orcaslicer/resources/shaders/mm_gouraud_wireframe.vs
lane.wei a9a228d071 ENH: wireframe: refine the rendering logic under paint
1. remove wireframe in 3d view, only keep in paint;
2. pass barycentric_coordinates from outside
3. add shortcut hints

Change-Id: I911e5cdf3475926d9527dc0839fdce072ed54746
(cherry picked from commit 6e16d0ccfb71741e55daabd757be9f9e7613e695)
2022-12-15 04:33:48 -05:00

43 lines
1.4 KiB
GLSL

#version 110
const vec3 ZERO = vec3(0.0, 0.0, 0.0);
attribute vec3 v_position;
attribute vec3 v_barycentric;
uniform mat4 volume_world_matrix;
// Clipping plane, x = min z, y = max z. Used by the FFF and SLA previews to clip with a top / bottom plane.
uniform vec2 z_range;
// Clipping plane - general orientation. Used by the SLA gizmo.
uniform vec4 clipping_plane;
varying vec3 clipping_planes_dots;
varying vec4 model_pos;
varying vec3 barycentric_coordinates;
struct SlopeDetection
{
bool actived;
float normal_z;
mat3 volume_world_normal_matrix;
};
uniform SlopeDetection slope;
void main()
{
//model_pos = gl_Vertex;
model_pos = vec4(v_position, 1.0);
// Point in homogenous coordinates.
//vec4 world_pos = volume_world_matrix * gl_Vertex;
vec4 world_pos = volume_world_matrix * model_pos;
//gl_Position = ftransform();
gl_Position = gl_ModelViewProjectionMatrix * vec4(v_position.x, v_position.y, v_position.z, 1.0);
// Fill in the scalars for fragment shader clipping. Fragments with any of these components lower than zero are discarded.
clipping_planes_dots = vec3(dot(world_pos, clipping_plane), world_pos.z - z_range.x, z_range.y - world_pos.z);
//compute the Barycentric Coordinates
//int vertexMod3 = gl_VertexID % 3;
//barycentric_coordinates = vec3(float(vertexMod3 == 0), float(vertexMod3 == 1), float(vertexMod3 == 2));
barycentric_coordinates = v_barycentric;
}