Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 | 1x 1x 1x | import { mat4 } from 'gl-matrix';
import * as macro from 'vtk.js/Sources/macros';
import vtkViewNode from 'vtk.js/Sources/Rendering/SceneGraph/ViewNode';
import { registerOverride } from 'vtk.js/Sources/Rendering/WebGPU/ViewNodeFactory';
// ----------------------------------------------------------------------------
// vtkWebGPUImageSlice methods
// ----------------------------------------------------------------------------
function vtkWebGPUImageSlice(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkWebGPUImageSlice');
// Builds myself.
publicAPI.buildPass = (prepass) => {
if (!model.renderable || !model.renderable.getVisibility()) {
return;
}
if (prepass) {
if (!model.renderable) {
return;
}
model.WebGPURenderer =
publicAPI.getFirstAncestorOfType('vtkWebGPURenderer');
model.WebGPURenderWindow = model.WebGPURenderer.getFirstAncestorOfType(
'vtkWebGPURenderWindow'
);
if (model.propID === undefined) {
model.propID = model.WebGPURenderWindow.getUniquePropID();
}
publicAPI.prepareNodes();
publicAPI.addMissingNode(model.renderable.getMapper());
publicAPI.removeUnusedNodes();
}
};
// we draw textures, then mapper, then post pass textures
publicAPI.traverseOpaquePass = (renderPass) => {
if (
!model.renderable ||
!model.renderable.getNestedVisibility() ||
!model.renderable.getIsOpaque() ||
(model.WebGPURenderer.getSelector() &&
!model.renderable.getNestedPickable())
) {
return;
}
publicAPI.apply(renderPass, true);
model.children.forEach((child) => {
child.traverse(renderPass);
});
publicAPI.apply(renderPass, false);
};
publicAPI.traverseTranslucentPass = (renderPass) => {
if (
!model.renderable ||
!model.renderable.getNestedVisibility() ||
model.renderable.getIsOpaque() ||
(model.WebGPURenderer.getSelector() &&
!model.renderable.getNestedPickable())
) {
return;
}
publicAPI.apply(renderPass, true);
model.children.forEach((child) => {
child.traverse(renderPass);
});
publicAPI.apply(renderPass, false);
};
publicAPI.queryPass = (prepass, renderPass) => {
if (prepass) {
if (!model.renderable || !model.renderable.getVisibility()) {
return;
}
if (model.renderable.getIsOpaque()) {
renderPass.incrementOpaqueActorCount();
} else {
renderPass.incrementTranslucentActorCount();
}
}
};
publicAPI.getBufferShift = (wgpuRen) => {
publicAPI.getKeyMatrices(wgpuRen);
return model.bufferShift;
};
publicAPI.getKeyMatrices = (wgpuRen) => {
// has the actor or stabilization center changed?
if (
Math.max(model.renderable.getMTime(), wgpuRen.getStabilizedTime()) >
model.keyMatricesTime.getMTime()
) {
model.renderable.computeMatrix();
const mcwc = model.renderable.getMatrix();
// compute the net shift
const center = wgpuRen.getStabilizedCenterByReference();
model.bufferShift[0] = mcwc[3] - center[0];
model.bufferShift[1] = mcwc[7] - center[1];
model.bufferShift[2] = mcwc[11] - center[2];
mat4.transpose(model.keyMatrices.bcwc, mcwc);
if (model.renderable.getIsIdentity()) {
mat4.identity(model.keyMatrices.normalMatrix);
} else {
// we use bcwc BEFORE the translate below (just to get transposed mcvc)
mat4.copy(model.keyMatrices.normalMatrix, model.keyMatrices.bcwc);
// zero out translation
model.keyMatrices.normalMatrix[3] = 0.0;
model.keyMatrices.normalMatrix[7] = 0.0;
model.keyMatrices.normalMatrix[11] = 0.0;
mat4.invert(
model.keyMatrices.normalMatrix,
model.keyMatrices.normalMatrix
);
mat4.transpose(
model.keyMatrices.normalMatrix,
model.keyMatrices.normalMatrix
);
}
// only meed the buffer shift to get to world
mat4.translate(model.keyMatrices.bcwc, model.keyMatrices.bcwc, [
-model.bufferShift[0],
-model.bufferShift[1],
-model.bufferShift[2],
]);
// to get to stabilized we also need the center
mat4.translate(model.keyMatrices.bcsc, model.keyMatrices.bcwc, [
-center[0],
-center[1],
-center[2],
]);
model.keyMatricesTime.modified();
}
return model.keyMatrices;
};
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
bufferShift: undefined,
keyMatrixTime: null,
keyMatrices: null,
propID: undefined,
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
// Inheritance
vtkViewNode.extend(publicAPI, model, initialValues);
model.keyMatricesTime = {};
macro.obj(model.keyMatricesTime, { mtime: 0 });
model.keyMatrices = {
normalMatrix: new Float64Array(16),
bcwc: new Float64Array(16),
bcsc: new Float64Array(16),
};
model.keyMatrixTime = {};
macro.obj(model.keyMatrixTime, { mtime: 0 });
model.keyMatrices = {
mcwc: mat4.identity(new Float64Array(16)),
};
model.bufferShift = [0, 0, 0, 0];
macro.get(publicAPI, model, ['propID', 'keyMatricesTime']);
// Object methods
vtkWebGPUImageSlice(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(extend, 'vtkWebGPUImageSlice');
// ----------------------------------------------------------------------------
export default { newInstance, extend };
// Register ourself to WebGPU backend if imported
registerOverride('vtkImageSlice', newInstance);
|