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/*
(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.
*/
#ifndef __CORE__LAYERS_INTERNAL_H__
#define __CORE__LAYERS_INTERNAL_H__
#include <directfb.h>
#include <core/coredefs.h>
#include <core/coretypes.h>
#include <fusion/object.h>
#include <fusion/property.h>
#include <fusion/vector.h>
#include <core/layers.h>
#include <core/layer_region.h>
#include <core/state.h>
typedef struct {
FusionVector stack;
int active;
CoreLayerContext *primary;
} CoreLayerContexts;
typedef struct {
int index;
DFBDisplayLayerSourceDescription description;
} CoreLayerSource;
typedef struct {
DFBDisplayLayerID layer_id;
DFBDisplayLayerDescription description;
DFBDisplayLayerConfig default_config;
DFBColorAdjustment default_adjustment;
CoreLayerSource *sources;
void *layer_data;
FusionSkirmish lock;
CoreLayerContexts contexts;
bool suspended;
FusionVector added_regions;
FusionSHMPoolShared *shmpool;
} CoreLayerShared;
struct __DFB_CoreLayer {
CoreLayerShared *shared;
CoreDFB *core;
CoreGraphicsDevice *device;
CoreScreen *screen;
void *driver_data;
void *layer_data; /* copy of shared->layer_data */
const DisplayLayerFuncs *funcs;
CardState state;
};
typedef enum {
CLLM_LOCATION, /* Keep normalized area. */
CLLM_CENTER, /* Center layer after resizing destination area. */
CLLM_POSITION, /* Keep pixel position, but resize area. */
CLLM_RECTANGLE /* Keep pixel based area. */
} CoreLayerLayoutMode;
struct __DFB_CoreLayerContext {
FusionObject object;
int magic;
DFBDisplayLayerID layer_id;
FusionSkirmish lock;
bool active; /* Is this the active context? */
DFBDisplayLayerConfig config; /* Current layer configuration. */
int rotation;
FusionVector regions; /* All regions created within
this context. */
struct {
CoreLayerRegion *region; /* Region of layer config if buffer
mode is not DLBM_WINDOWS. */
CoreLayerRegionConfig config; /* Region config used to implement
layer config and settings. */
} primary;
struct {
DFBLocation location; /* Normalized screen location. */
DFBRectangle rectangle; /* Pixel based position and size. */
CoreLayerLayoutMode mode; /* ...and how resizing influences them. */
} screen;
DFBColorAdjustment adjustment; /* Color adjustment of the layer.*/
CoreWindowStack *stack; /* Every layer has its own
windowstack as every layer has
its own pixel buffer. */
FusionSHMPoolShared *shmpool;
};
typedef enum {
CLRSF_NONE = 0x00000000,
CLRSF_CONFIGURED = 0x00000001,
CLRSF_ENABLED = 0x00000002,
CLRSF_ACTIVE = 0x00000004,
CLRSF_REALIZED = 0x00000008,
CLRSF_FROZEN = 0x00000010,
CLRSF_ALL = 0x0000001F
} CoreLayerRegionStateFlags;
struct __DFB_CoreLayerRegion {
FusionObject object;
CoreLayerContext *context;
FusionSkirmish lock;
CoreLayerRegionStateFlags state;
CoreLayerRegionConfig config;
CoreSurface *surface;
CoreSurfaceBufferLock surface_lock;
GlobalReaction surface_reaction;
void *region_data;
};
/* Called at the end of dfb_layer_region_create(). */
DFBResult dfb_layer_context_add_region( CoreLayerContext *context,
CoreLayerRegion *region );
/* Called early in the region_destructor(). */
DFBResult dfb_layer_context_remove_region( CoreLayerContext *context,
CoreLayerRegion *region );
/* Called by dfb_layer_activate_context(),
dfb_layer_remove_context() and dfb_layer_resume(). */
DFBResult dfb_layer_context_activate ( CoreLayerContext *context );
/* Called by dfb_layer_deactivate_context(),
dfb_layer_remove_context() and dfb_layer_suspend(). */
DFBResult dfb_layer_context_deactivate( CoreLayerContext *context );
/* global reactions */
ReactionResult _dfb_layer_region_surface_listener( const void *msg_data,
void *ctx );
#endif
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