n);v(b.texture,k)&&a.generateMipmap(a.TEXTURE_CUBE_MAP);c.bindTexture(a.TEXTURE_CUBE_MAP,null)}else c.bindTexture(a.TEXTURE_2D,f.__webglTexture),l(a.TEXTURE_2D,b.texture,k),p(e.__webglFramebuffer,b,a.COLOR_ATTACHMENT0,a.TEXTURE_2D),v(b.texture,k)&&a.generateMipmap(a.TEXTURE_2D),c.bindTexture(a.TEXTURE_2D,null);if(b.depthBuffer){e=d.get(b);f=!0===b.isWebGLRenderTargetCube;if(b.depthTexture){if(f)throw Error("target.depthTexture not supported in Cube render targets");if(b&&b.isWebGLRenderTargetCube)throw Error("Depth Texture with cube render targets is not supported");
a.bindFramebuffer(a.FRAMEBUFFER,e.__webglFramebuffer);if(!b.depthTexture||!b.depthTexture.isDepthTexture)throw Error("renderTarget.depthTexture must be an instance of THREE.DepthTexture");d.get(b.depthTexture).__webglTexture&&b.depthTexture.image.width===b.width&&b.depthTexture.image.height===b.height||(b.depthTexture.image.width=b.width,b.depthTexture.image.height=b.height,b.depthTexture.needsUpdate=!0);r(b.depthTexture,0);e=d.get(b.depthTexture).__webglTexture;if(1026===b.depthTexture.format)a.framebufferTexture2D(a.FRAMEBUFFER,