C++ (Cpp) lp_setup_begin_query Examples

Example #1

File: lp_query.c Project: VadimGirlin/mesa

static void
llvmpipe_begin_query(struct pipe_context *pipe, struct pipe_query *q)
{
   struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
   struct llvmpipe_query *pq = llvmpipe_query(q);

   /* Check if the query is already in the scene.  If so, we need to
    * flush the scene now.  Real apps shouldn't re-use a query in a
    * frame of rendering.
    */
   if (pq->fence && !lp_fence_issued(pq->fence)) {
      llvmpipe_finish(pipe, __FUNCTION__);
   }


   memset(pq->count, 0, sizeof(pq->count));
   lp_setup_begin_query(llvmpipe->setup, pq);

   if (pq->type == PIPE_QUERY_PRIMITIVES_EMITTED) {
      pq->num_primitives_written = 0;
      llvmpipe->so_stats.num_primitives_written = 0;
   }

   if (pq->type == PIPE_QUERY_PRIMITIVES_GENERATED) {
      pq->num_primitives_generated = 0;
      llvmpipe->num_primitives_generated = 0;
   }

   if (pq->type == PIPE_QUERY_OCCLUSION_COUNTER) {
      llvmpipe->active_occlusion_query = TRUE;
      llvmpipe->dirty |= LP_NEW_OCCLUSION_QUERY;
   }
}

Example #2

File: lp_query.c Project: DirectFB/mesa

static void
llvmpipe_begin_query(struct pipe_context *pipe, struct pipe_query *q)
{
   struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
   struct llvmpipe_query *pq = llvmpipe_query(q);

   /* Check if the query is already in the scene.  If so, we need to
    * flush the scene now.  Real apps shouldn't re-use a query in a
    * frame of rendering.
    */
   if (pq->fence && !lp_fence_issued(pq->fence)) {
      llvmpipe_finish(pipe, __FUNCTION__);
   }


   memset(pq->start, 0, sizeof(pq->start));
   memset(pq->end, 0, sizeof(pq->end));
   lp_setup_begin_query(llvmpipe->setup, pq);

   switch (pq->type) {
   case PIPE_QUERY_PRIMITIVES_EMITTED:
      pq->num_primitives_written = llvmpipe->so_stats.num_primitives_written;
      break;
   case PIPE_QUERY_PRIMITIVES_GENERATED:
      pq->num_primitives_generated = llvmpipe->so_stats.primitives_storage_needed;
      break;
   case PIPE_QUERY_SO_STATISTICS:
      pq->num_primitives_written = llvmpipe->so_stats.num_primitives_written;
      pq->num_primitives_generated = llvmpipe->so_stats.primitives_storage_needed;
      break;
   case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
      pq->num_primitives_written = llvmpipe->so_stats.num_primitives_written;
      pq->num_primitives_generated = llvmpipe->so_stats.primitives_storage_needed;
      break;
   case PIPE_QUERY_PIPELINE_STATISTICS:
      /* reset our cache */
      if (llvmpipe->active_statistics_queries == 0) {
         memset(&llvmpipe->pipeline_statistics, 0,
                sizeof(llvmpipe->pipeline_statistics));
      }
      memcpy(&pq->stats, &llvmpipe->pipeline_statistics, sizeof(pq->stats));
      llvmpipe->active_statistics_queries++;
      break;
   case PIPE_QUERY_OCCLUSION_COUNTER:
   case PIPE_QUERY_OCCLUSION_PREDICATE:
      llvmpipe->active_occlusion_queries++;
      llvmpipe->dirty |= LP_NEW_OCCLUSION_QUERY;
      break;
   default:
      break;
   }
}