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shader: only downsample glyph if its bigger than width plus padding

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This commit is contained in:
Mitchell Hashimoto
2022-08-28 16:57:30 -07:00
parent d8a06e7768
commit 483bb90cf9
1 changed files with 4 additions and 2 deletions
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6
shaders/cell.v.glsl
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@ -129,9 +129,11 @@ void main() {
case MODE_FG_COLOR: case MODE_FG_COLOR:
vec2 glyph_offset_calc = glyph_offset; vec2 glyph_offset_calc = glyph_offset;
// If the glyph is larger than our cell, we need to downsample it // If the glyph is larger than our cell, we need to downsample it.
// The "+ 3" here is to give some wiggle room for fonts that are
// BARELY over it.
vec2 glyph_size_downsampled = glyph_size; vec2 glyph_size_downsampled = glyph_size;
if (glyph_size.x > cell_size.x) { if (glyph_size.x > (cell_size.x + 3)) {
glyph_size_downsampled.x = cell_size_scaled.x; glyph_size_downsampled.x = cell_size_scaled.x;
glyph_size_downsampled.y = glyph_size.y * (glyph_size_downsampled.x / glyph_size.x); glyph_size_downsampled.y = glyph_size.y * (glyph_size_downsampled.x / glyph_size.x);
glyph_offset_calc.y = glyph_offset.y * (glyph_size_downsampled.x / glyph_size.x); glyph_offset_calc.y = glyph_offset.y * (glyph_size_downsampled.x / glyph_size.x);