48 lines
2.0 KiB
C++
48 lines
2.0 KiB
C++
# =========================================================================
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# GPU
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# =========================================================================
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GPU_USERLAND_LIBRARIES_WAYLAND ?= "gcnano-userland-multi-binary-stm32mp"
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GPU_USERLAND_LIBRARIES_EGLFS ?= "gcnano-userland-multi-binary-stm32mp"
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GPU_USERLAND_LIBRARIES_X11 ?= "mesa"
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# Helper function for overloading the default EGL/GLES implementation.
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# The Vivante libraries are compatible with the Mesa headers
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# but we can have several backend available following the distro configuration:
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# - wayland
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# - x11
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# - wayland + x11
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# - framebuffer
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# - drm
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def get_gpu_vivante_handler(d):
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""" Overloading the default EGL/GLES/mesa implementation."""
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machine_features = d.getVar('MACHINE_FEATURES').split()
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distro_features = d.getVar('DISTRO_FEATURES').split()
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gpu_lib_wayland = d.getVar('GPU_USERLAND_LIBRARIES_WAYLAND').split()
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gpu_lib_eglfs = d.getVar('GPU_USERLAND_LIBRARIES_EGLFS').split()
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gpu_lib_x11 = d.getVar('GPU_USERLAND_LIBRARIES_X11').split()
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if 'gpu' in machine_features:
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if 'wayland' in distro_features:
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provider = gpu_lib_wayland[0]
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else:
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if 'x11' in distro_features:
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provider = gpu_lib_x11[0]
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else:
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'''no wayland, no X11 -> choose DRM/FB for eglfs'''
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provider = gpu_lib_eglfs[0]
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else:
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provider = "mesa"
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return provider;
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GPU_USERLAND_LIBRARIES_INSTALL = "${@get_gpu_vivante_handler(d)}"
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PREFERRED_PROVIDER_virtual/egl = "${@get_gpu_vivante_handler(d)}"
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PREFERRED_PROVIDER_virtual/libgles1 = "${@get_gpu_vivante_handler(d)}"
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PREFERRED_PROVIDER_virtual/libgles2 = "${@get_gpu_vivante_handler(d)}"
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PREFERRED_PROVIDER_virtual/libgbm = "${@get_gpu_vivante_handler(d)}"
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PREFERRED_PROVIDER_virtual/mesa = "${@bb.utils.contains('PREFERRED_PROVIDER_virtual/egl','mesa','mesa','mesa-gl',d)}"
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PREFERRED_PROVIDER_virtual/libgl = "${@bb.utils.contains('PREFERRED_PROVIDER_virtual/egl','mesa','mesa','mesa-gl',d)}"
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