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Add a note about yet another gnome bug

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This commit is contained in:
Kovid Goyal 2022-10-03 22:06:00 +05:30
parent 4d80427908
commit c8d18ffe26
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 4 additions and 4 deletions
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8
kitty/shaders.c
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@ -517,12 +517,12 @@ has_bgimage(OSWindow *w) {
static void
draw_tint(bool premult, Screen *screen, const CellRenderData *crd) {
// On GNOME+Wayland this causes ghosting while rendering. Yet another GNOME bug, does not occur under KDE, Hyprland or Sway.
bind_program(TINT_PROGRAM);
color_type window_bg = colorprofile_to_color(screen->color_profile, screen->color_profile->overridden.default_bg, screen->color_profile->configured.default_bg).rgb;
#define C(shift) ((((GLfloat)((window_bg >> shift) & 0xFF)) / 255.0f))
float alpha = OPT(background_tint);
if (premult) glUniform4f(tint_program_layout.tint_color_location, C(16) * alpha, C(8) * alpha, C(0) * alpha, alpha);
else glUniform4f(tint_program_layout.tint_color_location, C(16), C(8), C(0), alpha);
#define C(shift) ((((GLfloat)((window_bg >> shift) & 0xFF)) / 255.0f)) * premult_factor
GLfloat premult_factor = premult ? OPT(background_tint) : 1.0f;
glUniform4f(tint_program_layout.tint_color_location, C(16), C(8), C(0), OPT(background_tint));
#undef C
glUniform4f(tint_program_layout.edges_location, crd->gl.xstart, crd->gl.ystart - crd->gl.height, crd->gl.xstart + crd->gl.width, crd->gl.ystart);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);