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compositor: don't handle size or viewport src change in surface_update_damage()

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This is incorrectly leads to buffer reuploading.
This commit is contained in:
Kirill Primak 2024-01-10 22:49:22 +03:00 committed by Simon Ser
parent 7dfbd87771
commit 5b08f91004
1 changed files with 30 additions and 38 deletions
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68
types/wlr_compositor.c
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@ -249,47 +249,39 @@ static void surface_update_damage(pixman_region32_t *buffer_damage,
struct wlr_surface_state *current, struct wlr_surface_state *pending) { struct wlr_surface_state *current, struct wlr_surface_state *pending) {
pixman_region32_clear(buffer_damage); pixman_region32_clear(buffer_damage);
if (pending->width != current->width || // Copy over surface damage + buffer damage
pending->height != current->height || pixman_region32_t surface_damage;
!wlr_fbox_equal(&pending->viewport.src, &current->viewport.src)) { pixman_region32_init(&surface_damage);
// Damage the whole buffer on resize or viewport source box change
pixman_region32_union_rect(buffer_damage, buffer_damage, 0, 0,
pending->buffer_width, pending->buffer_height);
} else {
// Copy over surface damage + buffer damage
pixman_region32_t surface_damage;
pixman_region32_init(&surface_damage);
pixman_region32_copy(&surface_damage, &pending->surface_damage); pixman_region32_copy(&surface_damage, &pending->surface_damage);
if (pending->viewport.has_dst) { if (pending->viewport.has_dst) {
int src_width, src_height; int src_width, src_height;
surface_state_viewport_src_size(pending, &src_width, &src_height); surface_state_viewport_src_size(pending, &src_width, &src_height);
float scale_x = (float)pending->viewport.dst_width / src_width; float scale_x = (float)pending->viewport.dst_width / src_width;
float scale_y = (float)pending->viewport.dst_height / src_height; float scale_y = (float)pending->viewport.dst_height / src_height;
wlr_region_scale_xy(&surface_damage, &surface_damage, wlr_region_scale_xy(&surface_damage, &surface_damage,
1.0 / scale_x, 1.0 / scale_y); 1.0 / scale_x, 1.0 / scale_y);
}
if (pending->viewport.has_src) {
// This is lossy: do a best-effort conversion
pixman_region32_translate(&surface_damage,
floor(pending->viewport.src.x),
floor(pending->viewport.src.y));
}
wlr_region_scale(&surface_damage, &surface_damage, pending->scale);
int width, height;
surface_state_transformed_buffer_size(pending, &width, &height);
wlr_region_transform(&surface_damage, &surface_damage,
wlr_output_transform_invert(pending->transform),
width, height);
pixman_region32_union(buffer_damage,
&pending->buffer_damage, &surface_damage);
pixman_region32_fini(&surface_damage);
} }
if (pending->viewport.has_src) {
// This is lossy: do a best-effort conversion
pixman_region32_translate(&surface_damage,
floor(pending->viewport.src.x),
floor(pending->viewport.src.y));
}
wlr_region_scale(&surface_damage, &surface_damage, pending->scale);
int width, height;
surface_state_transformed_buffer_size(pending, &width, &height);
wlr_region_transform(&surface_damage, &surface_damage,
wlr_output_transform_invert(pending->transform),
width, height);
pixman_region32_union(buffer_damage,
&pending->buffer_damage, &surface_damage);
pixman_region32_fini(&surface_damage);
} }
static void *surface_synced_create_state(struct wlr_surface_synced *synced) { static void *surface_synced_create_state(struct wlr_surface_synced *synced) {