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Slight simplification of Fl_Wayland_Graphics_Driver::create_shm_buffer().

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This commit is contained in:
ManoloFLTK
2022-05-07 18:08:07 +02:00
parent 1d64b78554
commit c02fba6bb9
1 changed files with 6 additions and 13 deletions
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src/drivers/Wayland/Fl_Wayland_Graphics_Driver.cxx
+6 -13
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@@ -36,18 +36,6 @@ extern "C" {
int os_create_anonymous_file(off_t); int os_create_anonymous_file(off_t);
} }
static int create_anonymous_file(int size, char **pshared)
{
int fd = os_create_anonymous_file(size);
*pshared = (char*)mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (*pshared == MAP_FAILED) {
close(fd);
Fl::fatal("mmap failed: %s\n", strerror(errno));
}
//printf("create_anonymous_file: %d\n",size);
return fd;
}
struct fl_wld_buffer *Fl_Wayland_Graphics_Driver::create_shm_buffer(int width, int height) struct fl_wld_buffer *Fl_Wayland_Graphics_Driver::create_shm_buffer(int width, int height)
{ {
@@ -66,7 +54,12 @@ struct fl_wld_buffer *Fl_Wayland_Graphics_Driver::create_shm_buffer(int width, i
close(fd); close(fd);
} }
if (size > pool_size) pool_size = 2 * size; if (size > pool_size) pool_size = 2 * size;
fd = create_anonymous_file(pool_size, &pool_memory); fd = os_create_anonymous_file(pool_size);
pool_memory = (char*)mmap(NULL, pool_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (pool_memory == MAP_FAILED) {
close(fd);
Fl::fatal("mmap failed: %s\n", strerror(errno));
}
Fl_Wayland_Screen_Driver *scr_driver = (Fl_Wayland_Screen_Driver*)Fl::screen_driver(); Fl_Wayland_Screen_Driver *scr_driver = (Fl_Wayland_Screen_Driver*)Fl::screen_driver();
pool = wl_shm_create_pool(scr_driver->wl_shm, fd, pool_size); pool = wl_shm_create_pool(scr_driver->wl_shm, fd, pool_size);
} }