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damage-refinery: Use damage hint

pixman-rendering
Andri Yngvason 2020-06-22 20:07:24 +00:00
parent 7fda124c69
commit ba23559283
1 changed files with 28 additions and 7 deletions
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35
src/damage-refinery.c
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@ -80,23 +80,44 @@ static void damage_refine_tile(struct damage_refinery* self,
32);
}
static void tile_region_from_region(struct pixman_region16* dst,
struct pixman_region16* src)
{
int n_rects = 0;
struct pixman_box16* rects = pixman_region_rectangles(src, &n_rects);
for (int i = 0; i < n_rects; ++i) {
int x1 = rects[i].x1 / 32;
int y1 = rects[i].y1 / 32;
int x2 = UDIV_UP(rects[i].x2, 32);
int y2 = UDIV_UP(rects[i].y2, 32);
pixman_region_union_rect(dst, dst, x1, y1, x2 - x1, y2 - y1);
}
}
void damage_refine(struct damage_refinery* self,
struct pixman_region16* refined,
struct pixman_region16* hint,
const struct wv_buffer* buffer)
{
// TODO: Use hint
assert(self->width == (uint32_t)buffer->width &&
self->height == (uint32_t)buffer->height);
uint32_t twidth = UDIV_UP(self->width, 32);
uint32_t theight = UDIV_UP(self->height, 32);
struct pixman_region16 tile_region;
pixman_region_init(&tile_region);
tile_region_from_region(&tile_region, hint);
for (uint32_t ty = 0; ty < theight; ++ty)
for (uint32_t tx = 0; tx < twidth; ++tx)
damage_refine_tile(self, refined, tx, ty, buffer);
int n_rects = 0;
struct pixman_box16* rects = pixman_region_rectangles(&tile_region,
&n_rects);
for (int i = 0; i < n_rects; ++i)
for (int ty = rects[i].y1; ty < rects[i].y2; ++ty)
for (int tx = rects[i].x1; tx < rects[i].x2; ++tx)
damage_refine_tile(self, refined, tx, ty, buffer);
pixman_region_fini(&tile_region);
pixman_region_intersect_rect(refined, refined, 0, 0, self->width,
self->height);
}