhandled PS SV input: ", sv));
@ -5338,6 +5357,8 @@ namespace dxvk {
enableShaderViewportIndexLayer();
if (m_gs.builtinLayer == 0) {
m_module.enableCapability(spv::CapabilityGeometry);
m_gs.builtinLayer = emitNewBuiltinVariable({
{ DxbcScalarType::Uint32, 1, 0 },
spv::StorageClassOutput },

1
src/dxbc/dxbc_compiler.h
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@ -165,6 +165,7 @@ namespace dxvk {
uint32_t builtinSampleMaskIn = 0;
uint32_t builtinSampleMaskOut = 0;
uint32_t builtinLayer = 0;
uint32_t builtinViewportId = 0;
uint32_t killState = 0;
};