static DFBResult
set_region( CoreLayerRegion *region,
CoreLayerRegionConfig *config,
CoreLayerRegionConfigFlags flags,
CoreSurface *surface )
{
CoreLayer *layer;
DisplayLayerFuncs *funcs;
D_ASSERT( region != NULL );
D_ASSERT( region->context != NULL );
D_ASSERT( config != NULL );
D_ASSERT( config->buffermode != DLBM_WINDOWS );
D_ASSERT( D_FLAGS_IS_SET( region->state, CLRSF_REALIZED ) );
layer = dfb_layer_at( region->context->layer_id );
D_ASSERT( layer != NULL );
D_ASSERT( layer->funcs != NULL );
D_ASSERT( layer->funcs->SetRegion != NULL );
funcs = layer->funcs;
/* Setup hardware. */
return funcs->SetRegion( layer, layer->driver_data, layer->layer_data,
region->region_data, config, flags,
surface, surface ? surface->palette : NULL );
}
static void
handle_expose( const XExposeEvent *expose )
{
CoreLayer *layer = 0;
const DisplayLayerFuncs *funcs = 0;
CoreLayerContext *context;
int i;
/* find the correct layer */
for( i=0; i<dfb_layer_num(); i++ ) {
X11LayerData *lds;
layer = dfb_layer_at( i );
lds = (X11LayerData*)(layer->layer_data);
if( lds->xw && (lds->xw->window == expose->window) )
break;
}
/* layer not found? */
if( i==dfb_layer_num() )
return;
funcs = layer->funcs;
D_ASSERT( funcs != NULL );
D_ASSERT( funcs->UpdateRegion != NULL );
/* Get the currently active context. */
if (dfb_layer_get_active_context( layer, &context ) == DFB_OK) {
CoreLayerRegion *region;
/* Get the first region. */
if (dfb_layer_context_get_primary_region( context,
false, ®ion ) == DFB_OK)
{
/* Lock the region to avoid tearing due to concurrent updates. */
dfb_layer_region_lock( region );
/* Get the surface of the region. */
if (region->surface && region->left_buffer_lock.buffer) {
DFBRegion update = { expose->x, expose->y,
expose->x + expose->width - 1,
expose->y + expose->height - 1 };
funcs->UpdateRegion( layer, layer->driver_data, layer->layer_data,
region->region_data, region->surface, &update, ®ion->left_buffer_lock, NULL, NULL );
}
/* Unlock the region. */
dfb_layer_region_unlock( region );
/* Release the region. */
dfb_layer_region_unref( region );
}
/* Release the context. */
dfb_layer_context_unref( context );
}
}
static DFBResult
unrealize_region( CoreLayerRegion *region )
{
DFBResult ret;
int index;
CoreLayer *layer;
CoreLayerShared *shared;
const DisplayLayerFuncs *funcs;
D_ASSERT( region != NULL );
D_ASSERT( region->context != NULL );
D_ASSERT( D_FLAGS_IS_SET( region->state, CLRSF_REALIZED ) );
layer = dfb_layer_at( region->context->layer_id );
D_ASSERT( layer != NULL );
D_ASSERT( layer->shared != NULL );
D_ASSERT( layer->funcs != NULL );
shared = layer->shared;
funcs = layer->funcs;
D_ASSERT( fusion_vector_contains( &shared->added_regions, region ) );
index = fusion_vector_index_of( &shared->added_regions, region );
D_DEBUG_AT( Core_Layers, "Removing region (%d, %d - %dx%d) from '%s'.\n",
DFB_RECTANGLE_VALS( ®ion->config.dest ), shared->description.name );
/* Remove the region from hardware and driver. */
if (funcs->RemoveRegion) {
ret = funcs->RemoveRegion( layer, layer->driver_data,
layer->layer_data, region->region_data );
if (ret) {
D_DERROR( ret, "Core/Layers: Could not remove region!\n" );
return ret;
}
}
/* Remove the region from the 'added' list. */
fusion_vector_remove( &shared->added_regions, index );
/* Deallocate the driver's region data. */
if (region->region_data) {
SHFREE( shared->shmpool, region->region_data );
region->region_data = NULL;
}
/* Update the region's state. */
D_FLAGS_CLEAR( region->state, CLRSF_REALIZED );
D_FLAGS_SET( region->state, CLRSF_FROZEN );
if (region->surface && region->surface_lock.buffer) {
dfb_surface_unlock_buffer( region->surface, ®ion->surface_lock );
dfb_surface_destroy_buffers( region->surface );
}
return DFB_OK;
}
static void
region_destructor( FusionObject *object, bool zombie )
{
CoreLayerRegion *region = (CoreLayerRegion*) object;
CoreLayerContext *context = region->context;
CoreLayer *layer = dfb_layer_at( context->layer_id );
CoreLayerShared *shared = layer->shared;
(void) shared;
D_DEBUG_AT( Core_Layers, "destroying region %p (%s, %dx%d, "
"%s, %s, %s, %s%s)\n", region, shared->description.name,
region->config.width, region->config.height,
D_FLAGS_IS_SET( region->state,
CLRSF_CONFIGURED ) ? "configured" : "unconfigured",
D_FLAGS_IS_SET( region->state,
CLRSF_ENABLED ) ? "enabled" : "disabled",
D_FLAGS_IS_SET( region->state,
CLRSF_ACTIVE ) ? "active" : "inactive",
D_FLAGS_IS_SET( region->state,
CLRSF_REALIZED ) ? "realized" : "not realized",
zombie ? " - ZOMBIE" : "" );
/* Hide region etc. */
if (D_FLAGS_IS_SET( region->state, CLRSF_ENABLED ))
dfb_layer_region_disable( region );
/* Remove the region from the context. */
