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render: move local static variables into the terminal struct

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Daniel Eklöf 2019-07-24 20:21:41 +02:00
parent 4838763d18
commit f93384b9c9
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GPG key ID: 5BBD4992C116573F
2 changed files with 36 additions and 31 deletions
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57
render.c
View file

@ -370,27 +370,25 @@ grid_render(struct terminal *term)
gseq.g = gseq.glyphs;
gseq.count = 0;
static struct coord last_cursor = {0,0};
static struct coord last_cursor_on_screen = {0, 0};
static struct cell *last_cursor_cell = NULL;
bool all_clean = tll_length(term->grid->scroll_damage) == 0;
/* Erase old cursor (if we rendered a cursor last time) */
if (last_cursor_cell != NULL) {
if (term->render.last_cursor.cell != NULL) {
render_cell(
term, buf, last_cursor_cell,
last_cursor_on_screen.col, last_cursor_on_screen.row, false);
term, buf,
term->render.last_cursor.cell,
term->render.last_cursor.in_view.col,
term->render.last_cursor.in_view.row, false);
wl_surface_damage_buffer(
term->wl.surface,
last_cursor_on_screen.col * term->cell_width,
last_cursor_on_screen.row * term->cell_height,
term->render.last_cursor.in_view.col * term->cell_width,
term->render.last_cursor.in_view.row * term->cell_height,
term->cell_width, term->cell_height);
last_cursor_cell = NULL;
term->render.last_cursor.cell = NULL;
if (last_cursor.col != term->cursor.col ||
last_cursor.row != term->cursor.row) {
if (term->render.last_cursor.actual.col != term->cursor.col ||
term->render.last_cursor.actual.row != term->cursor.row) {
/* Detect cursor movement - we don't dirty cells touched
* by the cursor, since only the final cell matters. */
all_clean = false;
@ -400,11 +398,8 @@ grid_render(struct terminal *term)
if (term->flash.active)
term_damage_view(term);
static struct buffer *last_buf = NULL;
static bool last_flash = false;
/* If we resized the window, or is flashing, or just stopped flashing */
if (last_buf != buf || term->flash.active || last_flash) {
if (term->render.last_buf != buf || term->flash.active || term->render.was_flashing) {
LOG_DBG("new buffer");
/* Fill area outside the cell grid with the default background color */
@ -429,8 +424,8 @@ grid_render(struct terminal *term)
/* Force a full grid refresh */
term_damage_view(term);
last_buf = buf;
last_flash = term->flash.active;
term->render.last_buf = buf;
term->render.was_flashing = term->flash.active;
}
tll_foreach(term->grid->scroll_damage, it) {
@ -516,25 +511,25 @@ grid_render(struct terminal *term)
if (cursor_is_visible && !term->hide_cursor) {
/* Remember cursor coordinates so that we can erase it next
* time. Note that we need to re-align it against the view. */
last_cursor = term->cursor;
last_cursor_on_screen = (struct coord) {
term->cursor.col,
(cursor_row - term->grid->view + term->grid->num_rows) % term->grid->num_rows,
};
int view_aligned_row
= (cursor_row - term->grid->view + term->grid->num_rows)
% term->grid->num_rows;
struct row *row = grid_row_in_view(
term->grid, last_cursor_on_screen.row);
term->render.last_cursor.actual = term->cursor;
term->render.last_cursor.in_view = (struct coord) {
term->cursor.col, view_aligned_row};
last_cursor_cell = &row->cells[term->cursor.col];
render_cell(term, buf, last_cursor_cell,
term->cursor.col,
last_cursor_on_screen.row,
true);
struct row *row = grid_row_in_view(term->grid, view_aligned_row);
term->render.last_cursor.cell = &row->cells[term->cursor.col];
render_cell(
term, buf, term->render.last_cursor.cell,
term->cursor.col, view_aligned_row, true);
wl_surface_damage_buffer(
term->wl.surface,
term->cursor.col * term->cell_width,
term->cursor.row * term->cell_height,
view_aligned_row * term->cell_height,
term->cell_width, term->cell_height);
}

10
terminal.h
View file

@ -323,6 +323,16 @@ struct terminal {
struct wayland wl;
struct {
struct wl_callback *frame_callback;
/* Last rendered cursor position */
struct {
struct coord actual; /* Absolute */
struct coord in_view; /* Offset by view */
const struct cell *cell; /* For easy access to content */
} last_cursor;
struct buffer *last_buf; /* Buffer we rendered to last time */
bool was_flashing; /* Flash was active last time we rendered */
} render;
};