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types/wlr_xcursor_manager: Add caching textures

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This commit is contained in:
Scott Anderson 2019-09-17 22:29:28 +12:00
parent 2fcb2b95fc
commit c5bd304795
5 changed files with 98 additions and 37 deletions
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58
types/wlr_xcursor_manager.c
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@ -2,9 +2,34 @@
#include <stdlib.h>
#include <string.h>
#include <wlr/types/wlr_xcursor_manager.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/render/wlr_texture.h>
static void manager_free_textures(struct wlr_xcursor_manager *manager) {
struct wlr_xcursor_manager_theme *iter;
wl_list_for_each(iter, &manager->scaled_themes, link) {
struct wlr_xcursor_theme *theme = iter->theme;
for (unsigned i = 0; i < theme->cursor_count; ++i) {
struct wlr_xcursor *xcursor = theme->cursors[i];
for (unsigned j = 0; j < xcursor->image_count; ++j) {
struct wlr_xcursor_image *img = xcursor->images[j];
wlr_texture_destroy(img->userdata);
img->userdata = NULL;
}
}
}
}
static void handle_renderer_destroy(struct wl_listener *listener, void *data) {
struct wlr_xcursor_manager *manager =
wl_container_of(listener, manager, renderer_destroy);
manager->renderer = NULL;
manager_free_textures(manager);
}
struct wlr_xcursor_manager *wlr_xcursor_manager_create(const char *name,
uint32_t size) {
uint32_t size, struct wlr_renderer *renderer) {
struct wlr_xcursor_manager *manager =
calloc(1, sizeof(struct wlr_xcursor_manager));
if (manager == NULL) {
@ -15,6 +40,11 @@ struct wlr_xcursor_manager *wlr_xcursor_manager_create(const char *name,
}
manager->size = size;
wl_list_init(&manager->scaled_themes);
if (renderer) {
manager->renderer = renderer;
manager->renderer_destroy.notify = handle_renderer_destroy;
wl_signal_add(&renderer->events.destroy, &manager->renderer_destroy);
}
return manager;
}
@ -22,12 +52,20 @@ void wlr_xcursor_manager_destroy(struct wlr_xcursor_manager *manager) {
if (manager == NULL) {
return;
}
if (manager->renderer) {
manager_free_textures(manager);
}
struct wlr_xcursor_manager_theme *theme, *tmp;
wl_list_for_each_safe(theme, tmp, &manager->scaled_themes, link) {
wl_list_remove(&theme->link);
wlr_xcursor_theme_destroy(theme->theme);
wl_list_remove(&theme->link);
free(theme);
}
if (manager->renderer) {
wl_list_remove(&manager->renderer_destroy.link);
}
free(manager->name);
free(manager);
}
@ -65,3 +103,19 @@ struct wlr_xcursor *wlr_xcursor_manager_get_xcursor(
}
return NULL;
}
struct wlr_texture *wlr_xcursor_manager_get_texture(
struct wlr_xcursor_manager *manager,
struct wlr_xcursor_image *image) {
if (!manager->renderer) {
return NULL;
}
if (!image->userdata) {
image->userdata = wlr_texture_from_pixels(manager->renderer,
WL_SHM_FORMAT_ARGB8888, image->width * 4, image->width,
image->height, image->buffer);
}
return image->userdata;
}