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Diffstat (limited to 'Source/DirectFB/src/display/idirectfbsurface_window.c')
| -rwxr-xr-x | Source/DirectFB/src/display/idirectfbsurface_window.c | 353 |
1 files changed, 353 insertions, 0 deletions
diff --git a/Source/DirectFB/src/display/idirectfbsurface_window.c b/Source/DirectFB/src/display/idirectfbsurface_window.c new file mode 100755 index 0000000..c76eb3d --- /dev/null +++ b/Source/DirectFB/src/display/idirectfbsurface_window.c @@ -0,0 +1,353 @@ +/* + (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/fonts.h> +#include <core/gfxcard.h> +#include <core/layer_context.h> +#include <core/layer_region.h> +#include <core/state.h> +#include <core/surface.h> +#include <core/windows.h> +#include <core/windows_internal.h> /* FIXME */ +#include <core/wm.h> + +#include <display/idirectfbsurface.h> +#include <display/idirectfbsurface_window.h> + +#include <direct/interface.h> +#include <direct/mem.h> +#include <misc/util.h> + +#include <gfx/util.h> + + +D_DEBUG_DOMAIN( Surface, "IDirectFBSurfaceW", "IDirectFBSurface_Window Interface" ); + +/**********************************************************************************************************************/ + +/* + * private data struct of IDirectFBSurface_Window + */ +typedef struct { + IDirectFBSurface_data base; /* base Surface implementation */ + + CoreWindow *window; /* pointer to core data */ + + pthread_t flip_thread; /* thread for non-flipping primary + surfaces, to make changes visible */ + +// CoreGraphicsSerial serial; +} IDirectFBSurface_Window_data; + +/**********************************************************************************************************************/ + +static void *Flipping_Thread( void *arg ); + +/**********************************************************************************************************************/ + +static void +IDirectFBSurface_Window_Destruct( IDirectFBSurface *thiz ) +{ + IDirectFBSurface_Window_data *data; + + D_DEBUG_AT( Surface, "%s( %p )\n", __FUNCTION__, thiz ); + + D_ASSERT( thiz != NULL ); + + data = thiz->priv; + + if ((int) data->flip_thread != -1) { + pthread_cancel( data->flip_thread ); + pthread_join( data->flip_thread, NULL ); + } + + dfb_window_unref( data->window ); + + IDirectFBSurface_Destruct( thiz ); +} + +static DirectResult +IDirectFBSurface_Window_Release( IDirectFBSurface *thiz ) +{ + DIRECT_INTERFACE_GET_DATA(IDirectFBSurface_Window) + + D_DEBUG_AT( Surface, "%s( %p )\n", __FUNCTION__, thiz ); + + if (--data->base.ref == 0) + IDirectFBSurface_Window_Destruct( thiz ); + + return DFB_OK; +} + +static DFBResult +IDirectFBSurface_Window_Flip( IDirectFBSurface *thiz, + const DFBRegion *region, + DFBSurfaceFlipFlags flags ) +{ + DFBResult ret; + DFBRegion reg; + + DIRECT_INTERFACE_GET_DATA(IDirectFBSurface_Window) + + 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( ® ) ); + + + if (flags & DSFLIP_PIPELINE) { + dfb_gfxcard_wait_serial( &data->window->serial2 ); + + data->window->serial2 = data->window->serial1; + + dfb_state_get_serial( &data->base.state, &data->window->serial1 ); + } + + + if (data->window->region) { + dfb_layer_region_flip_update( data->window->region, ®, flags ); + } + else { + if (data->base.surface->config.caps & DSCAPS_FLIPPING) { + if (!