// Copyright (c) 2015 - 2017 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
/* eslint-disable camelcase */
import { fp64 } from '@luma.gl/shadertools';
const { fp64ify, fp64ifyMatrix4 } = fp64;
import { project, _memoize as memoize } from '@deck.gl/core';
import project64Shader from "./project64.glsl.js";
export default {
    name: 'project64',
    dependencies: [project, fp64],
    vs: project64Shader,
    getUniforms
};
// TODO - this module should calculate the 64 bit uniforms
// It is currently done by project to minimize duplicated work
const getMemoizedUniforms = memoize(calculateUniforms);
function getUniforms(opts) {
    if (opts && 'viewport' in opts) {
        const { viewProjectionMatrix, scale } = opts.viewport;
        // We only need to update fp64 uniforms if fp32 projection is being updated
        return getMemoizedUniforms({ viewProjectionMatrix, scale });
    }
    return {};
}
function calculateUniforms({ viewProjectionMatrix, scale }) {
    const glViewProjectionMatrixFP64 = fp64ifyMatrix4(viewProjectionMatrix);
    const scaleFP64 = fp64ify(scale);
    return {
        project_uViewProjectionMatrixFP64: glViewProjectionMatrixFP64,
        project64_uViewProjectionMatrix: glViewProjectionMatrixFP64,
        project64_uScale: scaleFP64
    };
}