1 | function booleanArray(size) {
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2 | const array = new Array(size);
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3 | for (let i = 0; i < array.length; i++) {
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4 | array[i] = false;
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5 | }
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6 | return array;
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7 | }
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8 | function defaultValue(type, size) {
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9 | switch (type) {
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10 | case "float":
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11 | return 0;
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12 | case "vec2":
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13 | return new Float32Array(2 * size);
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14 | case "vec3":
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15 | return new Float32Array(3 * size);
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16 | case "vec4":
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17 | return new Float32Array(4 * size);
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18 | case "int":
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19 | case "uint":
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20 | case "sampler2D":
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21 | case "sampler2DArray":
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22 | return 0;
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23 | case "ivec2":
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24 | return new Int32Array(2 * size);
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25 | case "ivec3":
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26 | return new Int32Array(3 * size);
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27 | case "ivec4":
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28 | return new Int32Array(4 * size);
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29 | case "uvec2":
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30 | return new Uint32Array(2 * size);
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31 | case "uvec3":
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32 | return new Uint32Array(3 * size);
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33 | case "uvec4":
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34 | return new Uint32Array(4 * size);
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35 | case "bool":
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36 | return false;
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37 | case "bvec2":
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38 | return booleanArray(2 * size);
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39 | case "bvec3":
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40 | return booleanArray(3 * size);
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41 | case "bvec4":
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42 | return booleanArray(4 * size);
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43 | case "mat2":
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44 | return new Float32Array([
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45 | 1,
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46 | 0,
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47 | 0,
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48 | 1
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49 | ]);
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50 | case "mat3":
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51 | return new Float32Array([
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52 | 1,
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53 | 0,
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54 | 0,
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55 | 0,
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56 | 1,
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57 | 0,
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58 | 0,
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59 | 0,
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60 | 1
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61 | ]);
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62 | case "mat4":
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63 | return new Float32Array([
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64 | 1,
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65 | 0,
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66 | 0,
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67 | 0,
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68 | 0,
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69 | 1,
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70 | 0,
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71 | 0,
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72 | 0,
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73 | 0,
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74 | 1,
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75 | 0,
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76 | 0,
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77 | 0,
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78 | 0,
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79 | 1
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80 | ]);
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81 | }
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82 | return null;
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83 | }
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84 |
|
85 | export { defaultValue };
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86 |
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