mirror of
				https://gitlab.freedesktop.org/wlroots/wlroots.git
				synced 2025-11-03 09:01:40 -05:00 
			
		
		
		
	surface: do not monkey-patch state damage
This commit is contained in:
		
							parent
							
								
									adf0423f7c
								
							
						
					
					
						commit
						233bfe2f4f
					
				
					 3 changed files with 89 additions and 90 deletions
				
			
		| 
						 | 
				
			
			@ -33,6 +33,7 @@ struct wlr_surface_state {
 | 
			
		|||
	int width, height; // in surface-local coordinates
 | 
			
		||||
	int buffer_width, buffer_height;
 | 
			
		||||
	int sx, sy; // in surface-local coordinates
 | 
			
		||||
	pixman_region32_t damage; // in buffer-local coordinates
 | 
			
		||||
 | 
			
		||||
	struct wl_listener buffer_destroy_listener;
 | 
			
		||||
};
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -146,6 +146,9 @@ static bool surface_intersect_output(struct wlr_surface *surface,
 | 
			
		|||
	double ox = lx, oy = ly;
 | 
			
		||||
	wlr_output_layout_output_coords(output_layout, wlr_output, &ox, &oy);
 | 
			
		||||
 | 
			
		||||
	ox += surface->current.sx;
 | 
			
		||||
	oy += surface->current.sy;
 | 
			
		||||
 | 
			
		||||
	if (box != NULL) {
 | 
			
		||||
		box->x = ox * wlr_output->scale;
 | 
			
		||||
		box->y = oy * wlr_output->scale;
 | 
			
		||||
| 
						 | 
				
			
			@ -694,8 +697,9 @@ static void damage_from_surface(struct wlr_surface *surface, int sx, int sy,
 | 
			
		|||
 | 
			
		||||
	pixman_region32_t damage;
 | 
			
		||||
	pixman_region32_init(&damage);
 | 
			
		||||
	pixman_region32_copy(&damage, &surface->current.surface_damage);
 | 
			
		||||
	wlr_region_scale(&damage, &damage, wlr_output->scale);
 | 
			
		||||
	pixman_region32_copy(&damage, &surface->current.damage);
 | 
			
		||||
	wlr_region_scale(&damage, &damage,
 | 
			
		||||
		wlr_output->scale / (float)surface->current.scale);
 | 
			
		||||
	if (ceil(wlr_output->scale) > surface->current.scale) {
 | 
			
		||||
		// When scaling up a surface, it'll become blurry so we need to
 | 
			
		||||
		// expand the damage region
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -139,49 +139,49 @@ static void surface_set_input_region(struct wl_client *client,
 | 
			
		|||
	}
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static bool surface_update_size(struct wlr_surface *surface,
 | 
			
		||||
		struct wlr_surface_state *state) {
 | 
			
		||||
	if (!state->buffer) {
 | 
			
		||||
		pixman_region32_union_rect(&state->surface_damage,
 | 
			
		||||
			&state->surface_damage, 0, 0, state->width, state->height);
 | 
			
		||||
		state->height = 0;
 | 
			
		||||
		state->width = 0;
 | 
			
		||||
		return true;
 | 
			
		||||
	}
 | 
			
		||||
static void surface_state_update_size(struct wlr_surface_state *state) {
 | 
			
		||||
	int width = state->buffer_width / state->scale;
 | 
			
		||||
	int height = state->buffer_height / state->scale;
 | 
			
		||||
 | 
			
		||||
	int scale = state->scale;
 | 
			
		||||
	enum wl_output_transform transform = state->transform;
 | 
			
		||||
 | 
			
		||||
	wlr_buffer_get_resource_size(state->buffer, surface->renderer,
 | 
			
		||||
		&state->buffer_width, &state->buffer_height);
 | 
			
		||||
 | 
			
		||||
	int width = state->buffer_width / scale;
 | 
			
		||||
	int height = state->buffer_height / scale;
 | 
			
		||||
 | 
			
		||||
	if (transform == WL_OUTPUT_TRANSFORM_90 ||
 | 
			
		||||
			transform == WL_OUTPUT_TRANSFORM_270 ||
 | 
			
		||||
			transform == WL_OUTPUT_TRANSFORM_FLIPPED_90 ||
 | 
			
		||||
			transform == WL_OUTPUT_TRANSFORM_FLIPPED_270) {
 | 
			
		||||
	if ((state->transform & WL_OUTPUT_TRANSFORM_90) != 0) {
 | 
			
		||||
		int tmp = width;
 | 
			
		||||
		width = height;
 | 
			
		||||
		height = tmp;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	bool update_damage = false;
 | 
			
