121 lines
3.0 KiB
HLSL
121 lines
3.0 KiB
HLSL
#include "rect_shared.hlsli"
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#include "fragmentHelpers.hlsli"
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struct PSOut{
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float4 Color: SV_Target0;
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};
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Texture2D<float4> Texture0 : register(t0, space2);
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SamplerState Sampler0 : register(s0, space2);
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StructuredBuffer<Scene> scene: register(t1, space2);
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PSOut main(
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float4 Color : TEXCOORD0,
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float2 UV : TEXCOORD1,
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float2 pixelPosition: TEXCOORD2,
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uint Instance: TEXCOORD3
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) {
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Scene s = scene[Instance];
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PSOut o;
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// check to discard topleft
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float3 color = Color.xyz;
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float alpha = s.alpha;
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uint usesImage = s.flags & 1;
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float4 rounding = s.rounding;
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float borderWidth = s.borderWidth;
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float2 imageSize = s.imageSize;
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if(pixelPosition.x < rounding.x && pixelPosition.y < rounding.y)
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{
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float dist = distance(pixelPosition, float2(rounding.x, rounding.x));
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if(dist > (rounding.x ))
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{
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discard;
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}
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else if(somewhatEqual(dist, rounding.x))
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{
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color = s.edgeColor.xyz;
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alpha = s.edgeColor.w;
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}
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}
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// top right
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if(pixelPosition.x > imageSize.x - rounding.y && pixelPosition.y < rounding.y )
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{
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float dist = distance(pixelPosition, float2(imageSize.x - rounding.y, rounding.y));
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if(dist > rounding.y)
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{
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discard;
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}
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else if(somewhatEqual(dist, rounding.y))
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{
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color = s.edgeColor.xyz;
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alpha = s.edgeColor.w;
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}
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}
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// bottom Left
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if(pixelPosition.x < rounding.x && pixelPosition.y > imageSize.y - rounding.y)
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{
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float dist = distance(pixelPosition, float2(rounding.x, imageSize.y - rounding.y));
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if(dist > rounding.y)
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{
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discard;
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}
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else if(somewhatEqual(dist, rounding.y))
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{
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color = s.edgeColor.xyz;
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alpha = s.edgeColor.w;
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}
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}
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// bottom right
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if(pixelPosition.x > imageSize.x - rounding.a && imageSize.y - pixelPosition.y < rounding.a )
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{
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float dist = distance(pixelPosition, float2(imageSize.x - rounding.x, imageSize.y - rounding.y));
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if(dist > rounding.y)
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{
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discard;
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}
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else if(somewhatEqual(dist, rounding.y))
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{
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color = s.edgeColor.xyz;
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alpha = s.edgeColor.w;
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}
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}
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// check to discard topright
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// determine border colors
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if( pixelPosition.x < borderWidth
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|| pixelPosition.x > imageSize.x - borderWidth
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|| pixelPosition.y < borderWidth
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|| pixelPosition.y > imageSize.y - borderWidth
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)
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{
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color = s.edgeColor.xyz;
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alpha = s.edgeColor.w;
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}
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// scale the color
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if(usesImage > 0)
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{
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// vec4 sampledColor = texture(tex, float2(texCoord.x, 1 - texCoord.y));
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float4 sampledColor = Texture0.Sample(Sampler0, float2(UV.x, 1 - UV.y));
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o.Color = float4(sampledColor.rgb, sampledColor.a * alpha);
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}
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else
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{
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o.Color = float4(color, alpha); //float4(pow(color, 2.2), alpha);
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}
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return o;
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}
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