1 #ifndef DALI_INTERNAL_SCENE_GRAPH_RENDER_MANAGER_H
2 #define DALI_INTERNAL_SCENE_GRAPH_RENDER_MANAGER_H
5 * Copyright (c) 2019 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/rect.h>
23 #include <dali/integration-api/core-enumerations.h>
24 #include <dali/internal/common/shader-saver.h>
25 #include <dali/internal/render/gl-resources/gpu-buffer.h>
26 #include <dali/internal/render/renderers/render-property-buffer.h>
27 #include <dali/internal/event/rendering/texture-impl.h>
35 class GlSyncAbstraction;
36 class GlContextHelperAbstraction;
61 class RenderInstruction;
62 class RenderInstructionContainer;
64 class PropertyBufferDataProvider;
67 * RenderManager is responsible for rendering the result of the previous "update", which
68 * is provided in a RenderCommand during UpdateManager::Update().
75 * Construct a new RenderManager.
76 * @param[in] glAbstraction The GL abstraction used for rendering.
77 * @param[in] glSyncAbstraction The GL sync abstraction used fence sync creation/deletion.
78 * @param[in] glContextHelperAbstraction The GL context helper abstraction for accessing GL context.
79 * @param[in] depthBufferAvailable Whether the depth buffer is available
80 * @param[in] stencilBufferAvailable Whether the stencil buffer is available
82 static RenderManager* New( Integration::GlAbstraction& glAbstraction,
83 Integration::GlSyncAbstraction& glSyncAbstraction,
84 Integration::GlContextHelperAbstraction& glContextHelperAbstraction,
85 Integration::DepthBufferAvailable depthBufferAvailable,
86 Integration::StencilBufferAvailable stencilBufferAvailable );
89 * Non-virtual destructor; not intended as a base class
94 * Retrieve the RenderQueue. Messages should only be added to this from the update-thread.
95 * @return The render queue.
97 RenderQueue& GetRenderQueue();
100 * @copydoc Dali::Integration::Core::ContextCreated()
102 void ContextCreated();
105 * @copydoc Dali::Integration::Core::ContextToBeDestroyed()
107 void ContextDestroyed();
110 * Set the upstream interface for compiled shader binaries to be sent back to for eventual
111 * caching and saving.
112 * @param[in] upstream The abstract interface to send any received ShaderDatas onwards to..
113 * @note This should be called during core initialisation if shader binaries are to be used.
115 void SetShaderSaver( ShaderSaver& upstream );
118 * Retrieve the render instructions; these should be set during each "update" traversal.
119 * @return The render instruction container.
121 RenderInstructionContainer& GetRenderInstructionContainer();
123 // The following methods should be called via RenderQueue messages
126 * Set the background color i.e. the glClear color used at the beginning of each frame.
127 * @param[in] color The new background color.
129 void SetBackgroundColor( const Vector4& color );
132 * Set the frame time delta (time elapsed since the last frame.
133 * @param[in] deltaTime the delta time
135 void SetFrameDeltaTime( float deltaTime );
138 * Returns the rectangle for the default surface (probably the application window).
139 * @return Rectangle for the surface.
141 void SetDefaultSurfaceRect( const Rect<int>& rect );
144 * Returns the orintation for the default surface (probably the application window).
145 * @return Orientation for the surface.
147 void SetDefaultSurfaceOrientation( int orientation );
150 * Add a Renderer to the render manager.
151 * @param[in] renderer The renderer to add.
152 * @post renderer is owned by RenderManager
154 void AddRenderer( OwnerPointer< Render::Renderer >& renderer );
157 * Remove a Renderer from the render manager.
158 * @param[in] renderer The renderer to remove.
159 * @post renderer is destroyed.
161 void RemoveRenderer( Render::Renderer* renderer );
164 * Add a sampler to the render manager.
165 * @param[in] sampler The sampler to add.
166 * @post sampler is owned by RenderManager
168 void AddSampler( OwnerPointer< Render::Sampler >& sampler );
171 * Remove a sampler from the render manager.
172 * @param[in] sampler The sampler to remove.
173 * @post sampler is destroyed.
175 void RemoveSampler( Render::Sampler* sampler );
178 * Set minification and magnification filter modes for a sampler
179 * @param[in] minFilterMode Filter mode to use when the texture is minificated
180 * @param[in] magFilterMode Filter mode to use when the texture is magnified
182 void SetFilterMode( Render::Sampler* sampler, uint32_t minFilterMode, uint32_t magFilterMode );
185 * Set wrapping mode for a sampler
186 * @param[in] rWrapMode Wrap mode in the z direction
187 * @param[in] uWrapMode Wrap mode in the x direction
188 * @param[in] vWrapMode Wrap mode in the y direction
190 void SetWrapMode( Render::Sampler* sampler, uint32_t rWrapMode, uint32_t sWrapMode, uint32_t tWrapMode );
193 * Add a property buffer to the render manager.
194 * @param[in] propertyBuffer The property buffer to add.
195 * @post propertBuffer is owned by RenderManager
197 void AddPropertyBuffer( OwnerPointer< Render::PropertyBuffer >& propertyBuffer );
200 * Remove a property buffer from the render manager.
201 * @param[in] propertyBuffer The property buffer to remove.
202 * @post propertyBuffer is destroyed.
