yum-mirror/slang

Making it easier to work with shaders

git clone https://git.yummers.dev/yum-mirror/slang

Yong HeDiagnose on use of struct inheritance. (#7419)4ae6e9d8b

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1// struct-inheritance.slang
2
3//TEST(compute):COMPARE_COMPUTE: -shaderobj
4//TEST(compute):COMPARE_COMPUTE: -vk -shaderobj
5
6// Test that we can define a `struct` type
7// that inherits from another `struct`.
8
9#pragma warning(disable:30816)
10
11struct Base
12{
13	int a;
14
15	int tweakBase(int val) { return val ^ a; }
16}
17
18struct Derived : Base
19{
20	int b;
21
22	int tweakDerived(int val) { return tweakBase(val) + b; }
23}
24
25int tweak(Base b, int v)
26{
27	return b.tweakBase(v);
28}
29
30//TEST_INPUT:cbuffer(data=[1 2]):name=C
31cbuffer C
32{
33	int x;
34	int y;
35}
36
37int test(int val)
38{
39	Derived d;// = { x, y };
40	d.a = x;
41	d.b = y;
42
43	int result = 0;
44	result = result*16 + d.a;
45	result = result*16 + d.tweakBase(val);
46	result = result*16 + tweak(d, val);
47	result = result*16 + d.tweakDerived(val);
48	return result;
49}
50
51//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
52RWStructuredBuffer<int> outputBuffer;
53
54[numthreads(4, 1, 1)]
55void computeMain(int3 dispatchThreadID : SV_DispatchThreadID)
56{
57    int tid = dispatchThreadID.x;
58    int inVal = tid;
59    int outVal = test(inVal);
60    outputBuffer[tid] = outVal;
61}