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#version 300 es

precision highp float;

uniform sampler2D u_image0;

in vec2 v_texCoord;

layout(location = 0) out vec4 fragColor0;

layout(location = 1) out vec4 fragColor1;

layout(location = 2) out vec4 fragColor2;

layout(location = 3) out vec4 fragColor3;

void main() {

vec4 color = texture(u_image0, v_texCoord);

// Output each channel as grayscale to separate render targets

fragColor0 = vec4(vec3(color.r), 1.0); // Red channel

fragColor1 = vec4(vec3(color.g), 1.0); // Green channel

fragColor2 = vec4(vec3(color.b), 1.0); // Blue channel

fragColor3 = vec4(vec3(color.a), 1.0); // Alpha channel

}