2 * Copyright (c) 2022 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <dali/internal/update/common/discard-queue.h>
22 #include <dali/internal/common/message.h>
23 #include <dali/internal/render/queue/render-queue.h>
24 #include <dali/internal/render/renderers/render-renderer.h>
25 #include <dali/internal/render/shaders/render-shader.h>
26 #include <dali/internal/update/common/scene-graph-scene.h>
27 #include <dali/internal/update/nodes/node.h>
35 DiscardQueue::DiscardQueue(RenderQueue& renderQueue)
36 : mRenderQueue(renderQueue),
44 DiscardQueue::~DiscardQueue() = default;
46 void DiscardQueue::Add(BufferIndex updateBufferIndex, Node* node)
48 DALI_ASSERT_DEBUG(NULL != node);
50 // The GL resources will now be freed in frame N
51 // The Update for frame N+1 may occur in parallel with the rendering of frame N
52 // Queue the node for destruction in frame N+2
53 mNodeQueue[updateBufferIndex].PushBack(node);
56 void DiscardQueue::Add(BufferIndex updateBufferIndex, Shader* shader)
58 DALI_ASSERT_DEBUG(NULL != shader);
60 // Programs are cached for the lifetime of DALi so no need for GL cleanup for shader for now.
62 // The GL resources will now be freed in frame N
63 // The Update for frame N+1 may occur in parallel with the rendering of frame N
64 // Queue the node for destruction in frame N+2
65 mShaderQueue[updateBufferIndex].PushBack(shader);
68 void DiscardQueue::Add(BufferIndex updateBufferIndex, Renderer* renderer)
70 DALI_ASSERT_DEBUG(NULL != renderer);
72 // The GL resources will now be freed in frame N
73 // The Update for frame N+1 may occur in parallel with the rendering of frame N
74 // Queue the node for destruction in frame N+2
75 mRendererQueue[updateBufferIndex].PushBack(renderer);
78 void DiscardQueue::Add(BufferIndex updateBufferIndex, Scene* scene)
80 DALI_ASSERT_DEBUG(NULL != scene);
82 mSceneQueue[updateBufferIndex].PushBack(scene);
85 void DiscardQueue::Clear(BufferIndex updateBufferIndex)
87 // Destroy some discarded objects; these should no longer own any GL resources
88 mNodeQueue[updateBufferIndex].Clear();
89 mRendererQueue[updateBufferIndex].Clear();
90 mShaderQueue[updateBufferIndex].Clear();
91 mSceneQueue[updateBufferIndex].Clear();
94 } // namespace SceneGraph
96 } // namespace Internal