summaryrefslogtreecommitdiff
path: root/Source/DirectFB/gfxdrivers/unichrome/uc_primary.c
diff options
context:
space:
mode:
Diffstat (limited to 'Source/DirectFB/gfxdrivers/unichrome/uc_primary.c')
-rwxr-xr-xSource/DirectFB/gfxdrivers/unichrome/uc_primary.c182
1 files changed, 182 insertions, 0 deletions
diff --git a/Source/DirectFB/gfxdrivers/unichrome/uc_primary.c b/Source/DirectFB/gfxdrivers/unichrome/uc_primary.c
new file mode 100755
index 0000000..2c32184
--- /dev/null
+++ b/Source/DirectFB/gfxdrivers/unichrome/uc_primary.c
@@ -0,0 +1,182 @@
+/*
+ (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 <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <directfb.h>
+
+#include <core/layers.h>
+
+#include <misc/conf.h>
+
+#include "unichrome.h"
+#include "uc_overlay.h"
+#include "vidregs.h"
+#include "mmio.h"
+
+/* primary layer hooks */
+
+#define OSD_OPTIONS (DLOP_ALPHACHANNEL | DLOP_SRC_COLORKEY | DLOP_OPACITY)
+
+DisplayLayerFuncs ucOldPrimaryFuncs;
+void *ucOldPrimaryDriverData;
+
+static DFBResult
+osdInitLayer( CoreLayer *layer,
+ void *driver_data,
+ void *layer_data,
+ DFBDisplayLayerDescription *description,
+ DFBDisplayLayerConfig *config,
+ DFBColorAdjustment *adjustment )
+{
+ DFBResult ret;
+
+ /* call the original initialization function first */
+ ret = ucOldPrimaryFuncs.InitLayer( layer,
+ ucOldPrimaryDriverData,
+ layer_data, description,
+ config, adjustment );
+ if (ret)
+ return ret;
+
+ /* set name */
+ snprintf(description->name,
+ DFB_DISPLAY_LAYER_DESC_NAME_LENGTH, "VIA CLE266 Graphics");
+
+ /* add some capabilities */
+ description->caps |= DLCAPS_ALPHACHANNEL |
+ DLCAPS_OPACITY | DLCAPS_SRC_COLORKEY;
+
+ return DFB_OK;
+}
+
+static DFBResult
+osdTestRegion( CoreLayer *layer,
+ void *driver_data,
+ void *layer_data,
+ CoreLayerRegionConfig *config,
+ CoreLayerRegionConfigFlags *failed )
+{
+ DFBResult ret;
+ CoreLayerRegionConfigFlags fail = 0;
+ DFBDisplayLayerOptions options = config->options;
+
+ /* remove options before calling the original function */
+ config->options = DLOP_NONE;
+
+ /* call the original function */
+ ret = ucOldPrimaryFuncs.TestRegion( layer, ucOldPrimaryDriverData,
+ layer_data, config, &fail );
+
+ /* check options if specified */
+ if (options) {
+ /* any unsupported option wanted? */
+ if (options & ~OSD_OPTIONS)
+ fail |= CLRCF_OPTIONS;
+
+ /* opacity and alpha channel cannot be used at once */
+ if ((options & (DLOP_OPACITY | DLOP_ALPHACHANNEL)) ==
+ (DLOP_OPACITY | DLOP_ALPHACHANNEL))
+ {
+ fail |= CLRCF_OPTIONS;
+ }
+
+ if ((options & DLOP_ALPHACHANNEL) && config->format != DSPF_AiRGB)
+ fail |= CLRCF_OPTIONS;
+ }
+
+ /* restore options */
+ config->options = options;
+
+ if (failed)
+ *failed = fail;
+
+ if (fail)
+ return DFB_UNSUPPORTED;
+
+ return ret;
+}
+
+static DFBResult
+osdSetRegion( CoreLayer *layer,
+ void *driver_data,
+ void *layer_data,
+ void *region_data,
+ CoreLayerRegionConfig *config,
+ CoreLayerRegionConfigFlags updated,
+ CoreSurface *surface,
+ CorePalette *palette,
+ CoreSurfaceBufferLock *lock )
+{
+ DFBResult ret;
+ UcDriverData *ucdrv = (UcDriverData*) driver_data;
+
+ /* call the original function */
+ ret = ucOldPrimaryFuncs.SetRegion( layer, ucOldPrimaryDriverData,
+ layer_data, region_data,
+ config, updated, surface,
+ palette, lock );
+ if (ret)
+ return ret;
+
+ uc_ovl_vcmd_wait(ucdrv->hwregs);
+
+ /* select pixel based or global alpha */
+
+ if (!ucdrv->ovl) // overlay not present
+ return DFB_OK;
+
+ if (config->options & DLOP_ALPHACHANNEL)
+ ucdrv->ovl->opacity_primary = -1; // use primary alpha for overlay
+ else if (config->options & DLOP_OPACITY)
+ ucdrv->ovl->opacity_primary = config->opacity ^ 0xff; // use inverse for overlay
+ else
+ ucdrv->ovl->opacity_primary = 0x00; // primary opaque == overlay transparent
+
+ if (ucdrv->ovl->v1.level < 0) // primary on top?
+ {
+ VIDEO_OUT(ucdrv->hwregs, V_ALPHA_CONTROL,
+ uc_ovl_map_alpha(ucdrv->ovl->opacity_primary));
+ VIDEO_OUT(ucdrv->hwregs, V_COMPOSE_MODE,
+ VIDEO_IN(ucdrv->hwregs, V_COMPOSE_MODE) | V1_COMMAND_FIRE);
+ }
+
+ return DFB_OK;
+}
+
+DisplayLayerFuncs ucPrimaryFuncs = {
+ .InitLayer = osdInitLayer,
+
+ .TestRegion = osdTestRegion,
+ .SetRegion = osdSetRegion,
+};
+