@babylonjs/core/ShadersWGSL/motionBlur.fragment.js

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// Do not edit.
import { ShaderStore } from "../Engines/shaderStore.js";
const name = "motionBlurPixelShader";
const shader = `varying vUV: vec2f;var textureSamplerSampler: sampler;var textureSampler: texture_2d<f32>;uniform motionStrength: f32;uniform motionScale: f32;uniform screenSize: vec2f;
#ifdef OBJECT_BASED
var velocitySamplerSampler: sampler;var velocitySampler: texture_2d<f32>;
#else
var depthSamplerSampler: sampler;var depthSampler: texture_2d<f32>;uniform inverseViewProjection: mat4x4f;uniform prevViewProjection: mat4x4f;uniform projection: mat4x4f;
#endif
#define CUSTOM_FRAGMENT_DEFINITIONS
@fragment
fn main(input: FragmentInputs)->FragmentOutputs {
#ifdef GEOMETRY_SUPPORTED
#ifdef OBJECT_BASED
var texelSize: vec2f=1.0/uniforms.screenSize;var velocityColor: vec4f=textureSample(velocitySampler,velocitySamplerSampler,input.vUV);velocityColor=vec4f(velocityColor.rg*2.0- vec2f(1.0),velocityColor.b,velocityColor.a);let signs=sign(velocityColor.rg);var velocity=pow(abs(velocityColor.rg),vec2f(3.0))*signs*velocityColor.a;velocity*=uniforms.motionScale*uniforms.motionStrength;var speed: f32=length(velocity/texelSize);var samplesCount: i32= i32(clamp(speed,1.0,SAMPLES));velocity=normalize(velocity)*texelSize;var hlim: f32= f32(-samplesCount)*0.5+0.5;var result: vec4f=textureSample(textureSampler,textureSamplerSampler, input.vUV);for (var i: i32=1; i< i32(SAMPLES); i++)
{if (i>=samplesCount) {break;}
var offset: vec2f=input.vUV+velocity*(hlim+ f32(i));
#if defined(WEBGPU)
result+=textureSampleLevel(textureSampler,textureSamplerSampler, offset,0.0);
#else
result+=textureSample(textureSampler,textureSamplerSampler, offset);
#endif
}
fragmentOutputs.color=vec4f(result.rgb/ f32(samplesCount),1.0);
#else
var texelSize: vec2f=1.0/uniforms.screenSize;var depth: f32=textureSample(depthSampler,depthSamplerSampler,input.vUV).r;depth=uniforms.projection[2].z+uniforms.projection[3].z/depth; 
var cpos: vec4f= vec4f(input.vUV*2.0-1.0,depth,1.0);cpos=uniforms.inverseViewProjection*cpos;cpos/=cpos.w;var ppos: vec4f=uniforms.prevViewProjection*cpos;ppos/=ppos.w;ppos.xy=ppos.xy*0.5+0.5;var velocity: vec2f=(ppos.xy-input.vUV)*uniforms.motionScale*uniforms.motionStrength;var speed: f32=length(velocity/texelSize);var nSamples: i32= i32(clamp(speed,1.0,SAMPLES));var result: vec4f=textureSample(textureSampler,textureSamplerSampler, input.vUV);for (var i: i32=1; i< i32(SAMPLES); i++) {if (i>=nSamples) {break;}
var offset1: vec2f=input.vUV+velocity*( f32(i)/ f32(nSamples-1)-0.5);
#if defined(WEBGPU)
result+=textureSampleLevel(textureSampler,textureSamplerSampler, offset1,0.0);
#else
result+=textureSample(textureSampler,textureSamplerSampler, offset1);
#endif
}
fragmentOutputs.color=result/ f32(nSamples);
#endif
#else
fragmentOutputs.color=textureSample(textureSampler,textureSamplerSampler, input.vUV);
#endif
}
`;
// Sideeffect
if (!ShaderStore.ShadersStoreWGSL[name]) {
    ShaderStore.ShadersStoreWGSL[name] = shader;
}
/** @internal */
export const motionBlurPixelShaderWGSL = { name, shader };
//# sourceMappingURL=motionBlur.fragment.js.map