diff options
Diffstat (limited to 'Source/DirectFB/src/display/idirectfbsurface_layer.c')
-rwxr-xr-x | Source/DirectFB/src/display/idirectfbsurface_layer.c | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/Source/DirectFB/src/display/idirectfbsurface_layer.c b/Source/DirectFB/src/display/idirectfbsurface_layer.c new file mode 100755 index 0000000..4507a56 --- /dev/null +++ b/Source/DirectFB/src/display/idirectfbsurface_layer.c @@ -0,0 +1,244 @@ +/* + (c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org) + (c) Copyright 2000-2004 Convergence (integrated media) GmbH + + All rights reserved. + + Written by Denis Oliver Kropp <dok@directfb.org>, + Andreas Hundt <andi@fischlustig.de>, + Sven Neumann <neo@directfb.org>, + Ville Syrjälä <syrjala@sci.fi> and + Claudio Ciccani <klan@users.sf.net>. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the + Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. +*/ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#include <string.h> + +#include <directfb.h> + +#include <core/core.h> +#include <core/coretypes.h> + +#include <core/gfxcard.h> +#include <core/state.h> +#include <core/layers.h> +#include <core/layer_region.h> +#include <core/surface.h> +#include <core/system.h> + +#include "idirectfbsurface.h" +#include "idirectfbsurface_layer.h" + +#include <misc/util.h> + +#include <direct/interface.h> +#include <direct/mem.h> + +#include <gfx/util.h> + + +D_DEBUG_DOMAIN( Surface, "IDirectFBSurfaceL", "IDirectFBSurface_Layer Interface" ); + +/**********************************************************************************************************************/ + +static void +IDirectFBSurface_Layer_Destruct( IDirectFBSurface *thiz ) +{ + IDirectFBSurface_Layer_data *data = (IDirectFBSurface_Layer_data*) thiz->priv; + + D_DEBUG_AT( Surface, "%s( %p )\n", __FUNCTION__, thiz ); + + dfb_layer_region_unref( data->region ); + IDirectFBSurface_Destruct( thiz ); +} + +static DirectResult +IDirectFBSurface_Layer_Release( IDirectFBSurface *thiz ) +{ + DIRECT_INTERFACE_GET_DATA(IDirectFBSurface_Layer) + + D_DEBUG_AT( Surface, "%s( %p )\n", __FUNCTION__, thiz ); + + if (--data->base.ref == 0) + IDirectFBSurface_Layer_Destruct( thiz ); + + return DFB_OK; +} + +static DFBResult +IDirectFBSurface_Layer_Flip( IDirectFBSurface *thiz, + const DFBRegion *region, + DFBSurfaceFlipFlags flags ) +{ + DFBRegion reg; + + DIRECT_INTERFACE_GET_DATA(IDirectFBSurface_Layer) + + D_DEBUG_AT( Surface, "%s( %p, %p, 0x%08x )\n", __FUNCTION__, thiz, region, flags ); + + if (!data->base.surface) + return DFB_DESTROYED; + + if (data->base.locked) + return DFB_LOCKED; + + if (!data->base.area.current.w || !data->base.area.current.h || + (region && (region->x1 > region->x2 || region->y1 > region->y2))) + return DFB_INVAREA; + + + IDirectFBSurface_StopAll( &data->base ); + + if (data->base.parent) { + IDirectFBSurface_data *parent_data; + + DIRECT_INTERFACE_GET_DATA_FROM( data->base.parent, parent_data, IDirectFBSurface ); + + /* Signal end of sequence of operations. */ + dfb_state_lock( &parent_data->state ); + dfb_state_stop_drawing( &parent_data->state ); + dfb_state_unlock( &parent_data->state ); + } + + + dfb_region_from_rectangle( ®, &data->base.area.current ); + + if (region) { + DFBRegion clip = DFB_REGION_INIT_TRANSLATED( region, + data->base.area.wanted.x, + data->base.area.wanted.y ); + + if (!dfb_region_region_intersect( ®, &clip )) + return DFB_INVAREA; + } + + D_DEBUG_AT( Surface, " -> FLIP %4d,%4d-%4dx%4d\n", DFB_RECTANGLE_VALS_FROM_REGION( ® ) ); + + return dfb_layer_region_flip_update( data->region, ®, flags ); +} + +static DFBResult +IDirectFBSurface_Layer_GetSubSurface( IDirectFBSurface *thiz, + const DFBRectangle *rect, + IDirectFBSurface **surface ) +{ + DFBResult ret; + + DIRECT_INTERFACE_GET_DATA(IDirectFBSurface_Layer) + + D_DEBUG_AT( Surface, "%s( %p )\n", __FUNCTION__, thiz ); + + /* Check arguments */ + if (!data->base.surface) + return DFB_DESTROYED; + + if (!surface) + return DFB_INVARG; + + /* Allocate interface */ + DIRECT_ALLOCATE_INTERFACE( *surface, IDirectFBSurface ); + + if (rect || data->base.limit_set) { + DFBRectangle wanted, granted; + + /* Compute wanted rectangle */ + if (rect) { + wanted = *rect; + + wanted.x += data->base.area.wanted.x; + wanted.y += data->base.area.wanted.y; + + if (wanted.w <= 0 || wanted.h <= 0) { + wanted.w = 0; + wanted.h = 0; + } + } + else { + wanted = data->base.area.wanted; + } + + /* Compute granted rectangle */ + granted = wanted; + + dfb_rectangle_intersect( &granted, &data->base.area.granted ); + + /* Construct */ + ret = IDirectFBSurface_Layer_Construct( *surface, thiz, &wanted, &granted, + data->region, data->base.caps | + DSCAPS_SUBSURFACE, data->base.core ); + } + else { + /* Construct */ + ret = IDirectFBSurface_Layer_Construct( *surface, thiz, NULL, NULL, + data->region, data->base.caps | + DSCAPS_SUBSURFACE, data->base.core ); + } + + return ret; +} + +DFBResult +IDirectFBSurface_Layer_Construct( IDirectFBSurface *thiz, + IDirectFBSurface *parent, + DFBRectangle *wanted, + DFBRectangle *granted, + CoreLayerRegion *region, + DFBSurfaceCapabilities caps, + CoreDFB *core ) +{ + DFBResult ret; + CoreSurface *surface; + + DIRECT_ALLOCATE_INTERFACE_DATA(thiz, IDirectFBSurface_Layer); + + D_DEBUG_AT( Surface, "%s( %p )\n", __FUNCTION__, thiz ); + + if (dfb_layer_region_ref( region )) + return DFB_FUSION; + + ret = dfb_layer_region_get_surface( region, &surface ); + if (ret) { + dfb_layer_region_unref( region ); + DIRECT_DEALLOCATE_INTERFACE(thiz); + return ret; + } + + ret = IDirectFBSurface_Construct( thiz, parent, wanted, granted, NULL, + surface, surface->config.caps | caps, core ); + if (ret) { + dfb_surface_unref( surface ); + dfb_layer_region_unref( region ); + return ret; + } + + dfb_surface_unref( surface ); + + data->region = region; + + thiz->Release = IDirectFBSurface_Layer_Release; + thiz->Flip = IDirectFBSurface_Layer_Flip; + thiz->GetSubSurface = IDirectFBSurface_Layer_GetSubSurface; + + return DFB_OK; +} + |