1 #ifndef DALI_INTERNAL_RENDER_PROPERTY_BUFFER_H
2 #define DALI_INTERNAL_RENDER_PROPERTY_BUFFER_H
5 * Copyright (c) 2015 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.
19 #include <dali/internal/common/owner-pointer.h>
20 #include <dali/public-api/actors/sampling.h>
21 #include <dali/devel-api/rendering/sampler.h>
22 #include <dali/internal/render/renderers/render-sampler.h>
23 #include <dali/internal/render/gl-resources/gpu-buffer.h>
45 * Structure that holds the meta-data of the format of PropertyBuffer.
49 std::vector<Component> components;
54 * @brief Default constructor
64 * @brief Set the format of the buffer
66 * This function takes ownership of the pointer
68 * @param[in] format The format for the PropertyBuffer
70 void SetFormat( PropertyBuffer::Format* format );
73 * @brief Set the data of the PropertyBuffer
75 * This function takes ownership of the pointer
76 * @param[in] data The new data of the PropertyBuffer
78 void SetData( Dali::Vector<char>* data );
81 * @brief Set the number of elements
82 * @param[in] size The number of elements
84 void SetSize( unsigned int size );
87 * @brief Bind the property buffer
88 * @param[in] target The binding point
90 void BindBuffer(GpuBuffer::Target target);
93 * Perform the upload of the buffer only when requiered
94 * @param[in] context The GL context
95 * @param[in] isIndexBuffer True if the buffer is used as an index buffer
97 bool Update( Context& context, bool isIndexBuffer );
100 * Enable the vertex attributes for each vertex buffer from the corresponding
102 * @param[in] context The GL context
103 * @param[in] vAttributeLocation Vector containing attributes location for current program
104 * @param[in] locationBase Index in vAttributeLocation corresponding to the first attribute defined by this buffer
106 unsigned int EnableVertexAttributes( Context& context, Vector<GLint>& vAttributeLocation, unsigned int locationBase );
109 * Get the number of attributes present in the buffer
110 * @return The number of attributes stored in this buffer
112 inline unsigned int GetAttributeCount() const
114 DALI_ASSERT_DEBUG( mFormat && "Format should be set ");
115 return mFormat->components.size();
119 * Retrieve the i-essim attribute name
120 * @param[in] index The index of the attribute
121 * @return The name of the attribute
123 inline const std::string& GetAttributeName(unsigned int index ) const
125 DALI_ASSERT_DEBUG( mFormat && "Format should be set ");
126 return mFormat->components[index].name;
130 * Retrieve the size of the buffer in bytes
131 * @return The total size of the buffer
133 inline std::size_t GetDataSize() const
135 DALI_ASSERT_DEBUG( mFormat && "Format should be set ");
136 return mFormat->size * mSize;
140 * Retrieve the size of one element of the buffer
141 * @return The size of one element
143 inline std::size_t GetElementSize() const
145 DALI_ASSERT_DEBUG( mFormat && "Format should be set ");
146 return mFormat->size;
150 * Retrieve the number of elements in the buffer
151 * @return The total number of elements
153 inline unsigned int GetElementCount() const
159 OwnerPointer< PropertyBuffer::Format > mFormat; ///< Format of the buffer
160 OwnerPointer< Dali::Vector< char > > mData; ///< Data
161 OwnerPointer<GpuBuffer> mGpuBuffer; ///< Pointer to the GpuBuffer associated with this RenderPropertyBuffer
163 size_t mSize; ///< Number of Elements in the buffer
164 bool mDataChanged; ///< Flag to know if data has changed in a frame
168 } // namespace Render
172 } // namespace Internal
176 #endif // DALI_INTERNAL_RENDER_PROPERTY_BUFFER_H