WIP: Alpha fixes #15573
WIP: Alpha fixes #15573
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| return this._transparencyModeIsBlend; | ||
| } | ||
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| if (this.subSurface?.disableAlphaBlending) { |
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It should be checked first to be backward compatible.
| return false; | ||
| } | ||
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| return this.alpha < 1.0 || this._opacityTexture != null || this._shouldUseAlphaFromAlbedoTexture(); | ||
| return super.needAlphaBlending(); |
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The this._opacityTexture != null || this._shouldUseAlphaFromAlbedoTexture() part is missing.
| */ | ||
| protected _hasAlphaChannel(): boolean { | ||
| return (this._albedoTexture != null && this._albedoTexture.hasAlpha) || this._opacityTexture != null; | ||
| return super.needAlphaTesting(); |
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The this._hasAlphaChannel() part is missing.
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| /** @override */ | ||
| public override needAlphaBlending(): boolean { | ||
| return super.needAlphaBlending() || this._opacityFresnelParameters?.isEnabled; |
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As for the PBR material, the checks on this._opacityTexture and this._shouldUseAlphaFromDiffuseTexture() are missing, and needAlphaTesting would also need to be overriden to check this._hasAlphaChannel().
packages/dev/core/src/Shaders/ShadersInclude/pbrBlockAlbedoOpacity.fx
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Just a test for now. We should not merge this until there is adequate testing for the edge cases.
This will supersede the changes in #15504.