C++ D_DEBUG_AT函數代碼示例

static DFBResult
osdUnlock( CoreSurfacePool       *pool,
           void                  *pool_data,
           void                  *pool_local,
           CoreSurfaceAllocation *allocation,
           void                  *alloc_data,
           CoreSurfaceBufferLock *lock )
{
     OSDAllocationData *alloc = alloc_data;

     D_MAGIC_ASSERT( pool, CoreSurfacePool );
     D_MAGIC_ASSERT( allocation, CoreSurfaceAllocation );
     D_MAGIC_ASSERT( alloc, OSDAllocationData );
     D_MAGIC_ASSERT( lock, CoreSurfaceBufferLock );

     D_DEBUG_AT( OSD_SurfLock, "%s( %p )\n", __FUNCTION__, lock->buffer );

     (void) alloc;

     return DFB_OK;
}

DFBResult
ILayerContext_Real::FindWindowByResourceID(
                    u64                                        resource_id,
                    CoreWindow                               **ret_window
)
{
     DFBResult                       ret;
     CoreLayerContext               *context = obj;
     CoreWindowStack                *stack;
     FindWindowByResourceID_Context  ctx;

     D_DEBUG_AT( DirectFB_CoreLayerContext, "ILayerContext_Real::%s()\n", __FUNCTION__ );

     D_ASSERT( ret_window != NULL );

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

     ctx.resource_id = resource_id;
     ctx.window      = NULL;

     ret = (DFBResult) dfb_layer_context_lock( context );
     if (ret)
         return ret;

     ret = dfb_wm_enum_windows( stack, FindWindowByResourceID_WindowCallback, &ctx );
     if (ret == DFB_OK) {
          if (ctx.window) {
               ret = (DFBResult) dfb_window_ref( ctx.window );
               if (ret == DFB_OK)
                    *ret_window = ctx.window;
          }
          else
               ret = DFB_IDNOTFOUND;
     }

     dfb_layer_context_unlock( context );

     return ret;
}

static DFBResult
driver_init_device(CoreGraphicsDevice *device,
                   GraphicsDeviceInfo *device_info,
                   void               *driver_data,
                   void               *device_data)
{
     const char   *renderer;
     DFBResult     status;

     D_DEBUG_AT(GLES2__2D, "%s()\n", __FUNCTION__);

     // Now that we have a connection and can query GLES.
     renderer = (const char*)glGetString(GL_RENDERER);

     // Fill device info.
     snprintf(device_info->vendor,
              DFB_GRAPHICS_DEVICE_INFO_VENDOR_LENGTH, "%s", "GLES2 Acceleration -");
     snprintf(device_info->name,
              DFB_GRAPHICS_DEVICE_INFO_NAME_LENGTH, "%s", renderer ?: "Unknown");

     // Initialize shader program objects, shared across all EGL contexts.
     status = gles2_init_shader_programs((GLES2DeviceData *)device_data);

     if (status != DFB_OK) {
          D_ERROR("GLES2/Driver: Could not create shader program objects!\n");
          return status;
     }

     /* device limitations */
     device_info->limits.surface_byteoffset_alignment = 8;
     device_info->limits.surface_bytepitch_alignment  = 8;

     device_info->caps.flags    = CCF_CLIPPING | CCF_RENDEROPTS;
     device_info->caps.accel    = GLES2_SUPPORTED_DRAWINGFUNCTIONS |
                                  GLES2_SUPPORTED_BLITTINGFUNCTIONS;
     device_info->caps.drawing  = GLES2_SUPPORTED_DRAWINGFLAGS;
     device_info->caps.blitting = GLES2_SUPPORTED_BLITTINGFLAGS;

     return DFB_OK;
}

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 );
}

static DFBResult
drmkmsInitLayer( CoreLayer                  *layer,
                 void                       *driver_data,
                 void                       *layer_data,
                 DFBDisplayLayerDescription *description,
                 DFBDisplayLayerConfig      *config,
                 DFBColorAdjustment         *adjustment )
{
     DRMKMSData       *drmkms = driver_data;
     DRMKMSDataShared *shared = drmkms->shared;
     DRMKMSLayerData  *data   = layer_data;

