yum-mirror/slang

Making it easier to work with shaders

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

ArielG-NVImprove Direct SPIRV Backend Test Coverage (#4396)fdef653ab

master
branchesmasterall refs →
2.1 KiB76 linesraw
1//TEST:SIMPLE(filecheck=SPIRV):-target spirv-assembly -entry fragmentMain -stage fragment -emit-spirv-via-glsl
2//TEST:SIMPLE(filecheck=SPIRV):-target spirv -entry fragmentMain -stage fragment
3//DISABLED_TEST:SIMPLE(filecheck=SPIRV):-target spirv-assembly -entry fragmentMain -stage fragment -DENABLE_CLAMP -emit-spirv-directly
4//DISABLED_TEST:SIMPLE(filecheck=DXIL):-target dxil-assembly -entry fragmentMain -stage fragment
5//TEST:SIMPLE(filecheck=HLSL):-target hlsl -entry fragmentMain -stage fragment
6
7// TODO: The SPIRV test is fine locally, but seems to lead to an impossible to debug hang in CI
8
9//DISABLED_TEST:SIMPLE:-target spirv-assembly -entry fragmentMain -stage fragment
10//DISABLED_TEST:SIMPLE:-target dxil-assembly -entry fragmentMain -stage fragment
11//DISABLED_TEST:SIMPLE:-target hlsl -entry fragmentMain -stage fragment
12
13// In order to make sure that all of the data produced in each
14// query is referenced (and thus cannot be DCE'd away), we maintain
15// single accumulator that will have the bits of each query result
16// mixed into it.
17
18void accumulate(inout uint r, uint u)
19{
20    r = r ^ u;
21}
22
23void accumulate(inout uint r, bool b)
24{
25    accumulate(r, uint(b));
26}
27
28void accumulate(inout uint r, uint2 u)
29{
30    accumulate(r, u.x);
31    accumulate(r, u.y);
32}
33
34void accumulate(inout uint r, uint3 u)
35{
36    accumulate(r, u.x);
37    accumulate(r, u.y);
38    accumulate(r, u.z);
39}
40
41void accumulate(inout uint r, TextureFootprint2D f)
42{
43    accumulate(r, f.anchor);
44    accumulate(r, f.offset);
45    accumulate(r, f.mask);
46    accumulate(r, f.lod);
47    accumulate(r, f.granularity);
48    accumulate(r, f.isSingleLevel);
49}
50
51uniform Texture2D texture;
52uniform SamplerState sampler;
53uniform RWStructuredBuffer<uint> outputBuffer;
54
55cbuffer Uniforms
56{
57    uniform float2 coords;
58    uniform uint granularity;
59};
60
61void fragmentMain(
62    float v : VARYING)
63{
64    uint index = uint(v);
65    uint r = 0;
66
67    accumulate(r, texture.queryFootprintCoarse(granularity, sampler, coords));
68
69// SPIRV: OpExtension "SPV_NV_shader_image_footprint"
70// SPIRV: OpImageSampleFootprintNV
71
72// HLSL: NvFootprintCoarse
73
74    outputBuffer[index] = r;
75}
76