@loaders.gl/gltf
Version:
Framework-independent loader for the glTF format
38 lines • 978 B
JavaScript
export const COMPONENTS = {
SCALAR: 1,
VEC2: 2,
VEC3: 3,
VEC4: 4,
MAT2: 4,
MAT3: 9,
MAT4: 16
};
export const BYTES = {
5120: 1, // BYTE
5121: 1, // UNSIGNED_BYTE
5122: 2, // SHORT
5123: 2, // UNSIGNED_SHORT
5125: 4, // UNSIGNED_INT
5126: 4 // FLOAT
};
// ENUM LOOKUP
export function getBytesFromComponentType(componentType) {
return BYTES[componentType];
}
export function getSizeFromAccessorType(type) {
return COMPONENTS[type];
}
export function getGLEnumFromSamplerParameter(parameter) {
const GL_TEXTURE_MAG_FILTER = 0x2800;
const GL_TEXTURE_MIN_FILTER = 0x2801;
const GL_TEXTURE_WRAP_S = 0x2802;
const GL_TEXTURE_WRAP_T = 0x2803;
const PARAMETER_MAP = {
magFilter: GL_TEXTURE_MAG_FILTER,
minFilter: GL_TEXTURE_MIN_FILTER,
wrapS: GL_TEXTURE_WRAP_S,
wrapT: GL_TEXTURE_WRAP_T
};
return PARAMETER_MAP[parameter];
}
//# sourceMappingURL=gltf-constants.js.map