Geometry Nodes: Add tooltips to primitive node inputs

Building on the work in rBef45399f3be0, this commits adds
tooltips to the inputs for the default primitives nodes.

Differential Revision: https://developer.blender.org/D12640

15 files changed, 254 insertions, 68 deletions

diff --git a/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_bezier_segment.cc b/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_bezier_segment.cc
index a755d47cc6a..673a5095044 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_bezier_segment.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_bezier_segment.cc
@@ -29,15 +29,27 @@ static void geo_node_curve_primitive_bezier_segment_declare(NodeDeclarationBuild
       .default_value(16)
       .min(1)
       .max(256)
-      .subtype(PROP_UNSIGNED);
+      .subtype(PROP_UNSIGNED)
+      .description(N_("The number of evaluated points on the curve"));
   b.add_input<decl::Vector>(N_("Start"))
       .default_value({-1.0f, 0.0f, 0.0f})
-      .subtype(PROP_TRANSLATION);
+      .subtype(PROP_TRANSLATION)
+      .description(N_("Position of the start control point of the curve"));
   b.add_input<decl::Vector>(N_("Start Handle"))
       .default_value({-0.5f, 0.5f, 0.0f})
-      .subtype(PROP_TRANSLATION);
-  b.add_input<decl::Vector>(N_("End Handle")).subtype(PROP_TRANSLATION);
-  b.add_input<decl::Vector>(N_("End")).default_value({1.0f, 0.0f, 0.0f}).subtype(PROP_TRANSLATION);
+      .subtype(PROP_TRANSLATION)
+      .description(
+          N_("Position of the start handle used to define the shape of the curve. In Offset mode, "
+             "relative to Start point"));
+  b.add_input<decl::Vector>(N_("End Handle"))
+      .subtype(PROP_TRANSLATION)
+      .description(
+          N_("Position of the end handle used to define the shape of the curve. In Offset mode, "
+             "relative to End point"));
+  b.add_input<decl::Vector>(N_("End"))
+      .default_value({1.0f, 0.0f, 0.0f})
+      .subtype(PROP_TRANSLATION)
+      .description(N_("Position of the end control point of the curve"));
   b.add_output<decl::Geometry>(N_("Curve"));
 }
 
diff --git a/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_circle.cc b/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_circle.cc
index bf4f22d6578..ffede480c75 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_circle.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_circle.cc
@@ -25,17 +25,34 @@ namespace blender::nodes {
 
 static void geo_node_curve_primitive_circle_declare(NodeDeclarationBuilder &b)
 {
-  b.add_input<decl::Int>(N_("Resolution")).default_value(32).min(3).max(512);
+  b.add_input<decl::Int>(N_("Resolution"))
+      .default_value(32)
+      .min(3)
+      .max(512)
+      .description(N_("Number of points on the circle"));
   b.add_input<decl::Vector>(N_("Point 1"))
       .default_value({-1.0f, 0.0f, 0.0f})
-      .subtype(PROP_TRANSLATION);
+      .subtype(PROP_TRANSLATION)
+      .description(
+          N_("One of the three points on the circle. The point order determines the circle's "
+             "direction"));
   b.add_input<decl::Vector>(N_("Point 2"))
       .default_value({0.0f, 1.0f, 0.0f})
-      .subtype(PROP_TRANSLATION);
+      .subtype(PROP_TRANSLATION)
+      .description(
+          N_("One of the three points on the circle. The point order determines the circle's "
+             "direction"));
   b.add_input<decl::Vector>(N_("Point 3"))
       .default_value({1.0f, 0.0f, 0.0f})
-      .subtype(PROP_TRANSLATION);
-  b.add_input<decl::Float>(N_("Radius")).default_value(1.0f).min(0.0f).subtype(PROP_DISTANCE);
+      .subtype(PROP_TRANSLATION)
+      .description(
+          N_("One of the three points on the circle. The point order determines the circle's "
+             "direction"));
+  b.add_input<decl::Float>(N_("Radius"))
+      .default_value(1.0f)
+      .min(0.0f)
+      .subtype(PROP_DISTANCE)
+      .description(N_("Distance of the points from the origin"));
   b.add_output<decl::Geometry>(N_("Curve"));
   b.add_output<decl::Vector>(N_("Center"));
 }
diff --git a/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_line.cc b/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_line.cc
index 5b215797052..37a5989d3f1 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_line.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_line.cc
@@ -25,10 +25,21 @@ namespace blender::nodes {
 