dfb_layer_context_remove_region( region->context, region );
/* Throw away its surface. */
if (region->surface) {
/* Detach the global listener. */
dfb_surface_detach_global( region->surface,
®ion->surface_reaction );
/* Unlink from structure. */
dfb_surface_unlink( ®ion->surface );
}
/* Unlink the context from the structure. */
dfb_layer_context_unlink( ®ion->context );
/* Free driver's region data. */
if (region->region_data)
SHFREE( region->region_data );
/* Deinitialize the lock. */
fusion_skirmish_destroy( ®ion->lock );
/* Destroy the object. */
fusion_object_destroy( object );
}
void uc_ovl_setup_fifo(UcOverlayData* ucovl, int scrwidth)
{
u8* mclk_save = ucovl->mclk_save;
if (!iopl(3)) {
if (scrwidth <= 1024) { // Disable
if (ucovl->extfifo_on) {
dfb_layer_wait_vsync(dfb_layer_at(DLID_PRIMARY));
outb(0x16, 0x3c4); outb(mclk_save[0], 0x3c5);
outb(0x17, 0x3c4); outb(mclk_save[1], 0x3c5);
outb(0x18, 0x3c4); outb(mclk_save[2], 0x3c5);
ucovl->extfifo_on = false;
}
}
else { // Enable
if (!ucovl->extfifo_on) {
dfb_layer_wait_vsync(dfb_layer_at(DLID_PRIMARY));
// Save current setting
outb(0x16, 0x3c4); mclk_save[0] = inb(0x3c5);
outb(0x17, 0x3c4); mclk_save[1] = inb(0x3c5);
outb(0x18, 0x3c4); mclk_save[2] = inb(0x3c5);
// Enable extended FIFO
outb(0x17, 0x3c4); outb(0x2f, 0x3c5);
outb(0x16, 0x3c4); outb((mclk_save[0] & 0xf0) | 0x14, 0x3c5);
outb(0x18, 0x3c4); outb(0x56, 0x3c5);
ucovl->extfifo_on = true;
}
}
}
else {
printf("cle266: could set io perissons\n");
}
ucovl->scrwidth = scrwidth;
}
DFBResult
dfb_layer_region_create( CoreLayerContext *context,
CoreLayerRegion **ret_region )
{
CoreLayer *layer;
CoreLayerRegion *region;
D_ASSERT( context != NULL );
D_ASSERT( ret_region != NULL );
layer = dfb_layer_at( context->layer_id );
/* Create the object. */
region = dfb_core_create_layer_region( layer->core );
if (!region)
return DFB_FUSION;
/* Link the context into the structure. */
if (dfb_layer_context_link( ®ion->context, context )) {
fusion_object_destroy( ®ion->object );
return DFB_FUSION;
}
/* Initialize the lock. */
if (fusion_skirmish_init( ®ion->lock, "Layer Region", dfb_core_world(layer->core) )) {
dfb_layer_context_unlink( ®ion->context );
fusion_object_destroy( ®ion->object );
return DFB_FUSION;
}
/* Change global reaction lock. */
fusion_object_set_lock( ®ion->object, ®ion->lock );
region->state = CLRSF_FROZEN;
/* Activate the object. */
fusion_object_activate( ®ion->object );
/* Add the region to the context. */
dfb_layer_context_add_region( context, region );
/* Return the new region. */
*ret_region = region;
return DFB_OK;
}
static void
repaint_stack( CoreWindowStack *stack,
DFBRegion *region,
DFBSurfaceFlipFlags flags )
{
DisplayLayer *layer = dfb_layer_at( stack->layer_id );
CoreSurface *surface = dfb_layer_surface( layer );
CardState *state = dfb_layer_state( layer );
if (!dfb_region_intersect( region, 0, 0,
surface->width - 1, surface->height - 1 ))
return;
if (dfb_layer_lease( layer ))
return;
state->clip = *region;
state->modified |= SMF_CLIP;
update_region( stack, state, stack->num_windows - 1,
region->x1, region->y1, region->x2, region->y2 );
if (surface->caps & DSCAPS_FLIPPING) {
if (region->x1 == 0 &&
region->y1 == 0 &&
region->x2 == surface->width - 1 &&
region->y2 == surface->height - 1 && 0)
{
dfb_layer_flip_buffers( layer, flags );
}
else {
DFBRectangle rect = { region->x1, region->y1,
region->x2 - region->x1 + 1,
region->y2 - region->y1 + 1 };
if (flags & DSFLIP_WAITFORSYNC)
dfb_fbdev_wait_vsync();
dfb_back_to_front_copy( surface, &rect );
}
}
dfb_layer_release( layer, false );
}
/*
* listen to the layer's surface
*/
ReactionResult
_dfb_layer_region_surface_listener( const void *msg_data, void *ctx )
{
CoreSurfaceNotificationFlags flags;
CoreSurface *surface;
CoreLayer *layer;
CoreLayerShared *shared;
DisplayLayerFuncs *funcs;
const CoreSurfaceNotification *notification = msg_data;
CoreLayerRegion *region = ctx;
D_ASSERT( notification != NULL );
D_ASSERT( region != NULL );
D_ASSERT( region->context != NULL );
D_DEBUG_AT( Core_Layers, "_dfb_layer_region_surface_listener( %p, %p ) <- 0x%08x\n",
notification, region, notification->flags );
D_ASSERT( notification->surface != NULL );
D_ASSUME( notification->surface == region->surface );
if (notification->surface != region->surface)
return RS_OK;
layer = dfb_layer_at( region->context->layer_id );
D_ASSERT( layer != NULL );
D_ASSERT( layer->funcs != NULL );
D_ASSERT( layer->funcs->SetRegion != NULL );
D_ASSERT( layer->shared != NULL );
funcs = layer->funcs;
shared = layer->shared;
flags = notification->flags;
surface = notification->surface;
if (flags & CSNF_DESTROY) {
D_WARN( "layer region surface destroyed" );
