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Better outline

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antopilo
2025-04-14 17:29:39 -04:00
parent 57564645f2
commit 1af791293d
1 changed files with 17 additions and 4 deletions
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21
Data/Shaders/Vulkan/outline.frag
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@@ -109,6 +109,11 @@ float2 GetTexelSize(Texture2D tex)
return 1.0 / float2(width, height);
}
float LinearizeDepth(float depth, float nearPlane, float farPlane)
{
return (2.0 * nearPlane) / (farPlane + nearPlane - (1.0 - depth) * (farPlane - nearPlane));
}
PSOutput main(PSInput input)
{
PSOutput output;
@@ -126,10 +131,10 @@ PSOutput main(PSInput input)
float4 fragColor = float4(0, 0, 0, 0);
const float TAU = 6.28318530;
const float steps = 32.0;
const float steps = 64.0;
for(float i = 0.0f; i < TAU; i += TAU / steps)
{
float2 uvOffset = float2(sin(i), cos(i)) * (GetTexelSize(textures[entityIDTextureID])) * radius;
float2 uvOffset = float2(cos(i), sin(i)) * (GetTexelSize(textures[entityIDTextureID])) * radius;
float2 sampleUV = uv + uvOffset;
sampleUV.x = clamp(sampleUV.x, 0.0, 0.999);
@@ -137,12 +142,20 @@ PSOutput main(PSInput input)
float sample = textures[entityIDTextureID].Sample(mySampler, sampleUV).r;
float sampleDepth = textures[pushConstants.DepthTextureID].Sample(mySampler, sampleUV).r;
if(sample == target && sampleDepth != 1.0f && sampleDepth > depth)
//sampleDepth = LinearizeDepth(sampleDepth, 0.1f, 200.0f);
//depth = LinearizeDepth(depth, 0.1f, 200.0f);
bool passDepthTest = (sampleDepth > depth);
if(sample == target && passDepthTest)
{
hasHit = 1.0f;
if(passDepthTest && sampleValue == target)
{
//hasHit = 0.0f;
}
}
float alpha = smoothstep(0.5, 0.9, hasHit);
float alpha = smoothstep(0.1, 0.9, hasHit);
float4 outputColor = float4(
lerp(fragColor.r, outlineColor.r, alpha),
lerp(fragColor.g, outlineColor.g, alpha),