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render: Clip surfaces to container bounds

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If a surface is associated with a sway container, we limit the
destination box to the container dimensions.

Floating views and popups are exempt from this clipping.
This commit is contained in:
Kenny Levinsen 2020-06-13 15:37:03 +02:00 • committed by Simon Ser
parent 1afedcb94c
commit a6544f5a64
1 changed files with 34 additions and 8 deletions
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42
sway/desktop/render.c
View file

@ -32,6 +32,7 @@
struct render_data { struct render_data {
pixman_region32_t *damage; pixman_region32_t *damage;
float alpha; float alpha;
struct sway_container *container;
}; };
/** /**
@ -149,15 +150,23 @@ static void render_surface_iterator(struct sway_output *output, struct sway_view
struct wlr_fbox src_box; struct wlr_fbox src_box;
wlr_surface_get_buffer_source_box(surface, &src_box); wlr_surface_get_buffer_source_box(surface, &src_box);
struct wlr_box dst_box = *_box; struct wlr_box proj_box = *_box;
scale_box(&dst_box, wlr_output->scale); scale_box(&proj_box, wlr_output->scale);
float matrix[9]; float matrix[9];
enum wl_output_transform transform = enum wl_output_transform transform =
wlr_output_transform_invert(surface->current.transform); wlr_output_transform_invert(surface->current.transform);
wlr_matrix_project_box(matrix, &dst_box, transform, rotation, wlr_matrix_project_box(matrix, &proj_box, transform, rotation,
wlr_output->transform_matrix); wlr_output->transform_matrix);
struct wlr_box dst_box = *_box;
struct sway_container *container = data->container;
if (container != NULL) {
dst_box.width = fmin(dst_box.width, container->current.content_width - surface->sx);
dst_box.height = fmin(dst_box.height, container->current.content_height - surface->sy);
}
scale_box(&dst_box, wlr_output->scale);
render_texture(wlr_output, output_damage, texture, render_texture(wlr_output, output_damage, texture,
&src_box, &dst_box, matrix, alpha); &src_box, &dst_box, matrix, alpha);
@ -256,6 +265,9 @@ static void render_view_toplevels(struct sway_view *view,
.damage = damage, .damage = damage,
.alpha = alpha, .alpha = alpha,
}; };
if (!container_is_current_floating(view->container)) {
data.container = view->container;
}
// Render all toplevels without descending into popups // Render all toplevels without descending into popups
double ox = view->container->surface_x - double ox = view->container->surface_x -
output->lx - view->geometry.x; output->lx - view->geometry.x;
@ -282,13 +294,16 @@ static void render_saved_view(struct sway_view *view,
if (wl_list_empty(&view->saved_buffers)) { if (wl_list_empty(&view->saved_buffers)) {
return; return;
} }
bool floating = container_is_current_floating(view->container);
struct sway_saved_buffer *saved_buf; struct sway_saved_buffer *saved_buf;
wl_list_for_each(saved_buf, &view->saved_buffers, link) { wl_list_for_each(saved_buf, &view->saved_buffers, link) {
if (!saved_buf->buffer->texture) { if (!saved_buf->buffer->texture) {
continue; continue;
} }
struct wlr_box box = { struct wlr_box proj_box = {
.x = saved_buf->x - view->saved_geometry.x - output->lx, .x = saved_buf->x - view->saved_geometry.x - output->lx,
.y = saved_buf->y - view->saved_geometry.y - output->ly, .y = saved_buf->y - view->saved_geometry.y - output->ly,
.width = saved_buf->width, .width = saved_buf->width,
@ -301,20 +316,31 @@ static void render_saved_view(struct sway_view *view,
}; };
struct wlr_box intersection; struct wlr_box intersection;
bool intersects = wlr_box_intersection(&intersection, &output_box, &box); bool intersects = wlr_box_intersection(&intersection, &output_box, &proj_box);
if (!intersects) { if (!intersects) {
continue; continue;
} }
scale_box(&box, wlr_output->scale); struct wlr_box dst_box = proj_box;
scale_box(&proj_box, wlr_output->scale);
float matrix[9]; float matrix[9];
enum wl_output_transform transform = wlr_output_transform_invert(saved_buf->transform); enum wl_output_transform transform = wlr_output_transform_invert(saved_buf->transform);
wlr_matrix_project_box(matrix, &box, transform, 0, wlr_matrix_project_box(matrix, &proj_box, transform, 0,
wlr_output->transform_matrix); wlr_output->transform_matrix);
if (!floating) {
dst_box.width = fmin(dst_box.width,
view->container->current.content_width -
(saved_buf->x - view->container->current.content_x));
dst_box.height = fmin(dst_box.height,
view->container->current.content_height -
(saved_buf->y - view->container->current.content_y));
}
scale_box(&dst_box, wlr_output->scale);
render_texture(wlr_output, damage, saved_buf->buffer->texture, render_texture(wlr_output, damage, saved_buf->buffer->texture,
&saved_buf->source_box, &box, matrix, alpha); &saved_buf->source_box, &dst_box, matrix, alpha);
} }
// FIXME: we should set the surface that this saved buffer originates from // FIXME: we should set the surface that this saved buffer originates from