mirror of
https://github.com/RPCS3/glslang.git
synced 2024-11-24 11:50:06 +00:00
213 lines
5.4 KiB
GLSL
213 lines
5.4 KiB
GLSL
#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(std430, set = 0, binding = 0) buffer Log
|
|
{
|
|
uint x;
|
|
uint y;
|
|
};
|
|
|
|
layout(binding = 1, set = 0) uniform accelerationStructureEXT rtas;
|
|
layout(std430, set = 0, binding = 2) buffer Rays { Ray rays[]; };
|
|
|
|
void doSomething()
|
|
{
|
|
x = 0;
|
|
y = 0;
|
|
}
|
|
|
|
Ray makeRayDesc()
|
|
{
|
|
Ray ray;
|
|
ray.pos= vec3(0,0,0);
|
|
ray.dir = vec3(1,0,0);
|
|
ray.tmin = 0.0f;
|
|
ray.tmax = 9999.0;
|
|
return ray;
|
|
}
|
|
|
|
void main()
|
|
{
|
|
Ray ray = makeRayDesc();
|
|
rayQueryEXT rayQuery;
|
|
rayQueryInitializeEXT(rayQuery, rtas, gl_RayFlagsNoneEXT, 0xFF, ray.pos, ray.tmin, ray.dir, ray.tmax);
|
|
|
|
mat4x3 _mat4x3;
|
|
mat3x4 _mat3x4;
|
|
|
|
while (rayQueryProceedEXT(rayQuery))
|
|
{
|
|
uint candidateType = rayQueryGetIntersectionTypeEXT(rayQuery, false);
|
|
switch(candidateType)
|
|
{
|
|
case gl_RayQueryCandidateIntersectionTriangleEXT:
|
|
|
|
rayQueryTerminateEXT(rayQuery);
|
|
_mat4x3 = rayQueryGetIntersectionObjectToWorldEXT(rayQuery, false);
|
|
_mat3x4 = transpose(_mat4x3);
|
|
rayQueryConfirmIntersectionEXT(rayQuery);
|
|
|
|
if (rayQueryGetIntersectionFrontFaceEXT(rayQuery, true))
|
|
{
|
|
doSomething();
|
|
}
|
|
|
|
if (rayQueryGetIntersectionBarycentricsEXT(rayQuery, true).x == 0)
|
|
{
|
|
doSomething();
|
|
}
|
|
|
|
if (rayQueryGetIntersectionInstanceCustomIndexEXT(rayQuery, true) > 0)
|
|
{
|
|
doSomething();
|
|
}
|
|
|
|
if (rayQueryGetIntersectionInstanceIdEXT(rayQuery, true) > 0)
|
|
{
|
|
doSomething();
|
|
}
|
|
|
|
if (rayQueryGetIntersectionObjectRayDirectionEXT(rayQuery, true).x > 0)
|
|
{
|
|
doSomething();
|
|
}
|
|
|
|
if (rayQueryGetIntersectionObjectRayOriginEXT(rayQuery, true).x > 0)
|
|
{
|
|
doSomething();
|
|
}
|
|
|
|
if (rayQueryGetIntersectionPrimitiveIndexEXT(rayQuery, true) > 0)
|
|
{
|
|
doSomething();
|
|
}
|
|
|
|
if (rayQueryGetIntersectionTEXT(rayQuery, true) > 0.f)
|
|
{
|
|
doSomething();
|
|
}
|
|
|
|
if (rayQueryGetIntersectionInstanceShaderBindingTableRecordOffsetEXT(rayQuery, true) > 0)
|
|
{
|
|
doSomething();
|
|
}
|
|
break;
|
|
|
|
case gl_RayQueryCandidateIntersectionAABBEXT:
|
|
{
|
|
_mat4x3 = rayQueryGetIntersectionObjectToWorldEXT(rayQuery, false);
|
|
_mat3x4 = transpose(_mat4x3);
|
|
if (rayQueryGetIntersectionCandidateAABBOpaqueEXT(rayQuery))
|
|
{
|
|
doSomething();
|
|
}
|
|
|
|
float t = 0.5;
|
|
rayQueryGenerateIntersectionEXT(rayQuery, t);
|
|
rayQueryTerminateEXT(rayQuery);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(_mat3x4[0][0] == _mat4x3[0][0])
|
|
{
|
|
doSomething();
|
|
}
|
|
|
|
uint committedStatus = rayQueryGetIntersectionTypeEXT(rayQuery, true);
|
|
|
|
switch(committedStatus)
|
|
{
|
|
case gl_RayQueryCommittedIntersectionNoneEXT :
|
|
_mat4x3 = rayQueryGetIntersectionWorldToObjectEXT(rayQuery, false);
|
|
_mat3x4 = transpose(_mat4x3);
|
|
break;
|
|
|
|
case gl_RayQueryCommittedIntersectionTriangleEXT :
|
|
_mat4x3 = rayQueryGetIntersectionWorldToObjectEXT(rayQuery, true);
|
|
_mat3x4 = transpose(_mat4x3);
|
|
|
|
if (rayQueryGetIntersectionFrontFaceEXT(rayQuery, true))
|
|
{
|
|
doSomething();
|
|
}
|
|
|
|
if (rayQueryGetIntersectionBarycentricsEXT(rayQuery, true).y == 0)
|
|
{
|
|
doSomething();
|
|
}
|
|
break;
|
|
|
|
case gl_RayQueryCommittedIntersectionGeneratedEXT :
|
|
|
|
if(rayQueryGetIntersectionGeometryIndexEXT(rayQuery, true) > 0)
|
|
{
|
|
doSomething();
|
|
}
|
|
|
|
if(rayQueryGetIntersectionInstanceIdEXT(rayQuery, true) > 0)
|
|
{
|
|
doSomething();
|
|
}
|
|
|
|
if(rayQueryGetIntersectionInstanceCustomIndexEXT(rayQuery, true) > 0)
|
|
{
|
|
doSomething();
|
|
}
|
|
|
|
if(rayQueryGetIntersectionObjectRayDirectionEXT(rayQuery, true).z > 0)
|
|
{
|
|
doSomething();
|
|
}
|
|
|
|
if(rayQueryGetIntersectionObjectRayOriginEXT(rayQuery, true).x > 0)
|
|
{
|
|
doSomething();
|
|
}
|
|
|
|
if(rayQueryGetIntersectionPrimitiveIndexEXT(rayQuery, true) > 0)
|
|
{
|
|
doSomething();
|
|
}
|
|
|
|
if(rayQueryGetIntersectionTEXT(rayQuery, true) > 0.f)
|
|
{
|
|
doSomething();
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (_mat3x4[0][0] == _mat4x3[0][0])
|
|
{
|
|
doSomething();
|
|
}
|
|
|
|
if (rayQueryGetRayFlagsEXT(rayQuery) > 0)
|
|
{
|
|
doSomething();
|
|
}
|
|
|
|
if (rayQueryGetRayTMinEXT(rayQuery) > 0.0)
|
|
{
|
|
doSomething();
|
|
}
|
|
|
|
vec3 o = rayQueryGetWorldRayOriginEXT(rayQuery);
|
|
vec3 d = rayQueryGetWorldRayDirectionEXT(rayQuery);
|
|
|
|
if (o.x == d.z)
|
|
{
|
|
doSomething();
|
|
}
|
|
}
|