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Add support for the composition layer extensions to the main projection layer
- Add support for enabling `XR_FB_composition_layer_depth_test` on the projection layer - Add support for enabling `XR_FB_composition_layer_image_layout` on the projection layer - Add support for enabling `XR_FB_composition_layer_secure_content` on the projection layer - Add support for enabling `XR_FB_composition_layer_alpha_blend` on the projection layer - Add support for enabling `XR_FB_composition_layer_settings` on the projection layer
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‎.github/workflows/build-addon-on-push.yml‎

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needs: build
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env:
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GODOT_VERSION: "4.6-stable"
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GODOT_VERSION: "4.7-stable"
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XRSIM_VERSION: "65.0.0"
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steps:

‎doc_classes/OpenXRFbCompositionLayerAlphaBlendExtension.xml‎

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</description>
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<tutorials>
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</tutorials>
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<methods>
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<method name="is_enabled" qualifiers="const">
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<return type="bool" />
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<description>
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Checks if the extension is enabled or not.
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</description>
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</method>
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</methods>
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<members>
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<member name="projection_layer_alpha_blend_enabled" type="bool" setter="set_projection_layer_alpha_blend_enabled" getter="is_projection_layer_alpha_blend_enabled">
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Enables alpha blending for the projection layer.
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</member>
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<member name="projection_layer_destination_alpha_blend_factor" type="int" setter="set_projection_layer_destination_alpha_blend_factor" getter="get_projection_layer_destination_alpha_blend_factor" enum="OpenXRFbCompositionLayerAlphaBlendExtension.BlendFactor" default="0">
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Determines the destination's contribution to the alpha blending.
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</member>
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<member name="projection_layer_destination_color_blend_factor" type="int" setter="set_projection_layer_destination_color_blend_factor" getter="get_projection_layer_destination_color_blend_factor" enum="OpenXRFbCompositionLayerAlphaBlendExtension.BlendFactor" default="0">
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Determines the destination's contribution to the color blending.
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</member>
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<member name="projection_layer_source_alpha_blend_factor" type="int" setter="set_projection_layer_source_alpha_blend_factor" getter="get_projection_layer_source_alpha_blend_factor" enum="OpenXRFbCompositionLayerAlphaBlendExtension.BlendFactor" default="1">
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Determines the source's contribution to the alpha blending.
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</member>
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<member name="projection_layer_source_color_blend_factor" type="int" setter="set_projection_layer_source_color_blend_factor" getter="get_projection_layer_source_color_blend_factor" enum="OpenXRFbCompositionLayerAlphaBlendExtension.BlendFactor" default="1">
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Determines the source's contribution to the color blending.
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</member>
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</members>
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<constants>
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<constant name="BLEND_FACTOR_ZERO" value="0" enum="BlendFactor">
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Blending factor set to zero, resulting in no contribution from the source.
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Blending factor set to zero, resulting in no contribution.
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</constant>
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<constant name="BLEND_FACTOR_ONE" value="1" enum="BlendFactor">
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Blending factor set to one, resulting in full contribution from the source.
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Blending factor set to one, resulting in full contribution.
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</constant>
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<constant name="BLEND_FACTOR_SRC_ALPHA" value="2" enum="BlendFactor">
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Blending factor using the source alpha value.

‎doc_classes/OpenXRFbCompositionLayerDepthTestExtension.xml‎

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</description>
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<tutorials>
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</tutorials>
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<methods>
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<method name="is_enabled">
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<return type="bool" />
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<description>
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Checks if the extension is enabled or not.
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</description>
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</method>
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</methods>
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<members>
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<member name="projection_layer_depth_test_enabled" type="bool" setter="set_projection_layer_depth_test_enabled" getter="is_projection_layer_depth_test_enabled">
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Enables depth testing for the projection layer.
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[b]Note:[/b] The [code]xr/openxr/submit_depth_buffer[/code] project setting must be enabled for this to take effect.
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</member>
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</members>
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</class>

‎doc_classes/OpenXRFbCompositionLayerImageLayoutExtension.xml‎

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</description>
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<tutorials>
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</tutorials>
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<methods>
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<method name="is_enabled" qualifiers="const">
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<return type="bool" />
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<description>
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Checks if the extension is enabled or not.
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</description>
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</method>
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</methods>
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<members>
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<member name="projection_layer_vertical_flip" type="bool" setter="set_projection_layer_vertical_flip" getter="get_projection_layer_vertical_flip">
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Vertically flips the projection layer.
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</member>
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</members>
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</class>

‎doc_classes/OpenXRFbCompositionLayerSecureContentExtension.xml‎

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</description>
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<tutorials>
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</tutorials>
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<methods>
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<method name="is_enabled" qualifiers="const">
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<return type="bool" />
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<description>
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Checks if the extension is enabled or not.
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</description>
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</method>
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</methods>
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<members>
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<member name="projection_layer_external_output" type="int" setter="set_projection_layer_external_output" getter="get_projection_layer_external_output" enum="OpenXRFbCompositionLayerSecureContentExtension.ExternalOutput" default="0">
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Specifies how the projection layer should be rendered to external outputs. This setting will have [b]no effect[/b] on the projection layer when viewed from inside the device, but will take effect when casting to another device.
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</member>
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</members>
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<constants>
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<constant name="EXTERNAL_OUTPUT_DISPLAY" value="0" enum="ExternalOutput">
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Display the content without any changes to external outputs.
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</constant>
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<constant name="EXTERNAL_OUTPUT_EXCLUDE" value="1" enum="ExternalOutput">
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Hide this composition layer from external outputs, revealing content behind it.
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</constant>
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<constant name="EXTERNAL_OUTPUT_REPLACE" value="2" enum="ExternalOutput">
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Replace the content on this composition layer with a black screen.
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</constant>
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</constants>
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</class>

‎doc_classes/OpenXRFbCompositionLayerSettingsExtension.xml‎

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</description>
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<tutorials>
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</tutorials>
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<methods>
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<method name="is_enabled" qualifiers="const">
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<return type="bool" />
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<description>
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Checks if the extension is enabled or not.
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</description>
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</method>
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</methods>
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<members>
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<member name="projection_layer_auto_filter_enabled" type="bool" setter="set_projection_layer_auto_filter_enabled" getter="is_projection_layer_auto_filter_enabled" default="false">
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Enables the runtime's automatic layer filtering. The runtime will switch between disabled sharpening / supersampling and the modes indicated by [member projection_layer_sharpening_mode] and [member projection_layer_supersampling_mode].
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</member>
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<member name="projection_layer_sharpening_mode" type="int" setter="set_projection_layer_sharpening_mode" getter="get_projection_layer_sharpening_mode" enum="OpenXRFbCompositionLayerSettingsExtension.SharpeningMode" default="0">
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Selects the sharpening mode for the projection layer.
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</member>
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<member name="projection_layer_supersampling_mode" type="int" setter="set_projection_layer_supersampling_mode" getter="get_projection_layer_supersampling_mode" enum="OpenXRFbCompositionLayerSettingsExtension.SupersamplingMode" default="0">
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Selects the supersampling mode for the projection layer.
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</member>
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</members>
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<constants>
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<constant name="SUPERSAMPLING_MODE_DISABLED" value="0" enum="SupersamplingMode">
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Disable supersampling.

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