示例#1
0
static void
surface_client_destructor( FusionObject *object, bool zombie, void *ctx )
{
     CoreSurfaceClient *client = (CoreSurfaceClient*) object;
     CoreSurface       *surface;
     int                index;

     D_MAGIC_ASSERT( client, CoreSurfaceClient );

     surface = client->surface;
     CORE_SURFACE_ASSERT( surface );

     D_DEBUG_AT( Core_SurfClient, "destroying %p (%dx%d%s)\n", client,
                 surface->config.size.w, surface->config.size.h, zombie ? " ZOMBIE" : "");

     CoreSurfaceClient_Deinit_Dispatch( &client->call );

     dfb_surface_lock( surface );

     index = fusion_vector_index_of( &surface->clients, client );
     D_ASSERT( index >= 0 );

     fusion_vector_remove( &surface->clients, index );

     dfb_surface_check_acks( surface );

     dfb_surface_unlock( surface );

     dfb_surface_unlink( &client->surface );

     D_MAGIC_CLEAR( client );

     fusion_object_destroy( object );
}
示例#2
0
static DFBResult
region_buffer_lock( CoreLayerRegion       *region,
                    CoreSurface           *surface,
                    CoreSurfaceBufferRole  role )
{
     DFBResult              ret;
     CoreSurfaceBuffer     *buffer;
     CoreSurfaceAllocation *allocation;
     CoreLayerContext      *context;

     D_ASSERT( region != NULL );
     D_MAGIC_ASSERT( surface, CoreSurface );

     context = region->context;
     D_MAGIC_ASSERT( context, CoreLayerContext );

     /* First unlock any previously locked buffer. */
     if (region->surface_lock.buffer) {
          D_MAGIC_ASSERT( region->surface_lock.buffer, CoreSurfaceBuffer );

          dfb_surface_unlock_buffer( region->surface_lock.buffer->surface, &region->surface_lock );
     }

     if (dfb_surface_lock( surface ))
          return DFB_FUSION;

     buffer = dfb_surface_get_buffer( surface, role );
     D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer );

     /* Lock the surface buffer. */
     ret = dfb_surface_buffer_lock( buffer, CSAID_LAYER0 + context->layer_id, CSAF_READ, &region->surface_lock );
     if (ret) {
          D_DERROR( ret, "Core/LayerRegion: Could not lock region surface for SetRegion()!\n" );
          dfb_surface_unlock( surface );
          return ret;
     }

     allocation = region->surface_lock.allocation;
     D_ASSERT( allocation != NULL );

     /* If hardware has written or is writing... */
     if (allocation->accessed[CSAID_GPU] & CSAF_WRITE) {
          D_DEBUG_AT( Core_Layers, "  -> Waiting for pending writes...\n" );

          /* ...wait for the operation to finish. */
          dfb_gfxcard_sync(); /* TODO: wait for serial instead */

          allocation->accessed[CSAID_GPU] &= ~CSAF_WRITE;
     }

     /* surface is unlocked by caller */

     return DFB_OK;
}
示例#3
0
static void
surface_destructor( FusionObject *object, bool zombie, void *ctx )
{
     int          i;
     CoreSurface *surface = (CoreSurface*) object;

     D_MAGIC_ASSERT( surface, CoreSurface );

     D_DEBUG_AT( Core_Surface, "destroying %p (%dx%d%s)\n", surface,
                 surface->config.size.w, surface->config.size.h, zombie ? " ZOMBIE" : "");

     Core_Resource_RemoveSurface( surface );

     CoreSurface_Deinit_Dispatch( &surface->call );

     dfb_surface_lock( surface );

     surface->state |= CSSF_DESTROYED;

     /* announce surface destruction */
     dfb_surface_notify( surface, CSNF_DESTROY );

     /* unlink palette */
     if (surface->palette) {
          dfb_palette_detach_global( surface->palette, &surface->palette_reaction );
          dfb_palette_unlink( &surface->palette );
     }

     /* destroy buffers */
     for (i=0; i<MAX_SURFACE_BUFFERS; i++) {
          if (surface->buffers[i])
               dfb_surface_buffer_decouple( surface->buffers[i] );
     }

     dfb_system_surface_data_destroy( surface, surface->data );

     /* release the system driver specific surface data */
     if (surface->data) {
          SHFREE( surface->shmpool, surface->data );
          surface->data = NULL;
     }

     direct_serial_deinit( &surface->serial );

     dfb_surface_unlock( surface );

     fusion_skirmish_destroy( &surface->lock );

     D_MAGIC_CLEAR( surface );

     fusion_object_destroy( object );
}
示例#4
0
static DFBResult
region_buffer_lock( CoreLayerRegion       *region,
                    CoreSurface           *surface,
                    CoreSurfaceBufferRole  role )
{
     DFBResult               ret;
     CoreSurfaceAccessFlags  flags;
     CoreSurfaceBuffer      *buffer;
     CoreSurfaceAllocation  *allocation;

