1 #ifndef __DALI_INTERNAL_SCENE_GRAPH_RENDER_MANAGER_H__
2 #define __DALI_INTERNAL_SCENE_GRAPH_RENDER_MANAGER_H__
5 * Copyright (c) 2015 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/internal/common/shader-saver.h>
24 #include <dali/internal/update/resources/resource-manager-declarations.h>
25 #include <dali/internal/render/common/texture-uploaded-dispatcher.h>
26 #include <dali/internal/render/gl-resources/gpu-buffer.h>
27 #include <dali/internal/render/renderers/render-property-buffer.h>
35 class GlSyncAbstraction;
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().
70 class RenderManager : public TextureUploadedDispatcher
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[out] resourcePostProcessQueue A queue for sending rendered texture ids to the update-thread.
80 static RenderManager* New( Integration::GlAbstraction& glAbstraction,
81 Integration::GlSyncAbstraction& glSyncAbstraction,
82 LockedResourceQueue& resourcePostProcessQueue );
85 * Non-virtual destructor; not intended as a base class
90 * Retrieve the RenderQueue. Messages should only be added to this from the update-thread.
91 * @return The render queue.
93 RenderQueue& GetRenderQueue();
96 * Retrieve the texture cache. Messages should only be sent to this from the update thread,
97 * accessor methods should only be used from the render thread.
98 * @return The texture cache
100 TextureCache& GetTextureCache();
103 * @copydoc Dali::Integration::Core::ContextCreated()
105 void ContextCreated();
108 * @copydoc Dali::Integration::Core::ContextToBeDestroyed()
110 void ContextDestroyed();
113 * Dispatch requests onto the postProcessResourcesQueue
114 * @param[in] resource The Id of the resource to dispatch
116 virtual void DispatchTextureUploaded( ResourceId resource );
119 * Set the upstream interface for compiled shader binaries to be sent back to for eventual
120 * caching and saving.
121 * @param[in] upstream The abstract interface to send any received ShaderDatas onwards to..
122 * @note This should be called during core initialisation if shader binaries are to be used.
124 void SetShaderSaver( ShaderSaver& upstream );
127 * Retrieve the render instructions; these should be set during each "update" traversal.
128 * @return The render instruction container.
130 RenderInstructionContainer& GetRenderInstructionContainer();
132 // The following methods should be called via RenderQueue messages
135 * Set the background color i.e. the glClear color used at the beginning of each frame.
136 * @param[in] color The new background color.
138 void SetBackgroundColor( const Vector4& color );
141 * Set the frame time delta (time elapsed since the last frame.
142 * @param[in] deltaTime the delta time
144 void SetFrameDeltaTime( float deltaTime );
147 * Returns the rectangle for the default surface (probably the application window).
148 * @return Rectangle for the surface.
150 void SetDefaultSurfaceRect( const Rect<int>& rect );
153 * Add a Renderer to the render manager.
154 * @param[in] renderer The renderer to add.
155 * @post renderer is owned by RenderManager
157 void AddRenderer( Render::Renderer* renderer );
160 * Remove a Renderer from the render manager.
161 * @param[in] renderer The renderer to remove.
162 * @post renderer is destroyed.
164 void RemoveRenderer( Render::Renderer* renderer );
167 * Add a sampler to the render manager.
168 * @param[in] sampler The sampler to add.
169 * @post sampler is owned by RenderManager
171 void AddSampler( Render::Sampler* sampler );
174 * Remove a sampler from the render manager.
175 * @param[in] sampler The sampler to remove.
176 * @post sampler is destroyed.
178 void RemoveSampler( Render::Sampler* sampler );
181 * Set minification and magnification filter modes for a sampler
182 * @param[in] minFilterMode Filter mode to use when the texture is minificated
183 * @param[in] magFilterMode Filter mode to use when the texture is magnified
185 void SetFilterMode( Render::Sampler* sampler, unsigned int minFilterMode, unsigned int magFilterMode );
188 * Set wrapping mode for a sampler
189 * @param[in] rWrapMode Wrap mode in the z direction
190 * @param[in] uWrapMode Wrap mode in the x direction
191 * @param[in] vWrapMode Wrap mode in the y direction
193 void SetWrapMode( Render::Sampler* sampler, unsigned int rWrapMode, unsigned int sWrapMode, unsigned int tWrapMode );
196 * Add a property buffer to the render manager.
197 * @param[in] propertyBuffer The property buffer to add.
198 * @post propertBuffer is owned by RenderManager
200 void AddPropertyBuffer( Render::PropertyBuffer* propertyBuffer );
203 * Remove a property buffer from the render manager.
204 * @param[in] propertyBuffer The property buffer to remove.
205 * @post propertyBuffer is destroyed.
207 void RemovePropertyBuffer( Render::PropertyBuffer* propertyBuffer );
210 * Add a geometry to the render manager.
211 * @param[in] geometry The geometry to add.
212 * @post geometry is owned by RenderManager
214 void AddGeometry( Render::Geometry* geometry );
217 * Remove a geometry from the render manager.
218 * @param[in] geometry The geometry to remove.
219 * @post geometry is destroyed.
221 void RemoveGeometry( Render::Geometry* geometry );
224 * Adds a property buffer to a geometry from the render manager.
