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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 | 1x 216x 216x 938x 469x 469x 469x 469x 469x 469x 216x 469x 469x 469x 260x 260x 469x 212x 212x 469x 216x 40x 20x 20x 20x 20x 20x 20x 20x 20x 20x 20x 20x 20x 20x 20x 20x 20x 20x 216x 216x 938x 469x 216x 429x 429x 429x 216x 5155x 5155x 5155x 5155x 5155x 5155x 5155x 5155x 5155x 5155x 5155x 5155x 5155x 5155x 5155x 216x 483x 483x 483x 470x 470x 470x 483x 483x 483x 483x 483x 483x 483x 483x 483x 483x 483x 483x 216x 215x 215x 215x 739x 216x 469x 254x 215x 215x 215x 215x 215x 1x 216x 216x 216x 216x 216x 216x 1x 1x | import * as macro from 'vtk.js/Sources/macros';
import vtkViewNode from 'vtk.js/Sources/Rendering/SceneGraph/ViewNode';
import { registerOverride } from 'vtk.js/Sources/Rendering/OpenGL/ViewNodeFactory';
const { vtkDebugMacro } = macro;
// ----------------------------------------------------------------------------
// vtkOpenGLRenderer methods
// ----------------------------------------------------------------------------
/* eslint-disable no-bitwise */
function vtkOpenGLRenderer(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkOpenGLRenderer');
// Builds myself.
publicAPI.buildPass = (prepass) => {
if (prepass) {
Iif (!model.renderable) {
return;
}
publicAPI.updateLights();
publicAPI.prepareNodes();
publicAPI.addMissingNode(model.renderable.getActiveCamera());
publicAPI.addMissingNodes(model.renderable.getViewPropsWithNestedProps());
publicAPI.removeUnusedNodes();
}
};
publicAPI.updateLights = () => {
let count = 0;
const lights = model.renderable.getLightsByReference();
for (let index = 0; index < lights.length; ++index) {
if (lights[index].getSwitch() > 0.0) {
count++;
}
}
if (!count) {
vtkDebugMacro('No lights are on, creating one.');
model.renderable.createLight();
}
return count;
};
publicAPI.zBufferPass = (prepass) => {
if (prepass) {
let clearMask = 0;
const gl = model.context;
if (!model.renderable.getTransparent()) {
model.context.clearColor(1.0, 0.0, 0.0, 1.0);
clearMask |= gl.COLOR_BUFFER_BIT;
}
if (!model.renderable.getPreserveDepthBuffer()) {
gl.clearDepth(1.0);
clearMask |= gl.DEPTH_BUFFER_BIT;
model.context.depthMask(true);
}
const ts = publicAPI.getTiledSizeAndOrigin();
gl.enable(gl.SCISSOR_TEST);
gl.scissor(ts.lowerLeftU, ts.lowerLeftV, ts.usize, ts.vsize);
gl.viewport(ts.lowerLeftU, ts.lowerLeftV, ts.usize, ts.vsize);
gl.colorMask(true, true, true, true);
if (clearMask) {
gl.clear(clearMask);
}
gl.enable(gl.DEPTH_TEST);
}
};
publicAPI.opaqueZBufferPass = (prepass) => publicAPI.zBufferPass(prepass);
// Renders myself
publicAPI.cameraPass = (prepass) => {
if (prepass) {
publicAPI.clear();
}
};
publicAPI.getAspectRatio = () => {
const size = model._parent.getSizeByReference();
const viewport = model.renderable.getViewportByReference();
return (
(size[0] * (viewport[2] - viewport[0])) /
((viewport[3] - viewport[1]) * size[1])
);
};
publicAPI.getTiledSizeAndOrigin = () => {
const vport = model.renderable.getViewportByReference();
// if there is no window assume 0 1
const tileViewPort = [0.0, 0.0, 1.0, 1.0];
// find the lower left corner of the viewport, taking into account the
// lower left boundary of this tile
const vpu = vport[0] - tileViewPort[0];
const vpv = vport[1] - tileViewPort[1];
// store the result as a pixel value
const ndvp = model._parent.normalizedDisplayToDisplay(vpu, vpv);
const lowerLeftU = Math.round(ndvp[0]);
const lowerLeftV = Math.round(ndvp[1]);
// find the upper right corner of the viewport, taking into account the
// lower left boundary of this tile
const vpu2 = vport[2] - tileViewPort[0];
const vpv2 = vport[3] - tileViewPort[1];
const ndvp2 = model._parent.normalizedDisplayToDisplay(vpu2, vpv2);
// now compute the size of the intersection of the viewport with the
// current tile
let usize = Math.round(ndvp2[0]) - lowerLeftU;
let vsize = Math.round(ndvp2[1]) - lowerLeftV;
Iif (usize < 0) {
usize = 0;
}
Iif (vsize < 0) {
vsize = 0;
}
return { usize, vsize, lowerLeftU, lowerLeftV };
};
publicAPI.clear = () => {
let clearMask = 0;
const gl = model.context;
if (!model.renderable.getTransparent()) {
const background = model.renderable.getBackgroundByReference();
// renderable ensures that background has 4 entries.
gl.clearColor(background[0], background[1], background[2], background[3]);
clearMask |= gl.COLOR_BUFFER_BIT;
}
if (!model.renderable.getPreserveDepthBuffer()) {
gl.clearDepth(1.0);
clearMask |= gl.DEPTH_BUFFER_BIT;
gl.depthMask(true);
}
gl.colorMask(true, true, true, true);
const ts = publicAPI.getTiledSizeAndOrigin();
gl.enable(gl.SCISSOR_TEST);
gl.scissor(ts.lowerLeftU, ts.lowerLeftV, ts.usize, ts.vsize);
gl.viewport(ts.lowerLeftU, ts.lowerLeftV, ts.usize, ts.vsize);
if (clearMask) {
gl.clear(clearMask);
}
gl.enable(gl.DEPTH_TEST);
/* eslint-enable no-bitwise */
};
publicAPI.releaseGraphicsResources = () => {
Iif (model.selector !== null) {
model.selector.releaseGraphicsResources();
}
// Releasing resources means that the next render should re-create resources
if (model.renderable) {
model.renderable.getViewProps().forEach((prop) => {
prop.modified();
});
}
};
publicAPI.setOpenGLRenderWindow = (rw) => {
if (model._openGLRenderWindow === rw) {
return;
}
publicAPI.releaseGraphicsResources();
model._openGLRenderWindow = rw;
model.context = null;
if (rw) {
model.context = model._openGLRenderWindow.getContext();
}
};
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
context: null,
_openGLRenderWindow: null,
selector: null,
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
// Inheritance
vtkViewNode.extend(publicAPI, model, initialValues);
// Build VTK API
macro.get(publicAPI, model, ['shaderCache']);
macro.setGet(publicAPI, model, ['selector']);
macro.moveToProtected(publicAPI, model, ['openGLRenderWindow']);
// Object methods
vtkOpenGLRenderer(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(extend, 'vtkOpenGLRenderer');
// ----------------------------------------------------------------------------
export default { newInstance, extend };
// Register ourself to OpenGL backend if imported
registerOverride('vtkRenderer', newInstance);
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