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#include <directfb.h>
#include <unistd.h>
#define APP "dfbtest_stereo_window"
static DFBResult
create_window( IDirectFBDisplayLayer *layer,
int x,
int y,
IDirectFBWindow **ret_window,
IDirectFBSurface **ret_surface )
{
DFBResult ret;
IDirectFBWindow *window;
IDirectFBSurface *surface;
DFBWindowDescription window_desc;
window_desc.flags = DWDESC_WIDTH | DWDESC_HEIGHT | DWDESC_POSX | DWDESC_POSY | DWDESC_CAPS;
window_desc.width = 400;
window_desc.height = 300;
window_desc.posx = x;
window_desc.posy = y;
window_desc.caps = DWCAPS_ALPHACHANNEL | DWCAPS_LR_MONO;
ret = layer->CreateWindow( layer, &window_desc, &window );
if (ret) {
D_DERROR( ret, APP ": IDirectFBDisplayLayer::CreateWindow() failed!\n" );
return ret;
}
ret = window->GetSurface( window, &surface );
if (ret) {
D_DERROR( ret, APP ": IDirectFBWindow::GetSurface() failed!\n" );
return ret;
}
surface->Clear( surface, 0x00, 0x80, 0xa0, 0xd0 );
surface->SetColor( surface, 0x00, 0xc0, 0xff, 0xff );
surface->DrawRectangle( surface, 0, 0, 400, 300 );
surface->DrawRectangle( surface, 1, 1, 399, 299 );
surface->Flip( surface, NULL, DSFLIP_NONE );
window->SetOpacity( window, 0xff );
*ret_window = window;
*ret_surface = surface;
return DFB_OK;
}
int
main( int argc, char *argv[] )
{
DFBResult ret;
IDirectFB *dfb = NULL;
IDirectFBDisplayLayer *layer = NULL;
IDirectFBScreen *screen = NULL;
IDirectFBWindow *window1 = NULL;
IDirectFBWindow *window2 = NULL;
IDirectFBSurface *surface1 = NULL;
IDirectFBSurface *surface2 = NULL;
DFBDisplayLayerConfig layer_config;
DFBScreenEncoderConfig encoder_config;
int z = 0;
int zdir = -1;
ret = DirectFBInit( &argc, &argv );
if (ret) {
D_DERROR( ret, APP ": DirectFBInit() failed!\n" );
goto out;
}
ret = DirectFBCreate( &dfb );
if (ret) {
D_DERROR( ret, APP ": DirectFBCreate() failed!\n" );
goto out;
}
/* Setup screen. */
ret = dfb->GetDisplayLayer( dfb, DLID_PRIMARY, &layer );
if (ret) {
D_DERROR( ret, APP ": IDirectFB::GetDisplayLayer() failed!\n" );
goto out;
}
ret = layer->GetScreen( layer, &screen );
if (ret) {
D_DERROR( ret, APP ": IDirectFBDisplayLayer::GetScreen() failed!\n" );
goto out;
}
encoder_config.flags = (DFBScreenEncoderConfigFlags)(DSECONF_TV_STANDARD | DSECONF_SCANMODE | DSECONF_FREQUENCY |
DSECONF_CONNECTORS | DSECONF_RESOLUTION | DSECONF_FRAMING);
encoder_config.tv_standard = DSETV_DIGITAL;
encoder_config.out_connectors = (DFBScreenOutputConnectors)(DSOC_COMPONENT | DSOC_HDMI);
encoder_config.scanmode = DSESM_PROGRESSIVE;
encoder_config.frequency = DSEF_24HZ;
encoder_config.framing = DSEPF_STEREO_FRAME_PACKING;
encoder_config.resolution = DSOR_1920_1080;
ret = screen->SetEncoderConfiguration( screen, 0, &encoder_config );
if (ret) {
D_DERROR( ret, APP ": IDirectFBScreen::SetEncoderConfig() failed!\n" );
goto out;
}
/*
* Setup primary layer as stereo.
*/
ret = layer->SetCooperativeLevel( layer, DLSCL_ADMINISTRATIVE );
if (ret) {
D_DERROR( ret, APP ": IDirectFBDisplayLayer::SetCooperativeLevel() failed!\n" );
goto out;
}
layer_config.flags = (DFBDisplayLayerConfigFlags)(DLCONF_SURFACE_CAPS | DLCONF_OPTIONS | DLCONF_BUFFERMODE);
layer_config.options = (DFBDisplayLayerOptions)(DLOP_STEREO | DLOP_ALPHACHANNEL);
layer_config.surface_caps = (DFBSurfaceCapabilities)(DSCAPS_PREMULTIPLIED | DSCAPS_VIDEOONLY | DSCAPS_STEREO);
layer_config.buffermode = DLBM_BACKVIDEO;
ret = layer->SetConfiguration( layer, &layer_config );
if (ret) {
D_DERROR( ret, APP ": IDirectFBDisplayLayer::SetConfiguration() failed!\n" );
goto out;
}
/*
* Create first window.
*/
ret = create_window( layer, 200, 200, &window1, &surface1 );
if (ret)
goto out;
/*
* Create second window.
*/
ret = create_window( layer, 300, 300, &window2, &surface2 );
if (ret)
goto out;
while (true) {
z += zdir;
if (z == 20)
zdir = -1;
else if (z == -20)
zdir = 1;
ret = window2->SetStereoDepth( window2, z );
if (ret) {
D_DERROR( ret, APP ": IDirectFBWindow::SetStereoDepth() failed!\n" );
goto out;
}
usleep( 100000 );
}
out:
if (screen)
screen->Release( screen );
if (surface2)
surface2->Release( surface2 );
if (surface1)
surface1->Release( surface1 );
if (window2)
window2->Release( window2 );
if (window1)
window1->Release( window1 );
if (layer)
layer->Release( layer );
if (dfb)
dfb->Release( dfb );
return 0;
}
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