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Adjust attenuation based on color

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Kovid Goyal
2021-08-11 12:41:09 +05:30
parent a803c8bcc5
commit 9c4a890688
1 changed files with 8 additions and 4 deletions
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12
kitty/shaders.c
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@@ -464,11 +464,15 @@ draw_visual_bell_flash(GLfloat intensity, GLfloat xstart, GLfloat ystart, GLfloa
// BLEND_PREMULT
glBlendFuncSeparate(GL_ONE, GL_ONE_MINUS_SRC_ALPHA, GL_ZERO, GL_ONE);
bind_program(TINT_PROGRAM);
// TODO config option worth?
GLfloat attenuation = 0.4f;
color_type flash = colorprofile_to_color(screen->color_profile, screen->color_profile->overridden.highlight_bg, screen->color_profile->configured.highlight_bg);
#define C(shift) ((((GLfloat)((flash >> shift) & 0xFF)) / 255.0f) * intensity * attenuation)
glUniform4f(tint_program_layout.tint_color_location, C(16), C(8), C(0), intensity * attenuation);
const color_type flash = colorprofile_to_color(screen->color_profile, screen->color_profile->overridden.highlight_bg, screen->color_profile->configured.highlight_bg);
#define C(shift) ((((GLfloat)((flash >> shift) & 0xFF)) / 255.0f) )
const GLfloat r = C(16), g = C(8), b = C(0);
const GLfloat max_channel = r > g ? (r > b ? r : b) : (g > b ? g : b);
#undef C
#define C(x) (x * intensity * attenuation)
if (max_channel > 0.45) attenuation = 0.6f; // light color
glUniform4f(tint_program_layout.tint_color_location, C(r), C(g), C(b), C(1));
#undef C
glUniform4f(tint_program_layout.edges_location, xstart, ystart - h, xstart + w, ystart);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);