| 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://www.ogre3d.org/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 | #include "EdgeBuilderTests.h"
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| 26 | #include "OgreDefaultHardwareBufferManager.h"
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| 27 | #include "OgreVertexIndexData.h"
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| 28 | #include "OgreEdgeListBuilder.h"
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| 29 |
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| 30 | // Regsiter the suite
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| 31 | CPPUNIT_TEST_SUITE_REGISTRATION( EdgeBuilderTests );
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| 32 |
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| 33 | void EdgeBuilderTests::setUp()
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| 34 | {
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| 35 | mBufMgr = new DefaultHardwareBufferManager();
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| 36 | //mLogMgr = new LogManager();
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| 37 | LogManager::getSingleton().createLog("EdgeBuilderTests.log", true);
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| 38 | }
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| 39 | void EdgeBuilderTests::tearDown()
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| 40 | {
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| 41 | delete mBufMgr;
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| 42 | //delete mLogMgr;
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| 43 | }
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| 44 |
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| 45 | void EdgeBuilderTests::testSingleIndexBufSingleVertexBuf()
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| 46 | {
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| 47 | /* This tests the edge builders ability to find shared edges in the simple case
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| 48 | of a single index buffer referencing a single vertex buffer
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| 49 | */
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| 50 | VertexData vd;
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| 51 | IndexData id;
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| 52 | // Test pyramid
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| 53 | vd.vertexCount = 4;
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| 54 | vd.vertexStart = 0;
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| 55 | vd.vertexDeclaration = HardwareBufferManager::getSingleton().createVertexDeclaration();
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| 56 | vd.vertexDeclaration->addElement(0, 0, VET_FLOAT3, VES_POSITION);
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| 57 | HardwareVertexBufferSharedPtr vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(sizeof(float)*3, 4, HardwareBuffer::HBU_STATIC,true);
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| 58 | vd.vertexBufferBinding->setBinding(0, vbuf);
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| 59 | float* pFloat = static_cast<float*>(vbuf->lock(HardwareBuffer::HBL_DISCARD));
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| 60 | *pFloat++ = 0 ; *pFloat++ = 0 ; *pFloat++ = 0 ;
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| 61 | *pFloat++ = 50 ; *pFloat++ = 0 ; *pFloat++ = 0 ;
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| 62 | *pFloat++ = 0 ; *pFloat++ = 100; *pFloat++ = 0 ;
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| 63 | *pFloat++ = 0 ; *pFloat++ = 0 ; *pFloat++ = -50;
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| 64 | vbuf->unlock();
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| 65 |
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| 66 | id.indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(
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| 67 | HardwareIndexBuffer::IT_16BIT, 12, HardwareBuffer::HBU_STATIC, true);
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| 68 | id.indexCount = 12;
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| 69 | id.indexStart = 0;
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| 70 | unsigned short* pIdx = static_cast<unsigned short*>(id.indexBuffer->lock(HardwareBuffer::HBL_DISCARD));
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| 71 | *pIdx++ = 0; *pIdx++ = 1; *pIdx++ = 2;
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| 72 | *pIdx++ = 0; *pIdx++ = 2; *pIdx++ = 3;
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| 73 | *pIdx++ = 1; *pIdx++ = 3; *pIdx++ = 2;
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| 74 | *pIdx++ = 0; *pIdx++ = 3; *pIdx++ = 1;
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| 75 | id.indexBuffer->unlock();
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| 76 |
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| 77 | EdgeListBuilder edgeBuilder;
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| 78 | edgeBuilder.addVertexData(&vd);
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| 79 | edgeBuilder.addIndexData(&id);
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| 80 | EdgeData* edgeData = edgeBuilder.build();
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| 81 |
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| 82 | // Should be only one group, since only one vertex buffer
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| 83 | CPPUNIT_ASSERT(edgeData->edgeGroups.size() == 1);
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| 84 | // 4 tris
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| 85 | CPPUNIT_ASSERT(edgeData->triangles.size() == 4);
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| 86 | EdgeData::EdgeGroup& eg = edgeData->edgeGroups[0];
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| 87 | // 6 edges
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| 88 | CPPUNIT_ASSERT(eg.edges.size() == 6);
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| 89 |
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| 90 | delete edgeData;
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| 91 |
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| 92 |
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| 93 | }
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| 94 |
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| 95 | void EdgeBuilderTests::testMultiIndexBufSingleVertexBuf()
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| 96 | {
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| 97 | /* This tests the edge builders ability to find shared edges when there are
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| 98 | multiple index sets (submeshes) using a single vertex buffer.
