@ -39,6 +39,7 @@
# include "compositor.h"
# include "gl-renderer.h"
# include "../shared/image-loader.h"
# include "../shared/os-compatibility.h"
struct wayland_compositor {
struct weston_compositor base ;
@ -49,6 +50,7 @@ struct wayland_compositor {
struct wl_compositor * compositor ;
struct wl_shell * shell ;
struct wl_output * output ;
struct wl_shm * shm ;
struct {
int32_t x , y , width , height ;
@ -68,6 +70,7 @@ struct wayland_compositor {
struct wayland_output {
struct weston_output base ;
struct {
int draw_initial_frame ;
struct wl_surface * surface ;
struct wl_shell_surface * shell_surface ;
struct wl_egl_window * egl_window ;
@ -126,6 +129,90 @@ static const struct wl_callback_listener frame_listener = {
frame_done
} ;
static void
buffer_release ( void * data , struct wl_buffer * buffer )
{
wl_buffer_destroy ( buffer ) ;
}
static const struct wl_buffer_listener buffer_listener = {
buffer_release
} ;
static void
draw_initial_frame ( struct wayland_output * output )
{
struct wayland_compositor * c =
( struct wayland_compositor * ) output - > base . compositor ;
struct wl_shm * shm = c - > parent . shm ;
struct wl_surface * surface = output - > parent . surface ;
struct wl_shm_pool * pool ;
struct wl_buffer * buffer ;
int width , height , stride ;
int size ;
int fd ;
void * data ;
width = output - > mode . width + c - > border . left + c - > border . right ;
height = output - > mode . height + c - > border . top + c - > border . bottom ;
stride = width * 4 ;
size = height * stride ;
fd = os_create_anonymous_file ( size ) ;
if ( fd < 0 ) {
perror ( " os_create_anonymous_file " ) ;
return ;
}
data = mmap ( NULL , size , PROT_READ | PROT_WRITE , MAP_SHARED , fd , 0 ) ;
if ( data = = MAP_FAILED ) {
perror ( " mmap " ) ;
close ( fd ) ;
return ;
}
pool = wl_shm_create_pool ( shm , fd , size ) ;
buffer = wl_shm_pool_create_buffer ( pool , 0 ,
width , height ,
stride ,
WL_SHM_FORMAT_ARGB8888 ) ;
wl_buffer_add_listener ( buffer , & buffer_listener , buffer ) ;
wl_shm_pool_destroy ( pool ) ;
close ( fd ) ;
memset ( data , 0 , size ) ;
wl_surface_attach ( surface , buffer , 0 , 0 ) ;
/* We only need to damage some part, as its only transparant
* pixels anyway . */
wl_surface_damage ( surface , 0 , 0 , 1 , 1 ) ;
}
static void
wayland_output_start_repaint_loop ( struct weston_output * output_base )
{
struct wayland_output * output = ( struct wayland_output * ) output_base ;
struct wl_callback * callback ;
/* If this is the initial frame, we need to attach a buffer so that
* the compositor can map the surface and include it in its render
* loop . If the surface doesn ' t end up in the render loop , the frame
* callback won ' t be invoked . The buffer is transparent and of the
* same size as the future real output buffer . */
if ( output - > parent . draw_initial_frame ) {
output - > parent . draw_initial_frame = 0 ;
draw_initial_frame ( output ) ;
}
callback = wl_surface_frame ( output - > parent . surface ) ;
wl_callback_add_listener ( callback , & frame_listener , output ) ;
wl_surface_commit ( output - > parent . surface ) ;
}
static void
wayland_output_repaint ( struct weston_output * output_base ,
pixman_region32_t * damage )
@ -204,6 +291,7 @@ wayland_compositor_create_output(struct wayland_compositor *c,
output - > parent . egl_window ) < 0 )
goto cleanup_window ;
output - > parent . draw_initial_frame = 1 ;
output - > parent . shell_surface =
wl_shell_get_shell_surface ( c - > parent . shell ,
output - > parent . surface ) ;
@ -212,6 +300,7 @@ wayland_compositor_create_output(struct wayland_compositor *c,
wl_shell_surface_set_toplevel ( output - > parent . shell_surface ) ;
output - > base . origin = output - > base . current ;
output - > base . start_repaint_loop = wayland_output_start_repaint_loop ;
output - > base . repaint = wayland_output_repaint ;
output - > base . destroy = wayland_output_destroy ;
output - > base . assign_planes = NULL ;
@ -580,6 +669,9 @@ registry_handle_global(void *data, struct wl_registry *registry, uint32_t name,
& wl_shell_interface , 1 ) ;
} else if ( strcmp ( interface , " wl_seat " ) = = 0 ) {
display_add_seat ( c , name ) ;
} else if ( strcmp ( interface , " wl_shm " ) = = 0 ) {
c - > parent . shm =
wl_registry_bind ( registry , name , & wl_shm_interface , 1 ) ;
}
}
@ -614,10 +706,15 @@ wayland_restore(struct weston_compositor *ec)
static void
wayland_destroy ( struct weston_compositor * ec )
{
struct wayland_compositor * c = ( struct wayland_compositor * ) ec ;
ec - > renderer - > destroy ( ec ) ;
weston_compositor_shutdown ( ec ) ;
if ( c - > parent . shm )
wl_shm_destroy ( c - > parent . shm ) ;
free ( ec ) ;
}
Jonas Ådahl
12 years ago
committed by
Kristian Høgsberg