1 #ifndef DALI_INTERNAL_SCENE_GRAPH_RENDER_INSTRUCTION_H
2 #define DALI_INTERNAL_SCENE_GRAPH_RENDER_INSTRUCTION_H
5 * Copyright (c) 2018 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
22 #include <dali/public-api/math/matrix.h>
23 #include <dali/public-api/math/viewport.h>
24 #include <dali/internal/update/render-tasks/scene-graph-camera.h>
25 #include <dali/internal/update/rendering/render-list.h>
26 #include <dali/internal/update/rendering/scene-graph-frame-buffer.h>
36 * A set of rendering instructions consisting of:
37 * - The list(s) of renderers sorted in the correct rendering order.
38 * - The camera related matrices to use when rendering.
39 * - An optional off-screen render target.
40 * There is one RenderInstruction per RenderTarget, all renderers of all layers
41 * get collated onto the single list of lists (mRenderLists)
43 class RenderInstruction
48 * Default constructor so this can be stored in STL containers
58 * Get the next free Renderlist
59 * @param capacityRequired in this list
60 * @return the renderlist
62 RenderList& GetNextFreeRenderList( size_t capacityRequired );
65 * Inform the RenderInstruction that processing for this frame is complete
66 * This method should only be called from Update thread
68 void UpdateCompleted();
71 * @return the count of active Renderlists
73 RenderListContainer::SizeType RenderListCount() const;
76 * Return the renderlist at given index
77 * @pre index is inside the valid range of initialized lists
78 * @param index of list to return
79 * @return pointer to the renderlist, or null if the index is out of bounds.
81 const RenderList* GetRenderList( RenderListContainer::SizeType index ) const;
84 * Reset render-instruction
85 * render-lists are cleared but not released, while matrices and other settings reset in
86 * preparation for building a set of instructions for the renderer.
88 * @param[in] camera to use to get view and projection matrices.
89 * @param[in] offscreenId A resource Id of an off-screen render target, or 0
90 * @param[in] viewport A pointer to a viewport, of NULL.
91 * @param[in] clearColor A pointer to a color to clear with, or NULL if no clear is required.
93 void Reset( Camera* camera,
94 SceneGraph::FrameBuffer* frameBuffer,
95 const Viewport* viewport,
96 const Vector4* clearColor );
99 * Get the view matrix for rendering
100 * @param index of the rendering side
101 * @return the view matrix
103 const Matrix* GetViewMatrix( BufferIndex index ) const
105 // inlined as this is called once per frame per render instruction
106 return &mCamera->GetViewMatrix( index );
110 * Get the projection matrix for rendering
111 * @param index of the rendering side
112 * @return the projection matrix
114 const Matrix* GetProjectionMatrix( BufferIndex index ) const
116 // inlined as this is called once per frame per render instruction
117 return &mCamera->GetProjectionMatrix( index );
123 RenderInstruction(const RenderInstruction&);
125 RenderInstruction& operator=(const RenderInstruction& rhs);
129 Viewport mViewport; ///< Optional viewport
130 Vector4 mClearColor; ///< Optional color to clear with
131 bool mIsViewportSet:1; ///< Flag to determine whether the viewport is set
132 bool mIsClearColorSet:1; ///< Flag to determine whether the clearColor is set
133 bool mIgnoreRenderToFbo:1; ///< Whether to ignore the render to FBO option (used to measure the performance above 60 fps)
135 SceneGraph::FrameBuffer* mFrameBuffer;
139 Camera* mCamera; ///< camera that is used
140 RenderListContainer mRenderLists; ///< container of all render lists
141 RenderListContainer::SizeType mNextFreeRenderList; ///< index for the next free render list
145 } // namespace SceneGraph
147 } // namespace Internal
151 #endif // DALI_INTERNAL_SCENE_GRAPH_RENDER_INSTRUCTION_H