58 lines
1.5 KiB
Crystal
58 lines
1.5 KiB
Crystal
# GLFW_TRANSPARENT_FRAMEBUFFER, seems to be unsupported by LibGLFW
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GLFW_TRANSPARENT_FRAMEBUFFER = 0x0002000A
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# GLFW_FOCUS_ON_SHOW, also unsupported by LibGLFW
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GLFW_FOCUS_ON_SHOW = 0x0002000C
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class Funfriend::WindowContext
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getter window : CrystGLFW::Window
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property closed : Bool = false
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DEFAULT_HINTS = {
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# supposedly required on MacOS
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Window::HintLabel::ContextVersionMajor => 3,
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Window::HintLabel::ContextVersionMinor => 3,
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Window::HintLabel::OpenGLForwardCompat => true,
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Window::HintLabel::OpenGLProfile => OpenGLProfile::Core,
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Window::HintLabel::ClientAPI => ClientAPI::OpenGL,
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Window::HintLabel::Resizable => false,
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Window::HintLabel::Decorated => false,
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Window::HintLabel::Floating => true,
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Window::HintLabel::Focused => false,
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}
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def initialize(title : String, width : Int32, height : Int32, transparent : Bool, hints = DEFAULT_HINTS)
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if transparent
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LibGLFW.window_hint(GLFW_TRANSPARENT_FRAMEBUFFER, 1)
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end
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LibGLFW.window_hint(GLFW_FOCUS_ON_SHOW, 0)
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@window = Window.new title: title, width: width, height: height, hints: hints
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LOG.info { "creating context #{self}" }
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end
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def update(dt : Float64)
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# let OpenGL draw to it
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window.make_context_current
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# nothing to draw; dummy out
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# idk why you need to do this but oh well
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window.swap_buffers
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end
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def close
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window.destroy
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@closed = true
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end
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def clean_up
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end
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def destroy
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close
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clean_up
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end
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end
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