• Gurchetan Singh's avatar
    virtio-gpu api: vulkan / opengl interop · d8bdca85
    Gurchetan Singh authored
    libvirvrenderer.so and libvirglrenderer.so will be different libraries,
    so we have to start thinking about inter-op.
    
    When VIRTIO_GPU_F_VIRGL is enabled, opening the DRM driver fd always
    calls virtio_gpu_context_create, creating an OpenGL context.
    
    We need to enable Vulkan somehow given this. This patch routes all
    ioctls with VIRTGPU_BACKEND_FLAG_VIRV to virvrenderer, while routes
    ioctls with VIRTGPU_BACKEND_FLAG_VIRGL to virglrenderer.  In practice,
    only a select few new ioctls will go to virglrenderer.
    d8bdca85
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