diff options
Diffstat (limited to 'Source/DirectFB/gfxdrivers/cyber5k/cyber5k_underlay.c')
| -rwxr-xr-x | Source/DirectFB/gfxdrivers/cyber5k/cyber5k_underlay.c | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/Source/DirectFB/gfxdrivers/cyber5k/cyber5k_underlay.c b/Source/DirectFB/gfxdrivers/cyber5k/cyber5k_underlay.c new file mode 100755 index 0000000..588f111 --- /dev/null +++ b/Source/DirectFB/gfxdrivers/cyber5k/cyber5k_underlay.c @@ -0,0 +1,301 @@ +/* + (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 ); +} + |