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Fix rendering of rotated views on HiDPI outputs

This commit is contained in:
emersion 2017-11-12 12:54:45 +01:00
parent 0b3f83d93a
commit 454bea678b
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GPG Key ID: 0FDE7BE0E88F5E48
2 changed files with 24 additions and 21 deletions
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2
rootston/desktop.c
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@ -247,7 +247,6 @@ struct roots_view *view_at(struct roots_desktop *desktop, double lx, double ly,
}
if (view->type == ROOTS_XDG_SHELL_V6_VIEW) {
// TODO: test if this works with rotated views
double popup_sx, popup_sy;
struct wlr_xdg_surface_v6 *popup =
wlr_xdg_surface_v6_popup_at(view->xdg_surface_v6,
@ -262,7 +261,6 @@ struct roots_view *view_at(struct roots_desktop *desktop, double lx, double ly,
}
if (view->type == ROOTS_WL_SHELL_VIEW) {
// TODO: test if this works with rotated views
double popup_sx, popup_sy;
struct wlr_wl_shell_surface *popup =
wlr_wl_shell_surface_popup_at(view->wl_shell_surface,

43
rootston/output.c
View File

@ -20,30 +20,33 @@ static void render_surface(struct wlr_surface *surface,
struct roots_desktop *desktop, struct wlr_output *wlr_output,
struct timespec *when, double lx, double ly, float rotation) {
if (surface->texture->valid) {
float scale_factor = (float)wlr_output->scale / surface->current->scale;
int width = surface->current->buffer_width * scale_factor;
int height = surface->current->buffer_height * scale_factor;
double surface_scale = surface->current->scale;
double width = (double)surface->current->buffer_width / surface_scale;
double height = (double)surface->current->buffer_height / surface_scale;
int render_width = width * wlr_output->scale;
int render_height = height * wlr_output->scale;
double ox = lx, oy = ly;
wlr_output_layout_output_coords(desktop->layout, wlr_output, &ox, &oy);
ox *= wlr_output->scale;
oy *= wlr_output->scale;
if (wlr_output_layout_intersects(desktop->layout, wlr_output,
lx, ly, lx + width, ly + height)) {
lx, ly, lx + render_width, ly + render_height)) {
float matrix[16];
float translate_origin[16];
wlr_matrix_translate(&translate_origin,
(int)ox + width / 2, (int)oy + height / 2, 0);
(int)ox + render_width / 2, (int)oy + render_height / 2, 0);
float rotate[16];
wlr_matrix_rotate(&rotate, rotation);
float translate_center[16];
wlr_matrix_translate(&translate_center, -width / 2, -height / 2, 0);
wlr_matrix_translate(&translate_center, -render_width / 2,
-render_height / 2, 0);
float scale[16];
wlr_matrix_scale(&scale, width, height, 1);
wlr_matrix_scale(&scale, render_width, render_height, 1);
float transform[16];
wlr_matrix_mul(&translate_origin, &rotate, &transform);
@ -51,12 +54,12 @@ static void render_surface(struct wlr_surface *surface,
wlr_matrix_mul(&transform, &scale, &transform);
wlr_matrix_mul(&wlr_output->transform_matrix, &transform, &matrix);
wlr_render_with_matrix(desktop->server->renderer,
surface->texture, &matrix);
wlr_render_with_matrix(desktop->server->renderer, surface->texture,
&matrix);
struct wlr_frame_callback *cb, *cnext;
wl_list_for_each_safe(cb, cnext,
&surface->current->frame_callback_list, link) {
&surface->current->frame_callback_list, link) {
wl_callback_send_done(cb->resource, timespec_to_msec(when));
wl_resource_destroy(cb->resource);
}
@ -64,19 +67,20 @@ static void render_surface(struct wlr_surface *surface,
struct wlr_subsurface *subsurface;
wl_list_for_each(subsurface, &surface->subsurface_list, parent_link) {
double sx = subsurface->surface->current->subsurface_position.x,
sy = subsurface->surface->current->subsurface_position.y;
double sw = subsurface->surface->current->buffer_width,
sh = subsurface->surface->current->buffer_height;
struct wlr_surface_state *state = subsurface->surface->current;
double sx = state->subsurface_position.x;
double sy = state->subsurface_position.y;
double sw = state->buffer_width / state->scale;
double sh = state->buffer_height / state->scale;
if (rotation != 0.0) {
// Coordinates relative to the center of the subsurface
double ox = sx - (double)width/2 + sw/2,
oy = sy - (double)height/2 + sh/2;
double ox = sx - width/2 + sw/2,
oy = sy - height/2 + sh/2;
// Rotated coordinates
double rx = cos(-rotation)*ox - sin(-rotation)*oy,
ry = cos(-rotation)*oy + sin(-rotation)*ox;
sx = rx + (double)width/2 - sw/2;
sy = ry + (double)height/2 - sh/2;
sx = rx + width/2 - sw/2;
sy = ry + height/2 - sh/2;
}
render_surface(subsurface->surface, desktop, wlr_output, when,
@ -103,7 +107,8 @@ static void render_xdg_v6_popups(struct wlr_xdg_surface_v6 *surface,
popup->popup_state->geometry.y - popup->geometry->y;
render_surface(popup->surface, desktop, wlr_output, when, popup_x,
popup_y, rotation);
render_xdg_v6_popups(popup, desktop, wlr_output, when, popup_x, popup_y, rotation);
render_xdg_v6_popups(popup, desktop, wlr_output, when, popup_x, popup_y,
rotation);
}
}