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Properly re-initialize GPU resources when detaching/attaching a window

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This commit is contained in:
Kovid Goyal 2019-11-09 13:14:50 +05:30
parent a5aed0f4ab
commit 5175d9f4a6
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 21 additions and 3 deletions
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24
kitty/state.c
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@ -99,6 +99,19 @@ add_tab(id_type os_window_id) {
return 0;
}
static inline void
create_gpu_resources_for_window(Window *w) {
w->render_data.vao_idx = create_cell_vao();
w->render_data.gvao_idx = create_graphics_vao();
}
static inline void
release_gpu_resources_for_window(Window *w) {
remove_vao(w->render_data.vao_idx); remove_vao(w->render_data.gvao_idx);
w->render_data.vao_idx = 0; w->render_data.gvao_idx = 0;
}
static inline id_type
add_window(id_type os_window_id, id_type tab_id, PyObject *title) {
WITH_TAB(os_window_id, tab_id);
@ -108,8 +121,7 @@ add_window(id_type os_window_id, id_type tab_id, PyObject *title) {
tab->windows[tab->num_windows].id = ++global_state.window_id_counter;
tab->windows[tab->num_windows].visible = true;
tab->windows[tab->num_windows].title = title;
tab->windows[tab->num_windows].render_data.vao_idx = create_cell_vao();
tab->windows[tab->num_windows].render_data.gvao_idx = create_graphics_vao();
create_gpu_resources_for_window(&tab->windows[tab->num_windows]);
Py_INCREF(tab->windows[tab->num_windows].title);
return tab->windows[tab->num_windows++].id;
END_WITH_TAB;
@ -133,7 +145,7 @@ update_window_title(id_type os_window_id, id_type tab_id, id_type window_id, PyO
static inline void
destroy_window(Window *w) {
Py_CLEAR(w->render_data.screen); Py_CLEAR(w->title);
remove_vao(w->render_data.vao_idx); remove_vao(w->render_data.gvao_idx);
release_gpu_resources_for_window(w);
}
static inline void
@ -168,9 +180,12 @@ detach_window(id_type os_window_id, id_type tab_id, id_type id) {
WITH_TAB(os_window_id, tab_id);
for (size_t i = 0; i < tab->num_windows; i++) {
if (tab->windows[i].id == id) {
make_os_window_context_current(osw);
release_gpu_resources_for_window(&tab->windows[i]);
add_detached_window(tab->windows + i);
zero_at_i(tab->windows, i);
remove_i_from_array(tab->windows, i, tab->num_windows);
break;
}
}
END_WITH_TAB;
@ -197,10 +212,13 @@ attach_window(id_type os_window_id, id_type tab_id, id_type id) {
memcpy(w, detached_windows.windows + i, sizeof(Window));
zero_at_i(detached_windows.windows, i);
remove_i_from_array(detached_windows.windows, i, detached_windows.num_windows);
make_os_window_context_current(osw);
create_gpu_resources_for_window(w);
if (
w->render_data.screen->cell_size.width != osw->fonts_data->cell_width ||
w->render_data.screen->cell_size.height != osw->fonts_data->cell_height
) resize_screen(osw, w->render_data.screen, true);
else screen_dirty_sprite_positions(w->render_data.screen);
break;
}
}