 static void geo_node_curve_primitive_line_declare(NodeDeclarationBuilder &b)
 {
-  b.add_input<decl::Vector>(N_("Start")).subtype(PROP_TRANSLATION);
-  b.add_input<decl::Vector>(N_("End")).default_value({0.0f, 0.0f, 1.0f}).subtype(PROP_TRANSLATION);
-  b.add_input<decl::Vector>(N_("Direction")).default_value({0.0f, 0.0f, 1.0f});
-  b.add_input<decl::Float>(N_("Length")).default_value(1.0f).subtype(PROP_DISTANCE);
+  b.add_input<decl::Vector>(N_("Start"))
+      .subtype(PROP_TRANSLATION)
+      .description(N_("Position of the first control point"));
+  b.add_input<decl::Vector>(N_("End"))
+      .default_value({0.0f, 0.0f, 1.0f})
+      .subtype(PROP_TRANSLATION)
+      .description(N_("Position of the second control point"));
+  b.add_input<decl::Vector>(N_("Direction"))
+      .default_value({0.0f, 0.0f, 1.0f})
+      .description(
+          N_("Direction the line is going in. The length of this vector does not matter"));
+  b.add_input<decl::Float>(N_("Length"))
+      .default_value(1.0f)
+      .subtype(PROP_DISTANCE)
+      .description(N_("Distance between the two points"));
   b.add_output<decl::Geometry>(N_("Curve"));
 }
 
diff --git a/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_quadratic_bezier.cc b/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_quadratic_bezier.cc
index 6041ddee02d..27bf4a310df 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_quadratic_bezier.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_quadratic_bezier.cc
@@ -25,14 +25,20 @@ static void geo_node_curve_primitive_quadratic_bezier_declare(NodeDeclarationBui
       .default_value(16)
       .min(3)
       .max(256)
-      .subtype(PROP_UNSIGNED);
+      .subtype(PROP_UNSIGNED)
+      .description(N_("The number of edges on the curve"));
   b.add_input<decl::Vector>(N_("Start"))
       .default_value({-1.0f, 0.0f, 0.0f})
-      .subtype(PROP_TRANSLATION);
+      .subtype(PROP_TRANSLATION)
+      .description(N_("Position of the first control point"));
   b.add_input<decl::Vector>(N_("Middle"))
       .default_value({0.0f, 2.0f, 0.0f})
-      .subtype(PROP_TRANSLATION);
-  b.add_input<decl::Vector>(N_("End")).default_value({1.0f, 0.0f, 0.0f}).subtype(PROP_TRANSLATION);
+      .subtype(PROP_TRANSLATION)
+      .description(N_("Position of the middle control point"));
+  b.add_input<decl::Vector>(N_("End"))
+      .default_value({1.0f, 0.0f, 0.0f})
+      .subtype(PROP_TRANSLATION)
+      .description(N_("Position of the last control point"));
   b.add_output<decl::Geometry>(N_("Curve"));
 }
 
diff --git a/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_quadrilateral.cc b/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_quadrilateral.cc
index 7260da05a8d..e00a502bf32 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_quadrilateral.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_quadrilateral.cc
@@ -23,31 +23,57 @@ namespace blender::nodes {
 
