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[uwac] window: fix damage region dimensions (rounding errors)

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Mariusz Bialonczyk 2024-01-02 20:25:11 +01:00 committed by akallabeth
parent d56af70dc1
commit 09c1269962
1 changed files with 16 additions and 4 deletions
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20
uwac/libuwac/uwac-window.c
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@ -680,11 +680,17 @@ static const struct wl_callback_listener frame_listener = { frame_done_cb };
static void damage_surface(UwacWindow* window, UwacBuffer* buffer, int scale) static void damage_surface(UwacWindow* window, UwacBuffer* buffer, int scale)
{ {
int nrects, i; int nrects, i;
int x, y, w, h;
const pixman_box32_t* box = pixman_region32_rectangles(&buffer->damage, &nrects); const pixman_box32_t* box = pixman_region32_rectangles(&buffer->damage, &nrects);
for (i = 0; i < nrects; i++, box++) for (i = 0; i < nrects; i++, box++)
wl_surface_damage(window->surface, box->x1 / scale, box->y1 / scale, {
(box->x2 - box->x1) / scale, (box->y2 - box->y1) / scale); x = ((int)floor(box->x1 / scale)) - 1;
y = ((int)floor(box->y1 / scale)) - 1;
w = ((int)ceil((box->x2 - box->x1) / scale)) + 2;
h = ((int)ceil((box->y2 - box->y1) / scale)) + 2;
wl_surface_damage(window->surface, x, y, w, h);
}
pixman_region32_clear(&buffer->damage); pixman_region32_clear(&buffer->damage);
} }
@ -692,11 +698,17 @@ static void damage_surface(UwacWindow* window, UwacBuffer* buffer, int scale)
static void damage_surface(UwacWindow* window, UwacBuffer* buffer, int scale) static void damage_surface(UwacWindow* window, UwacBuffer* buffer, int scale)
{ {
uint32_t nrects, i; uint32_t nrects, i;
int x, y, w, h;
const RECTANGLE_16* box = region16_rects(&buffer->damage, &nrects); const RECTANGLE_16* box = region16_rects(&buffer->damage, &nrects);
for (i = 0; i < nrects; i++, box++) for (i = 0; i < nrects; i++, box++)
wl_surface_damage(window->surface, box->left / scale, box->top / scale, {
(box->right - box->left) / scale, (box->bottom - box->top) / scale); x = ((int)floor(box->left / scale)) - 1;
y = ((int)floor(box->top / scale)) - 1;
w = ((int)ceil((box->right - box->left) / scale)) + 2;
h = ((int)ceil((box->bottom - box->top) / scale)) + 2;
wl_surface_damage(window->surface, x, y, w, h);
}
region16_clear(&buffer->damage); region16_clear(&buffer->damage);
} }