1 #ifndef _RRPRIMITIVEPACKET_HPP 2 #define _RRPRIMITIVEPACKET_HPP 3 /*------------------------------------------------------------------------- 4 * drawElements Quality Program Reference Renderer 5 * ----------------------------------------------- 6 * 7 * Copyright 2014 The Android Open Source Project 8 * 9 * Licensed under the Apache License, Version 2.0 (the "License"); 10 * you may not use this file except in compliance with the License. 11 * You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 * 21 *//*! 22 * \file 23 * \brief Primitive packet 24 *//*--------------------------------------------------------------------*/ 25 26 #include "rrDefs.hpp" 27 #include "rrGenericVector.hpp" 28 29 #include <vector> 30 31 namespace rr 32 { 33 34 struct VertexPacket; 35 class VertexPacketAllocator; 36 37 /*--------------------------------------------------------------------*//*! 38 * \brief Geometry packet 39 * 40 * Geometry packet contains inputs for geometry shading. 41 *//*--------------------------------------------------------------------*/ 42 struct PrimitivePacket 43 { 44 int primitiveIDIn; 45 const VertexPacket *vertices[6]; 46 } DE_WARN_UNUSED_TYPE; 47 48 /*--------------------------------------------------------------------*//*! 49 * \brief Geometry emitter 50 * 51 * Geometry emitter handles outputting of new vertices from geometry shader 52 *//*--------------------------------------------------------------------*/ 53 class GeometryEmitter 54 { 55 public: 56 GeometryEmitter(VertexPacketAllocator &vpalloc, size_t numVertices); 57 58 void EmitVertex(const tcu::Vec4 &position, float pointSize, const GenericVec4 *varyings, int primitiveID); 59 void EndPrimitive(void); 60 61 void moveEmittedTo(std::vector<VertexPacket *> &); 62 63 private: 64 GeometryEmitter(const GeometryEmitter &); 65 GeometryEmitter &operator=(const GeometryEmitter &); 66 67 std::vector<VertexPacket *> m_emitted; //!< NULL elements mean primitive end 68 VertexPacketAllocator &m_vpalloc; 69 size_t m_numEmitted; 70 size_t m_maxVertices; 71 72 } DE_WARN_UNUSED_TYPE; 73 74 } // namespace rr 75 76 #endif // _RRPRIMITIVEPACKET_HPP 77