225 * @param[in] geometry The geometry
226 * @param[in] propertyBuffer The property buffer to remove.
228 void AddVertexBuffer( Render::Geometry* geometry, Render::PropertyBuffer* propertyBuffer );
231 * Remove a property buffer from a Render::Geometry from the render manager.
232 * @param[in] geometry The geometry
233 * @param[in] propertyBuffer The property buffer to remove.
234 * @post property buffer is destroyed.
236 void RemoveVertexBuffer( Render::Geometry* geometry, Render::PropertyBuffer* propertyBuffer );
239 * Sets the format of an existing property buffer
240 * @param[in] propertyBuffer The property buffer.
241 * @param[in] format The new format of the buffer
243 void SetPropertyBufferFormat( Render::PropertyBuffer* propertyBuffer, Render::PropertyBuffer::Format* format );
246 * Sets the data of an existing property buffer
247 * @param[in] propertyBuffer The property buffer.
248 * @param[in] data The new data of the buffer
249 * @param[in] size The new size of the buffer
251 void SetPropertyBufferData( Render::PropertyBuffer* propertyBuffer, Dali::Vector<char>* data, size_t size );
254 * Sets the data for the index buffer of an existing geometry
255 * @param[in] geometry The geometry
256 * @param[in] data A vector containing the indices
258 void SetIndexBuffer( Render::Geometry* geometry, Dali::Vector<unsigned short>& data );
261 * Set the geometry type of an existing render geometry
262 * @param[in] geometry The render geometry
263 * @param[in] geometryType The new geometry type
265 void SetGeometryType( Render::Geometry* geometry, unsigned int geometryType );
268 * Adds a texture to the render manager
269 * @param[in] texture The texture to add
271 void AddTexture( Render::NewTexture* texture );
274 * Removes a texture from the render manager
275 * @param[in] texture The texture to remove
277 void RemoveTexture( Render::NewTexture* texture );
280 * Uploads data to an existing texture
281 * @param[in] texture The texture
282 * @param[in] buffer Vector with the data to be uploaded
283 * @param[in] params The parameters for the upload
285 void UploadTexture( Render::NewTexture* texture, Vector<unsigned char>& buffer, const TextureUploadParams& params );
288 * Generates mipmaps for a given texture
289 * @param[in] texture The texture
291 void GenerateMipmaps( Render::NewTexture* texture );
294 * Adds a framebuffer to the render manager
295 * @param[in] frameBuffer The framebuffer to add
297 void AddFrameBuffer( Render::FrameBuffer* frameBuffer );
300 * Removes a framebuffer from the render manager
301 * @param[in] frameBuffer The framebuffer to remove
303 void RemoveFrameBuffer( Render::FrameBuffer* frameBuffer );
306 * Attach a texture as color output to an existing FrameBuffer
307 * @param[in] frameBuffer The FrameBuffer
308 * @param[in] texture The texture that will be used as output when rendering
309 * @param[in] mipmapLevel The mipmap of the texture to be attached
310 * @param[in] layer Indicates which layer of a cube map or array texture to attach. Unused for 2D textures
312 void AttachColorTextureToFrameBuffer( Render::FrameBuffer* frameBuffer, Render::NewTexture* texture, unsigned int mipmapLevel, unsigned int layer );
315 * Attach a texture as depth-stencil to an existing FrameBuffer
316 * @param[in] frameBuffer The FrameBuffer
317 * @param[in] texture The texture that will be used as depth-stencil buffer when rendering
319 void AttachDepthStencilTextureToFrameBuffer( Render::FrameBuffer* frameBuffer, Render::NewTexture* texture );
322 * Adds a render tracker to the RenderManager. RenderManager takes ownership of the
323 * tracker. The lifetime of the tracker is related to the lifetime of the tracked
324 * object, usually an offscreen render task.
325 * @param[in] renderTracker The render tracker
327 void AddRenderTracker( Render::RenderTracker* renderTracker );
330 * Removes a render tracker from the RenderManager.
331 * @param[in] renderTracker The render tracker to remove.
333 void RemoveRenderTracker( Render::RenderTracker* renderTracker );
336 * Set the default shader that is to be used in absence of custom shader
337 * @param[in] shader that is the default one
339 void SetDefaultShader( Shader* shader );
342 * returns the Program controller for sending program messages
343 * @return the ProgramController
345 ProgramCache* GetProgramCache();
347 // This method should be called from Core::Render()
350 * Renders the results of the previous "update" traversal.
351 * @param[out] status contains the flag that indicates if render instructions exist
352 * @return true if a further update is required
354 bool Render( Integration::RenderStatus& status );
359 * Helper to process a single RenderInstruction.
360 * @param[in] instruction A description of the rendering operation.
361 * @param[in] defaultShader default shader to use.
363 void DoRender( RenderInstruction& instruction, Shader& defaultShader );
368 * Construct a new RenderManager.
373 RenderManager( const RenderManager& );
376 RenderManager& operator=( const RenderManager& rhs );
385 } // namespace SceneGraph
387 } // namespace Internal
391 #endif // __DALI_INTERNAL_SCENE_GRAPH_RENDER_MANAGER_H__