1 #ifndef DALI_INTERNAL_RENDER_GEOMETRY_H
2 #define DALI_INTERNAL_RENDER_GEOMETRY_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.
20 #include <dali/public-api/common/dali-vector.h>
21 #include <dali/devel-api/common/owner-container.h>
22 #include <dali/devel-api/rendering/geometry.h>
23 #include <dali/internal/common/owner-pointer.h>
24 #include <dali/integration-api/gl-defines.h>
25 #include <dali/internal/common/buffer-index.h>
26 #include <dali/internal/common/owner-pointer.h>
27 #include <dali/integration-api/gl-abstraction.h>
28 #include <dali/devel-api/rendering/geometry.h>
44 * This class encapsulates the GPU buffers. It is used to upload vertex data
45 * to it's GPU buffers, to bind all the buffers and to setup/teardown vertex attribute
51 typedef Dali::Geometry::GeometryType GeometryType;
61 * Called on Gl Context created
63 void GlContextCreated( Context& context );
66 * Called on Gl Context destroyed.
68 void GlContextDestroyed();
71 * Adds a property buffer to the geometry
72 * @param[in] dataProvider The PropertyBuffer data provider
74 void AddPropertyBuffer( Render::PropertyBuffer* propertyBuffer );
77 * Set the data for the index buffer to be used by the geometry
78 * @param[in] indices A vector containing the indices
80 void SetIndexBuffer( Dali::Vector<unsigned short>& indices );
83 * Removes a PropertyBuffer from the geometry
84 * @param[in] propertyBuffer The property buffer to be removed
86 void RemovePropertyBuffer( const Render::PropertyBuffer* propertyBuffer );
89 * Gets the attribute locations on the shader for the attributes defined in the geometry RenderBuffers
90 * @param[out] attributeLocation The vector where the attributes locations will be stored
91 * @param[in] program The program
92 * @param[in] bufferIndex The current buffer index
94 void GetAttributeLocationFromProgram( Vector<GLint>& attributeLocation, Program& program, BufferIndex bufferIndex ) const;
97 * Called from RenderManager to notify the geometry that current rendering pass has finished.
99 void OnRenderFinished();
102 * Chack if the attributes for the geometry have changed
103 * @return True if vertex buffers have been added or removed since last frame, false otherwise
105 bool AttributesChanged() const
107 return mAttributesChanged;
111 * Sets the geometry type
112 * @param[in] type The new geometry type
114 void SetGeometryType( GeometryType type )
116 mGeometryType = type;
120 * Upload the geometry if it has changed, set up the attributes and perform
121 * the Draw call corresponding to the geometry type
122 * @param[in] context The GL context
123 * @param[in] bufferIndex The current buffer index
124 * @param[in] attributeLocation The location for the attributes in the shader
125 * @param[in] elementBufferOffset The index of first element to draw if index buffer bound
126 * @param[in] elementBufferCount Number of elements to draw if index buffer bound
128 void UploadAndDraw(Context& context,
129 BufferIndex bufferIndex,
130 Vector<GLint>& attributeLocation,
131 size_t elementBufferOffset,
132 size_t elementBufferCount );
137 Vector< Render::PropertyBuffer* > mVertexBuffers;
139 Dali::Vector< unsigned short> mIndices;
140 OwnerPointer< GpuBuffer > mIndexBuffer;
141 GeometryType mGeometryType;
144 bool mIndicesChanged : 1;
145 bool mHasBeenUpdated : 1;
146 bool mAttributesChanged : 1;
150 } // namespace Render
151 } // namespace Internal
154 #endif // DALI_INTERNAL_RENDER_GEOMETRY_H