     /* First unlock any previously locked buffer. */
     if (region->surface_lock.buffer) {
          D_MAGIC_ASSERT( region->surface_lock.buffer, CoreSurfaceBuffer );

          dfb_surface_unlock_buffer( region->surface_lock.buffer->surface, &region->surface_lock );
     }

     /* Determine flags to use. */
     if (surface->config.caps & DSCAPS_SYSTEMONLY)
          flags = CSAF_CPU_READ;
     else
          flags = CSAF_GPU_READ;
         
     if (dfb_surface_lock( surface ))
          return DFB_FUSION;

     buffer = dfb_surface_get_buffer( surface, role );
     D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer );

     /* Lock the surface buffer. */
     ret = dfb_surface_buffer_lock( buffer, flags, &region->surface_lock );
     if (ret) {
          D_DERROR( ret, "Core/LayerRegion: Could not lock region surface for SetRegion()!\n" );
          dfb_surface_unlock( surface );
          return ret;
     }

     allocation = region->surface_lock.allocation;
     D_ASSERT( allocation != NULL );

     /* If hardware has written or is writing... */
     if (allocation->accessed & CSAF_GPU_WRITE) {
          D_DEBUG_AT( Core_Layers, "  -> Waiting for pending writes...\n" );

          /* ...wait for the operation to finish. */
          dfb_gfxcard_sync(); /* TODO: wait for serial instead */

          allocation->accessed &= ~CSAF_GPU_WRITE;
     }

     return DFB_OK;
}
DFBResult
ISurface_Real__Flip(
                   CoreSurface                               *obj,
                   bool                                       swap
                   )
{
     DFBResult ret;

     D_DEBUG_AT( DirectFB_CoreSurface, "%s()\n", __FUNCTION__ );

     dfb_surface_lock( obj );

     ret = dfb_surface_flip( obj, swap );

     dfb_surface_unlock( obj );

     return ret;
}
示例#6
0
DFBResult
dfb_surface_client_create( CoreDFB            *core,
                           CoreSurface        *surface,
                           CoreSurfaceClient **ret_client )
{
     DFBResult          ret;
     CoreSurfaceClient *client;

     CORE_SURFACE_ASSERT( surface );
     D_ASSERT( ret_client != NULL );

     D_DEBUG_AT( Core_SurfClient, "%s( %p %dx%d %s )\n", __FUNCTION__, surface, surface->config.size.w,
                 surface->config.size.h, dfb_pixelformat_name( surface->config.format ) );

     client = dfb_core_create_surface_client( core );
     if (!client)
          return DFB_FUSION;

     ret = dfb_surface_link( &client->surface, surface );
     if (ret) {
          fusion_object_destroy( &client->object );
          return ret;
     }

     D_MAGIC_SET( client, CoreSurfaceClient );

     *ret_client = client;


     CoreSurfaceClient_Init_Dispatch( core, client, &client->call );


     dfb_surface_lock( surface );

     client->flip_count = surface->flips;

     fusion_vector_add( &surface->clients, client );

     dfb_surface_unlock( surface );

     fusion_object_activate( &client->object );

     return DFB_OK;
}
示例#7
0
文件: surface.c 项目: ysei/uclinux-2
static void
surface_destructor( FusionObject *object, bool zombie, void *ctx )
{
     int          i;
     CoreSurface *surface = (CoreSurface*) object;

     D_MAGIC_ASSERT( surface, CoreSurface );

     D_DEBUG_AT( Core_Surface, "destroying %p (%dx%d%s)\n", surface,
                 surface->config.size.w, surface->config.size.h, zombie ? " ZOMBIE" : "");

     dfb_surface_lock( surface );

     surface->state |= CSSF_DESTROYED;

     /* announce surface destruction */
     dfb_surface_notify( surface, CSNF_DESTROY );

     /* unlink palette */
     if (surface->palette) {
          dfb_palette_detach_global( surface->palette, &surface->palette_reaction );
          dfb_palette_unlink( &surface->palette );
     }

     /* destroy buffers */
     for (i=0; i<MAX_SURFACE_BUFFERS; i++) {
          if (surface->buffers[i])
               dfb_surface_buffer_destroy( surface->buffers[i] );
     }

     direct_serial_deinit( &surface->serial );

     dfb_surface_unlock( surface );

     fusion_skirmish_destroy( &surface->lock );

     D_MAGIC_CLEAR( surface );

     fusion_object_destroy( object );
}
示例#8
0
DFBResult
dfb_surface_create( CoreDFB                  *core,
                    const CoreSurfaceConfig  *config,
                    CoreSurfaceTypeFlags      type,
                    unsigned long             resource_id,
                    CorePalette              *palette,
                    CoreSurface             **ret_surface )
{
     DFBResult    ret = DFB_BUG;
     int          i, data_size;
     int          buffers;
     CoreSurface *surface;
     char         buf[64];