region->surface = NULL;
return RS_REMOVE;
}
if (dfb_layer_region_lock( region ))
return RS_OK;
if (D_FLAGS_ARE_SET( region->state, CLRSF_REALIZED | CLRSF_CONFIGURED )) {
if (D_FLAGS_IS_SET( flags, CSNF_PALETTE_CHANGE | CSNF_PALETTE_UPDATE )) {
if (surface->palette)
funcs->SetRegion( layer,
layer->driver_data, layer->layer_data,
region->region_data, ®ion->config,
CLRCF_PALETTE, surface, surface->palette );
}
if ((flags & CSNF_FIELD) && funcs->SetInputField)
funcs->SetInputField( layer,
layer->driver_data, layer->layer_data,
region->region_data, surface->field );
if ((flags & CSNF_ALPHA_RAMP) && (shared->description.caps & DLCAPS_ALPHA_RAMP)) {
region->config.alpha_ramp[0] = surface->alpha_ramp[0];
region->config.alpha_ramp[1] = surface->alpha_ramp[1];
region->config.alpha_ramp[2] = surface->alpha_ramp[2];
region->config.alpha_ramp[3] = surface->alpha_ramp[3];
funcs->SetRegion( layer,
layer->driver_data, layer->layer_data,
region->region_data, ®ion->config,
CLRCF_ALPHA_RAMP, surface, surface->palette );
}
}
dfb_layer_region_unlock( region );
return RS_OK;
}
DFBResult
dfb_layer_region_set_configuration( CoreLayerRegion *region,
CoreLayerRegionConfig *config,
CoreLayerRegionConfigFlags flags )
{
DFBResult ret;
CoreLayer *layer;
DisplayLayerFuncs *funcs;
CoreLayerRegionConfig new_config;
D_ASSERT( region != NULL );
D_ASSERT( region->context != NULL );
D_ASSERT( config != NULL );
D_ASSERT( config->buffermode != DLBM_WINDOWS );
D_ASSERT( (flags == CLRCF_ALL) || (region->state & CLRSF_CONFIGURED) );
D_ASSUME( flags != CLRCF_NONE );
D_ASSUME( ! (flags & ~CLRCF_ALL) );
layer = dfb_layer_at( region->context->layer_id );
D_ASSERT( layer != NULL );
D_ASSERT( layer->funcs != NULL );
D_ASSERT( layer->funcs->TestRegion != NULL );
funcs = layer->funcs;
/* Lock the region. */
if (dfb_layer_region_lock( region ))
return DFB_FUSION;
/* Full configuration supplied? */
if (flags == CLRCF_ALL) {
new_config = *config;
}
else {
/* Use the current configuration. */
new_config = region->config;
/* Update each modified entry. */
if (flags & CLRCF_WIDTH)
new_config.width = config->width;
if (flags & CLRCF_HEIGHT)
new_config.height = config->height;
if (flags & CLRCF_FORMAT)
new_config.format = config->format;
if (flags & CLRCF_SURFACE_CAPS)
new_config.surface_caps = config->surface_caps;
if (flags & CLRCF_BUFFERMODE)
new_config.buffermode = config->buffermode;
if (flags & CLRCF_OPTIONS)
new_config.options = config->options;
if (flags & CLRCF_SOURCE_ID)
new_config.source_id = config->source_id;
if (flags & CLRCF_SOURCE)
new_config.source = config->source;
if (flags & CLRCF_DEST)
new_config.dest = config->dest;
if (flags & CLRCF_OPACITY)
new_config.opacity = config->opacity;
if (flags & CLRCF_ALPHA_RAMP) {
new_config.alpha_ramp[0] = config->alpha_ramp[0];
new_config.alpha_ramp[1] = config->alpha_ramp[1];
new_config.alpha_ramp[2] = config->alpha_ramp[2];
new_config.alpha_ramp[3] = config->alpha_ramp[3];
}
if (flags & CLRCF_SRCKEY)
new_config.src_key = config->src_key;
if (flags & CLRCF_DSTKEY)
new_config.dst_key = config->dst_key;
if (flags & CLRCF_PARITY)
new_config.parity = config->parity;
}
/* Check if the new configuration is supported. */
ret = funcs->TestRegion( layer, layer->driver_data, layer->layer_data,
&new_config, NULL );
if (ret) {
dfb_layer_region_unlock( region );
return ret;
}
/* Propagate new configuration to the driver if the region is realized. */
if (D_FLAGS_IS_SET( region->state, CLRSF_REALIZED )) {
ret = set_region( region, &new_config, flags, region->surface );
if (ret) {
dfb_layer_region_unlock( region );
return ret;
}
}
/* Update the region's current configuration. */
region->config = new_config;
/* Update the region's state. */
D_FLAGS_SET( region->state, CLRSF_CONFIGURED );
/* Unlock the region. */
dfb_layer_region_unlock( region );
return DFB_OK;
}
DFBResult
dfb_layer_region_flip_update( CoreLayerRegion *region,
const DFBRegion *update,
DFBSurfaceFlipFlags flags )
{
DFBResult ret = DFB_OK;
CoreLayer *layer;
CoreLayerContext *context;
CoreSurface *surface;
SurfaceBuffer *buffer;
DisplayLayerFuncs *funcs;
if (update)
D_DEBUG_AT( Core_Layers,
"dfb_layer_region_flip_update( %p, %p, 0x%08x ) <- [%d, %d - %dx%d]\n",
region, update, flags, DFB_RECTANGLE_VALS_FROM_REGION( update ) );
else
D_DEBUG_AT( Core_Layers,
"dfb_layer_region_flip_update( %p, %p, 0x%08x )\n", region, update, flags );
D_ASSERT( region != NULL );
D_ASSERT( region->context != NULL );
/* Lock the region. */
if (dfb_layer_region_lock( region ))
return DFB_FUSION;
D_ASSUME( region->surface != NULL );
/* Check for NULL surface. */
if (!region->surface) {
D_DEBUG_AT( Core_Layers, " -> No surface => no update!\n" );
dfb_layer_region_unlock( region );
