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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.
*/
#include <config.h>
#include <directfb.h>
#include <core/coretypes.h>
#include <core/layers.h>
#include <core/surface.h>
#include "cyber5k.h"
#include "cyber5k_alpha.h"
#include "cyber5k_overlay.h"
typedef struct {
CoreLayerRegionConfig config;
} CyberUnderlayLayerData;
static void udl_set_all ( CyberDriverData *cdrv,
CyberUnderlayLayerData *cudl,
CoreLayerRegionConfig *config,
CoreSurface *surface,
CoreSurfaceBufferLock *lock );
static void udl_set_location( CyberDriverData *cdrv,
CyberUnderlayLayerData *cudl,
CoreLayerRegionConfig *config,
CoreSurface *surface );
#define CYBER_UNDERLAY_SUPPORTED_OPTIONS (DLOP_NONE)
/**********************/
static int
udlLayerDataSize( void )
{
return sizeof(CyberUnderlayLayerData);
}
static DFBResult
udlInitLayer( CoreLayer *layer,
void *driver_data,
void *layer_data,
DFBDisplayLayerDescription *description,
DFBDisplayLayerConfig *default_config,
DFBColorAdjustment *default_adj )
{
/* set capabilities and type */
description->caps = DLCAPS_SURFACE | DLCAPS_ALPHACHANNEL |
DLCAPS_OPACITY | DLCAPS_SRC_COLORKEY |
DLCAPS_SCREEN_LOCATION;
description->type = DLTF_GRAPHICS | DLTF_VIDEO | DLTF_STILL_PICTURE |
DLTF_BACKGROUND;
/* set name */
snprintf( description->name,
DFB_DISPLAY_LAYER_DESC_NAME_LENGTH, "CyberPro Underlay" );
/* fill out the default configuration */
default_config->flags = DLCONF_WIDTH | DLCONF_HEIGHT |
DLCONF_PIXELFORMAT | DLCONF_BUFFERMODE |
DLCONF_OPTIONS;
default_config->width = 768;
default_config->height = 576;
default_config->pixelformat = DSPF_RGB16;
default_config->buffermode = DLBM_FRONTONLY;
default_config->options = DLOP_NONE;
/* initialize registers */
cyber_init_overlay();
/* workaround */
cyber_change_overlay_fifo();
cyber_cleanup_overlay();
cyber_init_overlay();
return DFB_OK;
}
static DFBResult
udlTestRegion( CoreLayer *layer,
void *driver_data,
void *layer_data,
CoreLayerRegionConfig *config,
CoreLayerRegionConfigFlags *failed )
{
CoreLayerRegionConfigFlags fail = 0;
/* check for unsupported options */
if (config->options & ~CYBER_UNDERLAY_SUPPORTED_OPTIONS)
fail |= CLRCF_OPTIONS;
/* check pixel format */
switch (config->format) {
case DSPF_RGB332:
case DSPF_ARGB1555:
case DSPF_RGB16:
case DSPF_RGB24:
case DSPF_RGB32:
case DSPF_ARGB:
case DSPF_YUY2:
break;
default:
fail |= CLRCF_FORMAT;
}
/* check width */
if (config->width > 1024 || config->width < 4)
fail |= CLRCF_WIDTH;
/* check height */
if (config->height > 1024 || config->height < 1)
fail |= CLRCF_HEIGHT;
/* write back failing fields */
if (failed)
*failed = fail;
/* return failure if any field failed */
if (fail)
return DFB_UNSUPPORTED;
return DFB_OK;
}
static DFBResult
udlSetRegion( CoreLayer *layer,
void *driver_data,
void *layer_data,
void *region_data,
CoreLayerRegionConfig *config,
CoreLayerRegionConfigFlags updated,
CoreSurface *surface,
CorePalette *palette,
CoreSurfaceBufferLock *lock )
{
