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I'm trying to blit multisample GLSurfaceView to MediaCodec-provided input surface. Unfortunately, the target surface remains black. When I remove multisampling everything works fine. The multisampling setup is done using a subclass of GLSurfaceView.ConfigChooser. The blit is performed using the following code:
eglMakeCurrent(display, codecInputSurface, glSurface, context)glReadBuffer(GL_COLOR_ATTACHMENT0)val drawBufs = intArrayOf(GL_COLOR_ATTACHMENT0)glDrawBuffers(1, drawBufs, 0)glBlitFramebuffer( 0, 0, videoWidth, videoHeight, 0, 0, videoWidth, videoHeight, GL_COLOR_BUFFER_BIT, GL_NEAREST)
What am i doing wrong? Thanks in advance!