@ -641,22 +641,29 @@ scaler_surface_to_buffer(struct weston_surface *surface,
float sx , float sy , float * bx , float * by )
float sx , float sy , float * bx , float * by )
{
{
struct weston_buffer_viewport * vp = & surface - > buffer_viewport ;
struct weston_buffer_viewport * vp = & surface - > buffer_viewport ;
double src_width , src_height ;
double src_x , src_y ;
if ( vp - > buffer . src_width ! = wl_fixed_from_int ( - 1 ) & &
if ( vp - > buffer . src_width = = wl_fixed_from_int ( - 1 ) ) {
vp - > surface . width ! = - 1 ) {
if ( vp - > surface . width = = - 1 ) {
double a , b ;
a = sx / vp - > surface . width ;
b = a * wl_fixed_to_double ( vp - > buffer . src_width ) ;
* bx = b + wl_fixed_to_double ( vp - > buffer . src_x ) ;
a = sy / vp - > surface . height ;
b = a * wl_fixed_to_double ( vp - > buffer . src_height ) ;
* by = b + wl_fixed_to_double ( vp - > buffer . src_y ) ;
} else {
* bx = sx ;
* bx = sx ;
* by = sy ;
* by = sy ;
return ;
}
}
src_x = 0.0 ;
src_y = 0.0 ;
src_width = surface - > width_from_buffer ;
src_height = surface - > height_from_buffer ;
} else {
src_x = wl_fixed_to_double ( vp - > buffer . src_x ) ;
src_y = wl_fixed_to_double ( vp - > buffer . src_y ) ;
src_width = wl_fixed_to_double ( vp - > buffer . src_width ) ;
src_height = wl_fixed_to_double ( vp - > buffer . src_height ) ;
}
* bx = sx * src_width / surface - > width + src_x ;
* by = sy * src_height / surface - > height + src_y ;
}
}
WL_EXPORT void
WL_EXPORT void
@ -1195,6 +1202,12 @@ weston_surface_set_size(struct weston_surface *surface,
surface_set_size ( surface , width , height ) ;
surface_set_size ( surface , width , height ) ;
}
}
static int
fixed_round_up_to_int ( wl_fixed_t f )
{
return wl_fixed_to_int ( wl_fixed_from_int ( 1 ) - 1 + f ) ;
}
static void
static void
weston_surface_set_size_from_buffer ( struct weston_surface * surface )
weston_surface_set_size_from_buffer ( struct weston_surface * surface )
{
{
@ -1203,13 +1216,8 @@ weston_surface_set_size_from_buffer(struct weston_surface *surface)
if ( ! surface - > buffer_ref . buffer ) {
if ( ! surface - > buffer_ref . buffer ) {
surface_set_size ( surface , 0 , 0 ) ;
surface_set_size ( surface , 0 , 0 ) ;
return ;
surface - > width_from_buffer = 0 ;
}
surface - > height_from_buffer = 0 ;
if ( vp - > buffer . src_width ! = wl_fixed_from_int ( - 1 ) & &
vp - > surface . width ! = - 1 ) {
surface_set_size ( surface , vp - > surface . width ,
vp - > surface . height ) ;
return ;
return ;
}
}
@ -1218,17 +1226,31 @@ weston_surface_set_size_from_buffer(struct weston_surface *surface)
case WL_OUTPUT_TRANSFORM_270 :
case WL_OUTPUT_TRANSFORM_270 :
case WL_OUTPUT_TRANSFORM_FLIPPED_90 :
case WL_OUTPUT_TRANSFORM_FLIPPED_90 :
case WL_OUTPUT_TRANSFORM_FLIPPED_270 :
case WL_OUTPUT_TRANSFORM_FLIPPED_270 :
width = surface - > buffer_ref . buffer - > height ;
width = surface - > buffer_ref . buffer - > height / vp - > buffer . scale ;
height = surface - > buffer_ref . buffer - > width ;
height = surface - > buffer_ref . buffer - > width / vp - > buffer . scale ;
break ;
break ;
default :
default :
width = surface - > buffer_ref . buffer - > width ;
width = surface - > buffer_ref . buffer - > width / vp - > buffer . scale ;
height = surface - > buffer_ref . buffer - > height ;
height = surface - > buffer_ref . buffer - > height / vp - > buffer . scale ;
break ;
break ;
}
}
width = width / vp - > buffer . scale ;
surface - > width_from_buffer = width ;
height = height / vp - > buffer . scale ;
surface - > height_from_buffer = height ;
if ( vp - > surface . width ! = - 1 ) {
surface_set_size ( surface ,
vp - > surface . width , vp - > surface . height ) ;
return ;
}
if ( vp - > buffer . src_width ! = wl_fixed_from_int ( - 1 ) ) {
surface_set_size ( surface ,
