1 #ifndef DALI_FRAMEBUFFER_H
2 #define DALI_FRAMEBUFFER_H
5 * Copyright (c) 2016 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/object/base-handle.h>
23 #include <dali/devel-api/rendering/texture.h>
28 namespace Internal DALI_INTERNAL
34 * @brief FrameBuffer is a collection of textures that can be used as the destination for rendering
36 class DALI_IMPORT_API FrameBuffer : public BaseHandle
42 COLOR, ///< Framebuffer will be created with color buffer.
43 COLOR_DEPTH, ///< Framebuffer will be created with color and depth buffer
44 COLOR_STENCIL, ///< Framebuffer will be created with color and stencil buffer
45 COLOR_DEPTH_STENCIL ///< Framebuffer will be created with color, depth and stencil buffer. @note May be not supported in all devices
49 * @brief Creates a new FrameBuffer object
51 * @param[in] width The width of the FrameBuffer
52 * @param[in] height The height of the FrameBuffer
53 * @param[in] format The format of the FrameBuffer
54 * @return A handle to a newly allocated FrameBuffer
56 static FrameBuffer New( unsigned int width, unsigned int height, Format format );
59 * @brief Default constructor, creates an empty handle
69 * @brief Copy constructor, creates a new handle to the same object
71 * @param[in] handle Handle to an object
73 FrameBuffer( const FrameBuffer& handle );
76 * @brief Downcast to a FrameBuffer.
78 * If not the returned handle is left uninitialized.
79 * @param[in] handle to an object
80 * @return FrameBuffer handle or an uninitialized handle
82 static FrameBuffer DownCast( BaseHandle handle );
85 * @brief Assignment operator, changes this handle to point at the same object
87 * @param[in] handle Handle to an object
88 * @return Reference to the assigned object
90 FrameBuffer& operator=( const FrameBuffer& handle );
93 * @brief Attach the base LOD of a 2D texture to the framebuffer for color rendering
94 * @param[in] texture The texture that will be used as output when rendering
95 * @note The texture has to have the same size than the FrameBuffer
96 * otherwise it won't be attached
98 void AttachColorTexture( Texture& texture );
101 * @brief Attach a texture to the framebuffer for color rendering
102 * @param[in] texture The texture that will be used as output when rendering
103 * @param[in] mipmapLevel The mipmap of the texture to be attached
104 * @param[in] layer Indicates which layer of a cube map or array texture to attach. Unused for 2D textures
105 * @note The specified texture mipmap has to have the same size than the FrameBuffer
106 * otherwise it won't be attached
108 void AttachColorTexture( Texture& texture, unsigned int mipmapLevel, unsigned int layer );
111 * @brief Get the color texture used as output in the FrameBuffer
112 * @returns A handle to the texture used as color output, or an uninitialized handle
114 Texture GetColorTexture();
118 * @brief The constructor
120 * @param [in] pointer A pointer to a newly allocated FrameBuffer
122 explicit DALI_INTERNAL FrameBuffer( Internal::FrameBuffer* pointer );
127 #endif // DALI_FRAMEBUFFER_H