     D_ASSERT( core != NULL );
     D_FLAGS_ASSERT( type, CSTF_ALL );
     D_MAGIC_ASSERT_IF( palette, CorePalette );
     D_ASSERT( ret_surface != NULL );

     D_DEBUG_AT( Core_Surface, "dfb_surface_create( %p, %p, %p )\n", core, config, ret_surface );

     surface = dfb_core_create_surface( core );
     if (!surface)
          return DFB_FUSION;

     surface->data = NULL;

     if (config) {
          D_FLAGS_ASSERT( config->flags, CSCONF_ALL );

          surface->config.flags = config->flags;

          if (config->flags & CSCONF_SIZE) {
               D_DEBUG_AT( Core_Surface, "  -> %dx%d\n", config->size.w, config->size.h );

               surface->config.size = config->size;
          }

          if (config->flags & CSCONF_FORMAT) {
               D_DEBUG_AT( Core_Surface, "  -> %s\n", dfb_pixelformat_name( config->format ) );

               surface->config.format = config->format;
          }

          if (config->flags & CSCONF_CAPS) {
               D_DEBUG_AT( Core_Surface, "  -> caps 0x%08x\n", config->caps );

               if (config->caps & DSCAPS_ROTATED)
                    D_UNIMPLEMENTED();

               surface->config.caps = config->caps & ~DSCAPS_ROTATED;
          }

          if (config->flags & CSCONF_PREALLOCATED) {
               D_DEBUG_AT( Core_Surface, "  -> prealloc %p [%d]\n",
                           config->preallocated[0].addr,
                           config->preallocated[0].pitch );

               direct_memcpy( surface->config.preallocated, config->preallocated, sizeof(config->preallocated) );

               surface->config.preallocated_pool_id = config->preallocated_pool_id;

               type |= CSTF_PREALLOCATED;
          }
     }

     if (surface->config.caps & DSCAPS_SYSTEMONLY)
          surface->type = (type & ~CSTF_EXTERNAL) | CSTF_INTERNAL;
     else if (surface->config.caps & DSCAPS_VIDEOONLY)
          surface->type = (type & ~CSTF_INTERNAL) | CSTF_EXTERNAL;
     else
          surface->type = type & ~(CSTF_INTERNAL | CSTF_EXTERNAL);

     if (surface->config.caps & DSCAPS_SHARED)
          surface->type |= CSTF_SHARED;

     surface->resource_id = resource_id;

     if (surface->config.caps & DSCAPS_TRIPLE)
          buffers = 3;
     else if (surface->config.caps & DSCAPS_DOUBLE)
          buffers = 2;
     else {
          buffers = 1;

          surface->config.caps &= ~DSCAPS_ROTATED;
     }

     surface->notifications = CSNF_ALL & ~CSNF_FLIP;

     surface->alpha_ramp[0] = 0x00;
     surface->alpha_ramp[1] = 0x55;
     surface->alpha_ramp[2] = 0xaa;
     surface->alpha_ramp[3] = 0xff;


     if (surface->config.caps & DSCAPS_STATIC_ALLOC)
          surface->config.min_size = surface->config.size;

     surface->shmpool = dfb_core_shmpool( core );

     direct_serial_init( &surface->serial );

     snprintf( buf, sizeof(buf), "Surface %dx%d %s", surface->config.size.w,
               surface->config.size.h, dfb_pixelformat_name(surface->config.format) );

     fusion_ref_set_name( &surface->object.ref, buf );

     fusion_skirmish_init2( &surface->lock, buf, dfb_core_world(core), fusion_config->secure_fusion );

//     fusion_skirmish_add_permissions( &surface->lock, 0, FUSION_SKIRMISH_PERMIT_PREVAIL | FUSION_SKIRMISH_PERMIT_DISMISS );

     D_MAGIC_SET( surface, CoreSurface );


     if (dfb_config->warn.flags & DCWF_CREATE_SURFACE &&
         dfb_config->warn.create_surface.min_size.w <= surface->config.size.w &&
         dfb_config->warn.create_surface.min_size.h <= surface->config.size.h)
          D_WARN( "create-surface  %4dx%4d %6s, buffers %d, caps 0x%08x, type 0x%08x",
                  surface->config.size.w, surface->config.size.h, dfb_pixelformat_name(surface->config.format),
                  buffers, surface->config.caps, surface->type );


     if (palette) {
          dfb_surface_set_palette( surface, palette );
     }
     else if (DFB_PIXELFORMAT_IS_INDEXED( surface->config.format )) {
          ret = dfb_surface_init_palette( core, surface );
          if (ret)
               goto error;
     }

