diff options
Diffstat (limited to 'alacritty/res/rect.f.glsl')
| -rw-r--r-- | alacritty/res/rect.f.glsl | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/alacritty/res/rect.f.glsl b/alacritty/res/rect.f.glsl index 9af76ae4..aad8b418 100644 --- a/alacritty/res/rect.f.glsl +++ b/alacritty/res/rect.f.glsl @@ -1,14 +1,7 @@ #version 330 core -// We're using `origin_upper_left`, since we only known about padding from left -// and top. If we use default `origin_bottom_left` we won't be able to offset -// `gl_FragCoord` properly to align with the terminal grid. -layout(origin_upper_left) in vec4 gl_FragCoord; - flat in vec4 color; - out vec4 FragColor; - uniform int rectKind; uniform float cellWidth; @@ -31,8 +24,8 @@ vec4 draw_undercurl(int x, int y) { // We use `undercurlPosition` as an amplitude, since it's half of the descent // value. float undercurl = - -1. * undercurlPosition / 2. * cos(float(x) * 2 * PI / cellWidth) + - cellHeight - undercurlPosition; + undercurlPosition / 2. * cos(float(x) * 2 * PI / cellWidth) + + + undercurlPosition - 1.; float undercurlTop = undercurl + max((underlineThickness - 1), 0); float undercurlBottom = undercurl - max((underlineThickness - 1), 0); @@ -54,7 +47,7 @@ vec4 draw_dotted_aliased(float x, float y) { int dotNumber = int(x / underlineThickness); float radius = underlineThickness / 2.; - float centerY = cellHeight - underlinePosition; + float centerY = underlinePosition - 1.; float leftCenter = (dotNumber - dotNumber % 2) * underlineThickness + radius; float rightCenter = leftCenter + 2 * underlineThickness; @@ -81,7 +74,7 @@ vec4 draw_dotted(int x, int y) { // Since we use the entire descent area for dotted underlines, we limit its // height to a single pixel so we don't draw bars instead of dots. - float alpha = 1. - abs(round(cellHeight - underlinePosition) - y); + float alpha = 1. - abs(round(underlinePosition - 1.) - y); if (x % 2 != cellEven) { alpha = 0; } |