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GPv3: Curve to Mesh node #113659

Manually merged
Dalai Felinto merged 86 commits from dfelinto/blender:grease-nodes-curve-to-mesh into main 2023-10-16 11:49:25 +02:00
Conversation 2 Commits 86 Files Changed 230 +12 -1
1 changed files with 12 additions and 1 deletions
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13
source/blender/draw/engines/eevee_next/shaders/eevee_surf_lib.glsl
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@ -12,6 +12,16 @@
#if defined(USE_BARYCENTRICS) && defined(GPU_FRAGMENT_SHADER) && defined(MAT_GEOM_MESH)
vec3 barycentric_distances_get()
{
# if defined(GPU_METAL)
/* Calculate Barycentric distances from available parameters in Metal. */
float wp_delta = length(dfdx(interp.P)) + length(dfdy(interp.P));
float bc_delta = length(dfdx(gpu_BaryCoord)) + length(dfdy(gpu_BaryCoord));
float rate_of_change = wp_delta / bc_delta;
vec3 dists;
dists.x = rate_of_change * (1.0 - gpu_BaryCoord.x);
dists.y = rate_of_change * (1.0 - gpu_BaryCoord.y);
dists.z = rate_of_change * (1.0 - gpu_BaryCoord.z);
# elif
/* NOTE: No need to undo perspective divide since it has not been applied. */
vec3 pos0 = (ProjectionMatrixInverse * gpu_position_at_vertex(0)).xyz;
vec3 pos1 = (ProjectionMatrixInverse * gpu_position_at_vertex(1)).xyz;
@ -29,7 +39,8 @@ vec3 barycentric_distances_get()
dists.y = sqrt(dot(edge10, edge10) - d * d);
d = dot(d10, edge21);
dists.z = sqrt(dot(edge21, edge21) - d * d);
return dists.xyz;
# endif
return dists;
}
#endif