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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 | 1x 206x 206x 205x 205x 205x 206x 205x 205x 205x 205x 205x 205x 205x 6560x 205x 206x 1518x 2219x 1518x 1518x 206x 2219x 206x 1518x 206x 1x 206x 206x 206x 206x 206x 206x 1x | import macro from 'vtk.js/Sources/macros';
const { vtkErrorMacro } = macro;
// ----------------------------------------------------------------------------
// vtkOpenGLTextureUnitManager methods
// ----------------------------------------------------------------------------
function vtkOpenGLTextureUnitManager(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkOpenGLTextureUnitManager');
// ----------------------------------------------------------------------------
// Description:
// Delete the allocation table and check if it is not called before
// all the texture units have been released.
publicAPI.deleteTable = () => {
for (let i = 0; i < model.numberOfTextureUnits; ++i) {
if (model.textureUnits[i] === true) {
vtkErrorMacro('some texture units were not properly released');
}
}
model.textureUnits = [];
model.numberOfTextureUnits = 0;
};
// ----------------------------------------------------------------------------
publicAPI.setContext = (ctx) => {
if (model.context !== ctx) {
if (model.context !== 0) {
publicAPI.deleteTable();
}
model.context = ctx;
if (model.context) {
model.numberOfTextureUnits = ctx.getParameter(
ctx.MAX_TEXTURE_IMAGE_UNITS
);
for (let i = 0; i < model.numberOfTextureUnits; ++i) {
model.textureUnits[i] = false;
}
}
publicAPI.modified();
}
};
// ----------------------------------------------------------------------------
// Description:
// Reserve a texture unit. It returns its number.
// It returns -1 if the allocation failed (because there are no more
// texture units left).
// \post valid_result: result==-1 || result>=0 && result<this->GetNumberOfTextureUnits())
// \post allocated: result==-1 || this->IsAllocated(result)
publicAPI.allocate = () => {
for (let i = 0; i < model.numberOfTextureUnits; i++) {
if (!publicAPI.isAllocated(i)) {
model.textureUnits[i] = true;
return i;
}
}
return -1;
};
publicAPI.allocateUnit = (unit) => {
if (publicAPI.isAllocated(unit)) {
return -1;
}
model.textureUnits[unit] = true;
return unit;
};
// ----------------------------------------------------------------------------
// Description:
// Tell if texture unit `textureUnitId' is already allocated.
// \pre valid_id_range : textureUnitId>=0 && textureUnitId<this->GetNumberOfTextureUnits()
publicAPI.isAllocated = (textureUnitId) => model.textureUnits[textureUnitId];
// ----------------------------------------------------------------------------
// Description:
// Release a texture unit.
// \pre valid_id: textureUnitId>=0 && textureUnitId<this->GetNumberOfTextureUnits()
// \pre allocated_id: this->IsAllocated(textureUnitId)
publicAPI.free = (val) => {
model.textureUnits[val] = false;
};
publicAPI.freeAll = () => {
for (let i = 0; i < model.numberOfTextureUnits; ++i) {
model.textureUnits[i] = false;
}
};
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
context: null,
numberOfTextureUnits: 0,
textureUnits: 0,
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
macro.obj(publicAPI, model);
model.textureUnits = [];
// Build VTK API
macro.get(publicAPI, model, ['numberOfTextureUnits']);
macro.setGet(publicAPI, model, ['context']);
// Object methods
vtkOpenGLTextureUnitManager(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(
extend,
'vtkOpenGLTextureUnitManager'
);
// ----------------------------------------------------------------------------
export default { newInstance, extend };
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