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


     data->index       = shared->layerplane_index_count++;
     data->layer_index = shared->layer_index_count++;
     data->level       = 0;

     description->type             = DLTF_GRAPHICS;
     description->caps             = DLCAPS_SURFACE;
     description->surface_caps     = DSCAPS_NONE;
     description->surface_accessor = CSAID_LAYER0;

     direct_snputs( description->name, "DRMKMS Layer", DFB_DISPLAY_LAYER_DESC_NAME_LENGTH );


     config->flags       = DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT | DLCONF_BUFFERMODE;
     config->width       = dfb_config->mode.width  ?: shared->mode[data->layer_index].hdisplay;
     config->height      = dfb_config->mode.height ?: shared->mode[data->layer_index].vdisplay;

     config->pixelformat = dfb_config->mode.format ?: DSPF_ARGB;
     config->buffermode  = DLBM_FRONTONLY;

     direct_mutex_init( &data->lock );

     direct_waitqueue_init( &data->wq_event );

     return DFB_OK;
}

static DirectResult
Construct( void *interface, ... )
{
     DFBResult             ret  = DFB_INVARG;
     ICoreResourceManager *thiz = interface;
     CoreDFB              *core;

     DIRECT_ALLOCATE_INTERFACE_DATA(thiz, ICoreResourceManager_test)

     D_DEBUG_AT( ICoreResourceManager_test, "%s( %p )\n", __FUNCTION__, thiz );

     va_list tag;
     va_start(tag, interface);
     core = va_arg(tag, CoreDFB *);
     va_end( tag );

     /* Check arguments. */
     if (!thiz)
          goto error;

     /* Initialize interface data. */
     data->ref  = 1;
     data->core = core;


     /* Initialize function pointer table. */
     thiz->AddRef       = ICoreResourceManager_test_AddRef;
     thiz->Release      = ICoreResourceManager_test_Release;

     thiz->CreateClient = ICoreResourceManager_test_CreateClient;


     return DFB_OK;


error:
     DIRECT_DEALLOCATE_INTERFACE(thiz);

     return ret;
}

static inline void
validate_clip( CardState *state,
               int        xmax,
               int        ymax,
               bool       warn )
{
     D_DEBUG_AT( Core_GfxState, "%s( %p, %d, %d, %d )\n", __FUNCTION__, state, xmax, ymax, warn );

     D_MAGIC_ASSERT( state, CardState );
     DFB_REGION_ASSERT( &state->clip );

     D_ASSERT( xmax >= 0 );
     D_ASSERT( ymax >= 0 );
     D_ASSERT( state->clip.x1 <= state->clip.x2 );
     D_ASSERT( state->clip.y1 <= state->clip.y2 );

     if (state->clip.x1 <= xmax &&
         state->clip.y1 <= ymax &&
         state->clip.x2 <= xmax &&
         state->clip.y2 <= ymax)
          return;

     if (warn)
          D_WARN( "Clip %d,%d-%dx%d invalid, adjusting to fit %dx%d",
                  DFB_RECTANGLE_VALS_FROM_REGION( &state->clip ), xmax+1, ymax+1 );

     if (state->clip.x1 > xmax)
          state->clip.x1 = xmax;

     if (state->clip.y1 > ymax)
          state->clip.y1 = ymax;

     if (state->clip.x2 > xmax)
          state->clip.x2 = xmax;

     if (state->clip.y2 > ymax)
          state->clip.y2 = ymax;

     state->modified |= SMF_CLIP;
}

DFBResult
lite_load_cursor_from_desc(LiteCursor  *cursor, DFBSurfaceDescription *dsc)
{
     DFBResult res;

     LITE_NULL_PARAMETER_CHECK(cursor);
     LITE_NULL_PARAMETER_CHECK(dsc);

     D_DEBUG_AT(LiteCursorDomain, "Load cursor from surface descriptor: %p\n", dsc);

     res = lite_util_load_image_desc(&cursor->surface, dsc);

     if (res != DFB_OK)
          return res;

     cursor->width = dsc->width;
     cursor->height = dsc->height;
     cursor->hot_x = 0;
     cursor->hot_y = 0;

     return res;
}

static void
keyboard_process_event( UniqueDevice        *device,
                        void                *data,
                        void                *ctx,
                        const DFBInputEvent *event )
{
     UniqueInputEvent  evt;
     KeyboardData     *keyboard = data;

     (void) keyboard;

     D_MAGIC_ASSERT( device, UniqueDevice );
     D_MAGIC_ASSERT( keyboard, KeyboardData );

     D_ASSERT( event != NULL );

