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Fix #6230

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This commit is contained in:
Kovid Goyal 2023-05-03 18:25:07 +05:30
parent 8f96395f74
commit a77b2b20c2
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 10 additions and 5 deletions
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15
kitty/shaders.c
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@ -434,8 +434,13 @@ draw_bg(OSWindow *w) {
glUniform1i(bgimage_program_layout.image_location, BGIMAGE_UNIT);
glUniform1f(bgimage_program_layout.opacity_location, OPT(background_opacity));
#ifdef __APPLE__
int window_width = w->window_width, window_height = w->window_height;
#else
int window_width = w->viewport_width, window_height = w->viewport_height;
#endif
glUniform4f(bgimage_program_layout.sizes_location,
(GLfloat)w->viewport_width, (GLfloat)w->viewport_height, (GLfloat)w->bgimage->width, (GLfloat)w->bgimage->height);
(GLfloat)window_width, (GLfloat)window_height, (GLfloat)w->bgimage->width, (GLfloat)w->bgimage->height);
glUniform1f(bgimage_program_layout.premult_location, w->is_semi_transparent ? 1.f : 0.f);
GLfloat tiled = 0.f;;
GLfloat left = -1.0, top = 1.0, right = 1.0, bottom = -1.0;
@ -446,12 +451,12 @@ draw_bg(OSWindow *w) {
tiled = 0.f; break;
case CENTER_CLAMPED:
tiled = 1.f;
if (w->viewport_width > (int)w->bgimage->width) {
GLfloat frac = (w->viewport_width - w->bgimage->width) / (GLfloat)w->viewport_width;
if (window_width > (int)w->bgimage->width) {
GLfloat frac = (window_width - w->bgimage->width) / (GLfloat)window_width;
left += frac; right += frac;
}
if (w->viewport_height > (int)w->bgimage->height) {
GLfloat frac = (w->viewport_height - w->bgimage->height) / (GLfloat)w->viewport_height;
if (window_height > (int)w->bgimage->height) {
GLfloat frac = (window_height - w->bgimage->height) / (GLfloat)window_height;
top -= frac; bottom -= frac;
}
break;