yum-mirror/slang

Making it easier to work with shaders

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

Darren WihandiAdd `vk::offset` to specify member offsets for push constants (#6797)62baf92a5

master
branchesmasterall refs →
1.0 KiB42 linesraw
1//TEST:SIMPLE(filecheck=CHECK_SPV): -target spirv -emit-spirv-directly -entry vertexMain -stage vertex
2//TEST:SIMPLE(filecheck=CHECK_SPV): -target spirv -emit-spirv-via-glsl -entry vertexMain -stage vertex
3//TEST:SIMPLE(filecheck=CHECK_GLSL): -target glsl -entry vertexMain -stage vertex
4
5struct S1
6{
7    [[vk::offset(32)]]
8    float2 a;
9
10    float3 b;
11
12    [[vk::offset(16)]]
13    float4 c;
14  }
15
16[[vk::push_constant]]
17S1 pc;
18
19struct VertexOutput
20{
21    float3 position : SV_Position;
22}
23
24// CHECK_SPV: OpDecorate [[STRUCT:%[a-zA-Z0-9_]+]] Block
25// CHECK_SPV-NEXT: OpMemberDecorate [[STRUCT]] 0 Offset 32
26// CHECK_SPV-NEXT: OpMemberDecorate [[STRUCT]] 1 Offset 48
27// CHECK_SPV-NEXT: OpMemberDecorate [[STRUCT]] 2 Offset 16
28
29// CHECK_GLSL: layout(std430) uniform
30// CHECK_GLSL-NEXT: {
31// CHECK_GLSL-NEXT: layout(offset = 32) vec2 a
32// CHECK_GLSL-NEXT: vec3 b
33// CHECK_GLSL-NEXT: layout(offset = 16) vec4 c
34
35[shader("vertex")]
36VertexOutput vertexMain()
37{
38    VertexOutput output;
39    output.position = float3(pc.a.x, pc.b.y, pc.c.z);
40    return output;
41}
42