Add intensity uniform param. (4e374ba3) · Commits · e / os / android_frameworks_libs_systemui

weathereffects/graphics/assets/shaders/fog_effect.agsl

+3 −2

Original line number	Diff line number	Diff line
		@@ -25,6 +25,7 @@ uniform half timeBackground;
		uniform half screenAspectRatio;
		uniform half2 screenSize;
		uniform half pixelDensity;
		uniform half intensity;

		#include "shaders/constants.agsl"
		#include "shaders/utils.agsl"
		@@ -59,11 +60,11 @@ vec4 main(float2 fragCoord) {

		float dither = 1. - triangleNoise(fragCoord * pixelDensity) * 0.161;

		color.rgb = normalBlendWithWhiteSrc(color.rgb, 0.8 * dither * bgdFog);
		color.rgb = normalBlendWithWhiteSrc(color.rgb, 0.8 * dither * bgdFog * intensity);
		// Add the foreground. Any effect from here will be in front of the subject.
		color.rgb = normalBlend(color.rgb, colorForeground.rgb, colorForeground.a);
		// foreground fog.
		color.rgb = normalBlendWithWhiteSrc(color.rgb, 0.5 * frontFog);
		color.rgb = normalBlendWithWhiteSrc(color.rgb, 0.5 * frontFog * intensity);

		return color;
		}

+5 −4

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@ uniform float2 uvScaleBgd;
		uniform float time;
		uniform float screenAspectRatio;
		uniform float2 screenSize;
		uniform half intensity;

		#include "shaders/constants.agsl"
		#include "shaders/utils.agsl"
		@@ -66,7 +67,7 @@ vec4 main(float2 fragCoord) {
		screenAspectRatio,
		time,
		/* Grid size = */ vec2(4.0, 2.0),
		/* rain intensity = */ 0.8);
		intensity);
		float dropMask = drippingRain.dropMask;
		float droppletsMask = drippingRain.droppletsMask;
		float trailMask = drippingRain.trailMask;
		@@ -79,7 +80,7 @@ vec4 main(float2 fragCoord) {
		screenAspectRatio,
		time * 1.267,
		/* Grid size = */ vec2(3.0, 1.0),
		/* rain intensity = */ 0.6);
		intensity);
		dropMask = max(drippingRain.dropMask, dropMask);
		droppletsMask = max(drippingRain.droppletsMask, droppletsMask);
		trailMask = max(drippingRain.trailMask, trailMask);
		@@ -139,7 +140,7 @@ vec4 main(float2 fragCoord) {
		screenAspectRatio,
		time * 18.,
		/* Grid size = */ vec2(30.0, 4.0),
		/* rain intensity = */ rainIntensity);
		intensity);

		color.rgb = mix(color.rgb, highlightColor.rgb, rainVisibility * rain.dropMask);

		@@ -152,7 +153,7 @@ vec4 main(float2 fragCoord) {
		screenAspectRatio,
		time * 27.,
		/* Grid size = */ vec2(8.0, 3.0),
		/* rain intensity = */ rainIntensity);
		intensity);

		// The rain that is closer, make it less visible
		color.rgb = mix(color.rgb, highlightColor.rgb, 0.7 * rainVisibility * rain.dropMask);

+12 −0

Original line number	Diff line number	Diff line
		@@ -24,6 +24,8 @@ const mat2 rot45 = mat2(
		-0.7071067812, 0.7071067812 // second column.
		);

		uniform half intensity;

		/**
		* Generates snow flakes.
		*
		@@ -74,6 +76,16 @@ Snow generateSnow(
		vec2 cellUv = fract(gridUv) - 0.5;
		cellUv.y *= -1.;

		/*
		* Disable snow flakes with some probabilty. This is done by 1) assigning a random intensity
		* value to the cell 2) then compare it with the given intensity.
		*/
		half cellIntensity = idGenerator(floor(vec2(cellId * 856.16, 272.2)));
		if (cellIntensity < 1. - intensity) {
		// Remove snow flakes by seeting flake mask to 0.
		return Snow(/* flakeMask= */ 0, cellUv);
		}

		/* Cell-id-based variations. */
		// Adjust time based on columnId.
		// Adjusts scale of each snow flake (higher is smaller).

+2 −1

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		uniform shader foreground;
		uniform float2 imageSize;
		uniform half intensity;

		#include "shaders/simplex2d.agsl"
		#include "shaders/utils.agsl"
		@@ -27,7 +28,7 @@ float random(vec2 uv) {
		vec4 main(float2 fragCoord) {
		// fragCoord should be already the adjusted UVs to have the expected rect of the image.
		float variation = 0.5 + 0.5 * simplex2d(25. * fragCoord / imageSize.xx);
		float distance = 8. * variation;
		float distance = 8. * variation * intensity;
		float aN = foreground.eval(fragCoord + vec2(0., distance)).a;
		float aS = foreground.eval(fragCoord + vec2(0., -distance)).a;
		float dY = (aN - aS) * 0.5;

+8 −6

Original line number	Diff line number	Diff line
		@@ -55,20 +55,22 @@ vec4 main(float2 fragCoord) {

		// Get color of the background texture.
		color.rgb = mix(colorBackground.rgb, glassTint.rgb, frostedGlassIntensity);
		for (float i = 9.; i > 2.; i--) {
		for (half i = 9.; i > 2.; i--) {
		// Generate snow behind the subject.
		// Normalized layer index.
		half idx = (i - 2.) / (9. - 2.);
		Snow snow = generateSnow(
		uv,
		screenAspectRatio,
		time * 1.25,
		/* Grid size = */ vec2(2.1, 1.4),
		time * mix(1.25, 5., idx),
		/* Grid size = */ vec2(mix(3.0, 6.0, idx), mix(1.0, 3.0, idx)),
		/* layer number = */ i);

		color.rgb = mix(color.rgb, snowColor.rgb, snowOpacity * snow.flakeMask);
		}

		// Add the foreground. Any effect from here will be in front of the subject.
		color.rgb = mix(color.rgb, colorForeground.rgb, colorForeground.a);
		color.rgb = normalBlend(color.rgb, colorForeground.rgb, colorForeground.a);

		// Add accumulated snow.
		vec2 accSnow = accumulatedSnow.eval(adjustedUvForeground).rg;
		@@ -76,13 +78,13 @@ vec4 main(float2 fragCoord) {
		float snowTexture = smoothstep(0.2, 0.7, accSnow.g);
		color.rgb = mix(color.rgb, vec3(0.95), 0.98 * snowLayer * (0.05 + 0.95 * snowTexture));

		for (float i = 2.; i >= 0.; i--) {
		for (half i = 2.; i >= 0.; i--) {
		// Generate snow behind the subject.
		Snow snow = generateSnow(
		uv,
		screenAspectRatio,
		time * 1.25,
		/* Grid size = */ vec2(2.1, 1.4),
		/* Grid size = */ vec2(i + 1., 1.4),
		/* layer number = */ i);

		color.rgb = mix(color.rgb, snowColor.rgb, snowOpacity * snow.flakeMask);