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| 99 | */
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| 100 | VertexData vd;
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| 101 | IndexData id[4];
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| 102 | // Test pyramid
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| 103 | vd.vertexCount = 4;
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| 104 | vd.vertexStart = 0;
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| 105 | vd.vertexDeclaration = HardwareBufferManager::getSingleton().createVertexDeclaration();
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| 106 | vd.vertexDeclaration->addElement(0, 0, VET_FLOAT3, VES_POSITION);
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| 107 | HardwareVertexBufferSharedPtr vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(sizeof(float)*3, 4, HardwareBuffer::HBU_STATIC,true);
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| 108 | vd.vertexBufferBinding->setBinding(0, vbuf);
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| 109 | float* pFloat = static_cast<float*>(vbuf->lock(HardwareBuffer::HBL_DISCARD));
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| 110 | *pFloat++ = 0 ; *pFloat++ = 0 ; *pFloat++ = 0 ;
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| 111 | *pFloat++ = 50 ; *pFloat++ = 0 ; *pFloat++ = 0 ;
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| 112 | *pFloat++ = 0 ; *pFloat++ = 100; *pFloat++ = 0 ;
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| 113 | *pFloat++ = 0 ; *pFloat++ = 0 ; *pFloat++ = -50;
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| 114 | vbuf->unlock();
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| 115 |
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| 116 | id[0].indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(
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| 117 | HardwareIndexBuffer::IT_16BIT, 3, HardwareBuffer::HBU_STATIC, true);
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| 118 | id[0].indexCount = 3;
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| 119 | id[0].indexStart = 0;
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| 120 | unsigned short* pIdx = static_cast<unsigned short*>(id[0].indexBuffer->lock(HardwareBuffer::HBL_DISCARD));
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| 121 | *pIdx++ = 0; *pIdx++ = 1; *pIdx++ = 2;
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| 122 | id[0].indexBuffer->unlock();
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| 123 |
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| 124 | id[1].indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(
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| 125 | HardwareIndexBuffer::IT_16BIT, 3, HardwareBuffer::HBU_STATIC, true);
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| 126 | id[1].indexCount = 3;
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| 127 | id[1].indexStart = 0;
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| 128 | pIdx = static_cast<unsigned short*>(id[1].indexBuffer->lock(HardwareBuffer::HBL_DISCARD));
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| 129 | *pIdx++ = 0; *pIdx++ = 2; *pIdx++ = 3;
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| 130 | id[1].indexBuffer->unlock();
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| 131 |
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| 132 | id[2].indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(
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| 133 | HardwareIndexBuffer::IT_16BIT, 3, HardwareBuffer::HBU_STATIC, true);
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| 134 | id[2].indexCount = 3;
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| 135 | id[2].indexStart = 0;
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| 136 | pIdx = static_cast<unsigned short*>(id[2].indexBuffer->lock(HardwareBuffer::HBL_DISCARD));
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| 137 | *pIdx++ = 1; *pIdx++ = 3; *pIdx++ = 2;
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| 138 | id[2].indexBuffer->unlock();
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| 139 |
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| 140 | id[3].indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(
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| 141 | HardwareIndexBuffer::IT_16BIT, 3, HardwareBuffer::HBU_STATIC, true);
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| 142 | id[3].indexCount = 3;
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| 143 | id[3].indexStart = 0;
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| 144 | pIdx = static_cast<unsigned short*>(id[3].indexBuffer->lock(HardwareBuffer::HBL_DISCARD));
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| 145 | *pIdx++ = 0; *pIdx++ = 3; *pIdx++ = 1;
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| 146 | id[3].indexBuffer->unlock();
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| 147 |
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| 148 | EdgeListBuilder edgeBuilder;
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| 149 | edgeBuilder.addVertexData(&vd);
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| 150 | edgeBuilder.addIndexData(&id[0]);
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| 151 | edgeBuilder.addIndexData(&id[1]);
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| 152 | edgeBuilder.addIndexData(&id[2]);
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| 153 | edgeBuilder.addIndexData(&id[3]);
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| 154 | EdgeData* edgeData = edgeBuilder.build();
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| 155 |
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| 156 | // Should be only one group, since only one vertex buffer
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| 157 | CPPUNIT_ASSERT(edgeData->edgeGroups.size() == 1);
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| 158 | // 4 tris
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| 159 | CPPUNIT_ASSERT(edgeData->triangles.size() == 4);
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| 160 | EdgeData::EdgeGroup& eg = edgeData->edgeGroups[0];
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| 161 | // 6 edges
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| 162 | CPPUNIT_ASSERT(eg.edges.size() == 6);
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| 163 |
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| 164 | delete edgeData;
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| 165 |
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| 166 |
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| 167 | }
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| 168 |
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| 169 |
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| 170 | void EdgeBuilderTests::testMultiIndexBufMultiVertexBuf()
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| 171 | {
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| 172 | /* This tests the edge builders ability to find shared edges when there are
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| 173 | both multiple index sets (submeshes) each using a different vertex buffer
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| 174 | (not using shared geoemtry).
