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baldurk
856c838def
* In a previous update in 2021 many copyright ranges were truncated accidentally, and some files have been copy-pasted with wrong years. These dates have been fixed based on git history and original copyright messages.
391 lines
11 KiB
C++
391 lines
11 KiB
C++
/******************************************************************************
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* The MIT License (MIT)
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*
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* Copyright (c) 2025-2026 Baldur Karlsson
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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******************************************************************************/
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#include "d3d12_test.h"
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RD_TEST(D3D12_Groupshared, D3D12GraphicsTest)
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{
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static constexpr const char *Description = "Test of compute shader that uses groupshared memory.";
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std::string comp = R"EOSHADER(
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#define MAX_THREADS 64
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RWStructuredBuffer<float> indata : register(u0);
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RWStructuredBuffer<float4> outdata : register(u1);
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cbuffer rootconsts : register(b0)
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{
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uint root_test;
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}
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groupshared float gsmData[MAX_THREADS];
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groupshared int gsmIntData[MAX_THREADS];
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groupshared int gInt;
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#define IsTest(x) (root_test == x)
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float GetGSMValue(uint i)
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{
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return gsmData[i % MAX_THREADS];
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}
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int GetGSMIntValue(uint i)
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{
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return gsmIntData[i % MAX_THREADS];
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}
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[numthreads(MAX_THREADS,1,1)]
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void main(uint3 gid : SV_GroupThreadID)
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{
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if(gid.x == 0)
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{
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gsmData[0] = 1.25f;
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gsmData[1] = 1.25f;
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gsmData[2] = 1.25f;
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gsmData[3] = 1.25f;
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gsmData[4] = 1.25f;
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gsmData[5] = 1.25f;
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gsmData[6] = 1.25f;
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gsmData[7] = 1.25f;
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gsmData[8] = 1.25f;
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for(int i=8; i < MAX_THREADS; i++) gsmData[i] = 1.25f;
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gsmIntData[0] = 125;
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gsmIntData[1] = 125;
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gsmIntData[2] = 125;
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gsmIntData[3] = 125;
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gsmIntData[4] = 125;
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gsmIntData[5] = 125;
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gsmIntData[6] = 125;
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gsmIntData[7] = 125;
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gsmIntData[8] = 125;
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for(int j=8; j < MAX_THREADS; j++) gsmIntData[j] = 125;
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gInt = 25;
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}
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GroupMemoryBarrierWithGroupSync();
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float4 outval = 0.0f.xxxx;
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int u = int(gid.x);
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if (IsTest(0))
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{
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// first write, should be the init value for all threads
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outval.x = GetGSMValue(gid.x);
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gsmData[gid.x] = indata[gid.x];
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// second write, should be the read value because we're reading our own value
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outval.y = GetGSMValue(gid.x);
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GroupMemoryBarrierWithGroupSync();
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// third write, should be our pairwise neighbour's value
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outval.z = GetGSMValue(gid.x ^ 1);
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// do calculation with our neighbour
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float value = (1.0f + GetGSMValue(gid.x)) * (1.0f + GetGSMValue(gid.x ^ 1));
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GroupMemoryBarrierWithGroupSync();
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gsmData[gid.x] = value;
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GroupMemoryBarrierWithGroupSync();
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// fourth write, our neighbour should be identical to our value
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outval.w = GetGSMValue(gid.x) == GetGSMValue(gid.x ^ 1) ? 9.99f : -9.99f;
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}
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else if (IsTest(1))
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{
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gsmData[gid.x] = (float)gid.x;
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gsmData[gid.x] += 10.0f;
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GroupMemoryBarrierWithGroupSync();
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outval.x = GetGSMValue(gid.x);
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outval.y = GetGSMValue(gid.x + 1);
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GroupMemoryBarrierWithGroupSync();
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gsmData[gid.x] += 10.0f;
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GroupMemoryBarrierWithGroupSync();
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outval.z = GetGSMValue(gid.x + 2);
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GroupMemoryBarrierWithGroupSync();
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gsmData[gid.x] += 10.0f;
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GroupMemoryBarrierWithGroupSync();
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outval.w = GetGSMValue(gid.x + 3);
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}
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else if (IsTest(2))
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{
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// Deliberately no sync to test debugger behaviour not GPU correctness
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// Debugger should see the initial value of 1.25f for all of GSM
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gsmData[gid.x] = (float)gid.x;
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outval.x = GetGSMValue(gid.x);
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outval.y = GetGSMValue(gid.x + 1);
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outval.z = GetGSMValue(gid.x + 2);
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outval.w = GetGSMValue(gid.x + 3);
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}
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else if (IsTest(3))