CyberDriverData *cdrv = (CyberDriverData*) driver_data;
CyberUnderlayLayerData *cudl = (CyberUnderlayLayerData*) layer_data;
/* remember configuration */
cudl->config = *config;
/* set up layer */
udl_set_all( cdrv, cudl, config, surface, lock );
return DFB_OK;
}
static DFBResult
udlRemoveRegion( CoreLayer *layer,
void *driver_data,
void *layer_data,
void *region_data )
{
/* disable and clean up */
cyber_enable_overlay(0);
cyber_cleanup_alpha();
cyber_cleanup_overlay();
return DFB_OK;
}
static DFBResult
udlFlipRegion( CoreLayer *layer,
void *driver_data,
void *layer_data,
void *region_data,
CoreSurface *surface,
DFBSurfaceFlipFlags flags,
CoreSurfaceBufferLock *lock )
{
CyberDriverData *cdrv = (CyberDriverData*) driver_data;
CyberUnderlayLayerData *cudl = (CyberUnderlayLayerData*) layer_data;
dfb_surface_flip( surface, false );
udl_set_all( cdrv, cudl, &cudl->config, surface, lock );
return DFB_OK;
}
DisplayLayerFuncs cyberUnderlayFuncs = {
.LayerDataSize = udlLayerDataSize,
.InitLayer = udlInitLayer,
.TestRegion = udlTestRegion,
.SetRegion = udlSetRegion,
.RemoveRegion = udlRemoveRegion,
.FlipRegion = udlFlipRegion,
};
/* internal */
static void udl_set_all( CyberDriverData *cdrv,
CyberUnderlayLayerData *cudl,
CoreLayerRegionConfig *config,
CoreSurface *surface,
CoreSurfaceBufferLock *lock )
{
/* set the pixel format */
switch (surface->config.format) {
case DSPF_RGB332:
cyber_set_overlay_format (OVERLAY_RGB8);
break;
case DSPF_ARGB1555:
cyber_set_overlay_format (OVERLAY_RGB555);
break;
case DSPF_RGB16:
cyber_set_overlay_format (OVERLAY_RGB565);
break;
case DSPF_RGB24:
cyber_set_overlay_format (OVERLAY_RGB888);
break;
case DSPF_ARGB:
case DSPF_RGB32:
cyber_set_overlay_format (OVERLAY_RGB8888);
break;
case DSPF_YUY2:
cyber_set_overlay_format (OVERLAY_YUV422);
break;
default:
D_BUG("unexpected pixelformat");
break;
}
cyber_set_overlay_mode( OVERLAY_WINDOWKEY );
/* set address */
cyber_set_overlay_srcaddr( lock->offset, 0, 0,
surface->config.size.w, lock->pitch );
/* set location and scaling */
udl_set_location( cdrv, cudl, config, surface );
/* tune fifo */
cyber_change_overlay_fifo();
/* set up alpha blending */
cyber_enable_alpha( 1 );
cyber_enable_fullscreen_alpha( 1 );
cyber_select_blend_src1( SRC1_GRAPHICS );
cyber_select_blend_src2( SRC2_OVERLAY1 );
/* FIXME: find out why the opacity can't be set outside of this function */
cyber_set_alpha_reg( 0xcc, 0xcc, 0xcc );
/* turn it on */
cyber_enable_overlay(1);
}
static void udl_set_location( CyberDriverData *cdrv,
CyberUnderlayLayerData *cudl,
CoreLayerRegionConfig *config,
CoreSurface *surface )
{
/* set location */
cyber_set_overlay_window( config->dest.x, config->dest.y,
config->dest.x + config->dest.w - 1,
config->dest.y + config->dest.h - 1 );
/* set scaling */
cyber_set_overlay_scale( surface->config.size.h == 576 ? /* HACK: support interlaced video */
OVERLAY_BOBMODE : OVERLAY_WEAVEMODE,
surface->config.size.w, config->dest.w,
surface->config.size.h, config->dest.h );
}
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