WEBGL2_FRAGMENT_UNIFORMS

const WEBGL2_FRAGMENT_UNIFORMS: "uniform sampler2D u_tile;\nuniform sampler2D u_colormap;\nuniform vec4 u_viewport;\nuniform vec2 u_tileTimeRange;\nuniform vec2 u_tileFrequencyRange;\nuniform vec2 u_tileSize;\nuniform vec2 u_canvasSize;\nuniform vec4 u_valueScale;\nuniform float u_frequencyScale;\nuniform float u_overlayMode;";