#version 300 es
precision mediump float;

in vec2 position;
in float texCoord;

uniform usampler2D diffTexture;

out vec2 vertTexCoord;

void main() {
	ivec2 texSize = textureSize(diffTexture, 0);
	vertTexCoord = vec2(gl_InstanceID, texCoord * texSize.y);
	gl_Position = vec4(position, 0.0, 1.0);
}