1 #ifndef DALI_INTERNAL_RENDER_TEXTURE_FRAME_BUFFER_H
2 #define DALI_INTERNAL_RENDER_TEXTURE_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.
21 #include <dali/devel-api/rendering/frame-buffer-devel.h>
22 #include <dali/internal/render/renderers/render-frame-buffer.h>
26 using Mask = Dali::FrameBuffer::Attachment::Mask;
34 class TextureFrameBuffer : public FrameBuffer
40 * @param[in] width The width of the FrameBuffer
41 * @param[in] height The height of the FrameBuffer
42 * @param[in] attachments The attachments comprising the format of the FrameBuffer (bit-mask)
44 TextureFrameBuffer( uint32_t width, uint32_t height, Mask attachments );
49 virtual ~TextureFrameBuffer();
52 * @copydoc Dali::Internal::Renderer::FrameBuffer::Initialize()
54 void Initialize( Context& context ) override;
57 * @copydoc Dali::Internal::Renderer::FrameBuffer::Destroy()
59 void Destroy( Context& context ) override;
62 * @copydoc Dali::Internal::Renderer::FrameBuffer::GlContextDestroyed()
64 void GlContextDestroyed() override;
67 * @copydoc Dali::Internal::Renderer::FrameBuffer::Bind()
69 void Bind( Context& context ) override;
72 * @copydoc Dali::Internal::Renderer::FrameBuffer::GetWidth()
74 uint32_t GetWidth() const override;
77 * @copydoc Dali::Internal::Renderer::FrameBuffer::GetHeight()
79 uint32_t GetHeight() const override;
82 * @copydoc Dali::Internal::Renderer::FrameBuffer::IsSurfaceBacked()
84 bool IsSurfaceBacked() override { return false; };
87 * @brief Attach a texture for color rendering. Valid only for Framebuffers with COLOR attachments.
88 * @param[in] context The GL context
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
91 * @param[in] layer Indicates which layer of a cube map or array texture to attach. Unused for 2D textures
92 * @note A maximum of Dali::FrameBuffer::MAX_COLOR_ATTACHMENTS are supported.
94 void AttachColorTexture( Context& context, Render::Texture* texture, uint32_t mipmapLevel, uint32_t layer );
97 * @brief Attach a texture for depth rendering. Valid only for Framebuffers with DEPTH attachments.
98 * @param[in] context The GL context
99 * @param[in] texture The texture that will be used as output when rendering
100 * @param[in] mipmapLevel The mipmap of the texture to be attached
102 void AttachDepthTexture( Context& context, Render::Texture* texture, uint32_t mipmapLevel );
105 * @brief Attach a texture for depth/stencil rendering. Valid only for Framebuffers with DEPTH_STENCIL attachments.
106 * @param[in] context The GL context
107 * @param[in] texture The texture that will be used as output when rendering
108 * @param[in] mipmapLevel The mipmap of the texture to be attached
110 void AttachDepthStencilTexture( Context& context, Render::Texture* texture, uint32_t mipmapLevel );
113 * @brief Get the number of textures bound to this frame buffer as color attachments.
114 * @return The number of color attachments.
116 uint8_t GetColorAttachmentCount() const { return mColorAttachmentCount; }
119 * @brief Get the id (OpenGL handle) of the texture bound to this frame buffer as color attachment @a index.
120 * @return The texture id.
122 GLuint GetTextureId(uint8_t index) { return mTextureId[index]; };
127 GLuint mTextureId[ Dali::DevelFrameBuffer::MAX_COLOR_ATTACHMENTS ];
129 GLuint mStencilBuffer;
132 uint8_t mColorAttachmentCount;
136 } // namespace Render
138 } // namespace Internal
143 #endif // DALI_INTERNAL_RENDER_TEXTURE_FRAME_BUFFER_H