Culling: Fix some issues

Former-commit-id: cc91c0e8a7f0651743439ce8ac19efacae1aed69 [formerly d7463103fce8210ea8e495a627e5d84e3e4d430b] [formerly 274c2b2c16df1784823027f3f50c6d7024640eee [formerly d5baf025e09e3ef48f5c1db64a07775c75594a8a]]
Former-commit-id: 15230bf754acd065e6db4ba8dd79d37f43ba8a02 [formerly 81b85f2234f378de5eed976d4924ce8ccb08296f]
Former-commit-id: 3cdd9b2416ada3c6ae9bc8bdc527da83c46e0459

src/Nazara/Graphics/ForwardRenderQueue.cpp

@@ -527,6 +527,24 @@ namespace Nz
 					layers.erase(it++);
 				else
 				{
+					for (auto& pipelinePair : layer.billboards)
+					{
+						auto& pipelineEntry = pipelinePair.second;
+
+						if (pipelineEntry.enabled)
+						{
+							for (auto& matIt : pipelinePair.second.materialMap)
+							{
+								auto& entry = matIt.second;
+								auto& billboardVector = entry.billboards;
+
+								billboardVector.clear();
+							}
+						}
+
+						pipelineEntry.enabled = false;
+					}
+
 					for (auto& pipelinePair : layer.basicSprites)
 					{
 						auto& pipelineEntry = pipelinePair.second;

src/Nazara/Graphics/ForwardRenderTechnique.cpp

@@ -469,8 +469,6 @@ namespace Nz
 								Renderer::DrawPrimitivesInstanced(renderedBillboardCount, PrimitiveMode_TriangleStrip, 0, 4);
 							}
 							while (billboardCount > 0);
-
-							billboardVector.clear();
 						}
 					}
 				}
@@ -562,8 +560,6 @@ namespace Nz
 							Renderer::DrawIndexedPrimitives(PrimitiveMode_TriangleList, 0, renderedBillboardCount * 6);
 						}
 						while (billboardCount > 0);
-
-						billboardVector.clear();
 					}
 				}
 			}
@@ -773,7 +769,6 @@ namespace Nz
 										}
 									}
 								}
-								instances.clear();
 							}
 						}
 					}