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
|
//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK):-vk -shaderobj -emit-spirv-directly -output-using-type
//TEST_INPUT:ubuffer(data=[1 2 3 4], stride=4):out,name=outputBuffer
RWStructuredBuffer<int> outputBuffer;
// CHECK: 8
// CHECK-NEXT: 13
// CHECK-NEXT: 18
// CHECK-NEXT: 23
//
// This test tests the __truncate operator
//
[numthreads(4, 1, 1)]
void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
{
int i = dispatchThreadID.x;
int n = outputBuffer[i];
int scalar = n;
// 1-vectors are not valid in SPIR-V
// vector<int, 1> vector1 = vector<int, 1>(n);
vector<int, 4> vector4 = n + vector<int, 4>(0,1,2,3);
//int expected = 0 + n + n + (n + (n+1) + (n+2));
int r = 0;
spirv_asm
{
// scalar to scalar
__truncate $$int %a1 $$int $scalar;
%r1 : $$int = OpIAdd %a1 $r;
// scalar to 1-vector
// __truncate $$vector<int,1> %a2 $$int $scalar;
// %x1 : $$int = OpCompositeExtract %a2 0;
// %r2 : $$int = OpIAdd %x1 %r1;
%r2 : $$int = OpCopyObject %r1;
// 1-vector to scalar
// __truncate $$int %a3 $$vector<int,1> $vector1;
// %r3 : $$int = OpIAdd %a3 %r2;
%r3 : $$int = OpCopyObject %r2;
// n-vector to scalar
__truncate $$int %a4 $$vector<int,4> $vector4;
%r4 : $$int = OpIAdd %a4 %r3;
// n-vector to m-vector
__truncate $$vector<int,3> %a5 $$vector<int,4> $vector4;
%x2 : $$int = OpCompositeExtract %a5 0;
%x3 : $$int = OpCompositeExtract %a5 1;
%x4 : $$int = OpCompositeExtract %a5 2;
%r5 : $$int = OpIAdd %x2 %r4;
%r6 : $$int = OpIAdd %x3 %r5;
%r7 : $$int = OpIAdd %x4 %r6;
OpStore &r %r7
};
outputBuffer[i] = r;
}
|
