Fix CGL headless screenshots to read from FBO color attachment - #377
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camierjs wants to merge 1 commit into
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Fix CGL headless screenshots to read from FBO color attachment#377camierjs wants to merge 1 commit into
camierjs wants to merge 1 commit into
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On macOS CGL headless, the window renders into an FBO.
Screenshotstill callsglReadBuffer(GL_BACK)which is invalid for a bound FBO, so OpenGL asserts with an error.