     /* Create the system driver specific surface data information */
     data_size = dfb_system_surface_data_size();

     if (data_size) {
          surface->data = SHCALLOC( surface->shmpool, 1, data_size );
          if (!surface->data) {
              ret = D_OOSHM();
              goto error;
          }
     }

     dfb_system_surface_data_init(surface,surface->data);

     dfb_surface_lock( surface );

     /* Create the Surface Buffers. */
     for (i=0; i<buffers; i++) {
          ret = dfb_surface_buffer_create( core, surface, CSBF_NONE, &surface->buffers[i] );
          if (ret) {
               D_DERROR( ret, "Core/Surface: Error creating surface buffer!\n" );
               goto error;
          }

          surface->num_buffers++;

          dfb_surface_buffer_globalize( surface->buffers[i] );

          switch (i) {
               case 0:
                    surface->buffer_indices[CSBR_FRONT] = i;
               case 1:
                    surface->buffer_indices[CSBR_BACK] = i;
               case 2:
                    surface->buffer_indices[CSBR_IDLE] = i;
          }
     }

     dfb_surface_unlock( surface );


     CoreSurface_Init_Dispatch( core, surface, &surface->call );

     fusion_object_activate( &surface->object );

     *ret_surface = surface;

     return DFB_OK;

error:
     for (i=0; i<MAX_SURFACE_BUFFERS; i++) {
          if (surface->buffers[i])
               dfb_surface_buffer_decouple( surface->buffers[i] );
     }

     /* release the system driver specific surface data */
     if (surface->data) {
         dfb_system_surface_data_destroy( surface, surface->data );
         SHFREE( surface->shmpool, surface->data );
         surface->data = NULL;
     }

     fusion_skirmish_destroy( &surface->lock );

     direct_serial_deinit( &surface->serial );

     D_MAGIC_CLEAR( surface );

     fusion_object_destroy( &surface->object );

     return ret;
}
示例#9
0
static void
handle_expose_Async( void *ctx,
                     void *ctx2 )
{
     DFBX11                  *x11    = ctx;
     DFBX11Shared            *shared = x11->shared;
     const XExposeEvent      *expose = ctx2;
     CoreLayer               *layer;
     CoreLayerContext        *context;
     int                      i;
     X11LayerData            *lds;

     D_DEBUG_AT( X11_Input, "%s( %d,%d-%dx%d )\n", __FUNCTION__, expose->x, expose->y, expose->width, expose->height );

     //D_INFO_LINE_MSG("handle_expose %d,%d-%dx%d", expose->x, expose->y, expose->width, expose->height);

     /* find the correct layer */
     for (i=0; i<shared->outputs; i++) {
          if (shared->output[i].xw && (shared->output[i].xw->window == expose->window))
               break;
     }

     /* layer not found? */
     if (i == shared->outputs)
          return;

     lds = shared->output[i].layers[0];

     layer = dfb_layer_at( lds->layer_id );
     D_ASSERT( layer != NULL );

     /* Get the currently active context. */
     if (dfb_layer_get_active_context( layer, &context ) == DFB_OK) {
          CoreLayerRegion *region;

          /* Get the first region. */
          if (dfb_layer_context_get_primary_region( context, false, &region ) == DFB_OK) {
               /* Lock the region. */
               dfb_layer_region_lock( region );

               /* Get the surface of the region. */
               if (region->surface && D_FLAGS_ARE_SET( region->state, CLRSF_REALIZED )) {
                    if (dfb_config->task_manager) {
                         DFBRegion update = { expose->x, expose->y,
                                              expose->x + expose->width  - 1,
                                              expose->y + expose->height - 1 };

                         /* Tell the driver about the update if the region is realized. */
                         D_DEBUG_AT( X11_Input, "  -> Issuing display task...\n" );

                         dfb_surface_lock( region->surface );

                         DisplayTask_Generate( region, &update, &update, DSFLIP_NONE, -1, NULL );

                         dfb_surface_unlock( region->surface );
                    }
                    else {
                         //if (lds->lock_left.buffer) {
                              DFBRegion update = { expose->x, expose->y,
                                                   expose->x + expose->width  - 1,
                                                   expose->y + expose->height - 1 };

                         //     dfb_x11_update_screen( x11, lds, &update, &update, &lds->lock_left, &lds->lock_right );
                         //}
                         dfb_x11_update_screen( x11, lds, &update, &update, NULL, NULL );
                    }
               }

               /* Unlock the region. */
               dfb_layer_region_unlock( region );

               /* Release the region. */
               dfb_layer_region_unref( region );
          }

          /* Release the context. */
          dfb_layer_context_unref( context );
     }
}
示例#10
0
static DFBResult
set_region( CoreLayerRegion            *region,
            CoreLayerRegionConfig      *config,
            CoreLayerRegionConfigFlags  flags,
            CoreSurface                *surface )
{
     DFBResult                ret;
     CoreLayer               *layer;
     CoreLayerShared         *shared;
     const DisplayLayerFuncs *funcs;