 static void geo_node_curve_primitive_quadrilateral_declare(NodeDeclarationBuilder &b)
 {
-  b.add_input<decl::Float>(N_("Width")).default_value(2.0f).min(0.0f).subtype(PROP_DISTANCE);
-  b.add_input<decl::Float>(N_("Height")).default_value(2.0f).min(0.0f).subtype(PROP_DISTANCE);
+  b.add_input<decl::Float>(N_("Width"))
+      .default_value(2.0f)
+      .min(0.0f)
+      .subtype(PROP_DISTANCE)
+      .description(N_("The X axis size of the shape"));
+  b.add_input<decl::Float>(N_("Height"))
+      .default_value(2.0f)
+      .min(0.0f)
+      .subtype(PROP_DISTANCE)
+      .description(N_("The Y axis size of the shape"));
   b.add_input<decl::Float>(N_("Bottom Width"))
       .default_value(4.0f)
       .min(0.0f)
-      .subtype(PROP_DISTANCE);
-  b.add_input<decl::Float>(N_("Top Width")).default_value(2.0f).min(0.0f).subtype(PROP_DISTANCE);
-  b.add_input<decl::Float>(N_("Offset")).default_value(1.0f).subtype(PROP_DISTANCE);
+      .subtype(PROP_DISTANCE)
+      .description(N_("The X axis size of the shape"));
+  b.add_input<decl::Float>(N_("Top Width"))
+      .default_value(2.0f)
+      .min(0.0f)
+      .subtype(PROP_DISTANCE)
+      .description(N_("The X axis size of the shape"));
+  b.add_input<decl::Float>(N_("Offset"))
+      .default_value(1.0f)
+      .subtype(PROP_DISTANCE)
+      .description(
+          N_("For Parallelogram, the relative X difference between the top and bottom edges. For "
+             "Trapezoid, the amount to move the top edge in the positive X axis"));
   b.add_input<decl::Float>(N_("Bottom Height"))
       .default_value(3.0f)
       .min(0.0f)
-      .subtype(PROP_DISTANCE);
-  b.add_input<decl::Float>(N_("Top Height")).default_value(1.0f).subtype(PROP_DISTANCE);
+      .subtype(PROP_DISTANCE)
+      .description(N_("The distance between the bottom point and the X axis"));
+  b.add_input<decl::Float>(N_("Top Height"))
+      .default_value(1.0f)
+      .subtype(PROP_DISTANCE)
+      .description(N_("The distance between the top point and the X axis"));
   b.add_input<decl::Vector>(N_("Point 1"))
       .default_value({-1.0f, -1.0f, 0.0f})
-      .subtype(PROP_DISTANCE);
+      .subtype(PROP_DISTANCE)
+      .description(N_("The exact location of the point to use"));
   b.add_input<decl::Vector>(N_("Point 2"))
       .default_value({1.0f, -1.0f, 0.0f})
-      .subtype(PROP_DISTANCE);
+      .subtype(PROP_DISTANCE)
+      .description(N_("The exact location of the point to use"));
   b.add_input<decl::Vector>(N_("Point 3"))
       .default_value({1.0f, 1.0f, 0.0f})
-      .subtype(PROP_DISTANCE);
+      .subtype(PROP_DISTANCE)
+      .description(N_("The exact location of the point to use"));
   b.add_input<decl::Vector>(N_("Point 4"))
       .default_value({-1.0f, 1.0f, 0.0f})
-      .subtype(PROP_DISTANCE);
+      .subtype(PROP_DISTANCE)
+      .description(N_("The exact location of the point to use"));
   b.add_output<decl::Geometry>(N_("Curve"));
 }
 
