1 #ifndef DALI_INTERNAL_RENDER_FRAME_BUFFER_H
2 #define DALI_INTERNAL_RENDER_FRAME_BUFFER_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/devel-api/rendering/frame-buffer-devel.h>
22 #include <dali/integration-api/gl-defines.h>
23 #include <dali/internal/render/gl-resources/context.h>
24 #include <dali/internal/render/renderers/render-sampler.h>
25 #include <dali/public-api/rendering/frame-buffer.h>
29 using Mask = Dali::FrameBuffer::Attachment::Mask;
43 FrameBuffer(uint32_t width, uint32_t height, Mask attachments);
48 virtual ~FrameBuffer();
51 * Creates a FrameBuffer object in the GPU.
52 * @param[in] graphicsController The Graphics Controller
54 virtual void Initialize(Graphics::Controller& graphicsController);
57 * Deletes the framebuffer object from the GPU
59 virtual void Destroy();
62 * @brief Bind the framebuffer. Do nothing
67 * @brief Get the width of the FrameBuffer
68 * @return The width of the framebuffer
70 virtual uint32_t GetWidth() const;
73 * @brief Get the height of the FrameBuffer
74 * @return The height of the framebuffer
76 virtual uint32_t GetHeight() const;
79 * @brief Attaches a texture for the color rendering. This API is valid only for frame buffer with COLOR attachments.
80 * @param[in] texture The texture that will be used as output when rendering
81 * @param[in] mipmapLevel The mipmap of the texture to be attached
82 * @param[in] layer Indicates which layer of a cube map or array texture to attach. Unused for 2D textures
83 * @note A maximum of Dali::FrameBuffer::MAX_COLOR_ATTACHMENTS are supported.
85 void AttachColorTexture(Render::Texture* texture, uint32_t mipmapLevel, uint32_t layer);
88 * @brief Attaches a texture for the depth rendering. This API is valid only for frame buffer with DEPTH attachments.
89 * @param[in] texture The texture that will be used as output when rendering
90 * @param[in] mipmapLevel The mipmap of the texture to be attached
92 void AttachDepthTexture(Render::Texture* texture, uint32_t mipmapLevel);
95 * @brief Attaches a texture for the depth/stencil rendering. This API is valid only for frame buffer with DEPTH_STENCIL attachments.
96 * @param[in] texture The texture that will be used as output when rendering
97 * @param[in] mipmapLevel The mipmap of the texture to be attached
99 void AttachDepthStencilTexture(Render::Texture* texture, uint32_t mipmapLevel);
102 * @brief Get the number of textures bound to this frame buffer as color attachments.
103 * @return The number of color attachments.
105 uint8_t GetColorAttachmentCount() const
107 return mCreateInfo.colorAttachments.size();
111 * @brief Get the texture bound to this frame buffer as color attachment @a index.
112 * @return The texture.
114 Graphics::Texture* GetTexture(uint8_t index)
116 return mCreateInfo.colorAttachments[index].texture;
119 Graphics::Framebuffer* GetGraphicsObject()
121 return mGraphicsObject.get();
126 * @brief Undefined copy constructor. FrameBuffer cannot be copied
128 FrameBuffer(const FrameBuffer& rhs) = delete;
131 * @brief Undefined assignment operator. FrameBuffer cannot be copied
133 FrameBuffer& operator=(const FrameBuffer& rhs) = delete;
136 Graphics::Controller* mGraphicsController{nullptr};
137 Graphics::UniquePtr<Graphics::Framebuffer> mGraphicsObject{nullptr};
139 Graphics::FramebufferCreateInfo mCreateInfo;
148 } // namespace Render
150 } // namespace Internal
154 #endif // DALI_INTERNAL_RENDER_FRAME_BUFFER_H