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/*
* Copyright (C) 2017-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/helpers/hw_helper.h"
#include "shared/source/debug_settings/debug_settings_manager.h"
#include <algorithm>
namespace NEO {
HwHelper *hwHelperFactory[IGFX_MAX_CORE] = {};
HwHelper &HwHelper::get(GFXCORE_FAMILY gfxCore) {
return *hwHelperFactory[gfxCore];
}
bool HwHelper::renderCompressedBuffersSupported(const HardwareInfo &hwInfo) {
if (DebugManager.flags.RenderCompressedBuffersEnabled.get() != -1) {
return !!DebugManager.flags.RenderCompressedBuffersEnabled.get();
}
return hwInfo.capabilityTable.ftrRenderCompressedBuffers;
}
bool HwHelper::renderCompressedImagesSupported(const HardwareInfo &hwInfo) {
if (DebugManager.flags.RenderCompressedImagesEnabled.get() != -1) {
return !!DebugManager.flags.RenderCompressedImagesEnabled.get();
}
return hwInfo.capabilityTable.ftrRenderCompressedImages;
}
bool HwHelper::cacheFlushAfterWalkerSupported(const HardwareInfo &hwInfo) {
int32_t dbgFlag = DebugManager.flags.EnableCacheFlushAfterWalker.get();
if (dbgFlag == 1) {
return true;
} else if (dbgFlag == 0) {
return false;
}
return hwInfo.capabilityTable.supportCacheFlushAfterWalker;
}
uint32_t HwHelper::getMaxThreadsForVfe(const HardwareInfo &hwInfo) {
uint32_t threadsPerEU = (hwInfo.gtSystemInfo.ThreadCount / hwInfo.gtSystemInfo.EUCount) + hwInfo.capabilityTable.extraQuantityThreadsPerEU;
auto maxHwThreadsCapable = hwInfo.gtSystemInfo.EUCount * threadsPerEU;
auto maxHwThreadsReturned = maxHwThreadsCapable;
if (DebugManager.flags.MaxHwThreadsPercent.get() != 0) {
maxHwThreadsReturned = int(maxHwThreadsCapable * (DebugManager.flags.MaxHwThreadsPercent.get() / 100.0f));
}
if (DebugManager.flags.MinHwThreadsUnoccupied.get() != 0) {
maxHwThreadsReturned = std::min(maxHwThreadsReturned, maxHwThreadsCapable - DebugManager.flags.MinHwThreadsUnoccupied.get());
}
return maxHwThreadsReturned;
}
uint32_t HwHelper::getMaxThreadsForWorkgroup(const HardwareInfo &hwInfo, uint32_t maxNumEUsPerSubSlice) const {
uint32_t numThreadsPerEU = hwInfo.gtSystemInfo.ThreadCount / hwInfo.gtSystemInfo.EUCount;
return maxNumEUsPerSubSlice * numThreadsPerEU;
}
} // namespace NEO
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