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   :ihavenomouth: (inginsub@clubcyberia.co)'s status on Friday, 20-Sep-2024 18:24:07 JST :ihavenomouth:

   According to the OpenGL documentation, glGetTextureSubImage accepts the following pixel formats: GL_RED, GL_RG, GL_RGB, GL_BGR, GL_RGBA, GL_BGRA, GL_DEPTH_COMPONENT, GL_STENCIL_INDEX. In reality it requires you to specify GL_RED_INTEGER, GL_RG_INTEGER, GL_RGB_INTEGER, GL_BGR_INTEGER, GL_RGBA_INTEGER, GL_BGRA_INTEGER if you're using an integer (not char/byte) texture.

   This may or may not be a bug in mesa.