rootston: only draw damaged regions

This commit is contained in:
emersion 2018-01-18 14:36:42 +01:00
parent 6fa0a91ee2
commit 5017d7f762
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GPG Key ID: 0FDE7BE0E88F5E48
3 changed files with 121 additions and 81 deletions

View File

@ -108,11 +108,9 @@ static void init_globals() {
static void wlr_gles2_begin(struct wlr_renderer *_renderer,
struct wlr_output *output) {
// TODO: let users customize the clear color?
GL_CALL(glClearColor(0.25f, 0.25f, 0.25f, 1));
GL_CALL(glClear(GL_COLOR_BUFFER_BIT));
int32_t width = output->width;
int32_t height = output->height;
GL_CALL(glViewport(0, 0, width, height));
//GL_CALL(glClearColor(0.25f, 0.25f, 0.25f, 1));
//GL_CALL(glClear(GL_COLOR_BUFFER_BIT));
GL_CALL(glViewport(0, 0, output->width, output->height));
// enable transparency
GL_CALL(glEnable(GL_BLEND));

View File

@ -255,6 +255,7 @@ bool view_center(struct roots_view *view) {
}
void view_destroy(struct roots_view *view) {
view_damage(view);
wl_signal_emit(&view->events.destroy, view);
if (view->fullscreen_output) {

