yum-mirror/slang

Making it easier to work with shaders

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

Tim FoleyRemove old code paths from render-test (#1760)6e5d85efb

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1.3 KiB60 linesraw
1// interface-shader-param-legalization.slang
2
3// Test case where concrete type implementing
4// an interface has resource-type fields nested in it.
5
6//DISABLED_TEST(compute):COMPARE_COMPUTE_EX:-slang -compute
7
8interface IModifier
9{
10    int modify(int val);
11}
12
13// Note: a constant buffer for the global scope gets introduced
14// at this point, since `gModifier` introduces uniform storage
15// for the RTTI, witness table, and "any value" parts of the
16// existential.
17//
18//TEST_INPUT:cbuffer(data=[1 2 3 4 5 6 7 8], stride=4):
19uniform IModifier gModifier;
20
21int test(
22    int val)
23{
24    return gModifier.modify(val);
25}
26
27
28//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out
29RWStructuredBuffer<int> gOutputBuffer;
30
31[numthreads(4, 1, 1)]
32void computeMain(
33    uint3       dispatchThreadID : SV_DispatchThreadID)
34{
35    let tid = dispatchThreadID.x;
36
37    let inputVal : int = tid;
38    let outputVal = test(inputVal);
39
40    gOutputBuffer[tid] = outputVal;
41}
42
43// Now that we've define all the logic of the entry point,
44// we will define some concrete types that we can plug
45// in for the interface-type parameters.
46
47struct ConcreteData
48{
49    int offset;
50}
51
52struct ConcreteModifier : IModifier
53{
54    ConstantBuffer<ConcreteData> data;
55
56    int modify(int val) { return val + data.offset; }
57}
58
59//TEST_INPUT: globalExistentialType ConcreteModifier
60//TEST_INPUT:cbuffer(data=[256], stride=4):out