diff --git a/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_spiral.cc b/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_spiral.cc
index 1dc9cd7f107..2a872fd82cb 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_spiral.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_spiral.cc
@@ -26,12 +26,28 @@ static void geo_node_curve_primitive_spiral_declare(NodeDeclarationBuilder &b)
       .default_value(32)
       .min(1)
       .max(1024)
-      .subtype(PROP_UNSIGNED);
-  b.add_input<decl::Float>(N_("Rotations")).default_value(2.0f).min(0.0f);
-  b.add_input<decl::Float>(N_("Start Radius")).default_value(1.0f).subtype(PROP_DISTANCE);
-  b.add_input<decl::Float>(N_("End Radius")).default_value(2.0f).subtype(PROP_DISTANCE);
-  b.add_input<decl::Float>(N_("Height")).default_value(2.0f).subtype(PROP_DISTANCE);
-  b.add_input<decl::Bool>(N_("Reverse"));
+      .subtype(PROP_UNSIGNED)
+      .description(N_("Number of points in one rotation of the spiral"));
+  b.add_input<decl::Float>(N_("Rotations"))
+      .default_value(2.0f)
+      .min(0.0f)
+      .description(N_("Number of times the spiral makes a full rotation"));
+  b.add_input<decl::Float>(N_("Start Radius"))
+      .default_value(1.0f)
+      .subtype(PROP_DISTANCE)
+      .description(
+          N_("Horizontal Distance from the Z axis at the start of the spiral"));
+  b.add_input<decl::Float>(N_("End Radius"))
+      .default_value(2.0f)
+      .subtype(PROP_DISTANCE)
+      .description(
+          N_("Horizontal Distance from the Z axis at the end of the spiral"));
+  b.add_input<decl::Float>(N_("Height"))
+      .default_value(2.0f)
+      .subtype(PROP_DISTANCE)
+      .description(N_("The height perpendicular to the base of the spiral"));
+  b.add_input<decl::Bool>(N_("Reverse"))
+      .description(N_("Switch the direction from clockwise to counterclockwise"));
   b.add_output<decl::Geometry>(N_("Curve"));
 }
 
diff --git a/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_star.cc b/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_star.cc
index b5bafce17c6..7f682b198b3 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_star.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_star.cc
@@ -22,16 +22,25 @@ namespace blender::nodes {
 
 static void geo_node_curve_primitive_star_declare(NodeDeclarationBuilder &b)
 {
-  b.add_input<decl::Int>(N_("Points")).default_value(8).min(3).max(256).subtype(PROP_UNSIGNED);
+  b.add_input<decl::Int>(N_("Points"))
+      .default_value(8)
+      .min(3)
+      .max(256)
+      .subtype(PROP_UNSIGNED)
+      .description(N_("Number of points on each of the circles"));
   b.add_input<decl::Float>(N_("Inner Radius"))
       .default_value(1.0f)
       .min(0.0f)
-      .subtype(PROP_DISTANCE);
+      .subtype(PROP_DISTANCE)
+      .description(N_("Radius of the inner circle; can be larger than outer radius"));
   b.add_input<decl::Float>(N_("Outer Radius"))
       .default_value(2.0f)
       .min(0.0f)
-      .subtype(PROP_DISTANCE);
-  b.add_input<decl::Float>(N_("Twist")).subtype(PROP_ANGLE);
+      .subtype(PROP_DISTANCE)
+      .description(N_("Radius of the outer circle; can be smaller than inner radius"));
+  b.add_input<decl::Float>(N_("Twist"))
+      .subtype(PROP_ANGLE)
+      .description(N_("The counterclockwise rotation of the inner set of points"));
   b.add_output<decl::Geometry>(N_("Curve"));
 }
 
diff --git a/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_circle.cc b/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_circle.cc
index 685a8faff5c..f1f95be107a 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_circle.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_circle.cc
@@ -29,8 +29,15 @@ namespace blender::nodes {
 