View File

@ -41,71 +41,99 @@ static bool surface_intersect_output(struct wlr_surface *surface,
box->width = surface->current->width * wlr_output->scale;
box->height = surface->current->height * wlr_output->scale;
struct wlr_box render_box = {
struct wlr_box layout_box = {
.x = lx, .y = ly,
.width = box->width, .height = box->height,
.width = surface->current->width, .height = surface->current->height,
};
return wlr_output_layout_intersects(output_layout, wlr_output, &render_box);
return wlr_output_layout_intersects(output_layout, wlr_output, &layout_box);
}
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) {
struct roots_output *output, struct timespec *when,
double lx, double ly, float rotation) {
if (!wlr_surface_has_buffer(surface)) {
return;
}
struct wlr_box box;
bool intersects = surface_intersect_output(surface, desktop->layout,
wlr_output, lx, ly, &box);
if (intersects) {
float matrix[16];
bool intersects = surface_intersect_output(surface, output->desktop->layout,
output->wlr_output, lx, ly, &box);
if (!intersects) {
goto render_subsurfaces;
}
// TODO: do not render regions of the surface that aren't damaged
// TODO: output scale, output transform support
pixman_region32_t surface_damage;
pixman_region32_init(&surface_damage);
pixman_region32_union_rect(&surface_damage, &surface_damage, box.x, box.y,
box.width, box.height);
pixman_region32_intersect(&surface_damage, &surface_damage,
&output->damage);
bool damaged = pixman_region32_not_empty(&surface_damage);
if (!damaged) {
goto render_subsurfaces;
}
float transform[16];
wlr_matrix_translate(&transform, box.x, box.y, 0);
if (rotation != 0) {
float translate_center[16];
wlr_matrix_translate(&translate_center,
box.x + box.width / 2, box.y + box.height / 2, 0);
wlr_matrix_translate(&translate_center, box.width/2, box.height/2, 0);
float rotate[16];
wlr_matrix_rotate(&rotate, rotation);
float translate_origin[16];
wlr_matrix_translate(&translate_origin, -box.width / 2,
-box.height / 2, 0);
wlr_matrix_translate(&translate_origin, -box.width/2, -box.height/2, 0);
float scale[16];
wlr_matrix_scale(&scale, box.width, box.height, 1);
float transform[16];
wlr_matrix_mul(&translate_center, &rotate, &transform);
wlr_matrix_mul(&transform, &translate_center, &transform);
wlr_matrix_mul(&transform, &rotate, &transform);
wlr_matrix_mul(&transform, &translate_origin, &transform);
wlr_matrix_mul(&transform, &scale, &transform);
if (surface->current->transform != WL_OUTPUT_TRANSFORM_NORMAL) {
float surface_translate_center[16];
wlr_matrix_translate(&surface_translate_center, 0.5, 0.5, 0);
float surface_transform[16];
wlr_matrix_transform(surface_transform,
wlr_output_transform_invert(surface->current->transform));
float surface_translate_origin[16];
wlr_matrix_translate(&surface_translate_origin, -0.5, -0.5, 0);
wlr_matrix_mul(&transform, &surface_translate_center,
&transform);
wlr_matrix_mul(&transform, &surface_transform, &transform);
wlr_matrix_mul(&transform, &surface_translate_origin,
&transform);
}
wlr_matrix_mul(&wlr_output->transform_matrix, &transform, &matrix);
wlr_render_with_matrix(desktop->server->renderer, surface->texture,
&matrix);
wlr_surface_send_frame_done(surface, when);
}
float scale[16];
wlr_matrix_scale(&scale, box.width, box.height, 1);
wlr_matrix_mul(&transform, &scale, &transform);
if (surface->current->transform != WL_OUTPUT_TRANSFORM_NORMAL) {
float surface_translate_center[16];
wlr_matrix_translate(&surface_translate_center, 0.5, 0.5, 0);
float surface_transform[16];
wlr_matrix_transform(surface_transform,
wlr_output_transform_invert(surface->current->transform));
float surface_translate_origin[16];
wlr_matrix_translate(&surface_translate_origin, -0.5, -0.5, 0);
wlr_matrix_mul(&transform, &surface_translate_center,
&transform);
wlr_matrix_mul(&transform, &surface_transform, &transform);
wlr_matrix_mul(&transform, &surface_translate_origin,
&transform);
}
float matrix[16];
wlr_matrix_mul(&output->wlr_output->transform_matrix, &transform, &matrix);
int nrects;
pixman_box32_t *rects =
pixman_region32_rectangles(&surface_damage, &nrects);
for (int i = 0; i < nrects; ++i) {
glScissor(rects[i].x1, output->wlr_output->height - rects[i].y2,
rects[i].x2 - rects[i].x1, rects[i].y2 - rects[i].y1);
wlr_render_with_matrix(output->desktop->server->renderer,
surface->texture, &matrix);
}
wlr_surface_send_frame_done(surface, when);
render_subsurfaces:
pixman_region32_fini(&surface_damage);
struct wlr_subsurface *subsurface;
wl_list_for_each(subsurface, &surface->subsurface_list, parent_link) {
struct wlr_surface_state *state = subsurface->surface->current;
@ -116,16 +144,14 @@ static void render_surface(struct wlr_surface *surface,
rotate_child_position(&sx, &sy, sw, sh, surface->current->width,
surface->current->height, rotation);
render_surface(subsurface->surface, desktop, wlr_output, when,
lx + sx,
ly + sy,
render_surface(subsurface->surface, output, when, lx + sx, ly + sy,
rotation);
}
}
static void render_xdg_v6_popups(struct wlr_xdg_surface_v6 *surface,
struct roots_desktop *desktop, struct wlr_output *wlr_output,
struct timespec *when, double base_x, double base_y, float rotation) {
struct roots_output *output, struct timespec *when,
double base_x, double base_y, float rotation) {
double width = surface->surface->current->width;
double height = surface->surface->current->height;
@ -143,20 +169,18 @@ static void render_xdg_v6_popups(struct wlr_xdg_surface_v6 *surface,
rotate_child_position(&popup_sx, &popup_sy, popup_width, popup_height,
width, height, rotation);
render_surface(popup->surface, desktop, wlr_output, when,
render_surface(popup->surface, output, when,