		||||
	if (width != state->width || height != state->height) {
 | 
			
		||||
		// Damage the whole surface on resize
 | 
			
		||||
		// This isn't in the spec, but Weston does it and QT expects it
 | 
			
		||||
		pixman_region32_union_rect(&state->surface_damage,
 | 
			
		||||
			&state->surface_damage, 0, 0, state->width, state->height);
 | 
			
		||||
		pixman_region32_union_rect(&state->surface_damage,
 | 
			
		||||
			&state->surface_damage, 0, 0, width, height);
 | 
			
		||||
		update_damage = true;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	state->width = width;
 | 
			
		||||
	state->height = height;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
	return update_damage;
 | 
			
		||||
static void surface_state_update_damage(struct wlr_surface_state *state,
 | 
			
		||||
		struct wlr_surface_state *next) {
 | 
			
		||||
	pixman_region32_clear(&state->damage);
 | 
			
		||||
 | 
			
		||||
	if (next->buffer_width != state->buffer_width ||
 | 
			
		||||
			next->buffer_height != state->buffer_height) {
 | 
			
		||||
		// Damage the whole surface on resize
 | 
			
		||||
		pixman_region32_union_rect(&state->damage,
 | 
			
		||||
			&state->damage, state->sx * state->scale, state->sy * state->scale,
 | 
			
		||||
			state->buffer_width, state->buffer_height);
 | 
			
		||||
		pixman_region32_union_rect(&state->damage,
 | 
			
		||||
			&state->damage, next->sx * next->scale, next->sy * next->scale,
 | 
			
		||||
			next->buffer_width, next->buffer_height);
 | 
			
		||||
	} else {
 | 
			
		||||
		// Copy over surface damage + buffer damage
 | 
			
		||||
		pixman_region32_union(&state->damage, &state->damage,
 | 
			
		||||
			&next->buffer_damage);
 | 
			
		||||
 | 
			
		||||
		pixman_region32_t surface_damage;
 | 
			
		||||
		pixman_region32_init(&surface_damage);
 | 
			
		||||
		pixman_region32_copy(&surface_damage, &next->surface_damage);
 | 
			
		||||
		wlr_region_transform(&surface_damage, &surface_damage, next->transform,
 | 
			
		||||
			next->buffer_width, next->buffer_height);
 | 
			
		||||
		wlr_region_scale(&surface_damage, &surface_damage, next->scale);
 | 
			
		||||
		pixman_region32_union(&state->damage, &state->damage, &surface_damage);
 | 
			
		||||
		pixman_region32_fini(&surface_damage);
 | 
			
		||||
 | 
			
		||||
		// TODO: handle sx, sy
 | 
			
		||||
	}
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
| 
						 | 
				
			
			@ -189,16 +189,49 @@ static bool surface_update_size(struct wlr_surface *surface,
 | 
			
		|||
 */
 | 
			
		||||
static void surface_move_state(struct wlr_surface *surface,
 | 
			
		||||
		struct wlr_surface_state *next, struct wlr_surface_state *state) {
 | 
			
		||||
	bool update_damage = false;
 | 
			
		||||
	bool update_size = false;
 | 
			
		||||
	// Commit next state
 | 
			
		||||
 | 
			
		||||
	if ((next->committed & WLR_SURFACE_STATE_BUFFER)) {
 | 
			
		||||
		wlr_buffer_get_resource_size(next->buffer, surface->renderer,
 | 
			
		||||
			&next->buffer_width, &next->buffer_height);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	surface_state_update_size(next);
 | 
			
