1 #ifndef DALI_INTERNAL_FRAME_BUFFER_H
2 #define DALI_INTERNAL_FRAME_BUFFER_H
5 * Copyright (c) 2020 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/common/dali-common.h> // DALI_ASSERT_ALWAYS
23 #include <dali/public-api/common/intrusive-ptr.h> // Dali::IntrusivePtr
24 #include <dali/public-api/object/base-object.h>
25 #include <dali/public-api/rendering/frame-buffer.h>
26 #include <dali/devel-api/rendering/frame-buffer-devel.h>
27 #include <dali/internal/event/common/event-thread-services.h>
28 #include <dali/internal/event/rendering/texture-impl.h>
32 using Mask = Dali::FrameBuffer::Attachment::Mask;
42 using FrameBufferPtr = IntrusivePtr<FrameBuffer>;
44 class FrameBuffer : public BaseObject
48 using Mask = Dali::FrameBuffer::Attachment::Mask;
51 * @brief Create a new FrameBuffer
53 * @param[in] width The width of the FrameBuffer
54 * @param[in] height The height of the FrameBuffer
55 * @param[in] attachments The attachments comprising the format of the FrameBuffer (bit-mask)
56 * @return A smart-pointer to the newly allocated Texture.
58 static FrameBufferPtr New( uint32_t width, uint32_t height, Mask attachments );
61 * A reference counted object may only be deleted by calling Unreference()
63 ~FrameBuffer() override;
66 * @brief Get the FrameBuffer render object
68 * @return the FrameBuffer render object
70 Render::FrameBuffer* GetRenderObject() const;
73 * @copydoc Dali::FrameBuffer::AttachColorTexture()
75 void AttachColorTexture( TexturePtr texture, uint32_t mipmapLevel, uint32_t layer );
78 * @copydoc Dali::DevelFrameBuffer::AttachDepthTexture()
80 void AttachDepthTexture( TexturePtr texture, uint32_t mipmapLevel );
83 * @copydoc Dali::DevelFrameBuffer::AttachDepthStencilTexture()
85 void AttachDepthStencilTexture( TexturePtr texture, uint32_t mipmapLevel );
88 * @copydoc Dali::FrameBuffer::GetColorTexture()
90 Texture* GetColorTexture(uint8_t index) const;
93 * @copydoc Dali::DevelFrameBuffer::GetDepthTexture()
95 Texture* GetDepthTexture() const;
98 * @copydoc Dali::DevelFrameBuffer::GetDepthStencilTexture()
100 Texture* GetDepthStencilTexture() const;
103 * @brief Retrieve captured buffer
105 * @return a pointer of the buffer.
107 uint8_t* GetRenderedBuffer();
110 * @copydoc Dali::FrameBuffer::CaptureRenderedResult()
112 void CaptureRenderedResult();
115 * @brief Sets the frame buffer size.
116 * @param[in] width The width size
117 * @param[in] height The height size
119 void SetSize( uint32_t width, uint32_t height );
121 private: // implementation
125 * @param[in] width The width of the FrameBuffer
126 * @param[in] height The height of the FrameBuffer
127 * @param[in] attachments The attachments comprising the format of the FrameBuffer (bit-mask)
129 FrameBuffer( uint32_t width, uint32_t height, Mask attachments );
132 * Second stage initialization of the Texture
138 private: // unimplemented methods
140 FrameBuffer() = delete;
141 FrameBuffer( const FrameBuffer& ) = delete;
142 FrameBuffer& operator=( const FrameBuffer& ) = delete;
146 Internal::EventThreadServices& mEventThreadServices; ///< Used to send messages to the render thread via update thread
147 Internal::Render::FrameBuffer* mRenderObject; ///< The Render::Texture associated to this texture
149 TexturePtr mColor[ Dali::DevelFrameBuffer::MAX_COLOR_ATTACHMENTS ];
154 Mask mAttachments; ///< Bit-mask of type FrameBuffer::Attachment::Mask
155 uint8_t mColorAttachmentCount;
158 } // namespace Internal
160 // Helpers for public-api forwarding methods
161 inline Internal::FrameBuffer& GetImplementation(Dali::FrameBuffer& handle)
163 DALI_ASSERT_ALWAYS(handle && "FrameBuffer handle is empty");
165 BaseObject& object = handle.GetBaseObject();
167 return static_cast<Internal::FrameBuffer&>(object);
170 inline const Internal::FrameBuffer& GetImplementation(const Dali::FrameBuffer& handle)
172 DALI_ASSERT_ALWAYS(handle && "FrameBuffer handle is empty");
174 const BaseObject& object = handle.GetBaseObject();
176 return static_cast<const Internal::FrameBuffer&>(object);
181 #endif // DALI_INTERNAL_FRAME_BUFFER_H