Differential D6296 Diff 20013 source/blender/gpu/shaders/gpu_shader_2D_line_dashed_frag.glsl

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source/blender/gpu/shaders/gpu_shader_2D_line_dashed_frag.glsl

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	uniform float dash_factor; /* if > 1.0, solid line. */			uniform float dash_factor; /* if > 1.0, solid line. */

	/* More advanced mode, allowing for complex, multi-colored patterns.			/* More advanced mode, allowing for complex, multi-colored patterns.
	* Enabled when colors_len > 0. */			* Enabled when colors_len > 0. */
	/* Note: max number of steps/colors in pattern is 32! */			/* Note: max number of steps/colors in pattern is 32! */
	uniform int colors_len; /* Enabled if > 0, 1 for solid line. */			uniform int colors_len; /* Enabled if > 0, 1 for solid line. */
	uniform vec4 colors[32];			uniform vec4 colors[32];

	noperspective in float distance_along_line;			flat in vec4 color_vert;
	noperspective in vec4 color_geom;
				noperspective in vec2 stipple_pos;
				flat in vec2 stipple_start;

	out vec4 fragColor;			out vec4 fragColor;

	void main()			void main()
	{			{
				float distance_along_line = distance(stipple_pos, stipple_start);
	/* Multi-color option. */			/* Multi-color option. */
	if (colors_len > 0) {			if (colors_len > 0) {
	/* Solid line case, simple. */			/* Solid line case, simple. */
	if (colors_len == 1) {			if (colors_len == 1) {
	fragColor = colors[0];			fragColor = colors[0];
	}			}
	/* Actually dashed line... */			/* Actually dashed line... */
	else {			else {
	float normalized_distance = fract(distance_along_line / dash_width);			float normalized_distance = fract(distance_along_line / dash_width);
	fragColor = colors[int(normalized_distance * colors_len)];			fragColor = colors[int(normalized_distance * colors_len)];
	}			}
	}			}
	/* Single color option. */			/* Single color option. */
	else {			else {
	/* Solid line case, simple. */			/* Solid line case, simple. */
	if (dash_factor >= 1.0f) {			if (dash_factor >= 1.0f) {
	fragColor = color_geom;			fragColor = color_vert;
	}			}
	/* Actually dashed line... */			/* Actually dashed line... */
	else {			else {
	float normalized_distance = fract(distance_along_line / dash_width);			float normalized_distance = fract(distance_along_line / dash_width);
	if (normalized_distance <= dash_factor) {			if (normalized_distance <= dash_factor) {
	fragColor = color_geom;			fragColor = color_vert;
	}			}
	else {			else {
	discard;			discard;
	}			}
	}			}
	}			}
	}			}