fix(webgl): update check for WEBGL_draw_buffers

- get extension only when more than one render targets
thi-ng · Jul 21, 2019 · 7df09d1 · 7df09d1
1 parent a62f50e
commit 7df09d1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/webgl/src/fbo.ts b/packages/webgl/src/fbo.ts
@@ -34,7 +34,7 @@ export class FBO implements IFbo {
     constructor(gl: WebGLRenderingContext, opts?: Partial<FboOpts>) {
         this.gl = gl;
         this.fbo = gl.createFramebuffer() || error("error creating FBO");
-        this.ext = !isGL2Context(gl)
+        this.ext = (!isGL2Context(gl) && opts && opts!.tex && opts!.tex!.length > 1)
             ? gl.getExtension("WEBGL_draw_buffers") ||
               error("missing WEBGL_draw_buffers ext")
             : undefined;