fixed_round_up_to_int ( vp - > buffer . src_width ) ,
fixed_round_up_to_int ( vp - > buffer . src_height ) ) ;
return ;
}
surface_set_size ( surface , width , height ) ;
surface_set_size ( surface , width , height ) ;
}
}
@ -3415,9 +3437,55 @@ viewport_set(struct wl_client *client,
surface - > pending . buffer_viewport . surface . height = dst_height ;
surface - > pending . buffer_viewport . surface . height = dst_height ;
}
}
static void
viewport_set_source ( struct wl_client * client ,
struct wl_resource * resource ,
wl_fixed_t src_x ,
wl_fixed_t src_y ,
wl_fixed_t src_width ,
wl_fixed_t src_height )
{
struct weston_surface * surface =
wl_resource_get_user_data ( resource ) ;
assert ( surface - > viewport_resource ! = NULL ) ;
if ( wl_fixed_to_double ( src_width ) < 0 | |
wl_fixed_to_double ( src_height ) < 0 ) {
surface - > pending . buffer_viewport . buffer . src_width =
wl_fixed_from_int ( - 1 ) ;
} else {
surface - > pending . buffer_viewport . buffer . src_x = src_x ;
surface - > pending . buffer_viewport . buffer . src_y = src_y ;
surface - > pending . buffer_viewport . buffer . src_width = src_width ;
surface - > pending . buffer_viewport . buffer . src_height = src_height ;
}
}
static void
viewport_set_destination ( struct wl_client * client ,
struct wl_resource * resource ,
int32_t dst_width ,
int32_t dst_height )
{
struct weston_surface * surface =
wl_resource_get_user_data ( resource ) ;
assert ( surface - > viewport_resource ! = NULL ) ;
if ( dst_width < = 0 | | dst_height < = 0 ) {
surface - > pending . buffer_viewport . surface . width = - 1 ;
} else {
surface - > pending . buffer_viewport . surface . width = dst_width ;
surface - > pending . buffer_viewport . surface . height = dst_height ;
}
}
static const struct wl_viewport_interface viewport_interface = {
static const struct wl_viewport_interface viewport_interface = {
viewport_destroy ,
viewport_destroy ,
viewport_set
viewport_set ,
viewport_set_source ,
viewport_set_destination
} ;
} ;
static void
static void
@ -3433,7 +3501,9 @@ scaler_get_viewport(struct wl_client *client,
uint32_t id ,
uint32_t id ,
struct wl_resource * surface_resource )
struct wl_resource * surface_resource )
{
{
struct weston_surface * surface = wl_resource_get_user_data ( surface_resource ) ;
int version = wl_resource_get_version ( scaler ) ;
struct weston_surface * surface =
wl_resource_get_user_data ( surface_resource ) ;
struct wl_resource * resource ;
struct wl_resource * resource ;
if ( surface - > viewport_resource ) {
if ( surface - > viewport_resource ) {
@ -3444,7 +3514,7 @@ scaler_get_viewport(struct wl_client *client,
}
}
resource = wl_resource_create ( client , & wl_viewport_interface ,
resource = wl_resource_create ( client , & wl_viewport_interface ,
1 , id ) ;
version , id ) ;
if ( resource = = NULL ) {
if ( resource = = NULL ) {
wl_client_post_no_memory ( client ) ;
wl_client_post_no_memory ( client ) ;
return ;
return ;
@ -3468,7 +3538,7 @@ bind_scaler(struct wl_client *client,
struct wl_resource * resource ;
struct wl_resource * resource ;
resource = wl_resource_create ( client , & wl_scaler_interface ,
resource = wl_resource_create ( client , & wl_scaler_interface ,
1 , id ) ;
MIN ( version , 2 ) , id ) ;
if ( resource = = NULL ) {
if ( resource = = NULL ) {
wl_client_post_no_memory ( client ) ;
wl_client_post_no_memory ( client ) ;
return ;
return ;
@ -3568,7 +3638,7 @@ weston_compositor_init(struct weston_compositor *ec,
ec , bind_subcompositor ) )
ec , bind_subcompositor ) )
return - 1 ;
return - 1 ;
if ( ! wl_global_create ( ec - > wl_display , & wl_scaler_interface , 1 ,
if ( ! wl_global_create ( ec - > wl_display , & wl_scaler_interface , 2 ,
ec , bind_scaler ) )
ec , bind_scaler ) )
return - 1 ;
return - 1 ;