     D_DEBUG_AT( Core_Layers, "%s( %p, %p, 0x%08x, %p )\n", __FUNCTION__, region, config, flags, surface );

     DFB_CORE_LAYER_REGION_CONFIG_DEBUG_AT( Core_Layers, config );

     D_DEBUG_AT( Core_Layers, "  -> state    0x%08x\n", region->state );

     D_ASSERT( region != NULL );
     D_ASSERT( region->context != NULL );
     D_ASSERT( config != NULL );
     D_ASSERT( config->buffermode != DLBM_WINDOWS );

     D_ASSERT( D_FLAGS_IS_SET( region->state, CLRSF_REALIZED ) );

     layer = dfb_layer_at( region->context->layer_id );

     D_ASSERT( layer != NULL );
     D_ASSERT( layer->shared != NULL );
     D_ASSERT( layer->funcs != NULL );
     D_ASSERT( layer->funcs->SetRegion != NULL );

     if (region->state & CLRSF_FROZEN) {
          D_DEBUG_AT( Core_Layers, "  -> FROZEN!\n" );
          return DFB_OK;
     }

     shared = layer->shared;
     funcs  = layer->funcs;

     if (surface) {
          if (flags & (CLRCF_SURFACE | CLRCF_WIDTH | CLRCF_HEIGHT | CLRCF_FORMAT)) {
               ret = region_buffer_lock( region, surface, CSBR_FRONT );
               if (ret)
                    return ret;

               dfb_surface_unlock( surface );
          }

          D_ASSERT( region->surface_lock.buffer != NULL );
     }
     else if (region->surface_lock.buffer) {
          D_MAGIC_ASSERT( region->surface_lock.buffer, CoreSurfaceBuffer );

          dfb_surface_unlock_buffer( region->surface_lock.buffer->surface, &region->surface_lock );
     }

     D_DEBUG_AT( Core_Layers, "  => setting region of '%s'\n", shared->description.name );

     /* Setup hardware. */
     return funcs->SetRegion( layer, layer->driver_data, layer->layer_data,
                              region->region_data, config, flags,
                              surface, surface ? surface->palette : NULL, &region->surface_lock );
}
示例#11
0
DFBResult
dfb_layer_region_flip_update( CoreLayerRegion     *region,
                              const DFBRegion     *update,
                              DFBSurfaceFlipFlags  flags )
{
     DFBResult                ret = DFB_OK;
     DFBRegion                rotated;
     CoreLayer               *layer;
     CoreLayerContext        *context;
     CoreSurface             *surface;
     const DisplayLayerFuncs *funcs;

     if (update)
          D_DEBUG_AT( Core_Layers,
                      "dfb_layer_region_flip_update( %p, %p, 0x%08x ) <- [%d, %d - %dx%d]\n",
                      region, update, flags, DFB_RECTANGLE_VALS_FROM_REGION( update ) );
     else
          D_DEBUG_AT( Core_Layers,
                      "dfb_layer_region_flip_update( %p, %p, 0x%08x )\n", region, update, flags );


     D_ASSERT( region != NULL );
     D_ASSERT( region->context != NULL );

     /* Lock the region. */
     if (dfb_layer_region_lock( region ))
          return DFB_FUSION;

     D_ASSUME( region->surface != NULL );

     /* Check for NULL surface. */
     if (!region->surface) {
          D_DEBUG_AT( Core_Layers, "  -> No surface => no update!\n" );
          dfb_layer_region_unlock( region );
          return DFB_UNSUPPORTED;
     }

     context = region->context;
     surface = region->surface;
     layer   = dfb_layer_at( context->layer_id );

     D_ASSERT( layer->funcs != NULL );

     funcs = layer->funcs;

     /* Unfreeze region? */
     if (D_FLAGS_IS_SET( region->state, CLRSF_FROZEN )) {
          D_FLAGS_CLEAR( region->state, CLRSF_FROZEN );

          if (D_FLAGS_IS_SET( region->state, CLRSF_REALIZED )) {
               ret = set_region( region, &region->config, CLRCF_ALL, surface );
               if (ret)
                    D_DERROR( ret, "Core/LayerRegion: set_region() in dfb_layer_region_flip_update() failed!\n" );
          }
          else if (D_FLAGS_ARE_SET( region->state, CLRSF_ENABLED | CLRSF_ACTIVE )) {
               ret = realize_region( region );
               if (ret)
                    D_DERROR( ret, "Core/LayerRegion: realize_region() in dfb_layer_region_flip_update() failed!\n" );
          }

          if (ret) {
               dfb_layer_region_unlock( region );
               return ret;
          }
     }

