diff options
Diffstat (limited to 'src/Runtime/res/effectlib/distancefieldtext_dropshadow_core.frag')
-rw-r--r-- | src/Runtime/res/effectlib/distancefieldtext_dropshadow_core.frag | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/src/Runtime/res/effectlib/distancefieldtext_dropshadow_core.frag b/src/Runtime/res/effectlib/distancefieldtext_dropshadow_core.frag index 4e46bd5f..51aae5a7 100644 --- a/src/Runtime/res/effectlib/distancefieldtext_dropshadow_core.frag +++ b/src/Runtime/res/effectlib/distancefieldtext_dropshadow_core.frag @@ -8,24 +8,22 @@ uniform sampler2D _qt_texture; uniform vec4 color; uniform vec4 shadowColor; -in vec2 alphas; - void main() { - float shadowAlpha = smoothstep(alphas.x, - alphas.y, - texture(_qt_texture, - clamp(shadowSampleCoord, - normalizedTextureBounds.xy, - normalizedTextureBounds.zw)).r); + float shadowDistance = texture(_qt_texture, + clamp(shadowSampleCoord, + normalizedTextureBounds.xy, + normalizedTextureBounds.zw)).r; + float shadowDistanceD = fwidth(shadowDistance); + float shadowAlpha = smoothstep(0.5 - shadowDistanceD, 0.5, shadowDistance); vec4 shadowPixel = color * shadowColor * shadowAlpha; - float textAlpha = smoothstep(alphas.x, - alphas.y, - texture(_qt_texture, - clamp(sampleCoord, - normalizedTextureBounds.xy, - normalizedTextureBounds.zw)).r); + float textDistance = texture(_qt_texture, + clamp(sampleCoord, + normalizedTextureBounds.xy, + normalizedTextureBounds.zw)).r; + float textDistanceD = fwidth(textDistance); + float textAlpha = smoothstep(0.5 - textDistanceD, 0.5, textDistance); vec4 textPixel = color * textAlpha; fragColor = mix(shadowPixel, textPixel, textPixel.a); |