1 #ifndef DALI_INTERNAL_RENDER_GEOMETRY_H
2 #define DALI_INTERNAL_RENDER_GEOMETRY_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/common/owner-container.h>
22 #include <dali/graphics-api/graphics-controller.h>
23 #include <dali/integration-api/gl-abstraction.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/public-api/common/dali-vector.h>
28 #include <dali/public-api/rendering/geometry.h>
43 * This class encapsulates the GPU buffers. It is used to upload vertex data
44 * to it's GPU buffers, to bind all the buffers and to setup/teardown vertex attribute
50 using Type = Dali::Geometry::Type;
60 * Adds a property buffer to the geometry
61 * @param[in] dataProvider The VertexBuffer data provider
63 void AddVertexBuffer(Render::VertexBuffer* vertexBuffer);
66 * Set the data for the index buffer to be used by the geometry
67 * @param[in] indices A vector containing the indices
69 void SetIndexBuffer(Dali::Vector<uint16_t>& indices);
72 * Removes a VertexBuffer from the geometry
73 * @param[in] vertexBuffer The property buffer to be removed
75 void RemoveVertexBuffer(const Render::VertexBuffer* vertexBuffer);
78 * Get the vertex buffers
79 * @return the list of vertex buffers
81 const Vector<Render::VertexBuffer*>& GetVertexBuffers() const;
84 * Called from RenderManager to notify the geometry that current rendering pass has finished.
86 void OnRenderFinished();
89 * Check if the attributes for the geometry have changed
90 * @return True if vertex buffers have been added or removed since last frame, false otherwise
92 bool AttributesChanged() const
94 return mAttributesChanged;
98 * Sets the geometry type
99 * @param[in] type The new geometry type
101 void SetType(Type type)
103 mGeometryType = type;
107 * @return the topology of this geometry
109 Graphics::PrimitiveTopology GetTopology() const;
112 * Upload the geometry if it has changed
114 void Upload(Graphics::Controller& graphicsController);
117 * Set up the attributes and perform the Draw call corresponding to the geometry type.
119 * @param[in] context The GL context @todo remove
120 * @param[in] graphicsController The graphics controller
121 * @param[in] bufferIndex The current buffer index
122 * @param[in] attributeLocation The location for the attributes in the shader
123 * @param[in] elementBufferOffset The index of first element to draw if index buffer bound
124 * @param[in] elementBufferCount Number of elements to draw if index buffer bound, uses whole buffer when 0
125 * @return true if the draw command was issued, false otherwise
127 bool Draw(Graphics::Controller& graphicsController,
128 Graphics::CommandBuffer& commandBuffer,
129 uint32_t elementBufferOffset,
130 uint32_t elementBufferCount);
134 Vector<Render::VertexBuffer*> mVertexBuffers;
136 Dali::Vector<uint16_t> mIndices;
137 OwnerPointer<GpuBuffer> mIndexBuffer;
141 bool mIndicesChanged : 1;
142 bool mHasBeenUpdated : 1;
143 bool mAttributesChanged : 1;
146 } // namespace Render
147 } // namespace Internal
150 #endif // DALI_INTERNAL_RENDER_GEOMETRY_H