     /* Depending on the buffer mode... */
     switch (region->config.buffermode) {
          case DLBM_TRIPLE:
          case DLBM_BACKVIDEO:
               /* Check if simply swapping the buffers is possible... */
               if (!(flags & DSFLIP_BLIT) && !surface->rotation &&
                   (!update || (update->x1 == 0 &&
                                update->y1 == 0 &&
                                update->x2 == surface->config.size.w - 1 &&
                                update->y2 == surface->config.size.h - 1)))
               {
                    D_DEBUG_AT( Core_Layers, "  -> Going to swap buffers...\n" );

                    /* Use the driver's routine if the region is realized. */
                    if (D_FLAGS_IS_SET( region->state, CLRSF_REALIZED )) {
                         D_ASSUME( funcs->FlipRegion != NULL );

                         ret = region_buffer_lock( region, surface, CSBR_BACK );
                         if (ret) {
                              dfb_layer_region_unlock( region );
                              return ret;
                         }

                         D_DEBUG_AT( Core_Layers, "  -> Flipping region using driver...\n" );

                         if (funcs->FlipRegion)
                              ret = funcs->FlipRegion( layer,
                                                       layer->driver_data,
                                                       layer->layer_data,
                                                       region->region_data,
                                                       surface, flags, &region->surface_lock );

                         dfb_surface_unlock( surface );
                    }
                    else {
                         D_DEBUG_AT( Core_Layers, "  -> Flipping region not using driver...\n" );

                         /* Just do the hardware independent work. */
                         dfb_surface_lock( surface );
                         dfb_surface_flip( surface, false );
                         dfb_surface_unlock( surface );
                    }
                    break;
               }

               /* fall through */

          case DLBM_BACKSYSTEM:
               D_DEBUG_AT( Core_Layers, "  -> Going to copy portion...\n" );

               if ((flags & DSFLIP_WAITFORSYNC) == DSFLIP_WAITFORSYNC) {
                    D_DEBUG_AT( Core_Layers, "  -> Waiting for VSync...\n" );

                    dfb_layer_wait_vsync( layer );
               }

               D_DEBUG_AT( Core_Layers, "  -> Copying content from back to front buffer...\n" );

               /* ...or copy updated contents from back to front buffer. */
               dfb_back_to_front_copy_rotation( surface, update, surface->rotation );

               if ((flags & DSFLIP_WAITFORSYNC) == DSFLIP_WAIT) {
                    D_DEBUG_AT( Core_Layers, "  -> Waiting for VSync...\n" );

                    dfb_layer_wait_vsync( layer );
               }

               /* fall through */

          case DLBM_FRONTONLY:
               /* Tell the driver about the update if the region is realized. */
               if (funcs->UpdateRegion && D_FLAGS_IS_SET( region->state, CLRSF_REALIZED )) {
                    if (surface) {
                         CoreSurfaceAllocation *allocation;

                         allocation = region->surface_lock.allocation;
                         D_ASSERT( allocation != NULL );

                         /* If hardware has written or is writing... */
                         if (allocation->accessed[CSAID_GPU] & CSAF_WRITE) {
                              D_DEBUG_AT( Core_Layers, "  -> Waiting for pending writes...\n" );

                              /* ...wait for the operation to finish. */
                              if (!(flags & DSFLIP_PIPELINE))
                                   dfb_gfxcard_sync(); /* TODO: wait for serial instead */

                              allocation->accessed[CSAID_GPU] &= ~CSAF_WRITE;
                         }

                         dfb_surface_lock( surface );
                         dfb_surface_allocation_update( allocation, CSAF_READ );
                         dfb_surface_unlock( surface );
                    }

                    D_DEBUG_AT( Core_Layers, "  -> Notifying driver about updated content...\n" );

                    dfb_region_from_rotated( &rotated, update, &surface->config.size, surface->rotation );

                    ret = funcs->UpdateRegion( layer,
                                               layer->driver_data,
                                               layer->layer_data,
                                               region->region_data,
                                               surface, &rotated, &region->surface_lock );
               }
               break;

          default:
               D_BUG("unknown buffer mode");
               ret = DFB_BUG;
     }

     D_DEBUG_AT( Core_Layers, "  -> done.\n" );

     /* Unlock the region. */
     dfb_layer_region_unlock( region );

     return ret;
}
示例#12
0
static DFBResult
set_region( CoreLayerRegion            *region,
            CoreLayerRegionConfig      *config,
            CoreLayerRegionConfigFlags  flags,
            CoreSurface                *surface )
{
     DFBResult                ret = DFB_OK;
     CoreLayer               *layer;
     const DisplayLayerFuncs *funcs;

     D_ASSERT( region != NULL );
     D_ASSERT( region->context != NULL );
     D_ASSERT( config != NULL );
     D_ASSERT( config->buffermode != DLBM_WINDOWS );

     D_ASSERT( D_FLAGS_IS_SET( region->state, CLRSF_REALIZED ) );

     layer = dfb_layer_at( region->context->layer_id );

