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step one to calculating extra cursor colors

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Kovid Goyal 2025-08-26 15:47:06 +05:30
parent 6d9dcc3171
commit 0307ae061e
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GPG key ID: 06BC317B515ACE7C
1 changed files with 18 additions and 6 deletions
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24
kitty/cell_vertex.glsl
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@ -92,6 +92,19 @@ vec3 to_color(uint c, uint defval) {
return color_to_vec(resolve_color(c, defval));
}
vec3 resolve_dynamic_color(uint c, vec3 special_val, vec3 defval) {
float type = float(c & BYTE_MASK);
c >>= 8;
#define q(which, val) one_if_equal_zero_otherwise(type, which) * val
return (
q(COLOR_IS_RGB, color_to_vec(c)) + q(COLOR_IS_INDEX, color_to_vec(color_table[c & BYTE_MASK])) +
q(COLOR_IS_SPECIAL, special_val) + q(COLOR_NOT_SET, defval)
);
#undef q
}
void resolve_extra_cursor_colors(out vec3 cursor_fg, out vec3 cursor_bg) {
}
uvec3 to_sprite_coords(uint idx) {
uint sprites_per_page = sprites_xnum * sprites_ynum;
@ -150,7 +163,7 @@ struct CellData {
vec3 cursor_fg, cursor_bg;
} cell_data;
CellData set_vertex_position() {
CellData set_vertex_position(vec3 cell_fg, vec3 cell_bg) {
uint instance_id = uint(gl_InstanceID);
float dx = 2.0 / float(columns);
float dy = 2.0 / float(lines);
@ -243,7 +256,6 @@ vec3 override_foreground_color(vec3 over, vec3 under) {
void main() {
CellData cell_data = set_vertex_position();
// set cell color indices {{{
uvec2 default_colors = uvec2(default_fg, bg_colors0);
@ -256,16 +268,16 @@ void main() {
uint has_mark = uint(step(1, float(mark)));
uint bg_as_uint = resolve_color(colors[bg_index], default_colors[bg_index]);
bg_as_uint = has_mark * color_table[NUM_COLORS + mark - 1] + (BIT_MASK - has_mark) * bg_as_uint;
float cell_has_default_bg = 1.f - step(1.f, abs(float(bg_as_uint - bg_colors0))); // 1 if has default bg else 0
vec3 bg = color_to_vec(bg_as_uint);
uint fg_as_uint = resolve_color(colors[fg_index], default_colors[fg_index]);
float cell_has_default_bg = 1.f - step(1.f, abs(float(bg_as_uint - bg_colors0))); // 1 if has default bg else 0
fg_as_uint = has_mark * color_table[NUM_COLORS + MARK_MASK + mark] + (1u - has_mark) * fg_as_uint;
vec3 foreground = color_to_vec(fg_as_uint);
CellData cell_data = set_vertex_position(foreground, bg);
// }}}
// Foreground {{{
#ifndef ONLY_BACKGROUND // background does not depend on foreground
fg_as_uint = has_mark * color_table[NUM_COLORS + MARK_MASK + mark] +
(BIT_MASK - has_mark) * fg_as_uint;
vec3 foreground = color_to_vec(fg_as_uint);
float has_dim = float((text_attrs >> DIM_SHIFT) & BIT_MASK), has_blink = float((text_attrs >> BLINK_SHIFT) & BIT_MASK);
effective_text_alpha = inactive_text_alpha * if_one_then(has_dim, dim_opacity, 1.0) * if_one_then(
has_blink, blink_opacity, 1.0);