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https://github.com/Facepunch/sbox-public.git
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675f55005e
* Add TextureFlags * Add TextureFlags.PremultipliedAlpha in text block and webpanel textures * Add BlendMode.PremultipliedAlpha * Add panel to PauseModal
48 lines
1.4 KiB
HLSL
48 lines
1.4 KiB
HLSL
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//
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// Blend Modes (https://web.dev/learn/css/blend-modes/)
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// I only filled in what I needed. A job for someone else - garry
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//
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DynamicCombo( D_BLENDMODE, 0..3, Sys( ALL ) );
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// Alpha Blend (standard)
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#if D_BLENDMODE == 0
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RenderState( BlendEnable, true );
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RenderState( SrcBlend, SRC_ALPHA );
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RenderState( DstBlend, INV_SRC_ALPHA );
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RenderState( BlendOp, ADD );
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RenderState( SrcBlendAlpha, ONE );
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RenderState( DstBlendAlpha, INV_SRC_ALPHA );
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RenderState( BlendOpAlpha, ADD );
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// Multiply
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#elif D_BLENDMODE == 1
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RenderState( BlendEnable, true );
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RenderState( SrcBlend, DEST_COLOR );
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RenderState( DstBlend, ZERO );
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RenderState( BlendOp, ADD );
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RenderState( SrcBlendAlpha, ONE );
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RenderState( DstBlendAlpha, ZERO );
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RenderState( BlendOpAlpha, ADD );
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// Lighten / Additive
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#elif D_BLENDMODE == 2
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RenderState( BlendEnable, true );
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RenderState( SrcBlend, SRC_ALPHA );
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RenderState( DstBlend, ONE );
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RenderState( BlendOp, ADD );
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RenderState( SrcBlendAlpha, ONE );
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RenderState( DstBlendAlpha, ONE );
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RenderState( BlendOpAlpha, ADD );
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// Premultiplied Alpha
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#elif D_BLENDMODE == 3
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RenderState( BlendEnable, true );
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RenderState( SrcBlend, ONE );
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RenderState( DstBlend, INV_SRC_ALPHA );
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RenderState( BlendOp, ADD );
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RenderState( SrcBlendAlpha, ONE );
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RenderState( DstBlendAlpha, INV_SRC_ALPHA );
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RenderState( BlendOpAlpha, ADD );
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#endif |