return DFB_UNSUPPORTED;
}
context = region->context;
surface = region->surface;
buffer = surface->back_buffer;
layer = dfb_layer_at( context->layer_id );
D_ASSERT( layer->funcs != NULL );
funcs = layer->funcs;
/* Depending on the buffer mode... */
switch (region->config.buffermode) {
case DLBM_TRIPLE:
case DLBM_BACKVIDEO:
/* Check if simply swapping the buffers is possible... */
if (!(flags & DSFLIP_BLIT) &&
(!update || (update->x1 == 0 &&
update->y1 == 0 &&
update->x2 == surface->width - 1 &&
update->y2 == surface->height - 1)))
{
D_DEBUG_AT( Core_Layers, " -> Going to swap buffers...\n" );
/* Use the driver's routine if the region is realized. */
if (D_FLAGS_IS_SET( region->state, CLRSF_REALIZED )) {
D_ASSUME( funcs->FlipRegion != NULL );
D_DEBUG_AT( Core_Layers, " -> Waiting for pending writes...\n" );
if (buffer->video.access & VAF_HARDWARE_WRITE) {
dfb_gfxcard_wait_serial( &buffer->video.serial );
buffer->video.access &= ~VAF_HARDWARE_WRITE;
}
D_DEBUG_AT( Core_Layers, " -> Flipping region using driver...\n" );
if (funcs->FlipRegion)
ret = funcs->FlipRegion( layer,
layer->driver_data,
layer->layer_data,
region->region_data,
surface, flags );
}
else {
D_DEBUG_AT( Core_Layers, " -> Flipping region not using driver...\n" );
/* Just do the hardware independent work. */
dfb_surface_flip_buffers( surface, false );
}
break;
}
/* fall through */
case DLBM_BACKSYSTEM:
D_DEBUG_AT( Core_Layers, " -> Going to copy portion...\n" );
if ((flags & DSFLIP_WAITFORSYNC) == DSFLIP_WAITFORSYNC) {
D_DEBUG_AT( Core_Layers, " -> Waiting for VSync...\n" );
dfb_layer_wait_vsync( layer );
}
D_DEBUG_AT( Core_Layers, " -> Copying content from back to front buffer...\n" );
/* ...or copy updated contents from back to front buffer. */
dfb_back_to_front_copy( surface, update );
if ((flags & DSFLIP_WAITFORSYNC) == DSFLIP_WAIT) {
D_DEBUG_AT( Core_Layers, " -> Waiting for VSync...\n" );
dfb_layer_wait_vsync( layer );
}
/* fall through */
case DLBM_FRONTONLY:
/* Tell the driver about the update if the region is realized. */
if (funcs->UpdateRegion && D_FLAGS_IS_SET( region->state, CLRSF_REALIZED )) {
D_DEBUG_AT( Core_Layers, " -> Notifying driver about updated content...\n" );
ret = funcs->UpdateRegion( layer,
layer->driver_data,
layer->layer_data,
region->region_data,
surface, update );
}
break;
default:
D_BUG("unknown buffer mode");
ret = DFB_BUG;
}
D_DEBUG_AT( Core_Layers, " -> done.\n" );
/* Unlock the region. */
dfb_layer_region_unlock( region );
return ret;
}
static ReactionResult
stack_inputdevice_react( const void *msg_data,
void *ctx )
{
const DFBInputEvent *evt = (DFBInputEvent*)msg_data;
DFBWindowEvent we;
CoreWindow *window = NULL;
CoreWindowStack *stack = (CoreWindowStack*)ctx;
DisplayLayer *layer = dfb_layer_at( stack->layer_id );
/* FIXME: this is a bad check for exclusive access */
if (dfb_layer_lease( layer ) )
return RS_OK;
dfb_layer_release( layer, false );
if (stack->wm_hack) {
switch (evt->type) {
case DIET_KEYRELEASE:
switch (evt->key_symbol) {
case DIKS_CAPS_LOCK:
stack->wm_hack = 0;
stack_lock( stack );
handle_enter_leave_focus( stack );
stack_unlock( stack );
break;
case DIKS_CONTROL:
stack->wm_hack = 1;
return RS_OK;
default:
;
}
break;
case DIET_KEYPRESS:
switch (DFB_LOWER_CASE(evt->key_symbol)) {
case DIKS_CONTROL:
stack->wm_hack = 2;
return RS_OK;
case DIKS_SMALL_C:
if (stack->entered_window) {
DFBWindowEvent evt;
evt.type = DWET_CLOSE;
dfb_window_dispatch( stack->entered_window, &evt );
}
return RS_OK;
case DIKS_SMALL_D: {
CoreWindow *window = stack->entered_window;
if (window &&
!(window->options & DWOP_INDESTRUCTIBLE))
{
dfb_window_deinit( window );
dfb_window_destroy( window, true );
}
return RS_OK;
}
default:
;
}
break;
case DIET_BUTTONRELEASE:
return RS_OK;
case DIET_BUTTONPRESS:
if (stack->entered_window &&
!(stack->entered_window->options & DWOP_KEEP_STACKING))
dfb_window_raisetotop( stack->entered_window );
return RS_OK;
default:
;
}
}
switch (evt->type) {
case DIET_KEYPRESS:
if (evt->key_id == DIKI_CAPS_LOCK)
stack->wm_hack = 1;
/* fall through */
case DIET_KEYRELEASE:
stack_lock( stack );
window = (stack->keyboard_window ?
stack->keyboard_window : stack->focused_window);
if (window) {
we.type = (evt->type == DIET_KEYPRESS) ? DWET_KEYDOWN :
DWET_KEYUP;
we.key_code = evt->key_code;
we.key_id = evt->key_id;
we.key_symbol = evt->key_symbol;
we.modifiers = evt->modifiers; /* FIXME: handle mult. devices */
we.locks = evt->locks; /* FIXME: handle mult. devices */
dfb_window_dispatch( window, &we );
}
stack_unlock( stack );
break;
case DIET_BUTTONPRESS:
case DIET_BUTTONRELEASE:
if (!stack->cursor.enabled)
break;
stack_lock( stack );
window = (stack->pointer_window ?
