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Alpha Hash and Alpha2Coverage Implementation

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Marios Staikopoulos 2020-07-13 01:27:01 -07:00
parent 0b910cd8b7
commit e5d7c7d5fc
8 changed files with 434 additions and 78 deletions
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25
doc/classes/BaseMaterial3D.xml
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@ -81,6 +81,15 @@
<member name="albedo_texture" type="Texture2D" setter="set_texture" getter="get_texture">
Texture to multiply by [member albedo_color]. Used for basic texturing of objects.
</member>
<member name="alpha_antialiasing_edge" type="float" setter="set_alpha_antialiasing_edge" getter="get_alpha_antialiasing_edge">
Threshold at which antialiasing will by applied on the alpha channel.
</member>
<member name="alpha_antialiasing_mode" type="int" setter="set_alpha_antialiasing" getter="get_alpha_antialiasing" enum="BaseMaterial3D.AlphaAntiAliasing">
The type of alpha antialiasing to apply. See [enum AlphaAntiAliasing].
</member>
<member name="alpha_hash_scale" type="float" setter="set_alpha_hash_scale" getter="get_alpha_hash_scale">
The hashing scale for Alpha Hash. Recommended values between [code]0[/code] and [code]2[/code].
</member>
<member name="alpha_scissor_threshold" type="float" setter="set_alpha_scissor_threshold" getter="get_alpha_scissor_threshold">
Threshold at which the alpha scissor will discard values.
</member>
@ -486,10 +495,13 @@
<constant name="TRANSPARENCY_ALPHA_SCISSOR" value="2" enum="Transparency">
The material will cut off all values below a threshold, the rest will remain opaque.
</constant>
<constant name="TRANSPARENCY_ALPHA_DEPTH_PRE_PASS" value="3" enum="Transparency">
<constant name="TRANSPARENCY_ALPHA_HASH" value="3" enum="Transparency">
The material will cut off all values below a spatially-deterministic threshold, the rest will remain opaque.
</constant>
<constant name="TRANSPARENCY_ALPHA_DEPTH_PRE_PASS" value="4" enum="Transparency">
The material will use the texture's alpha value for transparency, but will still be rendered in the pre-pass.
</constant>
<constant name="TRANSPARENCY_MAX" value="4" enum="Transparency">
<constant name="TRANSPARENCY_MAX" value="5" enum="Transparency">
Represents the size of the [enum Transparency] enum.
</constant>
<constant name="SHADING_MODE_UNSHADED" value="0" enum="ShadingMode">
@ -555,6 +567,15 @@
<constant name="BLEND_MODE_MUL" value="3" enum="BlendMode">
The color of the object is multiplied by the background.
</constant>
<constant name="ALPHA_ANTIALIASING_OFF" value="0" enum="AlphaAntiAliasing">
Disables Alpha AntiAliasing for the material.
</constant>
<constant name="ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE" value="1" enum="AlphaAntiAliasing">
Enables AlphaToCoverage. Alpha values in the material are passed to the AntiAliasing sample mask.
</constant>
<constant name="ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE_AND_TO_ONE" value="2" enum="AlphaAntiAliasing">
Enables AlphaToCoverage and forces all non-zero alpha values to [code]1[/code]. Alpha values in the material are passed to the AntiAliasing sample mask.
</constant>
<constant name="DEPTH_DRAW_OPAQUE_ONLY" value="0" enum="DepthDrawMode">
Default depth draw mode. Depth is drawn only for opaque objects.
</constant>