84 lines
3.5 KiB
C++
84 lines
3.5 KiB
C++
/*
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* Copyright (C) 2020-2022 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#include "shared/source/helpers/constants.h"
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#include "shared/source/helpers/ray_tracing_helper.h"
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#include "shared/test/common/mocks/mock_device.h"
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#include "shared/test/common/test_macros/test.h"
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using namespace NEO;
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TEST(RayTracingHelperTests, whenGetMemoryBackedFifoSizeToPatchIsCalledCorrectValueIsReturned) {
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size_t fifoSize = RayTracingHelper::getMemoryBackedFifoSizeToPatch();
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size_t expectedSize =
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RayTracingHelper::memoryBackedFifoSizePerDss == 0
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? 0
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: Math::log2(RayTracingHelper::memoryBackedFifoSizePerDss / KB) - 1;
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EXPECT_EQ(expectedSize, fifoSize);
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}
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TEST(RayTracingHelperTests, whenMemoryBackedFifoSizeIsRequestedThenCorrectValueIsReturned) {
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MockDevice device;
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size_t size = RayTracingHelper::getTotalMemoryBackedFifoSize(device);
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size_t expectedSize = device.getHardwareInfo().gtSystemInfo.MaxDualSubSlicesSupported * RayTracingHelper::memoryBackedFifoSizePerDss;
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EXPECT_EQ(expectedSize, size);
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}
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TEST(RayTracingHelperTests, whenRTStackSizeIsRequestedThenCorrectValueIsReturned) {
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MockDevice device;
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uint32_t maxBvhLevel = 2;
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uint32_t extraBytesLocal = 20;
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uint32_t extraBytesGlobal = 100;
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uint32_t tiles = 2;
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size_t expectedSize = alignUp(RayTracingHelper::getStackSizePerRay(maxBvhLevel, extraBytesLocal) * RayTracingHelper::getNumRtStacks(device) + extraBytesGlobal, MemoryConstants::cacheLineSize);
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size_t size = RayTracingHelper::getRTStackSizePerTile(device, tiles, maxBvhLevel, extraBytesLocal, extraBytesGlobal);
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EXPECT_EQ(expectedSize, size);
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}
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TEST(RayTracingHelperTests, whenNumRtStacksPerDssIsRequestedThenCorrectValueIsReturned) {
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MockDevice device;
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uint32_t numDssRtStacks = RayTracingHelper::getNumRtStacksPerDss(device);
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uint32_t expectedValue = device.getHardwareInfo().gtSystemInfo.MaxDualSubSlicesSupported
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? static_cast<uint32_t>(RayTracingHelper::getNumRtStacks(device) / device.getHardwareInfo().gtSystemInfo.MaxDualSubSlicesSupported + 0.5)
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: RayTracingHelper::stackDssMultiplier;
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EXPECT_EQ(expectedValue, numDssRtStacks);
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}
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TEST(RayTracingHelperTests, whenNumRtStacksIsQueriedThenItIsEqualToNumRtStacksPerDssMultipliedByDualSubsliceCount) {
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MockDevice device;
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uint32_t numDssRtStacksPerDss = RayTracingHelper::getNumRtStacksPerDss(device);
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uint32_t numDssRtStacks = RayTracingHelper::getNumRtStacks(device);
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uint32_t subsliceCount = device.getHardwareInfo().gtSystemInfo.MaxDualSubSlicesSupported;
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EXPECT_EQ(numDssRtStacks, numDssRtStacksPerDss * subsliceCount);
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}
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TEST(RayTracingHelperTests, whenNumDssIsRequestedThenCorrectValueIsReturned) {
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MockDevice device;
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EXPECT_EQ(device.getHardwareInfo().gtSystemInfo.MaxDualSubSlicesSupported, RayTracingHelper::getNumDss(device));
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}
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TEST(RayTracingHelperTests, whenStackSizePerRayIsRequestedThenCorrectValueIsReturned) {
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EXPECT_EQ(RayTracingHelper::hitInfoSize, RayTracingHelper::getStackSizePerRay(0, 0));
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uint32_t maxBvhLevel = 1234;
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uint32_t extraBytesLocal = 5678;
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uint32_t expectedValue = RayTracingHelper::hitInfoSize + RayTracingHelper::bvhStackSize * maxBvhLevel + extraBytesLocal;
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EXPECT_EQ(RayTracingHelper::getStackSizePerRay(maxBvhLevel, extraBytesLocal), expectedValue);
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}
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TEST(RayTracingHelperTests, whenGetMemoryBackedFifoSizeToPatchIsCalledThenCorrectValueIsReturned) {
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EXPECT_EQ(2u, RayTracingHelper::getMemoryBackedFifoSizeToPatch());
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}
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