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 | 204x 204x 426x 426x 426x 426x 426x 426x 426x 439x 482x 482x 482x 456x 456x 456x 456x 456x 456x 456x 13x 13x 4x 13x 13x 13x 13x 4x 4x 13x 13x 13x 13x 13x 456x 456x 456x 306x 306x 456x 9x 6x 9x 456x 18x 18x 456x 4x 4x 204x 3x 3x 204x 10x 3879x 204x 27x 204x 204x 1x 204x 204x 204x 204x 1x | import macro from 'vtk.js/Sources/macros';
import vtkOpenGLFramebuffer from 'vtk.js/Sources/Rendering/OpenGL/Framebuffer';
import vtkRenderPass from 'vtk.js/Sources/Rendering/SceneGraph/RenderPass';
import vtkOpenGLOrderIndependentTranslucentPass from 'vtk.js/Sources/Rendering/OpenGL/OrderIndependentTranslucentPass';
// ----------------------------------------------------------------------------
function vtkForwardPass(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkForwardPass');
// this pass implements a forward rendering pipeline
// if both volumes and opaque geometry are present
// it will mix the two together by capturing a zbuffer
// first
publicAPI.traverse = (viewNode, parent = null) => {
Iif (model.deleted) {
return;
}
// we just render our delegates in order
model._currentParent = parent;
// build
publicAPI.setCurrentOperation('buildPass');
viewNode.traverse(publicAPI);
const numlayers = viewNode.getRenderable().getNumberOfLayers();
// iterate over renderers
const renderers = viewNode.getRenderable().getRenderersByReference();
for (let i = 0; i < numlayers; i++) {
for (let index = 0; index < renderers.length; index++) {
const ren = renderers[index];
const renNode = viewNode.getViewNodeFor(ren);
if (ren.getDraw() && ren.getLayer() === i) {
// check for both opaque and volume actors
model.opaqueActorCount = 0;
model.translucentActorCount = 0;
model.volumeCount = 0;
model.overlayActorCount = 0;
publicAPI.setCurrentOperation('queryPass');
renNode.traverse(publicAPI);
// do we need to capture a zbuffer?
if (
((model.opaqueActorCount > 0 || model.translucentActorCount > 0) &&
model.volumeCount > 0) ||
model.depthRequested
) {
const size = viewNode.getFramebufferSize();
// make sure the framebuffer is setup
if (model.framebuffer === null) {
model.framebuffer = vtkOpenGLFramebuffer.newInstance();
}
model.framebuffer.setOpenGLRenderWindow(viewNode);
model.framebuffer.saveCurrentBindingsAndBuffers();
const fbSize = model.framebuffer.getSize();
if (
fbSize === null ||
fbSize[0] !== size[0] ||
fbSize[1] !== size[1]
) {
model.framebuffer.create(size[0], size[1]);
model.framebuffer.populateFramebuffer();
}
model.framebuffer.bind();
// opaqueZBufferPass only renders opaque actors
// zBufferPass renders both translucent and opaque actors
// we want to be able to pick translucent actors
publicAPI.setCurrentOperation('zBufferPass');
renNode.traverse(publicAPI);
model.framebuffer.restorePreviousBindingsAndBuffers();
// reset now that we have done it
model.depthRequested = false;
}
publicAPI.setCurrentOperation('cameraPass');
renNode.traverse(publicAPI);
if (model.opaqueActorCount > 0) {
publicAPI.setCurrentOperation('opaquePass');
renNode.traverse(publicAPI);
}
if (model.translucentActorCount > 0) {
if (!model.translucentPass) {
model.translucentPass =
vtkOpenGLOrderIndependentTranslucentPass.newInstance();
}
model.translucentPass.traverse(viewNode, renNode, publicAPI);
}
if (model.volumeCount > 0) {
publicAPI.setCurrentOperation('volumePass');
renNode.traverse(publicAPI);
}
if (model.overlayActorCount > 0) {
publicAPI.setCurrentOperation('overlayPass');
renNode.traverse(publicAPI);
}
}
}
}
};
publicAPI.getZBufferTexture = () => {
if (model.framebuffer) {
return model.framebuffer.getColorTexture();
}
return null;
};
publicAPI.requestDepth = () => {
model.depthRequested = true;
};
publicAPI.incrementOpaqueActorCount = () => model.opaqueActorCount++;
publicAPI.incrementTranslucentActorCount = () =>
model.translucentActorCount++;
publicAPI.incrementVolumeCount = () => model.volumeCount++;
publicAPI.incrementOverlayActorCount = () => model.overlayActorCount++;
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
opaqueActorCount: 0,
translucentActorCount: 0,
volumeCount: 0,
overlayActorCount: 0,
framebuffer: null,
depthRequested: false,
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
// Build VTK API
vtkRenderPass.extend(publicAPI, model, initialValues);
macro.get(publicAPI, model, [
'framebuffer',
'opaqueActorCount',
'translucentActorCount',
'volumeCount',
]);
// Object methods
vtkForwardPass(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(extend, 'vtkForwardPass');
// ----------------------------------------------------------------------------
export default { newInstance, extend };
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