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setup canvas on first capture screenshot.js #5442

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merged 9 commits into from
Feb 2, 2024
Merged

setup canvas on first capture screenshot.js #5442

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setup canvas on first capture screenshot.js
arpu Feb 1, 2024
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55 changes: 27 additions & 28 deletions src/components/scene/screenshot.js
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Original file line number Diff line number Diff line change
Expand Up @@ -51,36 +51,32 @@ module.exports.Component = registerComponent('screenshot', {
},

init: function () {
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this.setupDone = false;
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},

setup: function () {
var el = this.el;
var self = this;

if (el.renderer) {
setup();
} else {
el.addEventListener('render-target-loaded', setup);
}

function setup () {
var gl = el.renderer.getContext();
if (!gl) { return; }
self.cubeMapSize = gl.getParameter(gl.MAX_CUBE_MAP_TEXTURE_SIZE);
self.material = new THREE.RawShaderMaterial({
uniforms: {map: {type: 't', value: null}},
vertexShader: VERTEX_SHADER,
fragmentShader: FRAGMENT_SHADER,
side: THREE.DoubleSide
});
self.quad = new THREE.Mesh(
new THREE.PlaneGeometry(1, 1),
self.material
);
self.quad.visible = false;
self.camera = new THREE.OrthographicCamera(-1 / 2, 1 / 2, 1 / 2, -1 / 2, -10000, 10000);
self.canvas = document.createElement('canvas');
self.ctx = self.canvas.getContext('2d');
el.object3D.add(self.quad);
self.onKeyDown = self.onKeyDown.bind(self);
}
var gl = el.renderer.getContext();
if (!gl) { return; }
self.cubeMapSize = gl.getParameter(gl.MAX_CUBE_MAP_TEXTURE_SIZE);
self.material = new THREE.RawShaderMaterial({
uniforms: {map: {type: 't', value: null}},
vertexShader: VERTEX_SHADER,
fragmentShader: FRAGMENT_SHADER,
side: THREE.DoubleSide
});
self.quad = new THREE.Mesh(
new THREE.PlaneGeometry(1, 1),
self.material
);
self.quad.visible = false;
self.camera = new THREE.OrthographicCamera(-1 / 2, 1 / 2, 1 / 2, -1 / 2, -10000, 10000);
self.canvas = document.createElement('canvas');
self.ctx = self.canvas.getContext('2d');
el.object3D.add(self.quad);
self.onKeyDown = self.onKeyDown.bind(self);
self.setupDone = true;
},

getRenderTarget: function (width, height) {
Expand Down Expand Up @@ -178,6 +174,9 @@ module.exports.Component = registerComponent('screenshot', {
* Maintained for backwards compatibility.
*/
capture: function (projection) {
if (!this.setupDone) {
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this.setup();
}
var isVREnabled = this.el.renderer.xr.enabled;
var renderer = this.el.renderer;
var params;
Expand Down
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