mirrors/kitty
1
0
Fork 0
mirror of https://github.com/kovidgoyal/kitty synced 2026-07-21 07:55:10 +02:00
Code Issues Packages Projects Releases Wiki Activity

Simplify passing colors to the borders shader

Browse Source
This commit is contained in:
Kovid Goyal
2022-12-04 16:08:32 +05:30
parent 7a348d6ef1
commit 8e0e70e2d6
3 changed files with 27 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
kitty/border_vertex.glsl
View File

@@ -1,11 +1,6 @@
#version GLSL_VERSION
uniform uvec2 viewport;
uniform vec3 default_bg;
uniform vec3 active_border_color;
uniform vec3 inactive_border_color;
uniform vec3 bell_border_color;
uniform vec3 tab_bar_bg;
uniform vec3 tab_bar_margin_color;
uniform uint colors[9];
uniform float background_opacity;
uniform float tint_opacity, tint_premult;
in vec4 rect; // left, top, right, bottom
@@ -30,16 +25,24 @@ float to_color(uint c) {
return float(c & FF) / 255.0;
}
#define W(bit_number, which_color) ((float(((1 << bit_number) & rc) >> bit_number)) * which_color)
float is_integer_value(uint c, float x) {
return 1. - step(0.5, abs(float(c) - x));
}
vec3 as_color_vector(uint c, int shift) {
return vec3(to_color(c >> shift), to_color(c >> (shift - 8)), to_color(c >> (shift - 16)));
}
void main() {
uvec2 pos = pos_map[gl_VertexID];
gl_Position = vec4(rect[pos.x], rect[pos.y], 0, 1);
int rc = int(rect_color);
vec3 window_bg = vec3(to_color(rect_color >> 24), to_color(rect_color >> 16), to_color(rect_color >> 8));
vec3 color3 = W(0, default_bg) + W(1, active_border_color) + W(2, inactive_border_color) + W(3, window_bg) + W(4, bell_border_color) + W(5, tab_bar_bg) + W(6, tab_bar_margin_color);
float is_default_bg = float(rc & 1);
float final_opacity = is_default_bg * tint_opacity + (1 - is_default_bg) * background_opacity;
float final_premult_opacity = is_default_bg * tint_premult + (1 - is_default_bg) * background_opacity;
vec3 window_bg = as_color_vector(rect_color, 24);
uint rc = rect_color & FF;
vec3 color3 = as_color_vector(colors[rc], 16);
float is_window_bg = is_integer_value(rc, 3.);
float is_default_bg = is_integer_value(rc, 0.);
color3 = is_window_bg * window_bg + (1. - is_window_bg) * color3;
float final_opacity = is_default_bg * tint_opacity + (1. - is_default_bg) * background_opacity;
float final_premult_opacity = is_default_bg * tint_premult + (1. - is_default_bg) * background_opacity;
color = vec4(color3 * final_premult_opacity, final_opacity);
}