stack->pointer_window : stack->entered_window);
if (window) {
we.type = (evt->type == DIET_BUTTONPRESS) ? DWET_BUTTONDOWN :
DWET_BUTTONUP;
we.button = evt->button;
we.buttons = evt->buttons; /* FIXME: handle mult. devices */
we.cx = stack->cursor.x;
we.cy = stack->cursor.y;
we.x = we.cx - window->x;
we.y = we.cy - window->y;
dfb_window_dispatch( window, &we );
}
stack_unlock( stack );
break;
case DIET_AXISMOTION:
if (evt->flags & DIEF_AXISREL) {
int rel = evt->axisrel;
/* handle cursor acceleration */
if (rel > stack->cursor.threshold)
rel += (rel - stack->cursor.threshold)
* stack->cursor.numerator
/ stack->cursor.denominator;
else if (rel < -stack->cursor.threshold)
rel += (rel + stack->cursor.threshold)
* stack->cursor.numerator
/ stack->cursor.denominator;
switch (evt->axis) {
case DIAI_X:
dfb_windowstack_handle_motion( stack, rel, 0 );
break;
case DIAI_Y:
dfb_windowstack_handle_motion( stack, 0, rel );
break;
case DIAI_Z:
handle_wheel( stack, - evt->axisrel );
break;
default:
return RS_OK;
}
}
else if (evt->flags & DIEF_AXISABS) {
switch (evt->axis) {
case DIAI_X:
dfb_windowstack_handle_motion( stack,
evt->axisabs - stack->cursor.x, 0 );
break;
case DIAI_Y:
dfb_windowstack_handle_motion( stack, 0,
evt->axisabs - stack->cursor.y);
break;
default:
return RS_OK;
}
}
break;
default:
break;
}
return RS_OK;
}
DFBResult
dfb_layer_region_flip_update( CoreLayerRegion *region,
const DFBRegion *update,
DFBSurfaceFlipFlags flags )
{
DFBResult ret = DFB_OK;
DFBRegion rotated;
CoreLayer *layer;
CoreLayerContext *context;
CoreSurface *surface;
const DisplayLayerFuncs *funcs;
if (update)
D_DEBUG_AT( Core_Layers,
"dfb_layer_region_flip_update( %p, %p, 0x%08x ) <- [%d, %d - %dx%d]\n",
region, update, flags, DFB_RECTANGLE_VALS_FROM_REGION( update ) );
else
D_DEBUG_AT( Core_Layers,
"dfb_layer_region_flip_update( %p, %p, 0x%08x )\n", region, update, flags );
D_ASSERT( region != NULL );
D_ASSERT( region->context != NULL );
/* Lock the region. */
if (dfb_layer_region_lock( region ))
return DFB_FUSION;
D_ASSUME( region->surface != NULL );
/* Check for NULL surface. */
if (!region->surface) {
D_DEBUG_AT( Core_Layers, " -> No surface => no update!\n" );
dfb_layer_region_unlock( region );
return DFB_UNSUPPORTED;
}
context = region->context;
surface = region->surface;
layer = dfb_layer_at( context->layer_id );
D_ASSERT( layer->funcs != NULL );
funcs = layer->funcs;
/* Unfreeze region? */
if (D_FLAGS_IS_SET( region->state, CLRSF_FROZEN )) {
D_FLAGS_CLEAR( region->state, CLRSF_FROZEN );
if (D_FLAGS_IS_SET( region->state, CLRSF_REALIZED )) {
ret = set_region( region, ®ion->config, CLRCF_ALL, surface );
if (ret)
D_DERROR( ret, "Core/LayerRegion: set_region() in dfb_layer_region_flip_update() failed!\n" );
}
else if (D_FLAGS_ARE_SET( region->state, CLRSF_ENABLED | CLRSF_ACTIVE )) {
ret = realize_region( region );
if (ret)
D_DERROR( ret, "Core/LayerRegion: realize_region() in dfb_layer_region_flip_update() failed!\n" );
}
if (ret) {
dfb_layer_region_unlock( region );
return ret;
}
}
/* Depending on the buffer mode... */
switch (region->config.buffermode) {
case DLBM_TRIPLE:
case DLBM_BACKVIDEO:
/* Check if simply swapping the buffers is possible... */
if (!(flags & DSFLIP_BLIT) && !surface->rotation &&
(!update || (update->x1 == 0 &&
update->y1 == 0 &&
update->x2 == surface->config.size.w - 1 &&
update->y2 == surface->config.size.h - 1)))
{
D_DEBUG_AT( Core_Layers, " -> Going to swap buffers...\n" );
/* Use the driver's routine if the region is realized. */
if (D_FLAGS_IS_SET( region->state, CLRSF_REALIZED )) {
D_ASSUME( funcs->FlipRegion != NULL );
ret = region_buffer_lock( region, surface, CSBR_BACK );
if (ret) {
dfb_layer_region_unlock( region );
return ret;
}
D_DEBUG_AT( Core_Layers, " -> Flipping region using driver...\n" );
if (funcs->FlipRegion)
ret = funcs->FlipRegion( layer,
layer->driver_data,
layer->layer_data,
region->region_data,
surface, flags, ®ion->surface_lock );
dfb_surface_unlock( surface );
}
else {
D_DEBUG_AT( Core_Layers, " -> Flipping region not using driver...\n" );
/* Just do the hardware independent work. */
dfb_surface_lock( surface );
dfb_surface_flip( surface, false );
dfb_surface_unlock( surface );
}
break;
}
/* fall through */
case DLBM_BACKSYSTEM:
D_DEBUG_AT( Core_Layers, " -> Going to copy portion...\n" );
if ((flags & DSFLIP_WAITFORSYNC) == DSFLIP_WAITFORSYNC) {
D_DEBUG_AT( Core_Layers, " -> Waiting for VSync...\n" );
dfb_layer_wait_vsync( layer );
}
D_DEBUG_AT( Core_Layers, " -> Copying content from back to front buffer...\n" );
/* ...or copy updated contents from back to front buffer. */
dfb_back_to_front_copy_rotation( surface, update, surface->rotation );
if ((flags & DSFLIP_WAITFORSYNC) == DSFLIP_WAIT) {
D_DEBUG_AT( Core_Layers, " -> Waiting for VSync...\n" );
dfb_layer_wait_vsync( layer );
}
/* fall through */
case DLBM_FRONTONLY:
/* Tell the driver about the update if the region is realized. */
if (funcs->UpdateRegion && D_FLAGS_IS_SET( region->state, CLRSF_REALIZED )) {
if (surface) {
CoreSurfaceAllocation *allocation;
allocation = region->surface_lock.allocation;
D_ASSERT( allocation != NULL );
/* If hardware has written or is writing... */
if (allocation->accessed[CSAID_GPU] & CSAF_WRITE) {
D_DEBUG_AT( Core_Layers, " -> Waiting for pending writes...\n" );
/* ...wait for the operation to finish. */
if (!(flags & DSFLIP_PIPELINE))
