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Fix SPECIAL stage in interleaved rendering

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Kovid Goyal
2017-11-23 19:56:07 +05:30
parent 444d9536a7
commit be6151730d
3 changed files with 17 additions and 9 deletions
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18
kitty/cell_vertex.glsl
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@@ -41,7 +41,7 @@ const uvec2 cell_pos_map[] = uvec2[4](
#ifdef NEEDS_BACKROUND
out vec3 background;
#ifdef TRANSPARENT
#if defined(TRANSPARENT) || defined(SPECIAL)
out float bg_alpha;
#endif
#endif
@@ -173,18 +173,24 @@ void main() {
#if defined(BACKGROUND)
background = bg;
#else
// Selection and cursor
bg = choose_color(is_selected, color_to_vec(highlight_bg), bg);
background = choose_color(cursor, color_to_vec(cursor_color), bg);
#endif
#ifdef TRANSPARENT
#if defined(TRANSPARENT) && !defined(SPECIAL)
// If the background color is default, set its opacity to background_opacity, otherwise it should be opaque
bg_alpha = step(0.5, float(colors[bg_index] & BYTE_MASK));
bg_alpha = bg_alpha + (1.0f - bg_alpha) * background_opacity;
#endif
#if defined(SPECIAL) || defined(SIMPLE)
// Selection and cursor
bg = choose_color(is_selected, color_to_vec(highlight_bg), bg);
background = choose_color(cursor, color_to_vec(cursor_color), bg);
#ifdef SPECIAL
// bg_alpha should be 1 if cursor/selection otherwise 0
bg_alpha = mix(0.0, 1.0, step(0.5, is_selected + cursor));
#endif
#endif
#endif
// }}}