     D_DEBUG_AT( UniQuE_Keyboard, "keyboard_process_event( %p, %p, %p, %p ) <- type 0x%08x\n",
                 device, data, ctx, event, event->type );

     switch (event->type) {
          case DIET_KEYPRESS:
          case DIET_KEYRELEASE:
               evt.type = UIET_KEY;

               evt.keyboard.device_id  = event->device_id;
               evt.keyboard.press      = (event->type == DIET_KEYPRESS);
               evt.keyboard.key_code   = event->key_code;
               evt.keyboard.key_id     = event->key_id;
               evt.keyboard.key_symbol = event->key_symbol;
               evt.keyboard.modifiers  = event->modifiers;
               evt.keyboard.locks      = event->locks;

               unique_device_dispatch( device, &evt );
               break;

          default:
               break;
     }
}

void *
VoodooDispatcher::DispatchLoop()
{
     D_DEBUG_AT( Voodoo_Dispatcher, "VoodooDispatcher::%s( %p )\n", __func__, this );

     direct_mutex_lock( &lock );

     while (!manager->is_quit) {
          VoodooPacket *packet;

          D_MAGIC_ASSERT( this, VoodooDispatcher );

          if (packets) {
               packet = (VoodooPacket*) packets;

               direct_list_remove( &packets, &packet->link );

               manager->connection->WakeUp();
          }
          else {
               direct_waitqueue_wait( &queue, &lock );

               continue;
          }


          direct_mutex_unlock( &lock );

          ProcessMessages( (VoodooMessageHeader*) packet->data_start(), packet->size() );

          D_FREE( packet );

          direct_mutex_lock( &lock );
     }

     direct_mutex_unlock( &lock );

     return NULL;
}

/*
 * Called by davinciSetState() to ensure that the source ARGB modulation is properly set
 * for execution of blitting functions.
 */
static inline void
davinci_validate_SOURCE_MULT( DavinciDeviceData *ddev,
                              CardState         *state )
{
     switch (ddev->dst_format) {
          case DSPF_ARGB:
               if (state->blittingflags & DSBLIT_COLORIZE)
                    ddev->source_mult = 0xff000000 | ddev->color_argb;
               else
                    ddev->source_mult = 0xffffffff;
               break;

          default:
               D_BUG( "unexpected format %s", dfb_pixelformat_name(ddev->dst_format) );
               return;
     }

     D_DEBUG_AT( Davinci_2D, "  => SOURCE_MULT: 0x%08lx\n", ddev->source_mult );

     /* Set the flag. */
     DAVINCI_VALIDATE( SOURCE_MULT );
}

static DFBResult
IDirectFBDisplayLayer_GetLevel( IDirectFBDisplayLayer *thiz,
                                int                   *level )
{
     DFBResult ret;
     int       lvl;

     D_DEBUG_AT( Layer, "%s( %p )\n", __FUNCTION__, thiz );

     DIRECT_INTERFACE_GET_DATA(IDirectFBDisplayLayer)

     if (!level)
          return DFB_INVARG;

     ret = dfb_layer_get_level( data->layer, &lvl );
     if (ret)
          return ret;

     *level = lvl;

     return DFB_OK;
}

static DFBResult
IDirectFBDisplayLayer_SetDstColorKey( IDirectFBDisplayLayer *thiz,
                                      u8                     r,
                                      u8                     g,
                                      u8                     b )
{
     DFBColorKey key;

     D_DEBUG_AT( Layer, "%s( %p )\n", __FUNCTION__, thiz );

     DIRECT_INTERFACE_GET_DATA(IDirectFBDisplayLayer)

     if (data->level == DLSCL_SHARED)
          return DFB_ACCESSDENIED;

     key.r     = r;
     key.g     = g;
     key.b     = b;
     key.index = -1;

     return CoreLayerContext_SetDstColorKey( data->context, &key );
}

static DFBResult
IDirectFBWindow_RequestFocus( IDirectFBWindow *thiz )
{
     CoreWindow *window;

     DIRECT_INTERFACE_GET_DATA(IDirectFBWindow)

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

     if (data->destroyed)
          return DFB_DESTROYED;

     window = data->window;

     if (window->config.options & DWOP_GHOST)
          return DFB_UNSUPPORTED;

     if (!window->config.opacity && !(window->caps & DWCAPS_INPUTONLY))
          return DFB_UNSUPPORTED;

     return dfb_window_request_focus( window );
}

static DFBResult
IDirectFBWindow_Bind( IDirectFBWindow *thiz,
                      IDirectFBWindow *source,
                      int              x,
                      int              y )
{
     IDirectFBWindow_data *source_data;
 
     DIRECT_INTERFACE_GET_DATA(IDirectFBWindow)

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

     if (data->destroyed)
          return DFB_DESTROYED;

     DIRECT_INTERFACE_GET_DATA_FROM(source, source_data, IDirectFBWindow);

     if (source_data->destroyed)
          return DFB_DESTROYED;

     return dfb_window_bind( data->window, source_data->window, x, y );
}