     D_ASSERT( layer != NULL );
     D_ASSERT( layer->funcs != NULL );
     D_ASSERT( layer->funcs->SetRegion != NULL );

     if (region->state & CLRSF_FROZEN)
          return DFB_OK;

     funcs = layer->funcs;

     if (surface) {
          if (flags & (CLRCF_SURFACE | CLRCF_WIDTH | CLRCF_HEIGHT | CLRCF_FORMAT)) {
               if (region->surface_lock.buffer) {
                    CoreSurfaceBuffer *buffer = region->surface_lock.buffer;

                    D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer );

                    if (surface == buffer->surface) {
                         if (dfb_surface_lock( surface ))
                             return DFB_FUSION;
						
                         dfb_surface_buffer_unlock( &region->surface_lock );

                         buffer = dfb_surface_get_buffer( surface, CSBR_FRONT );
                         D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer );

                         ret = dfb_surface_buffer_lock( buffer, CSAF_CPU_READ | CSAF_GPU_READ,
                                                        &region->surface_lock );

                         dfb_surface_unlock( surface );
                    }
                    else {
                         dfb_surface_unlock_buffer( buffer->surface, &region->surface_lock );

                         ret = dfb_surface_lock_buffer( surface, CSBR_FRONT, CSAF_CPU_READ | CSAF_GPU_READ,
                                                        &region->surface_lock );
                    }

               }
               else
                    ret = dfb_surface_lock_buffer( surface, CSBR_FRONT, CSAF_CPU_READ | CSAF_GPU_READ,
                                                   &region->surface_lock );
          }

          if (ret) {
               D_DERROR( ret, "Core/LayerRegion: Could not lock region surface for SetRegion()!\n" );
               
               return ret;
          }

          D_ASSERT( region->surface_lock.buffer != NULL );
     }
     else if (region->surface_lock.buffer) {
          D_MAGIC_ASSERT( region->surface_lock.buffer, CoreSurfaceBuffer );

          dfb_surface_unlock_buffer( region->surface_lock.buffer->surface, &region->surface_lock );
     }
		
     /* Setup hardware. */
     return funcs->SetRegion( layer, layer->driver_data, layer->layer_data,
                              region->region_data, config, flags,
                              surface, surface ? surface->palette : NULL, &region->surface_lock );
}
DFBResult
ISurface_Real__PreWriteBuffer(
                         CoreSurface                               *obj,
                         CoreSurfaceBuffer                         *buffer,
                         const DFBRectangle                        *rect,
                         CoreSurfaceAllocation                    **ret_allocation
                         )
{
     DFBResult              ret;
     CoreSurfaceAllocation *allocation;
     CoreSurface           *surface    = obj;
     bool                   allocated  = false;

     D_DEBUG_AT( DirectFB_CoreSurface, "%s()\n", __FUNCTION__ );

     D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer );

     dfb_surface_lock( surface );

     if (!buffer->surface) {
          dfb_surface_unlock( surface );
          return DFB_BUFFEREMPTY;
     }

     /* Use last read allocation if it's up to date... */
     if (buffer->read && direct_serial_check( &buffer->read->serial, &buffer->serial ))
          allocation = buffer->read;
     else {
          /* ...otherwise look for allocation with CPU access. */
          allocation = dfb_surface_buffer_find_allocation( buffer, CSAID_CPU, CSAF_WRITE, false );
          if (!allocation) {
               /* If no allocation exists, create one. */
               ret = dfb_surface_pools_allocate( buffer, CSAID_CPU, CSAF_WRITE, &allocation );
               if (ret) {
                    D_DERROR( ret, "Core/SurfBuffer: Buffer allocation failed!\n" );
                    goto out;
               }

               allocated = true;
          }
     }

     CORE_SURFACE_ALLOCATION_ASSERT( allocation );

     /* Synchronize with other allocations. */
     ret = dfb_surface_allocation_update( allocation, CSAF_WRITE );
     if (ret) {
          /* Destroy if newly created. */
          if (allocated)
               dfb_surface_allocation_decouple( allocation );
          goto out;
     }

     if (!(allocation->pool->desc.caps & CSPCAPS_WRITE)) {
          ret = dfb_surface_pool_prelock( allocation->pool, allocation, CSAID_CPU, CSAF_WRITE );
          if (ret) {
               /* Destroy if newly created. */
               if (allocated)
                    dfb_surface_allocation_decouple( allocation );
               goto out;
          }

          manage_interlocks( allocation, CSAID_CPU, CSAF_WRITE );
     }

     dfb_surface_allocation_ref( allocation );

     *ret_allocation = allocation;

out:
     dfb_surface_unlock( surface );

     return ret;
}
DFBResult
ISurface_Real__PreLockBuffer2(
                         CoreSurface                               *obj,
                         CoreSurfaceBufferRole                      role,
                         CoreSurfaceAccessorID                      accessor,
                         CoreSurfaceAccessFlags                     access,
                         bool                                       lock,
                         CoreSurfaceAllocation                    **ret_allocation
                         )
{
     DFBResult              ret;
     CoreSurfaceBuffer     *buffer;
     CoreSurfaceAllocation *allocation;
     CoreSurface           *surface    = obj;
     bool                   allocated  = false;

