* @private
()
| 33 | * @private |
| 34 | */ |
| 35 | cloneTexture() { |
| 36 | this.texture._refs--; |
| 37 | const { context: gl, size, texture, kernel } = this; |
| 38 | if (kernel.debug) { |
| 39 | console.warn('cloning internal texture'); |
| 40 | } |
| 41 | gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer()); |
| 42 | selectTexture(gl, texture); |
| 43 | gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, texture, 0); |
| 44 | const target = gl.createTexture(); |
| 45 | selectTexture(gl, target); |
| 46 | gl.texImage2D(gl.TEXTURE_2D, 0, this.internalFormat, size[0], size[1], 0, this.textureFormat, this.textureType, null); |
| 47 | gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 0, 0, size[0], size[1]); |
| 48 | target._refs = 1; |
| 49 | this.texture = target; |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * @private |
no test coverage detected