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 typedef IntrusivePtr<FrameBuffer> FrameBufferPtr;
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 virtual ~FrameBuffer();
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::FrameBuffer::GetColorTexture()
80 Texture* GetColorTexture(uint8_t index) const;
83 * @brief Sets the frame buffer size.
84 * @param[in] width The width size
85 * @param[in] height The height size
87 void SetSize( uint32_t width, uint32_t height );
89 private: // implementation
93 * @param[in] width The width of the FrameBuffer
94 * @param[in] height The height of the FrameBuffer
95 * @param[in] attachments The attachments comprising the format of the FrameBuffer (bit-mask)
97 FrameBuffer( uint32_t width, uint32_t height, Mask attachments );
100 * Second stage initialization of the Texture
106 private: // unimplemented methods
108 FrameBuffer() = delete;
109 FrameBuffer( const FrameBuffer& ) = delete;
110 FrameBuffer& operator=( const FrameBuffer& ) = delete;
114 Internal::EventThreadServices& mEventThreadServices; ///< Used to send messages to the render thread via update thread
115 Internal::Render::FrameBuffer* mRenderObject; ///< The Render::Texture associated to this texture
117 TexturePtr mColor[ Dali::DevelFrameBuffer::MAX_COLOR_ATTACHMENTS ];
120 Mask mAttachments; ///< Bit-mask of type FrameBuffer::Attachment::Mask
121 uint8_t mColorAttachmentCount;
124 } // namespace Internal
126 // Helpers for public-api forwarding methods
127 inline Internal::FrameBuffer& GetImplementation(Dali::FrameBuffer& handle)
129 DALI_ASSERT_ALWAYS(handle && "FrameBuffer handle is empty");
131 BaseObject& object = handle.GetBaseObject();
133 return static_cast<Internal::FrameBuffer&>(object);
136 inline const Internal::FrameBuffer& GetImplementation(const Dali::FrameBuffer& handle)
138 DALI_ASSERT_ALWAYS(handle && "FrameBuffer handle is empty");
140 const BaseObject& object = handle.GetBaseObject();
142 return static_cast<const Internal::FrameBuffer&>(object);
147 #endif // DALI_INTERNAL_FRAME_BUFFER_H