		||||
 | 
			
		||||
	next->sx += next->dx;
 | 
			
		||||
	next->sy += next->dy;
 | 
			
		||||
 | 
			
		||||
	pixman_region32_intersect_rect(&next->surface_damage,
 | 
			
		||||
		&next->surface_damage, 0, 0, next->width, next->height);
 | 
			
		||||
 | 
			
		||||
	pixman_region32_intersect_rect(&next->buffer_damage,
 | 
			
		||||
		&next->buffer_damage, 0, 0, next->buffer_width,
 | 
			
		||||
		next->buffer_height);
 | 
			
		||||
 | 
			
		||||
	pixman_region32_intersect_rect(&next->opaque, &next->opaque,
 | 
			
		||||
		0, 0, next->width, next->height);
 | 
			
		||||
 | 
			
		||||
	pixman_region32_intersect_rect(&next->input, &next->input,
 | 
			
		||||
		0, 0, next->width, next->height);
 | 
			
		||||
 | 
			
		||||
	// Compute new state
 | 
			
		||||
 | 
			
		||||
	surface_state_update_damage(state, next);
 | 
			
		||||
 | 
			
		||||
	state->width = next->width;
 | 
			
		||||
	state->height = next->height;
 | 
			
		||||
	state->buffer_width = next->buffer_width;
 | 
			
		||||
	state->buffer_height = next->buffer_height;
 | 
			
		||||
	state->sx = next->sx;
 | 
			
		||||
	state->sy = next->sy;
 | 
			
		||||
 | 
			
		||||
	// Move state from next one, clear next state
 | 
			
		||||
 | 
			
		||||
	if ((next->committed & WLR_SURFACE_STATE_SCALE)) {
 | 
			
		||||
		state->scale = next->scale;
 | 
			
		||||
		update_size = true;
 | 
			
		||||
	}
 | 
			
		||||
	if ((next->committed & WLR_SURFACE_STATE_TRANSFORM)) {
 | 
			
		||||
		state->transform = next->transform;
 | 
			
		||||
		update_size = true;
 | 
			
		||||
	}
 | 
			
		||||
	if ((next->committed & WLR_SURFACE_STATE_BUFFER)) {
 | 
			
		||||
		surface_state_set_buffer(state, next->buffer);
 | 
			
		||||
| 
						 | 
				
			
			@ -206,64 +239,25 @@ static void surface_move_state(struct wlr_surface *surface,
 | 
			
		|||
		state->dx = next->dx;
 | 
			
		||||
		state->dy = next->dy;
 | 
			
		||||
		next->dx = next->dy = 0;
 | 
			
		||||
		state->sx += state->dx;
 | 
			
		||||
		state->sy += state->dy;
 | 
			
		||||
		update_size = true;
 | 
			
		||||
	} else {
 | 
			
		||||
		state->dx = state->dy = 0;
 | 
			
		||||
	}
 | 
			
		||||
	if (update_size) {
 | 
			
		||||
		update_damage = surface_update_size(surface, state);
 | 
			
		||||
	}
 | 
			
		||||
	if ((next->committed & WLR_SURFACE_STATE_SURFACE_DAMAGE)) {
 | 
			
		||||
		pixman_region32_intersect_rect(&next->surface_damage,
 | 
			
		||||
			&next->surface_damage, 0, 0, state->width, state->height);
 | 
			
		||||
		pixman_region32_union(&state->surface_damage, &state->surface_damage,
 | 
			
		||||
			&next->surface_damage);
 | 
			
		||||
		pixman_region32_copy(&state->surface_damage, &next->surface_damage);
 | 
			
		||||
		pixman_region32_clear(&next->surface_damage);
 | 
			
		||||
		update_damage = true;
 | 
			
		||||
	} else {
 | 
			
		||||
		pixman_region32_clear(&state->surface_damage);
 | 
			
		||||
	}
 | 
			
		||||
	if ((next->committed & WLR_SURFACE_STATE_BUFFER_DAMAGE)) {
 | 
			
		||||
		pixman_region32_intersect_rect(&next->buffer_damage,
 | 
			
		||||
			&next->buffer_damage, 0, 0, state->buffer_width,
 | 
			
		||||
			state->buffer_height);
 | 
			
		||||
		pixman_region32_union(&state->buffer_damage, &state->buffer_damage,
 | 
			
		||||
			&next->buffer_damage);
 | 
			
		||||
		pixman_region32_copy(&state->buffer_damage, &next->buffer_damage);
 | 
			
		||||
		pixman_region32_clear(&next->buffer_damage);
 | 
			
		||||
		update_damage = true;
 | 
			
		||||
	}
 | 
			
		||||
	if (update_damage) {
 | 
			
		||||
		pixman_region32_t buffer_damage, surface_damage;
 | 
			
		||||
		pixman_region32_init(&buffer_damage);
 | 
			
		||||
		pixman_region32_init(&surface_damage);
 | 
			
		||||
 | 
			
		||||
		// Surface to buffer damage
 | 
			
		||||
		pixman_region32_copy(&buffer_damage, &state->surface_damage);
 | 
			
		||||
		wlr_region_transform(&buffer_damage, &buffer_damage,
 | 
			
		||||
			wlr_output_transform_invert(state->transform),
 | 
			
		||||
			state->width, state->height);
 | 
			
		||||
		wlr_region_scale(&buffer_damage, &buffer_damage, state->scale);
 | 
			
		||||
 | 
			
		||||
		// Buffer to surface damage
 | 
			
		||||
		pixman_region32_copy(&surface_damage, &state->buffer_damage);
 | 
			
		||||
		wlr_region_transform(&surface_damage, &surface_damage, state->transform,
 | 
			
