Function initFramebuffers

script.js:982–1010

()

const displayMaterial = new Material(baseVertexShader, displayShaderSource);

function initFramebuffers () {
    let simRes = getResolution(config.SIM_RESOLUTION);
    let dyeRes = getResolution(config.DYE_RESOLUTION);

    const texType = ext.halfFloatTexType;
    const rgba    = ext.formatRGBA;
    const rg      = ext.formatRG;
    const r       = ext.formatR;
    const filtering = ext.supportLinearFiltering ? gl.LINEAR : gl.NEAREST;

    gl.disable(gl.BLEND);

    if (dye == null)
        dye = createDoubleFBO(dyeRes.width, dyeRes.height, rgba.internalFormat, rgba.format, texType, filtering);
    else
        dye = resizeDoubleFBO(dye, dyeRes.width, dyeRes.height, rgba.internalFormat, rgba.format, texType, filtering);

    if (velocity == null)
        velocity = createDoubleFBO(simRes.width, simRes.height, rg.internalFormat, rg.format, texType, filtering);
    else
        velocity = resizeDoubleFBO(velocity, simRes.width, simRes.height, rg.internalFormat, rg.format, texType, filtering);

    divergence = createFBO      (simRes.width, simRes.height, r.internalFormat, r.format, texType, gl.NEAREST);
    curl       = createFBO      (simRes.width, simRes.height, r.internalFormat, r.format, texType, gl.NEAREST);
    pressure   = createDoubleFBO(simRes.width, simRes.height, r.internalFormat, r.format, texType, gl.NEAREST);

    initBloomFramebuffers();
    initSunraysFramebuffers();
}

function initBloomFramebuffers () {
    let res = getResolution(config.BLOOM_RESOLUTION);