1 #ifndef DALI_INTERNAL_RENDER_VERTEX_BUFFER_H
2 #define DALI_INTERNAL_RENDER_VERTEX_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/public-api/actors/sampling.h>
22 #include <dali/public-api/common/vector-wrapper.h>
23 #include <dali/public-api/rendering/sampler.h>
25 #include <dali/graphics-api/graphics-types.h>
26 #include <dali/internal/common/const-string.h>
27 #include <dali/internal/common/owner-pointer.h>
28 #include <dali/internal/render/gl-resources/gpu-buffer.h>
29 #include <dali/internal/render/renderers/render-sampler.h>
49 * Structure that holds the meta-data of the format of VertexBuffer.
53 std::vector<Component> components;
58 * @brief Default constructor
68 * @brief Set the format of the buffer
70 * This function takes ownership of the pointer
72 * @param[in] format The format for the VertexBuffer
74 void SetFormat(VertexBuffer::Format* format);
77 * @brief Set the data of the VertexBuffer
79 * This function takes ownership of the pointer
80 * @param[in] data The new data of the VertexBuffer
81 * @param[in] size The new size of the buffer
83 void SetData(Dali::Vector<uint8_t>* data, uint32_t size);
86 * @brief Set the number of elements
87 * @param[in] size The number of elements
89 void SetSize(uint32_t size);
92 * Perform the upload of the buffer only when required
93 * @param[in] graphicsController The controller
95 bool Update(Graphics::Controller& graphicsController);
98 * Get the number of attributes present in the buffer
99 * @return The number of attributes stored in this buffer
101 inline uint32_t GetAttributeCount() const
103 DALI_ASSERT_DEBUG(mFormat && "Format should be set ");
104 return static_cast<uint32_t>(mFormat->components.size());
108 * Retrieve the i-essim attribute name
109 * @param[in] index The index of the attribute
110 * @return The name of the attribute
112 inline ConstString GetAttributeName(uint32_t index) const
114 DALI_ASSERT_DEBUG(mFormat && "Format should be set ");
115 return mFormat->components[index].name;
119 * Retrieve the size of the buffer in bytes
120 * @return The total size of the buffer
122 inline uint32_t GetDataSize() const
124 DALI_ASSERT_DEBUG(mFormat && "Format should be set ");
125 return mFormat->size * mSize;
129 * Retrieve the size of one element of the buffer
130 * @return The size of one element
132 inline uint32_t GetElementSize() const
134 DALI_ASSERT_DEBUG(mFormat && "Format should be set ");
135 return mFormat->size;
139 * Retrieve the number of elements in the buffer
140 * @return The total number of elements
142 inline uint32_t GetElementCount() const
148 * Retrieve reference to the data storage vector
149 * @return Reference to the data storage
151 inline const Dali::Vector<uint8_t>& GetData() const
157 * Retrieve data writeable pointer ( direct access to the buffer data )
158 * @return Pointer to data converted to requested type
161 inline T* GetDataTypedPtr()
163 Dali::Vector<uint8_t>* data = mData.Release();
165 return reinterpret_cast<T*>(&data->operator[](0));
168 inline const VertexBuffer::Format* GetFormat() const
170 return mFormat.Get();
173 inline const GpuBuffer* GetGpuBuffer() const
175 return mGpuBuffer.Get();
179 OwnerPointer<VertexBuffer::Format> mFormat; ///< Format of the buffer
180 OwnerPointer<Dali::Vector<uint8_t> > mData; ///< Data
181 OwnerPointer<GpuBuffer> mGpuBuffer; ///< Pointer to the GpuBuffer associated with this RenderVertexBuffer
183 uint32_t mSize; ///< Number of Elements in the buffer
184 bool mDataChanged; ///< Flag to know if data has changed in a frame
187 } // namespace Render
189 } // namespace Internal
193 #endif // DALI_INTERNAL_RENDER_VERTEX_BUFFER_H