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LFM2-VL-WebGPU

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LFM2-VL-WebGPU / src /react-fluid-distortion /glsl /gradientSubstract.frag

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8b0d131 verified 8 months ago

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precision highp float;

varying highp vec2 vUv;
varying highp vec2 vL;
varying highp vec2 vR;
varying highp vec2 vT;
varying highp vec2 vB;

uniform sampler2D uPressure;
uniform sampler2D uVelocity;

void main() {
    float L = texture2D(uPressure, vL).x;

    float R = texture2D(uPressure, vR).x;

    float T = texture2D(uPressure, vT).x;

    float B = texture2D(uPressure, vB).x;

    vec2 velocity = texture2D(uVelocity, vUv).xy;

    velocity.xy -= vec2(R - L, T - B);

    gl_FragColor = vec4(velocity, 0.0, 1.0);
}

	precision highp float;

	varying highp vec2 vUv;
	varying highp vec2 vL;
	varying highp vec2 vR;
	varying highp vec2 vT;
	varying highp vec2 vB;

	uniform sampler2D uPressure;
	uniform sampler2D uVelocity;

	void main() {
	float L = texture2D(uPressure, vL).x;

	float R = texture2D(uPressure, vR).x;

	float T = texture2D(uPressure, vT).x;

	float B = texture2D(uPressure, vB).x;

	vec2 velocity = texture2D(uVelocity, vUv).xy;

	velocity.xy -= vec2(R - L, T - B);

	gl_FragColor = vec4(velocity, 0.0, 1.0);
	}