		||||
			state->buffer_width, state->buffer_height);
 | 
			
		||||
		wlr_region_scale(&surface_damage, &surface_damage, 1.0f/state->scale);
 | 
			
		||||
 | 
			
		||||
		pixman_region32_union(&state->buffer_damage, &state->buffer_damage,
 | 
			
		||||
			&buffer_damage);
 | 
			
		||||
		pixman_region32_union(&state->surface_damage, &state->surface_damage,
 | 
			
		||||
			&surface_damage);
 | 
			
		||||
 | 
			
		||||
		pixman_region32_fini(&buffer_damage);
 | 
			
		||||
		pixman_region32_fini(&surface_damage);
 | 
			
		||||
	} else {
 | 
			
		||||
		pixman_region32_clear(&state->buffer_damage);
 | 
			
		||||
	}
 | 
			
		||||
	if ((next->committed & WLR_SURFACE_STATE_OPAQUE_REGION)) {
 | 
			
		||||
		// TODO: process buffer
 | 
			
		||||
		pixman_region32_clear(&next->opaque);
 | 
			
		||||
		pixman_region32_copy(&state->opaque, &next->opaque);
 | 
			
		||||
	}
 | 
			
		||||
	if ((next->committed & WLR_SURFACE_STATE_INPUT_REGION)) {
 | 
			
		||||
		// TODO: process buffer
 | 
			
		||||
		pixman_region32_copy(&state->input, &next->input);
 | 
			
		||||
	}
 | 
			
		||||
	if ((next->committed & WLR_SURFACE_STATE_FRAME_CALLBACK_LIST)) {
 | 
			
		||||
| 
						 | 
				
			
			@ -307,7 +301,8 @@ static void surface_apply_damage(struct wlr_surface *surface) {
 | 
			
		|||
	if (surface->buffer != NULL && surface->buffer->released) {
 | 
			
		||||
		pixman_region32_t damage;
 | 
			
		||||
		pixman_region32_init(&damage);
 | 
			
		||||
		pixman_region32_copy(&damage, &surface->current.buffer_damage);
 | 
			
		||||
		pixman_region32_copy(&damage, &surface->current.damage);
 | 
			
		||||
		// TODO: translate sx, sy
 | 
			
		||||
		pixman_region32_intersect_rect(&damage, &damage, 0, 0,
 | 
			
		||||
			surface->current.buffer_width, surface->current.buffer_height);
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -361,9 +356,6 @@ static void surface_commit_pending(struct wlr_surface *surface) {
 | 
			
		|||
	}
 | 
			
		||||
 | 
			
		||||
	wlr_signal_emit_safe(&surface->events.commit, surface);
 | 
			
		||||
 | 
			
		||||
	pixman_region32_clear(&surface->current.surface_damage);
 | 
			
		||||
	pixman_region32_clear(&surface->current.buffer_damage);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static bool subsurface_is_synchronized(struct wlr_subsurface *subsurface) {
 | 
			
		||||
| 
						 | 
				
			
			@ -500,6 +492,7 @@ static void surface_state_init(struct wlr_surface_state *state) {
 | 
			
		|||
	pixman_region32_init(&state->opaque);
 | 
			
		||||
	pixman_region32_init_rect(&state->input,
 | 
			
		||||
		INT32_MIN, INT32_MIN, UINT32_MAX, UINT32_MAX);
 | 
			
		||||
	pixman_region32_init(&state->damage);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static void surface_state_finish(struct wlr_surface_state *state) {
 | 
			
		||||
| 
						 | 
				
			
			@ -514,6 +507,7 @@ static void surface_state_finish(struct wlr_surface_state *state) {
 | 
			
		|||
	pixman_region32_fini(&state->buffer_damage);
 | 
			
		||||
	pixman_region32_fini(&state->opaque);
 | 
			
		||||
	pixman_region32_fini(&state->input);
 | 
			
		||||
	pixman_region32_fini(&state->damage);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static void subsurface_destroy(struct wlr_subsurface *subsurface) {
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
		Loading…
	
	Add table
		Add a link
		
	
		Reference in a new issue