dfb_gfxcard_sync(); /* TODO: wait for serial instead */
allocation->accessed[CSAID_GPU] &= ~CSAF_WRITE;
}
dfb_surface_lock( surface );
dfb_surface_allocation_update( allocation, CSAF_READ );
dfb_surface_unlock( surface );
}
D_DEBUG_AT( Core_Layers, " -> Notifying driver about updated content...\n" );
dfb_region_from_rotated( &rotated, update, &surface->config.size, surface->rotation );
ret = funcs->UpdateRegion( layer,
layer->driver_data,
layer->layer_data,
region->region_data,
surface, &rotated, ®ion->surface_lock );
}
break;
default:
D_BUG("unknown buffer mode");
ret = DFB_BUG;
}
D_DEBUG_AT( Core_Layers, " -> done.\n" );
/* Unlock the region. */
dfb_layer_region_unlock( region );
return ret;
}
static DFBResult
set_region( CoreLayerRegion *region,
CoreLayerRegionConfig *config,
CoreLayerRegionConfigFlags flags,
CoreSurface *surface )
{
DFBResult ret = DFB_OK;
CoreLayer *layer;
const DisplayLayerFuncs *funcs;
D_ASSERT( region != NULL );
D_ASSERT( region->context != NULL );
D_ASSERT( config != NULL );
D_ASSERT( config->buffermode != DLBM_WINDOWS );
D_ASSERT( D_FLAGS_IS_SET( region->state, CLRSF_REALIZED ) );
layer = dfb_layer_at( region->context->layer_id );
D_ASSERT( layer != NULL );
D_ASSERT( layer->funcs != NULL );
D_ASSERT( layer->funcs->SetRegion != NULL );
if (region->state & CLRSF_FROZEN)
return DFB_OK;
funcs = layer->funcs;
if (surface) {
if (flags & (CLRCF_SURFACE | CLRCF_WIDTH | CLRCF_HEIGHT | CLRCF_FORMAT)) {
if (region->surface_lock.buffer) {
CoreSurfaceBuffer *buffer = region->surface_lock.buffer;
D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer );
if (surface == buffer->surface) {
if (dfb_surface_lock( surface ))
return DFB_FUSION;
dfb_surface_buffer_unlock( ®ion->surface_lock );
buffer = dfb_surface_get_buffer( surface, CSBR_FRONT );
D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer );
ret = dfb_surface_buffer_lock( buffer, CSAF_CPU_READ | CSAF_GPU_READ,
®ion->surface_lock );
dfb_surface_unlock( surface );
}
else {
dfb_surface_unlock_buffer( buffer->surface, ®ion->surface_lock );
ret = dfb_surface_lock_buffer( surface, CSBR_FRONT, CSAF_CPU_READ | CSAF_GPU_READ,
®ion->surface_lock );
}
}
else
ret = dfb_surface_lock_buffer( surface, CSBR_FRONT, CSAF_CPU_READ | CSAF_GPU_READ,
®ion->surface_lock );
}
if (ret) {
D_DERROR( ret, "Core/LayerRegion: Could not lock region surface for SetRegion()!\n" );
return ret;
}
D_ASSERT( region->surface_lock.buffer != NULL );
}
else if (region->surface_lock.buffer) {
D_MAGIC_ASSERT( region->surface_lock.buffer, CoreSurfaceBuffer );
dfb_surface_unlock_buffer( region->surface_lock.buffer->surface, ®ion->surface_lock );
}
/* Setup hardware. */
return funcs->SetRegion( layer, layer->driver_data, layer->layer_data,
region->region_data, config, flags,
surface, surface ? surface->palette : NULL, ®ion->surface_lock );
}
DFBResult
dfb_window_create( CoreWindowStack *stack,
int x,
int y,
int width,
int height,
DFBWindowCapabilities caps,
DFBSurfaceCapabilities surface_caps,
DFBSurfacePixelFormat pixelformat,
CoreWindow **window )
{
DFBResult ret;
CoreSurface *surface;
CoreSurfacePolicy surface_policy;
CoreWindow *w;
DisplayLayer *layer = dfb_layer_at( stack->layer_id );
CoreSurface *layer_surface = dfb_layer_surface( layer );
surface_caps &= DSCAPS_INTERLACED | DSCAPS_SEPERATED |
DSCAPS_STATIC_ALLOC | DSCAPS_SYSTEMONLY | DSCAPS_VIDEOONLY;
if (caps & DWCAPS_ALPHACHANNEL) {
if (pixelformat == DSPF_UNKNOWN)
pixelformat = DSPF_ARGB;
else if (! DFB_PIXELFORMAT_HAS_ALPHA(pixelformat))
return DFB_INVARG;
surface_policy = stack->wsp_alpha;
}
else {
surface_policy = stack->wsp_opaque;
if (pixelformat == DSPF_UNKNOWN)
pixelformat = layer_surface->format;
}
if (surface_caps & DSCAPS_VIDEOONLY)
surface_policy = CSP_VIDEOONLY;
else if (surface_caps & DSCAPS_SYSTEMONLY)
surface_policy = CSP_SYSTEMONLY;
else if (layer_surface->back_buffer->policy == CSP_SYSTEMONLY)
surface_policy = CSP_SYSTEMONLY;
if (caps & DWCAPS_DOUBLEBUFFER)
surface_caps |= DSCAPS_FLIPPING;
/* Create the window object. */
w = (CoreWindow*) fusion_object_create( stack->pool );
/* Create the window's surface using the layer's palette. */
if (! (caps & DWCAPS_INPUTONLY)) {
ret = dfb_surface_create( width, height, pixelformat, surface_policy,
surface_caps, layer_surface->palette,
&surface );
if (ret) {
fusion_object_destroy( &w->object );
return ret;
}
dfb_surface_link( &w->surface, surface );
dfb_surface_unref( surface );
}
w->id = new_window_id( stack );
w->x = x;
w->y = y;
w->width = width;
w->height = height;
w->caps = caps;
w->opacity = 0;
if (caps & DWCAPS_ALPHACHANNEL)
w->options = DWOP_ALPHACHANNEL;
w->stack = stack;
w->events = DWET_ALL;
*window = w;
return DFB_OK;;
}
static DFBResult
realize_region( CoreLayerRegion *region )
{
DFBResult ret;
CoreLayer *layer;
CoreLayerShared *shared;
DisplayLayerFuncs *funcs;
D_ASSERT( region != NULL );
D_ASSERT( region->context != NULL );
D_ASSERT( D_FLAGS_IS_SET( region->state, CLRSF_CONFIGURED ) );
D_ASSERT( ! D_FLAGS_IS_SET( region->state, CLRSF_REALIZED ) );
layer = dfb_layer_at( region->context->layer_id );
D_ASSERT( layer != NULL );
D_ASSERT( layer->shared != NULL );
D_ASSERT( layer->funcs != NULL );
shared = layer->shared;
funcs = layer->funcs;
D_ASSERT( ! fusion_vector_contains( &shared->added_regions, region ) );
/* Allocate the driver's region data. */
if (funcs->RegionDataSize) {
