<!-- CODERS100 · part 96 -->
hTexture;e&&e.isDepthTexture&&(e.type===b?r=36012:e.type===w&&(r=33190));const i=$(n);t.renderbufferStorageMultisample(36161,i,r,n.width,n.height)}else t.renderbufferStorage(36161,r,n.width,n.height);t.framebufferRenderbuffer(36160,36096,36161,e)}else if(n.depthBuffer&&n.stencilBuffer){if(i){const e=$(n);t.renderbufferStorageMultisample(36161,e,35056,n.width,n.height)}else t.renderbufferStorage(36161,34041,n.width,n.height);t.framebufferRenderbuffer(36160,33306,36161,e)}else{const e=n.texture,r=s.convert(e.format),a=s.convert(e.type),o=O(e.internalFormat,r,a);if(i){const e=$(n);t.renderbufferStorageMultisample(36161,e,o,n.width,n.height)}else t.renderbufferStorage(36161,o,n.width,n.height)}t.bindRenderbuffer(36161,null)}function K(e){const r=i.get(e),s=!0===e.isWebGLCubeRenderTarget;if(e.depthTexture){if(s)throw new Error("target.depthTexture not supported in Cube render targets");!function(e,r){if(r&&r.isWebGLCubeRenderTarget)throw new Error("Depth Texture with cube render targets is not supported");if(n.bindFramebuffer(36160,e),!r.depthTexture||!r.depthTexture.isDepthTexture)throw new Error("renderTarget.depthTexture must be an instance of THREE.DepthTexture");i.get(r.depthTexture).__webglTexture&&r.depthTexture.image.width===r.width&&r.depthTexture.image.height===r.height||(r.depthTexture.image.width=r.width,r.depthTexture.image.height=r.height,r.depthTexture.needsUpdate=!0),V(r.depthTexture,0);const s=i.get(r.depthTexture).__webglTexture;if(r.depthTexture.format===A)t.framebufferTexture2D(36160,36096,3553,s,0);else{if(r.depthTexture.format!==L)throw new Error("Unknown depthTexture format");t.framebufferTexture2D(36160,33306,3553,s,0)}}(r.__webglFramebuffer,e)}else if(s){r.__webglDepthbuffer=[];for(let i=0;i<6;i++)n.bindFramebuffer(36160,r.__webglFramebuffer[i]),r.__webglDepthbuffer[i]=t.createRenderbuffer(),Q(r.__webglDepthbuffer[i],e,!1)}else n.bindFramebuffer(36160,r.__webglFramebuffer),r.__webglDepthbuffer=t.createRenderbuffer(),Q(r.__webglDepthbuffer,e,!1);n.bindFramebuffer(36160,null)}function $(t){return o&&t.isWebGLMultisampleRenderTarget?Math.min(R,t.samples):0}let tt=!1,et=!1;this.allocateTextureUnit=function(){const t=k;return t>=l&&console.warn("THREE.WebGLTextures: Trying to use "+t+" texture units while this GPU supports only "+l),k+=1,t},this.resetTextureUnits=function(){k=0},this.setTexture2D=V,this.setTexture2DArray=function(t,e){const r=i.get(t);t.version>0&&r.__version!==t.version?Z(r,t,e):(n.activeTexture(33984+e),n.bindTexture(35866,r.__webglTexture))},this.setTexture3D=function(t,e){const r=i.get(t);t.version>0&&r.__version!==t.version?Z(r,t,e):(n.activeTexture(33984+e),n.bindTexture(32879,r.__webglTexture))},this.setTextureCube=W,this.setupRenderTarget=function(e){const r=e.texture,l=i.get(e),c=i.get(r);e.addEventListener("dispose",U),c.__webglTexture=t.createTexture(),c.__version=r.version,a.memory.textures++;const h=!0===e.isWebGLCubeRenderTarget,u=!0===e.isWebGLMultisampleRenderTarget,d=r.isDataTexture3D||r.isDataTexture2DArray,p=B(e)||o;if(!o||r.format!==T||r.type!==b&&r.type!==M||(r.format=E,console.warn("THREE.WebGLRenderer: Rendering to textures with RGB format is not supported. Using RGBA format instead.")),h){l.__webglFramebuffer=[];for(let e=0;e<6;e++)l.__webglFramebuffer[e]=t.createFramebuffer()}else if(l.__webglFramebuffer=t.createFramebuffer(),u)if(o){l.__webglMultisampledFramebuffer=t.createFramebuffer(),l.__webglColorRenderbuffer=t.createRenderbuffer(),t.bindRenderbuffer(36161,l.__webglColorRenderbuffer);const i=s.convert(r.format),a=s.convert(r.type),o=O(r.internalFormat,i,a),c=$(e);t.renderbufferStorageMultisample(36161,c,o,e.width,e.height),n.bindFramebuffer(36160,l.__webglMultisampledFramebuffer),t.framebufferRenderbuffer(36160,36064,36161,l.__webglColorRenderbuffer),t.bindRenderbuffer(36161,null),e.depthBuffer&&(l.__webglDepthRenderbuffer=t.createRenderbuffer(),Q(l.__webglDepthRenderbuffer,e,!0)),n.bindFramebuffer(36160,null)}else console.warn("THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.");if(h){n.bindTexture(34067,c.__webglTexture),X(34067,r,p);for(let t=0;t<6;t++)J(l.__webglFramebuffer[t],e,36064,34069+t);z(r,p)&&F(34067,r,e.width,e.height),n.bindTexture(34067,null)}else{let t=3553;if(d)if(o){t=r.isDataTexture3D?32879:35866}else console.warn("THREE.DataTexture3D and THREE.DataTexture2DArray only supported with WebGL2.");n.bindTexture(t,c.__webglTexture),X(t,r,p),J(l.__webglFramebuffer,e,36064,t),z(r,p)&&F(3553,r,e.width,e.height),n.bindTexture(3553,null)}e.depthBuffer&&K(e)},this.updateRenderTargetMipmap=function(t){const e=t.texture;if(z(e,B(t)||o)){const r=t.isWebGLCubeRenderTarget?34067:3553,s=i.get(e).__webglTexture;n.bindTexture(r,s),F(r,e,t.width,t.height),n.bindTexture(r,null)}},this.updateMultisampleRenderTarget=function(e){if(e.isWebGLMultisampleRenderTarget)if(o){const r=e.width,s=e.height;let a=16384;e.depthBuffer&&(a|=256),e.stencilBuffer&&(a|=1024);const o=i.get(e);n.bindFramebuff