Differential D6296 Diff 19950 source/blender/draw/engines/overlay/shaders/motion_path_line_vert.glsl

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

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


	uniform mat4 ViewMatrix;			uniform ivec4 mpathLineSettings;
	uniform mat4 ViewProjectionMatrix;
	uniform vec2 viewportSize;

	uniform int frameCurrent;
	uniform int frameStart;
	uniform int frameEnd;
	uniform int cacheStart;
	uniform bool selected;			uniform bool selected;
	uniform bool useCustomColor;
	uniform vec3 customColor;			uniform vec3 customColor;

				#define frameCurrent mpathLineSettings.x
				#define frameStart mpathLineSettings.y
				#define frameEnd mpathLineSettings.z
				#define cacheStart mpathLineSettings.w

	in vec3 pos;			in vec3 pos;

	out vec2 ssPos;			out vec2 ssPos;
	out vec4 finalColor_geom;			out vec4 finalColor_geom;

	/* project to screen space */			/* project to screen space */
	vec2 proj(vec4 pos)			vec2 proj(vec4 pos)
	{			{
	return (0.5 * (pos.xy / pos.w) + 0.5) * viewportSize;			return (0.5 * (pos.xy / pos.w) + 0.5) * sizeViewport.xy;
	}			}

	#define SET_INTENSITY(A, B, C, min, max) \			#define SET_INTENSITY(A, B, C, min, max) \
	(((1.0 - (float(C - B) / float(C - A))) * (max - min)) + min)			(((1.0 - (float(C - B) / float(C - A))) * (max - min)) + min)

	void main()			void main()
	{			{
	gl_Position = ViewProjectionMatrix * vec4(pos, 1.0);			gl_Position = ViewProjectionMatrix * vec4(pos, 1.0);

	ssPos = proj(gl_Position);			ssPos = proj(gl_Position);

	int frame = gl_VertexID + cacheStart;			int frame = gl_VertexID + cacheStart;

	float intensity; /* how faint */			float intensity; /* how faint */

	vec3 blend_base = (abs(frame - frameCurrent) == 1) ?			vec3 blend_base = (abs(frame - frameCurrent) == 1) ?
	colorCurrentFrame.rgb :			colorCurrentFrame.rgb :
	colorBackground.rgb; /* "bleed" cframe color to ease color blending */			colorBackground.rgb; /* "bleed" cframe color to ease color blending */
				bool use_custom_color = customColor.x >= 0.0;
	/* TODO: We might want something more consistent with custom color and standard colors. */			/* TODO: We might want something more consistent with custom color and standard colors. */
	if (frame < frameCurrent) {			if (frame < frameCurrent) {
	if (useCustomColor) {			if (use_custom_color) {
	/* Custom color: previous frames color is darker than current frame */			/* Custom color: previous frames color is darker than current frame */
	finalColor_geom.rgb = customColor * 0.25;			finalColor_geom.rgb = customColor * 0.25;
	}			}
	else {			else {
	/* black - before frameCurrent */			/* black - before frameCurrent */
	if (selected) {			if (selected) {
	intensity = SET_INTENSITY(frameStart, frame, frameCurrent, 0.25, 0.75);			intensity = SET_INTENSITY(frameStart, frame, frameCurrent, 0.25, 0.75);
	}			}
	else {			else {
	intensity = SET_INTENSITY(frameStart, frame, frameCurrent, 0.68, 0.92);			intensity = SET_INTENSITY(frameStart, frame, frameCurrent, 0.68, 0.92);
	}			}
	finalColor_geom.rgb = mix(colorWire.rgb, blend_base, intensity);			finalColor_geom.rgb = mix(colorWire.rgb, blend_base, intensity);
	}			}
	}			}
	else if (frame > frameCurrent) {			else if (frame > frameCurrent) {
	if (useCustomColor) {			if (use_custom_color) {
	/* Custom color: next frames color is equal to user selected color */			/* Custom color: next frames color is equal to user selected color */
	finalColor_geom.rgb = customColor;			finalColor_geom.rgb = customColor;
	}			}
	else {			else {
	/* blue - after frameCurrent */			/* blue - after frameCurrent */
	if (selected) {			if (selected) {
	intensity = SET_INTENSITY(frameCurrent, frame, frameEnd, 0.25, 0.75);			intensity = SET_INTENSITY(frameCurrent, frame, frameEnd, 0.25, 0.75);
	}			}
	else {			else {
	intensity = SET_INTENSITY(frameCurrent, frame, frameEnd, 0.68, 0.92);			intensity = SET_INTENSITY(frameCurrent, frame, frameEnd, 0.68, 0.92);
	}			}

	finalColor_geom.rgb = mix(colorBonePose.rgb, blend_base, intensity);			finalColor_geom.rgb = mix(colorBonePose.rgb, blend_base, intensity);
	}			}
	}			}
	else {			else {
	if (useCustomColor) {			if (use_custom_color) {
	/* Custom color: current frame color is slightly darker than user selected color */			/* Custom color: current frame color is slightly darker than user selected color */
	finalColor_geom.rgb = customColor * 0.5;			finalColor_geom.rgb = customColor * 0.5;
	}			}
	else {			else {
	/* green - on frameCurrent */			/* green - on frameCurrent */
	if (selected) {			if (selected) {
	intensity = 0.5f;			intensity = 0.5f;
	}			}
	else {			else {
	intensity = 0.99f;			intensity = 0.99f;
	}			}
	finalColor_geom.rgb = clamp(			finalColor_geom.rgb = clamp(
	mix(colorCurrentFrame.rgb, colorBackground.rgb, intensity) - 0.1, 0.0, 0.1);			mix(colorCurrentFrame.rgb, colorBackground.rgb, intensity) - 0.1, 0.0, 0.1);
	}			}
	}			}

	finalColor_geom.a = 1.0;			finalColor_geom.a = 1.0;

				#ifdef USE_WORLD_CLIP_PLANES
				world_clip_planes_calc_clip_distance(pos);
				#endif
	}			}