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* Use `gpudebugcrash assert` console command to trigger #jira none [CL 33590498 by Yuriy ODonnell in ue5-main branch]
44 lines
1.1 KiB
Plaintext
44 lines
1.1 KiB
Plaintext
// Copyright Epic Games, Inc. All Rights Reserved.
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/*=============================================================================
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GPUDebugCrashUtils.usf: Shaders for crashing the GPU for debugging purposes.
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=============================================================================*/
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#include "../Common.ush"
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RWTexture2D<uint> PageFaultUAV;
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[numthreads(THREADGROUPSIZE, THREADGROUPSIZE, 1)]
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void MainCS(uint3 ThreadID : SV_DispatchThreadID)
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{
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#if PLATFORM_BREAK_REQUESTED
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PLATFORM_BREAK();
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#endif
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uint what = PageFaultUAV[ThreadID.xy] + 1; // read
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uint OldValue = 0;
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uint2 index = uint2(0, 0);
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uint2 index1 = uint2(0, 1);
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InterlockedAdd(PageFaultUAV[index], 1, OldValue);
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if (OldValue == 0)
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{
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PageFaultUAV[index1] = what;
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}
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#if ASSERT_REQUESTED && PLATFORM_SUPPORTS_DIAGNOSTIC_BUFFER
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UEReportAssertWithPayload(0xBE4A3F32, uint4(1, 2, 3, 4));
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#endif
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#if HANG_REQUESTED
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// Try to trigger a crash (timeout) using a deliberate infinite loop
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for (;;)
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{
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InterlockedAdd(PageFaultUAV[index], 0, OldValue);
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if (OldValue == 0)
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{
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break;
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}
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}
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#endif
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}
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