blob: 61cb2e52ea1c2cc8d59aa107f8599160bdc7948d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
// bound-check-zero-index.slang
// Check 'zero indexing' bound check feature, supported by CPU and CUDA
// Currently zero index bound checking doesn't appear to be working properly for CUDA.
//TEST(compute):COMPARE_COMPUTE:-cuda -shaderobj -Xslang... -DSLANG_ENABLE_BOUND_ZERO_INDEX -X.
//TEST(compute):COMPARE_COMPUTE:-cpu -shaderobj -Xslang... -DSLANG_ENABLE_BOUND_ZERO_INDEX -X.
//TEST_INPUT:ubuffer(data=[1 2 3 4]):name=byteAddressBuffer
ByteAddressBuffer byteAddressBuffer;
//TEST_INPUT:ubuffer(data=[0x10 0x20 0x30 0x40]):name=rwByteAddressBuffer
RWByteAddressBuffer rwByteAddressBuffer;
//TEST_INPUT:ubuffer(data=[0x100 0x200 0x300 0x400], stride=4):name=structuredBuffer
StructuredBuffer<int> structuredBuffer;
//TEST_INPUT:ubuffer(data=[0x1000 0x2000 0x3000 0x4000], stride=4):name=rwStructuredBuffer
RWStructuredBuffer<int> rwStructuredBuffer;
//TEST_INPUT:ubuffer(data=[-1 -1 -1 -1], stride=4):out,name=outputBuffer
RWStructuredBuffer<int> outputBuffer;
//TEST_INPUT:ubuffer(data=[-1 -1 -1 -1], stride=4):out,name=outputBuffer2
RWStructuredBuffer<int> outputBuffer2;
[numthreads(4, 1, 1)]
void computeMain(int3 dispatchThreadID : SV_DispatchThreadID)
{
int tid = dispatchThreadID.x;
int fixedArray[3] = { 2, 5, 9};
int total = 0;
total += byteAddressBuffer.Load<int>(tid * 4);
total += byteAddressBuffer.Load<int>(-tid * 4);
total += rwByteAddressBuffer.Load<int>(tid * 4);
total += rwByteAddressBuffer.Load<int>(-tid * 4);
total += structuredBuffer[tid];
total += structuredBuffer[-tid];
total += rwStructuredBuffer[tid];
total += rwStructuredBuffer[-tid];
total += fixedArray[tid];
total += fixedArray[-tid];
outputBuffer[tid] = total;
// NOTE! Different threads could access this if being performed in parallel.
// So undeterministic if we write to same index (because out of range) when running in parallel
// By just adding one, all indices should be hit once
outputBuffer2[tid + 1] = total;
}
|