int size = funcs->RegionDataSize();
if (size > 0) {
region->region_data = SHCALLOC( 1, size );
if (!region->region_data)
return D_OOSHM();
}
}
D_DEBUG_AT( Core_Layers, "Adding region (%d, %d - %dx%d) to '%s'.\n",
DFB_RECTANGLE_VALS( ®ion->config.dest ), shared->description.name );
/* Add the region to the driver. */
if (funcs->AddRegion) {
ret = funcs->AddRegion( layer,
layer->driver_data, layer->layer_data,
region->region_data, ®ion->config );
if (ret) {
D_DERROR( ret, "Core/Layers: Could not add region!\n" );
if (region->region_data) {
SHFREE( region->region_data );
region->region_data = NULL;
}
return ret;
}
}
/* Add the region to the 'added' list. */
fusion_vector_add( &shared->added_regions, region );
/* Update the region's state. */
D_FLAGS_SET( region->state, CLRSF_REALIZED );
/* Initially setup hardware. */
ret = set_region( region, ®ion->config, CLRCF_ALL, region->surface );
if (ret) {
unrealize_region( region );
return ret;
}
return DFB_OK;
}
/* HACK: implementation dumped in here for now, will move into context */
static DFBResult
wm_update_cursor( CoreWindowStack *stack,
void *wm_data,
void *stack_data,
CoreCursorUpdateFlags flags )
{
DFBResult ret;
DFBRegion old_region;
WMData *wmdata = wm_data;
StackData *data = stack_data;
bool restored = false;
CoreLayer *layer;
CoreLayerRegion *region;
CardState *state;
CoreSurface *surface;
UniqueContext *context;
D_ASSERT( stack != NULL );
D_ASSERT( stack->context != NULL );
D_ASSERT( wm_data != NULL );
D_ASSERT( stack_data != NULL );
D_MAGIC_ASSERT( data, StackData );
context = data->context;
D_MAGIC_ASSERT( context, UniqueContext );
/* Optimize case of invisible cursor moving. */
if (!(flags & ~(CCUF_POSITION | CCUF_SHAPE)) && (!stack->cursor.opacity || !stack->cursor.enabled)) {
context->cursor_bs_valid = false;
return DFB_OK;
}
layer = dfb_layer_at( context->layer_id );
state = &layer->state;
region = context->region;
surface = context->surface;
D_ASSERT( region != NULL );
D_ASSERT( surface != NULL );
if (flags & CCUF_ENABLE) {
CoreSurface *cursor_bs;
DFBSurfaceCapabilities caps = DSCAPS_NONE;
dfb_surface_caps_apply_policy( stack->cursor.policy, &caps );
D_ASSERT( context->cursor_bs == NULL );
/* Create the cursor backing store surface. */
ret = dfb_surface_create_simple( wmdata->core, stack->cursor.size.w, stack->cursor.size.h,
region->config.format, region->config.colorspace,
caps, CSTF_SHARED | CSTF_CURSOR,
0, /* FIXME: no shared cursor objects, no cursor id */
NULL, &cursor_bs );
if (ret) {
D_ERROR( "WM/Default: Failed creating backing store for cursor!\n" );
return ret;
}
ret = dfb_surface_globalize( cursor_bs );
D_ASSERT( ret == DFB_OK );
/* Ensure valid back buffer for now.
* FIXME: Keep a flag to know when back/front have been swapped and need a sync.
*/
switch (region->config.buffermode) {
case DLBM_BACKVIDEO:
case DLBM_TRIPLE:
dfb_gfx_copy( surface, surface, NULL );
break;
default:
break;
}
context->cursor_bs = cursor_bs;
}
else {
D_ASSERT( context->cursor_bs != NULL );
/* restore region under cursor */
if (context->cursor_drawn) {
DFBRectangle rect = { 0, 0,
context->cursor_region.x2 - context->cursor_region.x1 + 1,
context->cursor_region.y2 - context->cursor_region.y1 + 1 };
D_ASSERT( stack->cursor.opacity || (flags & CCUF_OPACITY) );
D_ASSERT( context->cursor_bs_valid );
dfb_gfx_copy_to( context->cursor_bs, surface, &rect,
context->cursor_region.x1, context->cursor_region.y1, false );
context->cursor_drawn = false;
old_region = context->cursor_region;
restored = true;
}
if (flags & CCUF_SIZE) {
ret = dfb_surface_reformat( context->cursor_bs,
stack->cursor.size.w, stack->cursor.size.h,
context->cursor_bs->config.format );
if (ret) {
D_ERROR( "WM/Default: Failed resizing backing store for cursor!\n" );
return ret;
}
}
}
if (flags & (CCUF_ENABLE | CCUF_POSITION | CCUF_SIZE | CCUF_OPACITY)) {
context->cursor_bs_valid = false;
context->cursor_region.x1 = stack->cursor.x - stack->cursor.hot.x;
context->cursor_region.y1 = stack->cursor.y - stack->cursor.hot.y;
context->cursor_region.x2 = context->cursor_region.x1 + stack->cursor.size.w - 1;
context->cursor_region.y2 = context->cursor_region.y1 + stack->cursor.size.h - 1;
if (!dfb_region_intersect( &context->cursor_region, 0, 0, stack->width - 1, stack->height - 1 )) {
D_BUG( "invalid cursor region" );
return DFB_BUG;
}
}
D_ASSERT( context->cursor_bs != NULL );
if (flags & CCUF_DISABLE) {
dfb_surface_unlink( &context->cursor_bs );
}
else if (stack->cursor.opacity) {
/* backup region under cursor */
if (!context->cursor_bs_valid) {
DFBRectangle rect = DFB_RECTANGLE_INIT_FROM_REGION( &context->cursor_region );
D_ASSERT( !context->cursor_drawn );
/* FIXME: this requires using blitted flipping all the time,
but fixing it seems impossible, for now DSFLIP_BLIT is forced
in repaint_stack() when the cursor is enabled. */
dfb_gfx_copy_to( surface, context->cursor_bs, &rect, 0, 0, true );
context->cursor_bs_valid = true;
}
/* Set destination. */
state->destination = surface;
state->modified |= SMF_DESTINATION;
/* Set clipping region. */
dfb_state_set_clip( state, &context->cursor_region );
/* draw cursor */
unique_draw_cursor( stack, context, state, &context->cursor_region );
/* Reset destination. */
state->destination = NULL;
state->modified |= SMF_DESTINATION;
context->cursor_drawn = true;
if (restored) {
