1 #ifndef DALI_EGL_GRAPHICS_CONTROLLER_H
2 #define DALI_EGL_GRAPHICS_CONTROLLER_H
5 * Copyright (c) 2021 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.
21 #include <dali/graphics-api/graphics-controller.h>
25 #include "gles-context.h"
26 #include "gles-graphics-buffer.h"
27 #include "gles-graphics-memory.h"
28 #include "gles-graphics-texture.h"
35 class GlSyncAbstraction;
36 class GlContextHelperAbstraction;
37 } // namespace Integration
47 * EGL Implementation of the graphics controller.
49 * Temporarily holds the old GL abstractions whilst dali-core is migrated to the new API.
51 DALI_IMPORT_API class EglGraphicsController : public Graphics::Controller
55 * @brief Deault constructor
57 EglGraphicsController() = default;
62 ~EglGraphicsController() override = default;
65 * Initialize the GLES abstraction. This can be called from the main thread.
67 void InitializeGLES(Integration::GlAbstraction& glAbstraction);
70 * Initialize with a reference to the GL abstractions.
72 * Note, this is now executed in the render thread, after core initialization
74 void Initialize(Integration::GlSyncAbstraction& glSyncAbstraction,
75 Integration::GlContextHelperAbstraction& glContextHelperAbstraction);
77 Integration::GlAbstraction& GetGlAbstraction() override;
78 Integration::GlSyncAbstraction& GetGlSyncAbstraction() override;
79 Integration::GlContextHelperAbstraction& GetGlContextHelperAbstraction() override;
82 * @copydoc Dali::Graphics::SubmitCommandBuffers()
84 void SubmitCommandBuffers(const SubmitInfo& submitInfo) override;
87 * @copydoc Dali::Graphics::PresentRenderTarget()
89 void PresentRenderTarget(RenderTarget* renderTarget) override
94 * @copydoc Dali::Graphics::WaitIdle()
96 void WaitIdle() override
101 * @copydoc Dali::Graphics::Pause()
103 void Pause() override
108 * @copydoc Dali::Graphics::Resume()
110 void Resume() override
115 * @copydoc Dali::Graphics::UpdateTextures()
117 void UpdateTextures(const std::vector<TextureUpdateInfo>& updateInfoList,
118 const std::vector<TextureUpdateSourceInfo>& sourceList) override;
121 * @copydoc Dali::Graphics::EnableDepthStencilBuffer()
123 bool EnableDepthStencilBuffer(bool enableDepth, bool enableStencil) override
129 * @copydoc Dali::Graphics::RunGarbageCollector()
131 void RunGarbageCollector(size_t numberOfDiscardedRenderers) override
136 * @copydoc Dali::Graphics::DiscardUnusedResources()
138 void DiscardUnusedResources() override
143 * @copydoc Dali::Graphics::IsDiscardQueueEmpty()
145 bool IsDiscardQueueEmpty() override
151 * @copydoc Dali::Graphics::IsDrawOnResumeRequired()
153 bool IsDrawOnResumeRequired() override
159 * @copydoc Dali::Graphics::CreateBuffer()
161 Graphics::UniquePtr<Buffer> CreateBuffer(const BufferCreateInfo& bufferCreateInfo, Graphics::UniquePtr<Buffer>&& oldBuffer) override;
164 * @copydoc Dali::Graphics::CreateCommandBuffer()
166 Graphics::UniquePtr<CommandBuffer> CreateCommandBuffer(const CommandBufferCreateInfo& commandBufferCreateInfo, Graphics::UniquePtr<CommandBuffer>&& oldCommandBuffer) override;
169 * @copydoc Dali::Graphics::CreateRenderPass()
171 Graphics::UniquePtr<RenderPass> CreateRenderPass(const RenderPassCreateInfo& renderPassCreateInfo, Graphics::UniquePtr<RenderPass>&& oldRenderPass) override
177 * @copydoc Dali::Graphics::CreateTexture()
179 Graphics::UniquePtr<Texture> CreateTexture(const TextureCreateInfo& textureCreateInfo, Graphics::UniquePtr<Texture>&& oldTexture) override;
182 * @copydoc Dali::Graphics::CreateFramebuffer()
184 Graphics::UniquePtr<Framebuffer> CreateFramebuffer(const FramebufferCreateInfo& framebufferCreateInfo, Graphics::UniquePtr<Framebuffer>&& oldFramebuffer) override
190 * @copydoc Dali::Graphics::CreatePipeline()
192 Graphics::UniquePtr<Pipeline> CreatePipeline(const PipelineCreateInfo& pipelineCreateInfo, Graphics::UniquePtr<Pipeline>&& oldPipeline) override;
195 * @copydoc Dali::Graphics::CreateShader()
197 Graphics::UniquePtr<Shader> CreateShader(const ShaderCreateInfo& shaderCreateInfo, Graphics::UniquePtr<Shader>&& oldShader) override
203 * @copydoc Dali::Graphics::CreateSampler()
205 Graphics::UniquePtr<Sampler> CreateSampler(const SamplerCreateInfo& samplerCreateInfo, Graphics::UniquePtr<Sampler>&& oldSampler) override
211 * @copydoc Dali::Graphics::CreateRenderTarget()
