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dxvk/src/dxbc/dxbc_options.cpp

63 lines
2.5 KiB
C++

#include "../d3d11/d3d11_options.h"
#include "dxbc_options.h"
namespace dxvk {
DxbcOptions::DxbcOptions() {
}
DxbcOptions::DxbcOptions(const Rc<DxvkDevice>& device, const D3D11Options& options) {
const Rc<DxvkAdapter> adapter = device->adapter();
const DxvkDeviceFeatures& devFeatures = device->features();
const DxvkDeviceInfo& devInfo = adapter->devicePropertiesExt();
useDepthClipWorkaround
= !devFeatures.extDepthClipEnable.depthClipEnable;
useStorageImageReadWithoutFormat
= devFeatures.core.features.shaderStorageImageReadWithoutFormat;
useSubgroupOpsForAtomicCounters
= (devInfo.vk11.subgroupSupportedStages & VK_SHADER_STAGE_COMPUTE_BIT)
&& (devInfo.vk11.subgroupSupportedOperations & VK_SUBGROUP_FEATURE_BALLOT_BIT);
useDemoteToHelperInvocation
= (devFeatures.vk13.shaderDemoteToHelperInvocation);
useSubgroupOpsForEarlyDiscard
= (devInfo.vk11.subgroupSize >= 4)
&& (devInfo.vk11.subgroupSupportedStages & VK_SHADER_STAGE_FRAGMENT_BIT)
&& (devInfo.vk11.subgroupSupportedOperations & VK_SUBGROUP_FEATURE_BALLOT_BIT);
switch (device->config().useRawSsbo) {
case Tristate::Auto: minSsboAlignment = devInfo.core.properties.limits.minStorageBufferOffsetAlignment; break;
case Tristate::True: minSsboAlignment = 4u; break;
case Tristate::False: minSsboAlignment = ~0u; break;
}
invariantPosition = options.invariantPosition;
enableRtOutputNanFixup = options.enableRtOutputNanFixup;
zeroInitWorkgroupMemory = options.zeroInitWorkgroupMemory;
forceTgsmBarriers = options.forceTgsmBarriers;
disableMsaa = options.disableMsaa;
// Figure out float control flags to match D3D11 rules
if (options.floatControls) {
if (devInfo.vk12.shaderSignedZeroInfNanPreserveFloat32)
floatControl.set(DxbcFloatControlFlag::PreserveNan32);
if (devInfo.vk12.shaderSignedZeroInfNanPreserveFloat64)
floatControl.set(DxbcFloatControlFlag::PreserveNan64);
if (devInfo.vk12.denormBehaviorIndependence != VK_SHADER_FLOAT_CONTROLS_INDEPENDENCE_NONE) {
if (devInfo.vk12.shaderDenormFlushToZeroFloat32)
floatControl.set(DxbcFloatControlFlag::DenormFlushToZero32);
if (devInfo.vk12.shaderDenormPreserveFloat64)
floatControl.set(DxbcFloatControlFlag::DenormPreserve64);
}
}
if (!devInfo.vk12.shaderSignedZeroInfNanPreserveFloat32)
enableRtOutputNanFixup = true;
}
}