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{
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int value = (int)(indata[gid.x] * 100.0);
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gsmIntData[gid.x] = u;
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GroupMemoryBarrierWithGroupSync();
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InterlockedAdd(gsmIntData[u], value);
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InterlockedAdd(gsmIntData[u], -value);
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GroupMemoryBarrierWithGroupSync();
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outval.x = (float)GetGSMIntValue(u+0);
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outval.y = (float)GetGSMIntValue(u+1);
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outval.z = (float)GetGSMIntValue(u+2);
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outval.w = (float)GetGSMIntValue(u+3);
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}
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else if (IsTest(4))
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{
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int value = (int)(indata[gid.x] * 100.0);
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gsmIntData[gid.x] = u;
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GroupMemoryBarrierWithGroupSync();
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InterlockedAnd(gsmIntData[u], value);
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GroupMemoryBarrierWithGroupSync();
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outval.x = (float)GetGSMIntValue(u+0);
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outval.y = (float)GetGSMIntValue(u+1);
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outval.z = (float)GetGSMIntValue(u+2);
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outval.w = (float)GetGSMIntValue(u+3);
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}
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else if (IsTest(5))
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{
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int value = (int)(indata[gid.x] * 100.0);
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gsmIntData[gid.x] = u;
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GroupMemoryBarrierWithGroupSync();
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InterlockedOr(gsmIntData[u], value);
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GroupMemoryBarrierWithGroupSync();
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outval.x = (float)GetGSMIntValue(u+0);
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outval.y = (float)GetGSMIntValue(u+1);
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outval.z = (float)GetGSMIntValue(u+2);
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outval.w = (float)GetGSMIntValue(u+3);
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}
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else if (IsTest(6))
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{
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int value = (int)(indata[gid.x] * 100.0);
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gsmIntData[gid.x] = u;
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GroupMemoryBarrierWithGroupSync();
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InterlockedXor(gsmIntData[u], value);
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InterlockedXor(gsmIntData[u], value);
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GroupMemoryBarrierWithGroupSync();
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outval.x = (float)GetGSMIntValue(u+0);
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outval.y = (float)GetGSMIntValue(u+1);
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outval.z = (float)GetGSMIntValue(u+2);
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outval.w = (float)GetGSMIntValue(u+3);
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}
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else if (IsTest(7))
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{
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int value = (int)(indata[gid.x] * 100.0);
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gsmIntData[gid.x] = u;
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GroupMemoryBarrierWithGroupSync();
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InterlockedMin(gsmIntData[u], value);
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GroupMemoryBarrierWithGroupSync();
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outval.x = (float)GetGSMIntValue(u+0);
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outval.y = (float)GetGSMIntValue(u+1);
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outval.z = (float)GetGSMIntValue(u+2);
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outval.w = (float)GetGSMIntValue(u+3);
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}
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else if (IsTest(8))
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{
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int value = (int)(indata[gid.x] * 100.0);
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gsmIntData[gid.x] = u;
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GroupMemoryBarrierWithGroupSync();
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InterlockedMax(gsmIntData[u], value);
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GroupMemoryBarrierWithGroupSync();
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outval.x = (float)GetGSMIntValue(u+0);
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outval.y = (float)GetGSMIntValue(u+1);
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outval.z = (float)GetGSMIntValue(u+2);
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outval.w = (float)GetGSMIntValue(u+3);
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}
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else if (IsTest(9))
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{
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int value = (int)(indata[gid.x] * 100.0);
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gsmIntData[gid.x] = u;
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GroupMemoryBarrierWithGroupSync();
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int original;
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InterlockedExchange(gsmIntData[u], value, original);
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GroupMemoryBarrierWithGroupSync();
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outval.x = (float)GetGSMIntValue(u+0);
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outval.y = (float)GetGSMIntValue(u+1);
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outval.z = (float)GetGSMIntValue(u+2);
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outval.w = (float)GetGSMIntValue(u+3);
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}
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else if (IsTest(10))
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{
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int value = (int)(indata[gid.x] * 100.0);
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gsmIntData[gid.x] = u;
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GroupMemoryBarrierWithGroupSync();
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int original;
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InterlockedCompareExchange(gsmIntData[u], value, value+1, original);
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GroupMemoryBarrierWithGroupSync();
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outval.x = (float)GetGSMIntValue(u+0);
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outval.y = (float)GetGSMIntValue(u+1);
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outval.z = (float)GetGSMIntValue(u+2);
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outval.w = (float)GetGSMIntValue(u+3);
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}
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else if (IsTest(11))
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{
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int value = (int)(indata[gid.x] * 100.0);
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gsmIntData[gid.x] = u;
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GroupMemoryBarrierWithGroupSync();
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InterlockedCompareStore(gsmIntData[u], value, value+1);
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GroupMemoryBarrierWithGroupSync();