204 void RemovePropertyBuffer( Render::PropertyBuffer* propertyBuffer );
207 * Add a geometry to the render manager.
208 * @param[in] geometry The geometry to add.
209 * @post geometry is owned by RenderManager
211 void AddGeometry( OwnerPointer< Render::Geometry >& geometry );
214 * Remove a geometry from the render manager.
215 * @param[in] geometry The geometry to remove.
216 * @post geometry is destroyed.
218 void RemoveGeometry( Render::Geometry* geometry );
221 * Adds a property buffer to a geometry from the render manager.
222 * @param[in] geometry The geometry
223 * @param[in] propertyBuffer The property buffer to remove.
225 void AttachVertexBuffer( Render::Geometry* geometry, Render::PropertyBuffer* propertyBuffer );
228 * Remove a property buffer from a Render::Geometry from the render manager.
229 * @param[in] geometry The geometry
230 * @param[in] propertyBuffer The property buffer to remove.
231 * @post property buffer is destroyed.
233 void RemoveVertexBuffer( Render::Geometry* geometry, Render::PropertyBuffer* propertyBuffer );
236 * Sets the format of an existing property buffer
237 * @param[in] propertyBuffer The property buffer.
238 * @param[in] format The new format of the buffer
240 void SetPropertyBufferFormat( Render::PropertyBuffer* propertyBuffer, OwnerPointer< Render::PropertyBuffer::Format>& format );
243 * Sets the data of an existing property buffer
244 * @param[in] propertyBuffer The property buffer.
245 * @param[in] data The new data of the buffer
246 * @param[in] size The new size of the buffer
248 void SetPropertyBufferData( Render::PropertyBuffer* propertyBuffer, OwnerPointer< Vector<uint8_t> >& data, uint32_t size );
251 * Sets the data for the index buffer of an existing geometry
252 * @param[in] geometry The geometry
253 * @param[in] data A vector containing the indices
255 void SetIndexBuffer( Render::Geometry* geometry, Dali::Vector<uint16_t>& data );
258 * Set the geometry type of an existing render geometry
259 * @param[in] geometry The render geometry
260 * @param[in] geometryType The new geometry type
262 void SetGeometryType( Render::Geometry* geometry, uint32_t geometryType );
265 * Adds a texture to the render manager
266 * @param[in] texture The texture to add
268 void AddTexture( OwnerPointer< Render::Texture >& texture );
271 * Removes a texture from the render manager
272 * @param[in] texture The texture to remove
274 void RemoveTexture( Render::Texture* texture );
277 * Uploads data to an existing texture
278 * @param[in] texture The texture
279 * @param[in] pixelData The pixel data object
280 * @param[in] params The parameters for the upload
282 void UploadTexture( Render::Texture* texture, PixelDataPtr pixelData, const Texture::UploadParams& params );
285 * Generates mipmaps for a given texture
286 * @param[in] texture The texture
288 void GenerateMipmaps( Render::Texture* texture );
291 * Adds a framebuffer to the render manager
292 * @param[in] frameBuffer The framebuffer to add
294 void AddFrameBuffer( OwnerPointer< Render::FrameBuffer >& frameBuffer );
297 * Removes a framebuffer from the render manager
298 * @param[in] frameBuffer The framebuffer to remove
300 void RemoveFrameBuffer( Render::FrameBuffer* frameBuffer );
303 * Attach a texture as color output to an existing FrameBuffer
304 * @param[in] frameBuffer The FrameBuffer
305 * @param[in] texture The texture that will be used as output when rendering
306 * @param[in] mipmapLevel The mipmap of the texture to be attached
307 * @param[in] layer Indicates which layer of a cube map or array texture to attach. Unused for 2D textures
309 void AttachColorTextureToFrameBuffer( Render::FrameBuffer* frameBuffer, Render::Texture* texture, uint32_t mipmapLevel, uint32_t layer );
312 * Adds a render tracker to the RenderManager. RenderManager takes ownership of the
313 * tracker. The lifetime of the tracker is related to the lifetime of the tracked
314 * object, usually an offscreen render task.
315 * @param[in] renderTracker The render tracker
317 void AddRenderTracker( Render::RenderTracker* renderTracker );
320 * Removes a render tracker from the RenderManager.
321 * @param[in] renderTracker The render tracker to remove.
323 void RemoveRenderTracker( Render::RenderTracker* renderTracker );
326 * returns the Program controller for sending program messages
327 * @return the ProgramController
329 ProgramCache* GetProgramCache();
331 // This method should be called from Core::Render()
334 * Renders the results of the previous "update" traversal.
335 * @param[out] status contains the rendering flags.
336 * @param[in] forceClear Force the Clear on the framebuffer even if nothing is rendered.
337 * @param[in] uploadOnly Upload the resource only without rendering.
339 void Render( Integration::RenderStatus& status, bool forceClear, bool uploadOnly );
344 * Helper to process a single RenderInstruction.
345 * @param[in] instruction A description of the rendering operation.
347 void DoRender( RenderInstruction& instruction );
352 * Construct a new RenderManager.
357 RenderManager( const RenderManager& );
360 RenderManager& operator=( const RenderManager& rhs );
369 } // namespace SceneGraph
371 } // namespace Internal
375 #endif // DALI_INTERNAL_SCENE_GRAPH_RENDER_MANAGER_H