#ifndef _RRPRIMITIVEPACKET_HPP
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#define _RRPRIMITIVEPACKET_HPP
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/*-------------------------------------------------------------------------
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* drawElements Quality Program Reference Renderer
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* -----------------------------------------------
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*
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* Copyright 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*//*!
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* \file
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* \brief Primitive packet
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*//*--------------------------------------------------------------------*/
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#include "rrDefs.hpp"
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#include "rrGenericVector.hpp"
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#include <vector>
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namespace rr
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{
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struct VertexPacket;
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class VertexPacketAllocator;
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/*--------------------------------------------------------------------*//*!
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* \brief Geometry packet
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*
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* Geometry packet contains inputs for geometry shading.
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*//*--------------------------------------------------------------------*/
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struct PrimitivePacket
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{
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int primitiveIDIn;
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const VertexPacket* vertices[6];
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} DE_WARN_UNUSED_TYPE;
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/*--------------------------------------------------------------------*//*!
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* \brief Geometry emitter
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*
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* Geometry emitter handles outputting of new vertices from geometry shader
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*//*--------------------------------------------------------------------*/
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class GeometryEmitter
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{
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public:
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GeometryEmitter (VertexPacketAllocator& vpalloc, size_t numVertices);
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void EmitVertex (const tcu::Vec4& position, float pointSize, const GenericVec4* varyings, int primitiveID);
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void EndPrimitive (void);
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void moveEmittedTo (std::vector<VertexPacket*>&);
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private:
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GeometryEmitter (const GeometryEmitter&);
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GeometryEmitter& operator= (const GeometryEmitter&);
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std::vector<VertexPacket*> m_emitted; //!< NULL elements mean primitive end
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VertexPacketAllocator& m_vpalloc;
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size_t m_numEmitted;
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size_t m_maxVertices;
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} DE_WARN_UNUSED_TYPE;
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} // rr
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#endif // _RRPRIMITIVEPACKET_HPP
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