Differential D3505 Diff 11480 source/blender/draw/engines/lanpr/shaders/lanpr_software_line_chain_geom.glsl

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source/blender/draw/engines/lanpr/shaders/lanpr_software_line_chain_geom.glsl

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				layout (lines) in;
				layout (triangle_strip, max_vertices = 6) out;


				uniform float thickness;
				uniform float thickness_crease;
				uniform float thickness_material;
				uniform float thickness_edge_mark;
				uniform float thickness_intersection;

				// implement these later.
				//uniform float depth_width_influence;
				//uniform float depth_width_curve;
				//uniform float depth_alpha_influence;
				//uniform float depth_alpha_curve;
				//uniform float zNear;
				//uniform float zFar;

				uniform vec4 color;
				uniform vec4 crease_color;
				uniform vec4 material_color;
				uniform vec4 edge_mark_color;
				uniform vec4 intersection_color;

				out vec4 out_color;

				float use_thickness;

				void draw_line(vec4 p1, vec4 p2){

				vec4 Line = p2-p1;
				vec4 Normal = normalize(vec4(-Line.y,Line.x,0,0));

				vec4 a,b,c,d;

				vec4 offset = Normaluse_thickness0.001;

				a = p1 + offset;
				b = p1 - offset;
				c = p2 + offset;
				d = p2 - offset;

				gl_Position = vec4(a.xy,0,1); EmitVertex();
				gl_Position = vec4(b.xy,0,1); EmitVertex();
				gl_Position = vec4(c.xy,0,1); EmitVertex();

				gl_Position = vec4(b.xy,0,1); EmitVertex();
				gl_Position = vec4(c.xy,0,1); EmitVertex();
				gl_Position = vec4(d.xy,0,1); EmitVertex();

				EndPrimitive();
				}

				void decide_color_and_thickness(float component_id){
				if(component_id < 1.5){ out_color = color; use_thickness = thickness; return; }
				if(component_id < 2.5){ out_color = crease_color; use_thickness = thickness * thickness_crease; return; }
				if(component_id < 3.5){ out_color = material_color; use_thickness = thickness * thickness_material; return; }
				if(component_id < 4.5){ out_color = edge_mark_color; use_thickness = thickness * thickness_edge_mark; return; }
				if(component_id < 5.5){ out_color = intersection_color; use_thickness = thickness * thickness_intersection; return; }
				}

				void main() {
				vec4 p1 = vec4(gl_in[0].gl_Position.xy,0,1);
				vec4 p2 = vec4(gl_in[1].gl_Position.xy,0,1);

				decide_color_and_thickness(gl_in[0].gl_Position.z);

				draw_line(p1,p2);
				}
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