emscripten-core / emscripten-core/emscripten
webgl(2): renderViaOffscreenBackBuffer fails because of glBindSampler left over state.
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Description
Hello, i've got a problem with renderViaOffscreenBackBuffer enabled. When i have set a sampler with `glBindSampler`, and didn't clear it before 'emscripten_webgl_commit_frame()', slow path of `blitOffscreenFramebuffer` function in emscripten fails its `draw` step. (might be because there's inconsistency with internal texture format or something )
I think this is a bug in emscripten itself... what do you think?
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