Graphics: Clear instances in Clear method

Former-commit-id: 66b0db92e353312b6cf3d68526417b5fb77c0bef [formerly 897579017072102b658dc637b91bc52d80a061cd] [formerly 7685fb2c3c18c030ce5a3ac6a29129bd39de88c8 [formerly 7ba2bc156951247f5f7ba7ebfb3d65bced1731e7]]
Former-commit-id: a1eb128bba2d28589a7988f6f98a860839c07cfe [formerly 1fed3d7b8cbc84c528ce27db61123ce8fc562e97]
Former-commit-id: cc56728a6e0a6b84c4969850287109c8e92281cd

src/Nazara/Graphics/DeferredRenderQueue.cpp

@@ -278,6 +278,36 @@ namespace Nz
 				Layer& layer = it->second;
 				if (layer.clearCount++ >= 100)
 					it = layers.erase(it);
+				else
+				{
+					for (auto& pipelinePair : layer.opaqueModels)
+					{
+						const MaterialPipeline* pipeline = pipelinePair.first;
+						auto& pipelineEntry = pipelinePair.second;
+
+						if (pipelineEntry.maxInstanceCount > 0)
+						{
+							for (auto& materialPair : pipelineEntry.materialMap)
+							{
+								auto& matEntry = materialPair.second;
+
+								if (matEntry.enabled)
+								{
+									MeshInstanceContainer& meshInstances = matEntry.meshMap;
+
+									for (auto& meshIt : meshInstances)
+									{
+										auto& meshEntry = meshIt.second;
+
+										meshEntry.instances.clear();
+									}
+									matEntry.enabled = false;
+								}
+							}
+							pipelineEntry.maxInstanceCount = 0;
+						}
+					}
+				}
 			}
 		}