(flags & DSFLIP_BLIT) && reg.x1 == 0 && reg.y1 == 0 && + reg.x2 == data->base.surface->config.size.w - 1 && + reg.y2 == data->base.surface->config.size.h - 1) + { + ret = dfb_surface_lock( data->base.surface ); + if (ret) + return ret; + + dfb_surface_flip( data->base.surface, false ); + + dfb_surface_unlock( data->base.surface ); + } + else + dfb_back_to_front_copy( data->base.surface, ® ); + } + + dfb_window_repaint( data->window, ®, flags ); + } + + if (!data->window->config.opacity && data->base.caps & DSCAPS_PRIMARY) + dfb_window_set_opacity( data->window, 0xff ); + + return DFB_OK; +} + +static DFBResult +IDirectFBSurface_Window_GetSubSurface( IDirectFBSurface *thiz, + const DFBRectangle *rect, + IDirectFBSurface **surface ) +{ + DFBResult ret; + + DIRECT_INTERFACE_GET_DATA(IDirectFBSurface_Window) + + D_DEBUG_AT( Surface, "%s( %p )\n", __FUNCTION__, thiz ); + + /* Check arguments */ + if (!data->base.surface || !data->window || !data->window->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_Window_Construct( *surface, thiz, &wanted, &granted, + data->window, data->base.caps | + DSCAPS_SUBSURFACE, data->base.core ); + } + else { + /* Construct */ + ret = IDirectFBSurface_Window_Construct( *surface, thiz, NULL, NULL, + data->window, data->base.caps | + DSCAPS_SUBSURFACE, data->base.core ); + } + + return ret; +} + +DFBResult +IDirectFBSurface_Window_Construct( IDirectFBSurface *thiz, + IDirectFBSurface *parent, + DFBRectangle *wanted, + DFBRectangle *granted, + CoreWindow *window, + DFBSurfaceCapabilities caps, + CoreDFB *core ) +{ + DFBResult ret; + DFBInsets insets; + CoreWindowStack *stack; + + DIRECT_ALLOCATE_INTERFACE_DATA(thiz, IDirectFBSurface_Window) + + D_DEBUG_AT( Surface, "%s( %p )\n", __FUNCTION__, thiz ); + + stack = window->stack; + D_MAGIC_ASSERT( stack, CoreWindowStack ); + + dfb_layer_context_lock( stack->context ); + + dfb_wm_get_insets( stack, window, &insets ); + + dfb_layer_context_unlock( stack->context ); + + ret = IDirectFBSurface_Construct( thiz, parent, wanted, granted, &insets, + window->surface, caps, core ); + if (ret) + return ret; + + if (dfb_window_ref( window )) { + IDirectFBSurface_Destruct( thiz ); + return DFB_FAILURE; + } + + data->window = window; + data->flip_thread = (pthread_t) -1; + + /* + * Create an auto flipping thread if the application + * requested a (primary) surface that doesn't need to be flipped. + * Window surfaces even need to be flipped when they are single buffered. + */ + if (!(caps & DSCAPS_FLIPPING) && !(caps & DSCAPS_SUBSURFACE)) { + if (dfb_config->autoflip_window) + pthread_create( &data->flip_thread, NULL, Flipping_Thread, thiz ); + else + D_WARN( "Non-flipping window surface and no 'autoflip-window' option used" ); + } + + thiz->Release = IDirectFBSurface_Window_Release; + thiz->Flip = IDirectFBSurface_Window_Flip; + thiz->GetSubSurface = IDirectFBSurface_Window_GetSubSurface; + + return DFB_OK; +} + + +/* file internal */ + +static void * +Flipping_Thread( void *arg ) +{ + IDirectFBSurface *thiz = (IDirectFBSurface*) arg; + IDirectFBSurface_Window_data *data = (IDirectFBSurface_Window_data*) thiz->priv; + + D_DEBUG_AT( Surface, "%s( %p )\n", __FUNCTION__, thiz ); + + while (data->base.surface && data->window->surface) { + pthread_testcancel(); + + /* + * OPTIMIZE: only call if surface has been touched in the meantime + */ + thiz->Flip( thiz, NULL, 0 ); + + usleep(40000); + } + + return NULL; +} + |