213 Graphics::UniquePtr<RenderTarget> CreateRenderTarget(const RenderTargetCreateInfo& renderTargetCreateInfo, Graphics::UniquePtr<RenderTarget>&& oldRenderTarget) override
219 * @copydoc Dali::Graphics::MapBufferRange()
221 Graphics::UniquePtr<Memory> MapBufferRange(const MapBufferInfo& mapInfo) override;
224 * @copydoc Dali::Graphics::MapTextureRange()
226 Graphics::UniquePtr<Memory> MapTextureRange(const MapTextureInfo& mapInfo) override
232 * @copydoc Dali::Graphics::UnmapMemory()
234 void UnmapMemory(Graphics::UniquePtr<Memory> memory) override
238 * @copydoc Dali::Graphics::GetTextureMemoryRequirements()
240 MemoryRequirements GetTextureMemoryRequirements(Texture& texture) const override
246 * @copydoc Dali::Graphics::GetBufferMemoryRequirements()
248 MemoryRequirements GetBufferMemoryRequirements(Buffer& buffer) const override
254 * @copydoc Dali::Graphics::GetTextureProperties()
256 const TextureProperties& GetTextureProperties(const Texture& texture) override
258 // for compiler not to moan
259 static TextureProperties dummy{};
264 * @copydoc Dali::Graphics::PipelineEquals()
266 [[nodiscard]] bool PipelineEquals(const Pipeline& pipeline0, const Pipeline& pipeline1) const override
271 [[nodiscard]] Integration::GlAbstraction* GetGL() const
273 return mGlAbstraction;
277 void AddTexture(GLES::Texture& texture);
280 * @brief Adds buffer to the creation queue
283 void AddBuffer(GLES::Buffer& buffer);
286 * @brief Pushes Bufer to the discard queue
288 * Function is called from the UniquePtr custom deleter.
290 * @param[in] texture Pointer to the texture
292 void DiscardResource(GLES::Texture* texture)
294 mDiscardTextureQueue.push(texture);
298 * @brief Pushes Buffer to the discard queue
300 * Function is called from the UniquePtr custom deleter.
302 * @param[in] texture Pointer to the texture
304 void DiscardResource(GLES::Buffer* texture)
306 mDiscardBufferQueue.push(texture);
310 * @brief Flushes all pending updates
312 * Function flushes all pending resource constructions,
313 * executes command buffers and empties discard queues.
318 ProcessCreateQueues();
321 ProcessTextureUpdateQueue();
324 ProcessDiscardQueues();
326 // Process main command queue
327 ProcessCommandQueues();
330 // Test update to tick controller, usually it will run own thread
331 void ProcessDiscardQueues();
334 * @brief Processes a create queue for type specified
336 * @param[in,out] queue Reference to the create queue
339 void ProcessCreateQueue(T& queue)
341 while(!queue.empty())
343 auto* object = queue.front();
346 // Initialize texture
347 if(!object->InitializeResource())
349 // TODO: handle error
355 * @brief Processes a create queue for type specified
357 * @param[in,out] queue Reference to the create queue
359 template<class U, class T>
360 void ProcessDiscardQueue(T& queue)
362 while(!queue.empty())
364 auto* object = queue.front();
367 object->DestroyResource();
370 auto* clbk = object->GetCreateInfo().allocationCallbacks;
377 clbk->freeCallback(object, clbk->userData);
388 * @brief Processes all resource create queues
390 void ProcessCreateQueues();
393 * @brief Process command queues and buffers
395 void ProcessCommandQueues();
398 * @brief Executes all pending texture updates
400 void ProcessTextureUpdateQueue();
403 Integration::GlAbstraction* mGlAbstraction{nullptr};
404 Integration::GlSyncAbstraction* mGlSyncAbstraction{nullptr};
405 Integration::GlContextHelperAbstraction* mGlContextHelperAbstraction{nullptr};
407 std::queue<GLES::Texture*> mCreateTextureQueue; ///< Create queue for texture resource
408 std::queue<GLES::Texture*> mDiscardTextureQueue; ///< Discard queue for texture resource
410 std::queue<GLES::Buffer*> mCreateBufferQueue; ///< Create queue for buffer resource
411 std::queue<GLES::Buffer*> mDiscardBufferQueue; ///< Discard queue for buffer resource
413 std::queue<GLES::CommandBuffer*> mCommandQueue; ///< we may have more in the future
415 using TextureUpdateRequest = std::pair<TextureUpdateInfo, TextureUpdateSourceInfo>;
416 std::queue<TextureUpdateRequest> mTextureUpdateRequests;
418 std::unique_ptr<GLES::Context> mContext{nullptr}; ///< Context object handling command buffers execution
421 } // namespace Graphics
425 #endif //DALI_EGL_GRAPHICS_CONTROLLER_H