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Restore WebGL extensions.

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This commit is contained in:
Ben Richards 2024-02-02 16:29:24 +13:00
parent b66028ec8e
commit ade7b57e3d
1 changed files with 22 additions and 14 deletions
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36
src/renderer/webgl/WebGLRenderer.js
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@ -745,6 +745,25 @@ var WebGLRenderer = new Class({
var _this = this;
// Load supported extensions
var setupExtensions = function ()
{
var exts = gl.getSupportedExtensions();
_this.supportedExtensions = exts;
var angleString = 'ANGLE_instanced_arrays';
_this.instancedArraysExtension = (exts.indexOf(angleString) > -1) ? gl.getExtension(angleString) : null;
var vaoString = 'OES_vertex_array_object';
_this.vaoExtension = (exts.indexOf(vaoString) > -1) ? gl.getExtension(vaoString) : null;
};
setupExtensions();
this.contextLostHandler = function (event)
{
_this.contextLost = true;
@ -802,12 +821,14 @@ var WebGLRenderer = new Class({
_this.createTemporaryTextures();
// Restore pipelines.
// _this.pipelines.rebind();
_this.pipelines.restoreContext();
// Apply resize.
_this.resize(_this.width, _this.height);
// Restore GL extensions.
setupExtensions();
// Context has been restored.
_this.contextLost = false;
@ -875,9 +896,6 @@ var WebGLRenderer = new Class({
};
// Load supported extensions
var exts = gl.getSupportedExtensions();
if (!config.maxTextures || config.maxTextures === -1)
{
config.maxTextures = gl.getParameter(gl.MAX_TEXTURE_IMAGE_UNITS);
@ -890,16 +908,6 @@ var WebGLRenderer = new Class({
this.compression = this.getCompressedTextures();
this.supportedExtensions = exts;
var angleString = 'ANGLE_instanced_arrays';
this.instancedArraysExtension = (exts.indexOf(angleString) > -1) ? gl.getExtension(angleString) : null;
var vaoString = 'OES_vertex_array_object';
this.vaoExtension = (exts.indexOf(vaoString) > -1) ? gl.getExtension(vaoString) : null;
// Setup initial WebGL state
gl.disable(gl.DEPTH_TEST);
gl.disable(gl.CULL_FACE);