 static void geo_node_mesh_primitive_circle_declare(NodeDeclarationBuilder &b)
 {
-  b.add_input<decl::Int>(N_("Vertices")).default_value(32).min(3);
-  b.add_input<decl::Float>(N_("Radius")).default_value(1.0f).min(0.0f).subtype(PROP_DISTANCE);
+  b.add_input<decl::Int>(N_("Vertices"))
+      .default_value(32)
+      .min(3)
+      .description(N_("Number of vertices on the circle"));
+  b.add_input<decl::Float>(N_("Radius"))
+      .default_value(1.0f)
+      .min(0.0f)
+      .subtype(PROP_DISTANCE)
+      .description(N_("Distance of the vertices from the origin"));
   b.add_output<decl::Geometry>(N_("Mesh"));
 }
 
diff --git a/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_cone.cc b/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_cone.cc
index 206d48d40c8..77dfeed6cbb 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_cone.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_cone.cc
@@ -29,15 +29,35 @@ namespace blender::nodes {
 
 static void geo_node_mesh_primitive_cone_declare(NodeDeclarationBuilder &b)
 {
-  b.add_input<decl::Int>(N_("Vertices")).default_value(32).min(3).max(512);
-  b.add_input<decl::Int>(N_("Side Segments")).default_value(1).min(1).max(512);
-  b.add_input<decl::Int>(N_("Fill Segments")).default_value(1).min(1).max(512);
-  b.add_input<decl::Float>(N_("Radius Top")).min(0.0f).subtype(PROP_DISTANCE);
+  b.add_input<decl::Int>(N_("Vertices"))
+      .default_value(32)
+      .min(3)
+      .max(512)
+      .description(N_("Number of points on the circle at the top and bottom"));
+  b.add_input<decl::Int>(N_("Side Segments"))
+      .default_value(1)
+      .min(1)
+      .max(512)
+      .description(N_("The number of edges running vertically along the side of the cone"));
+  b.add_input<decl::Int>(N_("Fill Segments"))
+      .default_value(1)
+      .min(1)
+      .max(512)
+      .description(N_("Number of concentric rings used to fill the round face"));
+  b.add_input<decl::Float>(N_("Radius Top"))
+      .min(0.0f)
+      .subtype(PROP_DISTANCE)
+      .description(N_("Radius of the top circle of the cone"));
   b.add_input<decl::Float>(N_("Radius Bottom"))
       .default_value(1.0f)
       .min(0.0f)
-      .subtype(PROP_DISTANCE);
-  b.add_input<decl::Float>(N_("Depth")).default_value(2.0f).min(0.0f).subtype(PROP_DISTANCE);
+      .subtype(PROP_DISTANCE)
+      .description(N_("Radius of the bottom circle of the cone"));
+  b.add_input<decl::Float>(N_("Depth"))
+      .default_value(2.0f)
+      .min(0.0f)
+      .subtype(PROP_DISTANCE)
+      .description(N_("Height of the generated cone"));
   b.add_output<decl::Geometry>(N_("Mesh"));
 }
 
diff --git a/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_cube.cc b/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_cube.cc
index 3a211993bdc..b5903f7b71e 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_cube.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_cube.cc
@@ -29,10 +29,23 @@ static void geo_node_mesh_primitive_cube_declare(NodeDeclarationBuilder &b)
   b.add_input<decl::Vector>(N_("Size"))
       .default_value(float3(1))
       .min(0.0f)
-      .subtype(PROP_TRANSLATION);
-  b.add_input<decl::Int>(N_("Vertices X")).default_value(2).min(2).max(1000);
-  b.add_input<decl::Int>(N_("Vertices Y")).default_value(2).min(2).max(1000);
-  b.add_input<decl::Int>(N_("Vertices Z")).default_value(2).min(2).max(1000);
+      .subtype(PROP_TRANSLATION)
+      .description(N_("Side length along each axis"));
+  b.add_input<decl::Int>(N_("Vertices X"))
+      .default_value(2)
+      .min(2)
+      .max(1000)
+      .description(N_("Number of vertices for the X side of the shape"));
+  b.add_input<decl::Int>(N_("Vertices Y"))
+      .default_value(2)
+      .min(2)
+      .max(1000)
+      .description(N_("Number of vertices for the Y side of the shape"));
+  b.add_input<decl::Int>(N_("Vertices Z"))
+      .default_value(2)
+      .min(2)
+      .max(1000)
+      .description(N_("Number of vertices for the Z side of the shape"));
   b.add_output<decl::Geometry>(N_("Mesh"));
 }
 