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outval.x = (float)GetGSMIntValue(u+0);
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outval.y = (float)GetGSMIntValue(u+1);
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outval.z = (float)GetGSMIntValue(u+2);
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outval.w = (float)GetGSMIntValue(u+3);
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}
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else if (IsTest(12))
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{
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GroupMemoryBarrierWithGroupSync();
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outval.x = gInt;
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GroupMemoryBarrierWithGroupSync();
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InterlockedAdd(gInt,1);
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GroupMemoryBarrierWithGroupSync();
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outval.y = gInt;
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GroupMemoryBarrierWithGroupSync();
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InterlockedAdd(gInt,1);
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GroupMemoryBarrierWithGroupSync();
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outval.z = gInt;
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GroupMemoryBarrierWithGroupSync();
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InterlockedAdd(gInt,1);
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GroupMemoryBarrierWithGroupSync();
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outval.w = gInt;
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}
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outdata[gid.x] = outval;
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}
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)EOSHADER";
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int main()
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{
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// initialise, create window, create device, etc
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if(!Init())
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return 3;
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ID3D12RootSignaturePtr rs = MakeSig({
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constParam(D3D12_SHADER_VISIBILITY_ALL, 0, 0, 1),
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uavParam(D3D12_SHADER_VISIBILITY_ALL, 0, 0),
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uavParam(D3D12_SHADER_VISIBILITY_ALL, 0, 1),
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});
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ID3DBlobPtr cs = Compile(comp, "main", "cs_5_0", CompileOptionFlags::SkipOptimise);
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ID3D12PipelineStatePtr pso50 = MakePSO().CS(cs).RootSig(rs);
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ID3D12PipelineStatePtr pso60;
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if(m_DXILSupport)
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{
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cs = Compile(comp, "main", "cs_6_0", CompileOptionFlags::SkipOptimise);
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pso60 = MakePSO().CS(cs).RootSig(rs);
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}
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float values[64];
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for(int i = 0; i < 64; i++)
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values[i] = RANDF(1.0f, 100.0f);
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ID3D12ResourcePtr inBuf = MakeBuffer().Data(values).UAV();
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ID3D12ResourcePtr outBuf = MakeBuffer().Size(sizeof(Vec4f) * 64 * 2).UAV();
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D3D12_GPU_DESCRIPTOR_HANDLE outUAVGPU =
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MakeUAV(outBuf).Format(DXGI_FORMAT_R32G32B32A32_FLOAT).CreateGPU(10);
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D3D12_CPU_DESCRIPTOR_HANDLE outUAVClearCPU =
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MakeUAV(outBuf).Format(DXGI_FORMAT_R32G32B32A32_FLOAT).CreateClearCPU(10);
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int numCompTests = 0;
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size_t pos = 0;
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while(pos != std::string::npos)
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{
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pos = comp.find("IsTest(", pos);
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if(pos == std::string::npos)
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break;
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pos += sizeof("IsTest(") - 1;
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numCompTests = std::max(numCompTests, atoi(comp.c_str() + pos) + 1);
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}
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while(Running())
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{
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ID3D12GraphicsCommandListPtr cmd = GetCommandBuffer();
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Reset(cmd);
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ID3D12ResourcePtr bb = StartUsingBackbuffer(cmd, D3D12_RESOURCE_STATE_RENDER_TARGET);
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cmd->SetDescriptorHeaps(1, &m_CBVUAVSRV.GetInterfacePtr());
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UINT zero[4] = {};
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D3D12_RECT rect = {0, 0, sizeof(Vec4f) * 64, 1};
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ClearRenderTargetView(cmd, BBRTV, {0.2f, 0.2f, 0.2f, 1.0f});
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cmd->SetComputeRootSignature(rs);
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cmd->SetComputeRootUnorderedAccessView(1, inBuf->GetGPUVirtualAddress());
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cmd->SetComputeRootUnorderedAccessView(2, outBuf->GetGPUVirtualAddress());
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pushMarker(cmd, "SM5");
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cmd->SetPipelineState(pso50);
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for(int i = 0; i < numCompTests; ++i)
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{
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ResourceBarrier(cmd);
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cmd->ClearUnorderedAccessViewUint(outUAVGPU, outUAVClearCPU, outBuf, zero, 1, &rect);
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ResourceBarrier(cmd);
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cmd->SetComputeRoot32BitConstant(0, i, 0);
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cmd->Dispatch(1, 1, 1);
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}
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popMarker(cmd);
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if(pso60)
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{
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pushMarker(cmd, "SM6");
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cmd->SetPipelineState(pso60);
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for(int i = 0; i < numCompTests; ++i)
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{
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ResourceBarrier(cmd);
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cmd->ClearUnorderedAccessViewUint(outUAVGPU, outUAVClearCPU, outBuf, zero, 1, &rect);
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ResourceBarrier(cmd);
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cmd->SetComputeRoot32BitConstant(0, i, 0);
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cmd->Dispatch(1, 1, 1);
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}
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popMarker(cmd);
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}
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FinishUsingBackbuffer(cmd, D3D12_RESOURCE_STATE_RENDER_TARGET);
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cmd->Close();
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SubmitAndPresent({cmd});
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}
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return 0;
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}
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};
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REGISTER_TEST();
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