base_x + popup_sx, base_y + popup_sy, rotation);
render_xdg_v6_popups(popup, desktop, wlr_output, when,
render_xdg_v6_popups(popup, output, when,
base_x + popup_sx, base_y + popup_sy, rotation);
}
}
static void render_wl_shell_surface(struct wlr_wl_shell_surface *surface,
struct roots_desktop *desktop, struct wlr_output *wlr_output,
struct timespec *when, double lx, double ly, float rotation,
bool is_child) {
struct roots_output *output, struct timespec *when,
double lx, double ly, float rotation, bool is_child) {
if (is_child || surface->state != WLR_WL_SHELL_SURFACE_STATE_POPUP) {
render_surface(surface->surface, desktop, wlr_output, when,
lx, ly, rotation);
render_surface(surface->surface, output, when, lx, ly, rotation);
double width = surface->surface->current->width;
double height = surface->surface->current->height;
@ -171,41 +195,40 @@ static void render_wl_shell_surface(struct wlr_wl_shell_surface *surface,
rotate_child_position(&popup_x, &popup_y, popup_width, popup_height,
width, height, rotation);
render_wl_shell_surface(popup, desktop, wlr_output, when,
render_wl_shell_surface(popup, output, when,
lx + popup_x, ly + popup_y, rotation, true);
}
}
}
static void render_xwayland_children(struct wlr_xwayland_surface *surface,
struct roots_desktop *desktop, struct wlr_output *wlr_output,
struct timespec *when) {
struct roots_output *output, struct timespec *when) {
struct wlr_xwayland_surface *child;
wl_list_for_each(child, &surface->children, parent_link) {
if (child->surface != NULL && child->added) {
render_surface(child->surface, desktop, wlr_output, when,
render_surface(child->surface, output, when,
child->x, child->y, 0);
}
render_xwayland_children(child, desktop, wlr_output, when);
render_xwayland_children(child, output, when);
}
}
static void render_view(struct roots_view *view, struct roots_desktop *desktop,
struct wlr_output *wlr_output, struct timespec *when) {
static void render_view(struct roots_view *view, struct roots_output *output,
struct timespec *when) {
switch (view->type) {
case ROOTS_XDG_SHELL_V6_VIEW:
render_surface(view->wlr_surface, desktop, wlr_output, when,
render_surface(view->wlr_surface, output, when, view->x, view->y,
view->rotation);
render_xdg_v6_popups(view->xdg_surface_v6, output, when,
view->x, view->y, view->rotation);
render_xdg_v6_popups(view->xdg_surface_v6, desktop, wlr_output,
when, view->x, view->y, view->rotation);
break;
case ROOTS_WL_SHELL_VIEW:
render_wl_shell_surface(view->wl_shell_surface, desktop, wlr_output,
when, view->x, view->y, view->rotation, false);
render_wl_shell_surface(view->wl_shell_surface, output, when,
view->x, view->y, view->rotation, false);
break;
case ROOTS_XWAYLAND_VIEW:
render_surface(view->wlr_surface, desktop, wlr_output, when,
view->x, view->y, view->rotation);
render_surface(view->wlr_surface, output, when, view->x, view->y,
view->rotation);
break;
}
}
@ -239,6 +262,13 @@ static void output_handle_frame(struct wl_listener *listener, void *data) {
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
// TODO: use real wlr_output damage
if (wlr_output->needs_swap) {
int width, height;
wlr_output_effective_resolution(wlr_output, &width, &height);
pixman_region32_union_rect(&output->damage, &output->damage, 0, 0,
width, height);
}
// TODO: fullscreen
if (!pixman_region32_not_empty(&output->damage) &&
!wlr_output->needs_swap) {
@ -252,6 +282,17 @@ static void output_handle_frame(struct wl_listener *listener, void *data) {
wlr_output_make_current(wlr_output);
wlr_renderer_begin(server->renderer, wlr_output);
glEnable(GL_SCISSOR_TEST);
int nrects;
pixman_box32_t *rects =
pixman_region32_rectangles(&output->damage, &nrects);
for (int i = 0; i < nrects; ++i) {
glScissor(rects[i].x1, wlr_output->height - rects[i].y2,
rects[i].x2 - rects[i].x1, rects[i].y2 - rects[i].y1);
glClearColor(0.25f, 0.25f, 0.25f, 1);
glClear(GL_COLOR_BUFFER_BIT);
}
if (output->fullscreen_view != NULL) {
struct roots_view *view = output->fullscreen_view;
@ -275,14 +316,13 @@ static void output_handle_frame(struct wl_listener *listener, void *data) {
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT);
render_view(view, desktop, wlr_output, &now);
render_view(view, output, &now);
// During normal rendering the xwayland window tree isn't traversed
// because all windows are rendered. Here we only want to render
// the fullscreen window's children so we have to traverse the tree.
if (view->type == ROOTS_XWAYLAND_VIEW) {
render_xwayland_children(view->xwayland_surface, desktop,
wlr_output, &now);
render_xwayland_children(view->xwayland_surface, output, &now);
}
}
@ -293,7 +333,7 @@ static void output_handle_frame(struct wl_listener *listener, void *data) {
struct roots_view *view;
wl_list_for_each_reverse(view, &desktop->views, link) {
render_view(view, desktop, wlr_output, &now);
render_view(view, output, &now);
}
struct wlr_drag_icon *drag_icon = NULL;
@ -309,20 +349,21 @@ static void output_handle_frame(struct wl_listener *listener, void *data) {
if (drag_icon->is_pointer) {
icon_x = cursor->x + drag_icon->sx;
icon_y = cursor->y + drag_icon->sy;
render_surface(icon, desktop, wlr_output, &now, icon_x, icon_y, 0);
render_surface(icon, output, &now, icon_x, icon_y, 0);
} else {
struct wlr_touch_point *point =
wlr_seat_touch_get_point(seat->seat, drag_icon->touch_id);
if (point) {
icon_x = seat->touch_x + drag_icon->sx;
icon_y = seat->touch_y + drag_icon->sy;
render_surface(icon, desktop, wlr_output, &now, icon_x, icon_y, 0);
render_surface(icon, output, &now, icon_x, icon_y, 0);
}
}
}
}
renderer_end:
glDisable(GL_SCISSOR_TEST);
wlr_renderer_end(server->renderer);
wlr_output_swap_buffers(wlr_output);