diff --git a/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_cylinder.cc b/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_cylinder.cc
index 3bcf42b40b1..6edc9714f42 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_cylinder.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_cylinder.cc
@@ -33,17 +33,17 @@ static void geo_node_mesh_primitive_cylinder_declare(NodeDeclarationBuilder &b)
       .default_value(32)
       .min(3)
       .max(512)
-      .description(N_("The number of vertices around the circumference"));
+      .description(N_("The number of vertices on the top and bottom circles"));
   b.add_input<decl::Int>(N_("Side Segments"))
       .default_value(1)
       .min(1)
       .max(512)
-      .description(N_("The number of segments along the side"));
+      .description(N_("The number of rectangular segments along each side"));
   b.add_input<decl::Int>(N_("Fill Segments"))
       .default_value(1)
       .min(1)
       .max(512)
-      .description(N_("The number of concentric segments of the fill"));
+      .description(N_("The number of concentric rings used to fill the round faces"));
   b.add_input<decl::Float>(N_("Radius"))
       .default_value(1.0f)
       .min(0.0f)
@@ -53,7 +53,7 @@ static void geo_node_mesh_primitive_cylinder_declare(NodeDeclarationBuilder &b)
       .default_value(2.0f)
       .min(0.0f)
       .subtype(PROP_DISTANCE)
-      .description(N_("The height of the cylinder on the Z axis"));
+      .description(N_("The height of the cylinder"));
   b.add_output<decl::Geometry>(N_("Mesh"));
 }
 
diff --git a/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_grid.cc b/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_grid.cc
index c4e476981c1..73c679e18f8 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_grid.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_grid.cc
@@ -29,10 +29,26 @@ namespace blender::nodes {
 
 static void geo_node_mesh_primitive_grid_declare(NodeDeclarationBuilder &b)
 {
-  b.add_input<decl::Float>(N_("Size X")).default_value(1.0f).min(0.0f).subtype(PROP_DISTANCE);
-  b.add_input<decl::Float>(N_("Size Y")).default_value(1.0f).min(0.0f).subtype(PROP_DISTANCE);
-  b.add_input<decl::Int>(N_("Vertices X")).default_value(3).min(2).max(1000);
-  b.add_input<decl::Int>(N_("Vertices Y")).default_value(3).min(2).max(1000);
+  b.add_input<decl::Float>(N_("Size X"))
+      .default_value(1.0f)
+      .min(0.0f)
+      .subtype(PROP_DISTANCE)
+      .description(N_("Side length of the plane in the X direction"));
+  b.add_input<decl::Float>(N_("Size Y"))
+      .default_value(1.0f)
+      .min(0.0f)
+      .subtype(PROP_DISTANCE)
+      .description(N_("Side length of the plane in the Y direction"));
+  b.add_input<decl::Int>(N_("Vertices X"))
+      .default_value(3)
+      .min(2)
+      .max(1000)
+      .description(N_("Number of vertices in the X direction"));
+  b.add_input<decl::Int>(N_("Vertices Y"))
+      .default_value(3)
+      .min(2)
+      .max(1000)
+      .description(N_("Number of vertices in the Y direction"));
   b.add_output<decl::Geometry>(N_("Mesh"));
 }
 
diff --git a/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_ico_sphere.cc b/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_ico_sphere.cc
index da3dfef3aea..f49cc5e7e18 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_ico_sphere.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_ico_sphere.cc
@@ -28,8 +28,16 @@ namespace blender::nodes {
 
