2019年7月9日 · My problem is that the Besler camera gives frames in RGB888 format. but eglCreateImageKHR is working only if I give RGBA8888 format . If I pass RGB888 to eglCreateImageKHR it gives black screen and also egl image returned is 0. If I convert RGB888 data to RGBA8888 it works . but I don't want to do extra conversions for better performance.

2013年9月11日 · First, we will look at converting RGB565 to RGB888. We assume there are eight 16-bit pixels in register q0, and we would like to separate reds, greens and blues into 8-bit elements across three registers d2 to d4. vshr.u8 q1, q0, #3 @ shift red elements right by three bits, @ discarding the green bits at the bottom of

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Hi, While working with gnome-shell (X11, cogl & mutter doing window compositing) we see a strange issue when eglCreateImageKHR() is used to get an OpenGLESv2 texture

Hello, Thanks for the information. First of all , I want to clarify something.Here qt is an example, my goal is to create some generic functions so that I can use when android or some other technology is used as well.Also the other device that I want to send the pixels may not be a powerful device, may not have dma support, may not have opengl support.