33 lines
No EOL
795 B
GLSL
33 lines
No EOL
795 B
GLSL
// Copyright 2020 Google LLC
|
|
// Copyright 2023 Sascha Willems
|
|
|
|
Texture2D textureColor : register(t1);
|
|
SamplerState samplerColor : register(s1);
|
|
|
|
struct UBO
|
|
{
|
|
float4x4 projection;
|
|
float4x4 model;
|
|
float4 outlineColor;
|
|
float outlineWidth;
|
|
float outline;
|
|
};
|
|
|
|
cbuffer ubo : register(b0) { UBO ubo; }
|
|
|
|
float4 main([[vk::location(0)]] float2 inUV : TEXCOORD0) : SV_TARGET
|
|
{
|
|
float dist = textureColor.Sample(samplerColor, inUV).a;
|
|
float smoothWidth = fwidth(dist);
|
|
float alpha = smoothstep(0.5 - smoothWidth, 0.5 + smoothWidth, dist);
|
|
float3 rgb = alpha.xxx;
|
|
|
|
if (ubo.outline > 0.0)
|
|
{
|
|
float w = 1.0 - ubo.outlineWidth;
|
|
alpha = smoothstep(w - smoothWidth, w + smoothWidth, dist);
|
|
rgb += lerp(alpha.xxx, ubo.outlineColor.rgb, alpha);
|
|
}
|
|
|
|
return float4(rgb, alpha);
|
|
} |