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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
//TEST(compute):COMPARE_COMPUTE_EX:-cpu -compute -shaderobj
//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj
//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -dx12 -shaderobj
//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj
//TEST(compute):COMPARE_COMPUTE_EX:-cuda -compute -shaderobj
//TEST(compute):COMPARE_COMPUTE_EX:-mtl -compute -shaderobj
//TEST_INPUT:ubuffer(data=[0 0 0 0 0 0 0 0 0 0 0 0], stride=4):out,name outputBuffer
RWStructuredBuffer<int> outputBuffer;
[numthreads(4, 1, 1)]
void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
{
const int id = asint(dispatchThreadID.x);
{
int4 i4 = int4(id, id + 1, id + 2, id + 3);
// Identity - int vector
i4 = asint(i4);
uint3 u3 = asuint(i4.xyz);
// Identity - uint vec
u3 = asuint(u3);
int2 i2 = asint(u3.xy);
uint u1 = asuint(i2.x);
// Identity - uint scalar
u1 = asuint(u1);
outputBuffer[id + 0] = int(u1);
}
{
uint v = asuint(id);
uint4 u4 = uint4(v, v + 1, v + 2, v + 3);
int3 i3 = asint(u4.xyz);
uint2 u2 = asuint(i3.xy);
int i1 = asint(u2.x);
// Identity - int scalar
i1 = asint(i1);
outputBuffer[id + 4] = i1;
}
{
// Make i4 holds id as floats so we know they are valid float values and not denormals
int4 i4 = int4(asint(float(id)), asint(float(id + 1)), asint(float(id + 2)), asint(float(id + 3)));
float4 f4 = asfloat(asfloat(i4));
// Identity - float vector
f4 = asfloat(f4);
uint3 u3 = asuint(f4.xyz);
float2 f2 = asfloat(u3.xy);
uint u1 = asuint(f2.x);
float f1 = asfloat(asfloat(u1));
// Identity - float scalar
f1 = asfloat(f1);
int i1 = asint(f1);
float f1_ = asfloat(i1);
int i1_ = asint(f1_);
outputBuffer[id + 8] = (int)asfloat(i1_);
}
}
|
