binding.js

const outputTextureName = `TEXTURE${ paramNames.length + i + 1 }`;
				const subKernelOutputTexture = this.subKernelOutputTextures[i];
				gl.activeTexture(gl[outputTextureName]);
				gl.bindTexture(gl.TEXTURE_2D, subKernelOutputTexture);
				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);
				gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
				gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
				if (this.floatOutput) {
					gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, texSize[0], texSize[1], 0, gl.RGBA, gl.FLOAT, null);
				} else {
					gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, texSize[0], texSize[1], 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
				}
gl.framebufferTexture2D(gl.FRAMEBUFFER, this.extDrawBuffers[i], gl.TEXTURE_2D, this.subKernelOutputTextures[i], 0);