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Code Issues Releases Wiki Activity

Shinobi CE officially lands on Gitlab

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Moe 2018-06-07 23:21:38 -07:00
commit f1406d4eec
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tools/ffmpegToWeb/Player/broadway/canvas/Texture.js Normal file
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"use strict";
var assert = require('../utils/assert');
/**
* Represents a WebGL texture object.
*/
function Texture(gl, size, format) {
this.gl = gl;
this.size = size;
this.texture = gl.createTexture();
gl.bindTexture(gl.TEXTURE_2D, this.texture);
this.format = format ? format : gl.LUMINANCE;
gl.texImage2D(gl.TEXTURE_2D, 0, this.format, size.w, size.h, 0, this.format, gl.UNSIGNED_BYTE, null);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
}
var textureIDs = null;
Texture.prototype = {
fill: function(textureData, useTexSubImage2D) {
var gl = this.gl;
assert(textureData.length >= this.size.w * this.size.h,
"Texture size mismatch, data:" + textureData.length + ", texture: " + this.size.w * this.size.h);
gl.bindTexture(gl.TEXTURE_2D, this.texture);
if (useTexSubImage2D) {
gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, this.size.w , this.size.h, this.format, gl.UNSIGNED_BYTE, textureData);
} else {
// texImage2D seems to be faster, thus keeping it as the default
gl.texImage2D(gl.TEXTURE_2D, 0, this.format, this.size.w, this.size.h, 0, this.format, gl.UNSIGNED_BYTE, textureData);
}
},
bind: function(n, program, name) {
var gl = this.gl;
if (!textureIDs) {
textureIDs = [gl.TEXTURE0, gl.TEXTURE1, gl.TEXTURE2];
}
gl.activeTexture(textureIDs[n]);
gl.bindTexture(gl.TEXTURE_2D, this.texture);
gl.uniform1i(gl.getUniformLocation(program.program, name), n);
}
};
module.exports = Texture;