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Deduplicate some drwbuf fields

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We have those fields on the drwbuf struct, but we always use the
same ones. Let's deduplicate those fields by moving them on the drwsurf.

Signed-off-by: Maarten van Gompel <proycon@anaproy.nl>
This commit is contained in:
Willow Barraco 2025-04-17 17:58:39 +02:00 committed by Maarten van Gompel
parent 55b88bc14f
commit 73caeee513
2 changed files with 25 additions and 23 deletions
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44
drw.c
View File

@ -7,8 +7,8 @@
#include "math.h"
void drwbuf_handle_release(void *data, struct wl_buffer *wl_buffer) {
struct drwbuf *db = data;
db->released = true;
struct drwsurf *ds = data;
ds->released = true;
};
const struct wl_buffer_listener buffer_listener = {
@ -23,11 +23,11 @@ void drwsurf_handle_frame_cb(void* data, struct wl_callback* callback,
ds->frame_cb = NULL;
cairo_rectangle_int_t r = {0};
for (int i = 0; i < cairo_region_num_rectangles(ds->back_buffer->damage); i++) {
cairo_region_get_rectangle(ds->back_buffer->damage, i, &r);
for (int i = 0; i < cairo_region_num_rectangles(ds->damage); i++) {
cairo_region_get_rectangle(ds->damage, i, &r);
wl_surface_damage(ds->surf, r.x, r.y, r.width, r.height);
};
cairo_region_subtract(ds->display_buffer->damage, ds->display_buffer->damage);
cairo_region_subtract(ds->damage, ds->damage);
drwsurf_attach(ds);
}
@ -50,8 +50,8 @@ void drwsurf_register_frame_cb(struct drwsurf *ds)
void drwsurf_damage(struct drwsurf *ds, uint32_t x, uint32_t y, uint32_t w, uint32_t h)
{
cairo_rectangle_int_t rect = { x, y, w, h };
cairo_region_union_rectangle(ds->back_buffer->damage, &rect);
cairo_region_union_rectangle(ds->back_buffer->backport_damage, &rect);
cairo_region_union_rectangle(ds->damage, &rect);
cairo_region_union_rectangle(ds->backport_damage, &rect);
drwsurf_register_frame_cb(ds);
}
@ -62,6 +62,15 @@ drwsurf_resize(struct drwsurf *ds, uint32_t w, uint32_t h, double s)
ds->width = ceil(w * s);
ds->height = ceil(h * s);
if (ds->damage)
cairo_region_destroy(ds->damage);
ds->damage = cairo_region_create();
if (ds->backport_damage)
cairo_region_destroy(ds->backport_damage);
ds->backport_damage = cairo_region_create();
ds->released = true;
setup_buffer(ds, ds->back_buffer);
setup_buffer(ds, ds->display_buffer);
}
@ -75,8 +84,8 @@ drwsurf_backport(struct drwsurf *ds)
cairo_set_operator(ds->back_buffer->cairo, CAIRO_OPERATOR_SOURCE);
cairo_rectangle_int_t r = {0};
for (int i = 0; i < cairo_region_num_rectangles(ds->display_buffer->backport_damage); i++) {
cairo_region_get_rectangle(ds->display_buffer->backport_damage, i, &r);
for (int i = 0; i < cairo_region_num_rectangles(ds->backport_damage); i++) {
cairo_region_get_rectangle(ds->backport_damage, i, &r);
cairo_set_source_surface(ds->back_buffer->cairo, ds->display_buffer->cairo_surf, 0, 0);
cairo_rectangle(
@ -90,7 +99,7 @@ drwsurf_backport(struct drwsurf *ds)
};
cairo_restore(ds->back_buffer->cairo);
cairo_region_subtract(ds->display_buffer->backport_damage, ds->display_buffer->backport_damage);
cairo_region_subtract(ds->backport_damage, ds->backport_damage);
}
void
@ -98,15 +107,16 @@ drwsurf_attach(struct drwsurf *ds)
{
wl_surface_attach(ds->surf, ds->back_buffer->buf, 0, 0);
wl_surface_commit(ds->surf);
ds->back_buffer->released = false;
ds->released = false;
ds->attached = true;
}
void
drwsurf_flip(struct drwsurf *ds)
{
if (ds->back_buffer->released)
if (ds->released)
return;
ds->released = true;
struct drwbuf *tmp = ds->back_buffer;
ds->back_buffer = ds->display_buffer;
ds->display_buffer = tmp;
@ -250,8 +260,7 @@ setup_buffer(struct drwsurf *drwsurf, struct drwbuf *drwbuf)
stride, WL_SHM_FORMAT_ARGB8888);
wl_shm_pool_destroy(pool);
close(fd);
wl_buffer_add_listener(drwbuf->buf, &buffer_listener, drwbuf);
drwbuf->released = true;
wl_buffer_add_listener(drwbuf->buf, &buffer_listener, drwsurf);
if (drwbuf->cairo_surf)
@ -260,13 +269,6 @@ setup_buffer(struct drwsurf *drwsurf, struct drwbuf *drwbuf)
drwbuf->pool_data, CAIRO_FORMAT_ARGB32, drwsurf->width,
drwsurf->height, stride);
if (drwbuf->damage)
cairo_region_destroy(drwbuf->damage);
drwbuf->damage = cairo_region_create();
if (drwbuf->backport_damage)
cairo_region_destroy(drwbuf->backport_damage);
drwbuf->backport_damage = cairo_region_create();
if (drwbuf->cairo)
cairo_destroy(drwbuf->cairo);
drwbuf->cairo = cairo_create(drwbuf->cairo_surf);

4
drw.h
View File

@ -10,12 +10,10 @@ struct drw {
struct drwbuf {
uint32_t size;
struct wl_buffer *buf;
cairo_region_t *damage, *backport_damage;
cairo_surface_t *cairo_surf;
cairo_t *cairo;
PangoLayout *layout;
unsigned char *pool_data;
bool released;
};
struct drwsurf {
uint32_t width, height;
@ -26,7 +24,9 @@ struct drwsurf {
struct wl_shm *shm;
struct wl_callback *frame_cb;
cairo_region_t *damage, *backport_damage;
bool attached;
bool released;
struct drwbuf *back_buffer;
struct drwbuf *display_buffer;