Differential D12886 Diff 43733 source/blender/gpu/shaders/gpu_shader_2D_nodelink_vert.glsl

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source/blender/gpu/shaders/gpu_shader_2D_nodelink_vert.glsl

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#ifdef USE_INSTANCE		#ifdef USE_INSTANCE
/* Instance attrs. */		/* Instance attrs. */
in vec2 P0;		in vec2 P0;
in vec2 P1;		in vec2 P1;
in vec2 P2;		in vec2 P2;
in vec2 P3;		in vec2 P3;
in ivec4 colid_doarrow;		in ivec4 colid_doarrow;
		in vec4 start_color;
		in vec4 end_color;
in ivec2 domuted;		in ivec2 domuted;
in float dim_factor;		in float dim_factor;
in float thickness;		in float thickness;
in float dash_factor;		in float dash_factor;
		in float dash_alpha;

uniform vec4 colors[6];		uniform vec4 colors[6];

# define colStart colors[colid_doarrow[0]]		# define colStart (colid_doarrow[0] < 3 ? start_color : colors[colid_doarrow[0]])
# define colEnd colors[colid_doarrow[1]]		# define colEnd (colid_doarrow[1] < 3 ? end_color : colors[colid_doarrow[1]])
# define colShadow colors[colid_doarrow[2]]		# define colShadow colors[colid_doarrow[2]]
# define doArrow (colid_doarrow[3] != 0)		# define doArrow (colid_doarrow[3] != 0)
# define doMuted (domuted[0] != 0)		# define doMuted (domuted[0] != 0)

#else		#else
/* Single curve drawcall, use uniform. */		/* Single curve drawcall, use uniform. */
uniform vec2 bezierPts[4];		uniform vec2 bezierPts[4];

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uniform float arrowSize;		uniform float arrowSize;
uniform mat4 ModelViewProjectionMatrix;		uniform mat4 ModelViewProjectionMatrix;

out float colorGradient;		out float colorGradient;
out vec4 finalColor;		out vec4 finalColor;
out float lineU;		out float lineU;
flat out float lineLength;		flat out float lineLength;
flat out float dashFactor;		flat out float dashFactor;
		flat out float dashAlpha;
flat out int isMainLine;		flat out int isMainLine;

		/* Define where along the noodle the gradient will starts and ends.
		HooglyBooglyUnsubmitted Done Inline Actions These two comments "cause some visual shift issue" are very vague, I have no idea what that is supposed to mean. @Juanfran Matheu (jfmatheu), could you describe what you meant here in a little more detail? "cause" is also incorrect grammar, it should say "because of". HooglyBoogly: These two comments "cause some visual shift issue" are very vague, I have no idea what that is…
		* Use 0.25 instead of 0.35-0.65, because of a visual shift issue. */
		const float start_gradient_threshold = 0.25;
		const float end_gradient_threshold = 0.55;

void main(void)		void main(void)
{		{
/* Parameters for the dashed line. */		/* Parameters for the dashed line. */
isMainLine = expand.y != 1.0 ? 0 : 1;		isMainLine = expand.y != 1.0 ? 0 : 1;
dashFactor = dash_factor;		dashFactor = dash_factor;
		dashAlpha = dash_alpha;
/* Approximate line length, no need for real bezier length calculation. */		/* Approximate line length, no need for real bezier length calculation. */
lineLength = distance(P0, P3);		lineLength = distance(P0, P3);
/* TODO: Incorrect U, this leads to non-uniform dash distribution. */		/* TODO: Incorrect U, this leads to non-uniform dash distribution. */
lineU = uv.x;		lineU = uv.x;

float t = uv.x;		float t = uv.x;
float t2 = t * t;		float t2 = t * t;
float t2_3 = 3.0 * t2;		float t2_3 = 3.0 * t2;
Show All 25 Lines	void main(void)
colorGradient = expand_dist;		colorGradient = expand_dist;

if (gl_VertexID < MID_VERTEX) {		if (gl_VertexID < MID_VERTEX) {
/* Shadow pass */		/* Shadow pass */
finalColor = colShadow;		finalColor = colShadow;
}		}
else {		else {
/* Second pass */		/* Second pass */
finalColor = mix(colStart, colEnd, uv.x);		if (uv.x < start_gradient_threshold) {
		finalColor = colStart;
		}
		else if (uv.x > end_gradient_threshold) {
		finalColor = colEnd;
		}
		else {
		/* Add 0.1 to avoid a visual shift issue. */
		finalColor = mix(colStart, colEnd, uv.x + 0.1);
		}
expand_dist *= 0.5;		expand_dist *= 0.5;
if (doMuted) {		if (doMuted) {
finalColor[3] = 0.65;		finalColor[3] = 0.65;
}		}
}		}

finalColor[3] *= dim_factor;		finalColor[3] *= dim_factor;

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