Differential D6296 Diff 20005 source/blender/draw/engines/overlay/shaders/motion_path_line_geom.glsl

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source/blender/draw/engines/overlay/shaders/motion_path_line_geom.glsl

This file was moved from source/blender/draw/modes/shaders/animviz_mpath_lines_geom.glsl.


	layout(lines) in;			layout(lines) in;
	layout(triangle_strip, max_vertices = 4) out;			layout(triangle_strip, max_vertices = 4) out;

	uniform mat4 ProjectionMatrix;
	uniform vec2 viewportSize;
	uniform int lineThickness = 2;			uniform int lineThickness = 2;

	in vec4 finalColor_geom[];			in vec4 finalColor_geom[];
	in vec2 ssPos[];			in vec2 ssPos[];

	out vec4 finalColor;			out vec4 finalColor;

	vec2 compute_dir(vec2 v0, vec2 v1)			vec2 compute_dir(vec2 v0, vec2 v1)
	{			{
	vec2 dir = normalize(v1 - v0 + 1e-8);			vec2 dir = normalize(v1 - v0 + 1e-8);
	dir = vec2(-dir.y, dir.x);			dir = vec2(-dir.y, dir.x);
	return dir;			return dir;
	}			}

	void main(void)			void main(void)
	{			{
	vec2 t;			vec2 t;
	vec2 edge_dir = compute_dir(ssPos[0], ssPos[1]) / viewportSize;			vec2 edge_dir = compute_dir(ssPos[0], ssPos[1]) * sizeViewportInv.xy;

	bool is_persp = (ProjectionMatrix[3][3] == 0.0);			bool is_persp = (ProjectionMatrix[3][3] == 0.0);
				float line_size = float(lineThickness) * sizePixel;

				#ifdef USE_WORLD_CLIP_PLANES
				world_clip_planes_set_clip_distance(gl_in[0].gl_ClipDistance);
				#endif
	finalColor = finalColor_geom[0];			finalColor = finalColor_geom[0];
	t = edge_dir * (float(lineThickness) * (is_persp ? gl_in[0].gl_Position.w : 1.0));			t = edge_dir * (line_size * (is_persp ? gl_in[0].gl_Position.w : 1.0));
	gl_Position = gl_in[0].gl_Position + vec4(t, 0.0, 0.0);			gl_Position = gl_in[0].gl_Position + vec4(t, 0.0, 0.0);
	EmitVertex();			EmitVertex();
	gl_Position = gl_in[0].gl_Position - vec4(t, 0.0, 0.0);			gl_Position = gl_in[0].gl_Position - vec4(t, 0.0, 0.0);
	EmitVertex();			EmitVertex();

				#ifdef USE_WORLD_CLIP_PLANES
				world_clip_planes_set_clip_distance(gl_in[1].gl_ClipDistance);
				#endif
	finalColor = finalColor_geom[1];			finalColor = finalColor_geom[1];
	t = edge_dir * (float(lineThickness) * (is_persp ? gl_in[1].gl_Position.w : 1.0));			t = edge_dir * (line_size * (is_persp ? gl_in[1].gl_Position.w : 1.0));
	gl_Position = gl_in[1].gl_Position + vec4(t, 0.0, 0.0);			gl_Position = gl_in[1].gl_Position + vec4(t, 0.0, 0.0);
	EmitVertex();			EmitVertex();
	gl_Position = gl_in[1].gl_Position - vec4(t, 0.0, 0.0);			gl_Position = gl_in[1].gl_Position - vec4(t, 0.0, 0.0);
	EmitVertex();			EmitVertex();
	EndPrimitive();			EndPrimitive();
	}			}