 static void geo_node_mesh_primitive_ico_sphere_declare(NodeDeclarationBuilder &b)
 {
-  b.add_input<decl::Float>(N_("Radius")).default_value(1.0f).min(0.0f).subtype(PROP_DISTANCE);
-  b.add_input<decl::Int>(N_("Subdivisions")).default_value(1).min(1).max(7);
+  b.add_input<decl::Float>(N_("Radius"))
+      .default_value(1.0f)
+      .min(0.0f)
+      .subtype(PROP_DISTANCE)
+      .description(N_("Distance from the generated points to the origin"));
+  b.add_input<decl::Int>(N_("Subdivisions"))
+      .default_value(1)
+      .min(1)
+      .max(7)
+      .description(N_("Number of subdivisions on top of the basic icosahedron"));
   b.add_output<decl::Geometry>(N_("Mesh"));
 }
 
diff --git a/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_line.cc b/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_line.cc
index 6515afe5966..df4efb2427c 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_line.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_line.cc
@@ -29,12 +29,25 @@ namespace blender::nodes {
 
 static void geo_node_mesh_primitive_line_declare(NodeDeclarationBuilder &b)
 {
-  b.add_input<decl::Int>(N_("Count")).default_value(10).min(1).max(10000);
-  b.add_input<decl::Float>(N_("Resolution")).default_value(1.0f).min(0.1f).subtype(PROP_DISTANCE);
-  b.add_input<decl::Vector>(N_("Start Location")).subtype(PROP_TRANSLATION);
+  b.add_input<decl::Int>(N_("Count"))
+      .default_value(10)
+      .min(1)
+      .max(10000)
+      .description(N_("Number of vertices on the line"));
+  b.add_input<decl::Float>(N_("Resolution"))
+      .default_value(1.0f)
+      .min(0.1f)
+      .subtype(PROP_DISTANCE)
+      .description(N_("Length of each individual edge"));
+  b.add_input<decl::Vector>(N_("Start Location"))
+      .subtype(PROP_TRANSLATION)
+      .description(N_("Position of the first vertex"));
   b.add_input<decl::Vector>(N_("Offset"))
       .default_value({0.0f, 0.0f, 1.0f})
-      .subtype(PROP_TRANSLATION);
+      .subtype(PROP_TRANSLATION)
+      .description(N_(
+          "In offset mode, the distance between each socket on each axis. In end points mode, the "
+          "position of the final vertex"));
   b.add_output<decl::Geometry>(N_("Mesh"));
 }
 
diff --git a/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_uv_sphere.cc b/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_uv_sphere.cc
index 54a762fc15d..3197a94c27b 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_uv_sphere.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_mesh_primitive_uv_sphere.cc
@@ -29,9 +29,21 @@ namespace blender::nodes {
 
 static void geo_node_mesh_primitive_uv_shpere_declare(NodeDeclarationBuilder &b)
 {
-  b.add_input<decl::Int>(N_("Segments")).default_value(32).min(3).max(1024);
-  b.add_input<decl::Int>(N_("Rings")).default_value(16).min(2).max(1024);
-  b.add_input<decl::Float>(N_("Radius")).default_value(1.0f).min(0.0f).subtype(PROP_DISTANCE);
+  b.add_input<decl::Int>(N_("Segments"))
+      .default_value(32)
+      .min(3)
+      .max(1024)
+      .description(N_("Horizontal resolution of the sphere"));
+  b.add_input<decl::Int>(N_("Rings"))
+      .default_value(16)
+      .min(2)
+      .max(1024)
+      .description(N_("The number of horizontal rings"));
+  b.add_input<decl::Float>(N_("Radius"))
+      .default_value(1.0f)
+      .min(0.0f)
+      .subtype(PROP_DISTANCE)
+      .description(N_("Distance from the generated points to the origin"));
   b.add_output<decl::Geometry>(N_("Mesh"));
 }