@luma.gl/shadertools
Version:
Shader module system for luma.gl
14 lines (13 loc) • 1.2 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.transform = void 0;
var vs = "attribute float transform_elementID;\nvec2 transform_getPixelSizeHalf(vec2 size) {\n return vec2(1.) / (2. * size);\n}\n\nvec2 transform_getPixelIndices(vec2 texSize, vec2 pixelSizeHalf) {\n float yIndex = floor((transform_elementID / texSize[0]) + pixelSizeHalf[1]);\n float xIndex = transform_elementID - (yIndex * texSize[0]);\n return vec2(xIndex, yIndex);\n}\nvec2 transform_getTexCoord(vec2 size) {\n vec2 pixelSizeHalf = transform_getPixelSizeHalf(size);\n vec2 indices = transform_getPixelIndices(size, pixelSizeHalf);\n vec2 coord = indices / size + pixelSizeHalf;\n return coord;\n}\nvec2 transform_getPos(vec2 size) {\n vec2 texCoord = transform_getTexCoord(size);\n vec2 pos = (texCoord * (2.0, 2.0)) - (1., 1.);\n return pos;\n}\nvec4 transform_getInput(sampler2D texSampler, vec2 size) {\n vec2 texCoord = transform_getTexCoord(size);\n vec4 textureColor = texture2D(texSampler, texCoord);\n return textureColor;\n}\n";
var transform = {
name: 'transform',
vs: vs,
fs: null
};
exports.transform = transform;
//# sourceMappingURL=transform.js.map