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
|
#version 460
#extension GL_NV_ray_tracing : enable
#extension GL_EXT_ray_query : enable
struct Ray
{
vec3 pos;
float tmin;
vec3 dir;
float tmax;
};
layout(binding = 0, set = 0) uniform accelerationStructureEXT rtas;
layout(std430, set = 0, binding = 2) buffer Rays { Ray rays[]; };
uint launchIndex()
{
return gl_LaunchIDNV.z*gl_LaunchSizeNV.x*gl_LaunchSizeNV.y + gl_LaunchIDNV.y*gl_LaunchSizeNV.x + gl_LaunchIDNV.x;
}
void doInitialize(rayQueryEXT rayQuery, Ray ray)
{
rayQueryInitializeEXT(rayQuery, rtas, gl_RayFlagsNoneEXT, gl_RayFlagsCullBackFacingTrianglesEXT, ray.pos, ray.tmin, ray.dir, ray.tmax);
}
void main()
{
uint index = launchIndex();
Ray ray = rays[index];
rayQueryEXT rayQuery;
doInitialize(rayQuery, ray);
rayQueryInitializeEXT(rayQuery, rtas, gl_RayFlagsOpaqueEXT, gl_RayFlagsCullFrontFacingTrianglesEXT, ray.pos, ray.tmin, ray.dir, ray.tmax);
}
|
