diff options
Diffstat (limited to 'modules/lightmapper_rd/lm_compute.glsl')
| -rw-r--r-- | modules/lightmapper_rd/lm_compute.glsl | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/modules/lightmapper_rd/lm_compute.glsl b/modules/lightmapper_rd/lm_compute.glsl index eb9d817f99..9ca40535f9 100644 --- a/modules/lightmapper_rd/lm_compute.glsl +++ b/modules/lightmapper_rd/lm_compute.glsl @@ -10,7 +10,7 @@ light_probes = "#define MODE_LIGHT_PROBES"; #version 450 -VERSION_DEFINES +#VERSION_DEFINES // One 2D local group focusing in one layer at a time, though all // in parallel (no barriers) makes more sense than a 3D local group @@ -96,15 +96,22 @@ params; bool ray_hits_triangle(vec3 from, vec3 dir, float max_dist, vec3 p0, vec3 p1, vec3 p2, out float r_distance, out vec3 r_barycentric) { const vec3 e0 = p1 - p0; const vec3 e1 = p0 - p2; - vec3 triangleNormal = cross(e1, e0); + vec3 triangle_normal = cross(e1, e0); - const vec3 e2 = (1.0 / dot(triangleNormal, dir)) * (p0 - from); + float n_dot_dir = dot(triangle_normal, dir); + + if (abs(n_dot_dir) < 0.01) { + return false; + } + + const vec3 e2 = (p0 - from) / n_dot_dir; const vec3 i = cross(dir, e2); r_barycentric.y = dot(i, e1); r_barycentric.z = dot(i, e0); r_barycentric.x = 1.0 - (r_barycentric.z + r_barycentric.y); - r_distance = dot(triangleNormal, e2); + r_distance = dot(triangle_normal, e2); + return (r_distance > params.bias) && (r_distance < max_dist) && all(greaterThanEqual(r_barycentric, vec3(0.0))); } @@ -307,8 +314,6 @@ void main() { continue; } - d /= lights.data[i].range; - attenuation = get_omni_attenuation(d, 1.0 / lights.data[i].range, lights.data[i].attenuation); if (lights.data[i].type == LIGHT_TYPE_SPOT) { @@ -410,7 +415,7 @@ void main() { uint tidx; vec3 barycentric; - vec3 light; + vec3 light = vec3(0.0); if (trace_ray(position + ray_dir * params.bias, position + ray_dir * length(params.world_size), tidx, barycentric)) { //hit a triangle vec2 uv0 = vertices.data[triangles.data[tidx].indices.x].uv; @@ -419,8 +424,8 @@ void main() { vec3 uvw = vec3(barycentric.x * uv0 + barycentric.y * uv1 + barycentric.z * uv2, float(triangles.data[tidx].slice)); light = textureLod(sampler2DArray(source_light, linear_sampler), uvw, 0.0).rgb; - } else { - //did not hit a triangle, reach out for the sky + } else if (params.env_transform[0][3] == 0.0) { // Use env_transform[0][3] to indicate when we are computing the first bounce + // Did not hit a triangle, reach out for the sky vec3 sky_dir = normalize(mat3(params.env_transform) * ray_dir); vec2 st = vec2( |