Differential D6296 Diff 19803 source/blender/draw/engines/overlay/shaders/wireframe_geom.glsl

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

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


	/* This shader is only used for edge selection and OSX workaround for large wires. */			/* This shader is only used for edge selection and OSX workaround for large wires. */

	uniform float wireSize;
	uniform vec2 viewportSize;
	uniform vec2 viewportSizeInv;

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

	in float facing_g[];			in vec3 finalColor_g[];
	in float edgeSharpness_g[];			in float edgeSharpness_g[];

	#ifndef SELECT_EDGES			#ifndef SELECT_EDGES
	out float facing;			out vec3 finalColor;
	flat out float edgeSharpness;			flat out float edgeSharpness;
	#endif			#endif

	void do_vertex(const int i, float coord, vec2 offset)			void do_vertex(const int i, float coord, vec2 offset)
	{			{
	#ifndef SELECT_EDGES			#ifndef SELECT_EDGES
	edgeSharpness = edgeSharpness_g[i];			edgeSharpness = edgeSharpness_g[i];
	facing = facing_g[i];			finalColor = finalColor_g[i];
	#endif			#endif
	gl_Position = gl_in[i].gl_Position;			gl_Position = gl_in[i].gl_Position;
	/* Multiply offset by 2 because gl_Position range is [-1..1]. */			/* Multiply offset by 2 because gl_Position range is [-1..1]. */
	gl_Position.xy += offset * 2.0 * gl_Position.w;			gl_Position.xy += offset * 2.0 * gl_Position.w;
	#ifdef USE_WORLD_CLIP_PLANES			#ifdef USE_WORLD_CLIP_PLANES
	world_clip_planes_set_clip_distance(gl_in[i].gl_ClipDistance);			world_clip_planes_set_clip_distance(gl_in[i].gl_ClipDistance);
	#endif			#endif
	EmitVertex();			EmitVertex();
	}			}

	void main()			void main()
	{			{
	vec2 ss_pos[2];			vec2 ss_pos[2];
	ss_pos[0] = gl_in[0].gl_Position.xy / gl_in[0].gl_Position.w;			ss_pos[0] = gl_in[0].gl_Position.xy / gl_in[0].gl_Position.w;
	ss_pos[1] = gl_in[1].gl_Position.xy / gl_in[1].gl_Position.w;			ss_pos[1] = gl_in[1].gl_Position.xy / gl_in[1].gl_Position.w;

	vec2 line = ss_pos[0] - ss_pos[1];			vec2 line = ss_pos[0] - ss_pos[1];
	line = abs(line) * viewportSize;			line = abs(line) * sizeViewport.xy;

	float half_size = wireSize;			float half_size = sizePixel * 0.5;

	vec3 edge_ofs = half_size * viewportSizeInv.xyy * vec3(1.0, 1.0, 0.0);			vec3 edge_ofs = half_size * sizeViewportInv.xyy * vec3(1.0, 1.0, 0.0);

	bool horizontal = line.x > line.y;			bool horizontal = line.x > line.y;
	edge_ofs = (horizontal) ? edge_ofs.zyz : edge_ofs.xzz;			edge_ofs = (horizontal) ? edge_ofs.zyz : edge_ofs.xzz;

	if (edgeSharpness_g[0] < 0.0) {			if (edgeSharpness_g[0] < 0.0) {
	return;			return;
	}			}

	do_vertex(0, half_size, edge_ofs.xy);			do_vertex(0, half_size, edge_ofs.xy);
	do_vertex(0, -half_size, -edge_ofs.xy);			do_vertex(0, -half_size, -edge_ofs.xy);
	do_vertex(1, half_size, edge_ofs.xy);			do_vertex(1, half_size, edge_ofs.xy);
	do_vertex(1, -half_size, -edge_ofs.xy);			do_vertex(1, -half_size, -edge_ofs.xy);

	EndPrimitive();			EndPrimitive();
	}			}