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72 lines
1.9 KiB
72 lines
1.9 KiB
/*------------------------------------------------------------------------- |
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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 "rrPrimitivePacket.hpp" |
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#include "rrVertexPacket.hpp" |
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namespace rr |
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{ |
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GeometryEmitter::GeometryEmitter (VertexPacketAllocator& vpalloc, size_t numVertices) |
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: m_vpalloc (vpalloc) |
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, m_numEmitted (0) |
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, m_maxVertices (numVertices) |
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{ |
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} |
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void GeometryEmitter::EmitVertex (const tcu::Vec4& position, float pointSize, const GenericVec4* varyings, int primitiveID) |
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{ |
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VertexPacket* packet; |
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if (++m_numEmitted > m_maxVertices) |
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{ |
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DE_FATAL("Undefined results, too many vertices emitted."); |
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return; |
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} |
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packet = m_vpalloc.alloc(); |
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packet->position = position; |
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packet->pointSize = pointSize; |
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packet->primitiveID = primitiveID; |
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for (size_t ndx = 0; ndx < m_vpalloc.getNumVertexOutputs(); ++ndx) |
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packet->outputs[ndx] = varyings[ndx]; |
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m_emitted.push_back(packet); |
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} |
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void GeometryEmitter::EndPrimitive (void) |
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{ |
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m_numEmitted = 0; |
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m_emitted.push_back(DE_NULL); |
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} |
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void GeometryEmitter::moveEmittedTo (std::vector<VertexPacket*>& output) |
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{ |
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m_emitted.swap(output); |
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m_emitted.clear(); |
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} |
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} // rr
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