Campbell Barton
e12c08e8d1
Apply clang format as proposed in T53211. For details on usage and instructions for migrating branches without conflicts, see: https://wiki.blender.org/wiki/Tools/ClangFormat
43 lines
1.0 KiB
GLSL
43 lines
1.0 KiB
GLSL
|
|
layout(lines) in;
|
|
layout(triangle_strip, max_vertices = 4) out;
|
|
|
|
uniform mat4 ProjectionMatrix;
|
|
uniform vec2 viewportSize;
|
|
uniform int lineThickness = 2;
|
|
|
|
in vec4 finalColor_geom[];
|
|
in vec2 ssPos[];
|
|
|
|
out vec4 finalColor;
|
|
|
|
vec2 compute_dir(vec2 v0, vec2 v1)
|
|
{
|
|
vec2 dir = normalize(v1 - v0 + 1e-8);
|
|
dir = vec2(-dir.y, dir.x);
|
|
return dir;
|
|
}
|
|
|
|
void main(void)
|
|
{
|
|
vec2 t;
|
|
vec2 edge_dir = compute_dir(ssPos[0], ssPos[1]) / viewportSize;
|
|
|
|
bool is_persp = (ProjectionMatrix[3][3] == 0.0);
|
|
|
|
finalColor = finalColor_geom[0];
|
|
t = edge_dir * (float(lineThickness) * (is_persp ? gl_in[0].gl_Position.w : 1.0));
|
|
gl_Position = gl_in[0].gl_Position + vec4(t, 0.0, 0.0);
|
|
EmitVertex();
|
|
gl_Position = gl_in[0].gl_Position - vec4(t, 0.0, 0.0);
|
|
EmitVertex();
|
|
|
|
finalColor = finalColor_geom[1];
|
|
t = edge_dir * (float(lineThickness) * (is_persp ? gl_in[1].gl_Position.w : 1.0));
|
|
gl_Position = gl_in[1].gl_Position + vec4(t, 0.0, 0.0);
|
|
EmitVertex();
|
|
gl_Position = gl_in[1].gl_Position - vec4(t, 0.0, 0.0);
|
|
EmitVertex();
|
|
EndPrimitive();
|
|
}
|