if (dfb_region_region_intersects( &old_region, &context->cursor_region ))
dfb_region_region_union( &old_region, &context->cursor_region );
else
dfb_layer_region_flip_update( region, &context->cursor_region, DSFLIP_BLIT );
dfb_layer_region_flip_update( region, &old_region, DSFLIP_BLIT );
}
else
dfb_layer_region_flip_update( region, &context->cursor_region, DSFLIP_BLIT );
}
else if (restored)
dfb_layer_region_flip_update( region, &old_region, DSFLIP_BLIT );
return DFB_OK;
}
static DFBResult
set_region( CoreLayerRegion *region,
CoreLayerRegionConfig *config,
CoreLayerRegionConfigFlags flags,
CoreSurface *surface )
{
DFBResult ret;
CoreLayer *layer;
CoreLayerShared *shared;
const DisplayLayerFuncs *funcs;
D_DEBUG_AT( Core_Layers, "%s( %p, %p, 0x%08x, %p )\n", __FUNCTION__, region, config, flags, surface );
DFB_CORE_LAYER_REGION_CONFIG_DEBUG_AT( Core_Layers, config );
D_DEBUG_AT( Core_Layers, " -> state 0x%08x\n", region->state );
D_ASSERT( region != NULL );
D_ASSERT( region->context != NULL );
D_ASSERT( config != NULL );
D_ASSERT( config->buffermode != DLBM_WINDOWS );
D_ASSERT( D_FLAGS_IS_SET( region->state, CLRSF_REALIZED ) );
layer = dfb_layer_at( region->context->layer_id );
D_ASSERT( layer != NULL );
D_ASSERT( layer->shared != NULL );
D_ASSERT( layer->funcs != NULL );
D_ASSERT( layer->funcs->SetRegion != NULL );
if (region->state & CLRSF_FROZEN) {
D_DEBUG_AT( Core_Layers, " -> FROZEN!\n" );
return DFB_OK;
}
shared = layer->shared;
funcs = layer->funcs;
if (surface) {
if (flags & (CLRCF_SURFACE | CLRCF_WIDTH | CLRCF_HEIGHT | CLRCF_FORMAT)) {
ret = region_buffer_lock( region, surface, CSBR_FRONT );
if (ret)
return ret;
dfb_surface_unlock( surface );
}
D_ASSERT( region->surface_lock.buffer != NULL );
}
else if (region->surface_lock.buffer) {
D_MAGIC_ASSERT( region->surface_lock.buffer, CoreSurfaceBuffer );
dfb_surface_unlock_buffer( region->surface_lock.buffer->surface, ®ion->surface_lock );
}
D_DEBUG_AT( Core_Layers, " => setting region of '%s'\n", shared->description.name );
/* Setup hardware. */
return funcs->SetRegion( layer, layer->driver_data, layer->layer_data,
region->region_data, config, flags,
surface, surface ? surface->palette : NULL, ®ion->surface_lock );
}
static DFBResult
system_shutdown( bool emergency )
{
DFBX11 *x11 = dfb_system_data();
DFBX11Shared *shared = x11->shared;
int i;
D_DEBUG_AT( X11_Core, "%s()\n", __FUNCTION__ );
/*
* Master deinit
*/
if (shared->x11_pool_bridge)
dfb_surface_pool_bridge_destroy( shared->x11_pool_bridge );
if (shared->vpsmem_pool)
dfb_surface_pool_destroy( shared->vpsmem_pool );
if (shared->glx_pool)
dfb_surface_pool_destroy( shared->glx_pool );
if (shared->x11image_pool)
dfb_surface_pool_destroy( shared->x11image_pool );
/*
* Shared deinit (master only)
*/
fusion_call_destroy( &shared->call );
fusion_skirmish_prevail( &shared->lock );
/* close remaining windows */
for( i=0; i<dfb_layer_num(); i++ ) {
CoreLayer *layer;
X11LayerData *lds;
layer = dfb_layer_at( i );
lds = layer->layer_data;
if( lds->xw ) {
dfb_x11_close_window( x11, lds->xw );
lds->xw = 0;
shared->window_count--;
}
}
fusion_skirmish_destroy( &shared->lock );
SHFREE( dfb_core_shmpool( x11->core ), shared );
/*
* Local deinit (master and slave)
*/
if (x11->display)
XCloseDisplay( x11->display );
D_FREE( x11 );
return DFB_OK;
}
static void
handle_expose_Async( void *ctx,
void *ctx2 )
{
DFBX11 *x11 = ctx;
DFBX11Shared *shared = x11->shared;
const XExposeEvent *expose = ctx2;
CoreLayer *layer;
CoreLayerContext *context;
int i;
X11LayerData *lds;
D_DEBUG_AT( X11_Input, "%s( %d,%d-%dx%d )\n", __FUNCTION__, expose->x, expose->y, expose->width, expose->height );
//D_INFO_LINE_MSG("handle_expose %d,%d-%dx%d", expose->x, expose->y, expose->width, expose->height);
/* find the correct layer */
for (i=0; i<shared->outputs; i++) {
if (shared->output[i].xw && (shared->output[i].xw->window == expose->window))
break;
}
/* layer not found? */
if (i == shared->outputs)
return;
lds = shared->output[i].layers[0];
layer = dfb_layer_at( lds->layer_id );
D_ASSERT( layer != NULL );
/* Get the currently active context. */
if (dfb_layer_get_active_context( layer, &context ) == DFB_OK) {
CoreLayerRegion *region;
/* Get the first region. */
if (dfb_layer_context_get_primary_region( context, false, ®ion ) == DFB_OK) {
/* Lock the region. */
dfb_layer_region_lock( region );
/* Get the surface of the region. */
if (region->surface && D_FLAGS_ARE_SET( region->state, CLRSF_REALIZED )) {
if (dfb_config->task_manager) {
DFBRegion update = { expose->x, expose->y,
expose->x + expose->width - 1,
expose->y + expose->height - 1 };
/* Tell the driver about the update if the region is realized. */
D_DEBUG_AT( X11_Input, " -> Issuing display task...\n" );
dfb_surface_lock( region->surface );
DisplayTask_Generate( region, &update, &update, DSFLIP_NONE, -1, NULL );
dfb_surface_unlock( region->surface );
}
else {
//if (lds->lock_left.buffer) {
DFBRegion update = { expose->x, expose->y,
expose->x + expose->width - 1,
expose->y + expose->height - 1 };
// dfb_x11_update_screen( x11, lds, &update, &update, &lds->lock_left, &lds->lock_right );
//}
dfb_x11_update_screen( x11, lds, &update, &update, NULL, NULL );
}
}
/* Unlock the region. */
dfb_layer_region_unlock( region );
/* Release the region. */
dfb_layer_region_unref( region );
}
/* Release the context. */
dfb_layer_context_unref( context );
}
}