     D_DEBUG_AT( DirectFB_CoreSurface, "%s( surface %p, role %d, accessor 0x%02x, access 0x%02x, %slock )\n",
                 __FUNCTION__, surface, role, accessor, access, lock ? "" : "no " );

     ret = (DFBResult) dfb_surface_lock( surface );
     if (ret)
          return ret;

     if (surface->num_buffers < 1) {
          dfb_surface_unlock( surface );
          return DFB_BUFFEREMPTY;
     }

     buffer = dfb_surface_get_buffer( surface, role );
     D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer );

     D_DEBUG_AT( DirectFB_CoreSurface, "  -> buffer %p\n", buffer );

     if (!lock && access & CSAF_READ) {
          if (fusion_vector_is_empty( &buffer->allocs )) {
               dfb_surface_unlock( surface );
               return DFB_NOALLOCATION;
          }
     }

     /* Look for allocation with proper access. */
     allocation = dfb_surface_buffer_find_allocation( buffer, accessor, access, lock );
     if (!allocation) {
          /* If no allocation exists, create one. */
          ret = dfb_surface_pools_allocate( buffer, accessor, access, &allocation );
          if (ret) {
               if (ret != DFB_NOVIDEOMEMORY && ret != DFB_UNSUPPORTED)
                    D_DERROR( ret, "Core/SurfBuffer: Buffer allocation failed!\n" );

               goto out;
          }

          allocated = true;
     }

     CORE_SURFACE_ALLOCATION_ASSERT( allocation );

     /* Synchronize with other allocations. */
     ret = dfb_surface_allocation_update( allocation, access );
     if (ret) {
          /* Destroy if newly created. */
          if (allocated)
               dfb_surface_allocation_decouple( allocation );
          goto out;
     }

     if (!lock) {
          if (access & CSAF_WRITE) {
               if (!(allocation->pool->desc.caps & CSPCAPS_WRITE))
                    lock = true;
          }
          else if (access & CSAF_READ) {
               if (!(allocation->pool->desc.caps & CSPCAPS_READ))
                    lock = true;
          }
     }

     if (lock) {
          ret = dfb_surface_pool_prelock( allocation->pool, allocation, accessor, access );
          if (ret) {
               /* Destroy if newly created. */
               if (allocated)
                    dfb_surface_allocation_decouple( allocation );
               goto out;
          }

          manage_interlocks( allocation, accessor, access );
     }

     dfb_surface_allocation_ref( allocation );

     *ret_allocation = allocation;

out:
     dfb_surface_unlock( surface );

     return ret;
}
DFBResult
ISurface_Real__PreLockBuffer(
                         CoreSurface                               *obj,
                         CoreSurfaceBuffer                         *buffer,
                         CoreSurfaceAccessorID                      accessor,
                         CoreSurfaceAccessFlags                     access,
                         CoreSurfaceAllocation                    **ret_allocation
                         )
{
     DFBResult              ret;
     CoreSurfaceAllocation *allocation;
     CoreSurface           *surface    = obj;
     bool                   allocated  = false;

     D_DEBUG_AT( DirectFB_CoreSurface, "%s()\n", __FUNCTION__ );

     D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer );

     dfb_surface_lock( surface );

     if (!buffer->surface) {
          dfb_surface_unlock( surface );
          return DFB_BUFFEREMPTY;
     }

     /* Look for allocation with proper access. */
     allocation = dfb_surface_buffer_find_allocation( buffer, accessor, access, true );
     if (!allocation) {
          /* If no allocation exists, create one. */
          ret = dfb_surface_pools_allocate( buffer, accessor, access, &allocation );
          if (ret) {
               if (ret != DFB_NOVIDEOMEMORY && ret != DFB_UNSUPPORTED)
                    D_DERROR( ret, "Core/SurfBuffer: Buffer allocation failed!\n" );

               goto out;
          }

          allocated = true;
     }

     CORE_SURFACE_ALLOCATION_ASSERT( allocation );

     /* Synchronize with other allocations. */
     ret = dfb_surface_allocation_update( allocation, access );
     if (ret) {
          /* Destroy if newly created. */
          if (allocated)
               dfb_surface_allocation_decouple( allocation );
          goto out;
     }

     ret = dfb_surface_pool_prelock( allocation->pool, allocation, accessor, access );
     if (ret) {
          /* Destroy if newly created. */
          if (allocated)
               dfb_surface_allocation_decouple( allocation );
          goto out;
     }

     manage_interlocks( allocation, accessor, access );

     dfb_surface_allocation_ref( allocation );

     *ret_allocation = allocation;

out:
     dfb_surface_unlock( surface );

     return ret;
}