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>
42 * This class encapsulates the GPU buffers. It is used to upload vertex data
43 * to it's GPU buffers, to bind all the buffers and to setup/teardown vertex attribute
49 using Type = Dali::Geometry::Type;
59 * Adds a property buffer to the geometry
60 * @param[in] dataProvider The VertexBuffer data provider
62 void AddVertexBuffer(Render::VertexBuffer* vertexBuffer);
65 * Set the data for the index buffer to be used by the geometry
66 * @param[in] indices A vector containing the indices
68 void SetIndexBuffer(Dali::Vector<uint16_t>& indices);
71 * Removes a VertexBuffer from the geometry
72 * @param[in] vertexBuffer The property buffer to be removed
74 void RemoveVertexBuffer(const Render::VertexBuffer* vertexBuffer);
77 * Get the vertex buffers
78 * @return the list of vertex buffers
80 const Vector<Render::VertexBuffer*>& GetVertexBuffers() const;
83 * Called from RenderManager to notify the geometry that current rendering pass has finished.
85 void OnRenderFinished();
88 * Check if the attributes for the geometry have changed
89 * @return True if vertex buffers have been added or removed since last frame, false otherwise
91 bool AttributesChanged() const
93 return mAttributesChanged;
97 * Sets the geometry type
98 * @param[in] type The new geometry type
100 void SetType(Type type)
102 mGeometryType = type;
106 * @return the topology of this geometry
108 Graphics::PrimitiveTopology GetTopology() const;
111 * Upload the geometry if it has changed
113 void Upload(Graphics::Controller& graphicsController);
116 * Set up the attributes and perform the Draw call corresponding to the geometry type.
118 * @param[in] graphicsController The graphics controller
119 * @param[in] bufferIndex The current buffer index
120 * @param[in] elementBufferOffset The index of first element to draw if index buffer bound
121 * @param[in] elementBufferCount Number of elements to draw if index buffer bound, uses whole buffer when 0
122 * @return true if the draw command was issued, false otherwise
124 bool Draw(Graphics::Controller& graphicsController,
125 Graphics::CommandBuffer& commandBuffer,
126 uint32_t elementBufferOffset,
127 uint32_t elementBufferCount);
131 Vector<Render::VertexBuffer*> mVertexBuffers;
133 Dali::Vector<uint16_t> mIndices;
134 OwnerPointer<GpuBuffer> mIndexBuffer;
138 bool mIndicesChanged : 1;
139 bool mHasBeenUpdated : 1;
140 bool mAttributesChanged : 1;
143 } // namespace Render
144 } // namespace Internal
147 #endif // DALI_INTERNAL_RENDER_GEOMETRY_H