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| 175 | */
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| 176 |
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| 177 | VertexData vd[4];
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| 178 | IndexData id[4];
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| 179 | // Test pyramid
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| 180 | vd[0].vertexCount = 3;
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| 181 | vd[0].vertexStart = 0;
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| 182 | vd[0].vertexDeclaration = HardwareBufferManager::getSingleton().createVertexDeclaration();
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| 183 | vd[0].vertexDeclaration->addElement(0, 0, VET_FLOAT3, VES_POSITION);
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| 184 | HardwareVertexBufferSharedPtr vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(sizeof(float)*3, 3, HardwareBuffer::HBU_STATIC,true);
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| 185 | vd[0].vertexBufferBinding->setBinding(0, vbuf);
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| 186 | float* pFloat = static_cast<float*>(vbuf->lock(HardwareBuffer::HBL_DISCARD));
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| 187 | *pFloat++ = 0 ; *pFloat++ = 0 ; *pFloat++ = 0 ;
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| 188 | *pFloat++ = 50 ; *pFloat++ = 0 ; *pFloat++ = 0 ;
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| 189 | *pFloat++ = 0 ; *pFloat++ = 100; *pFloat++ = 0 ;
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| 190 | vbuf->unlock();
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| 191 |
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| 192 | vd[1].vertexCount = 3;
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| 193 | vd[1].vertexStart = 0;
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| 194 | vd[1].vertexDeclaration = HardwareBufferManager::getSingleton().createVertexDeclaration();
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| 195 | vd[1].vertexDeclaration->addElement(0, 0, VET_FLOAT3, VES_POSITION);
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| 196 | vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(sizeof(float)*3, 3, HardwareBuffer::HBU_STATIC,true);
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| 197 | vd[1].vertexBufferBinding->setBinding(0, vbuf);
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| 198 | pFloat = static_cast<float*>(vbuf->lock(HardwareBuffer::HBL_DISCARD));
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| 199 | *pFloat++ = 0 ; *pFloat++ = 0 ; *pFloat++ = 0 ;
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| 200 | *pFloat++ = 0 ; *pFloat++ = 100; *pFloat++ = 0 ;
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| 201 | *pFloat++ = 0 ; *pFloat++ = 0 ; *pFloat++ = -50;
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| 202 | vbuf->unlock();
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| 203 |
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| 204 | vd[2].vertexCount = 3;
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| 205 | vd[2].vertexStart = 0;
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| 206 | vd[2].vertexDeclaration = HardwareBufferManager::getSingleton().createVertexDeclaration();
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| 207 | vd[2].vertexDeclaration->addElement(0, 0, VET_FLOAT3, VES_POSITION);
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| 208 | vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(sizeof(float)*3, 3, HardwareBuffer::HBU_STATIC,true);
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| 209 | vd[2].vertexBufferBinding->setBinding(0, vbuf);
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| 210 | pFloat = static_cast<float*>(vbuf->lock(HardwareBuffer::HBL_DISCARD));
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| 211 | *pFloat++ = 50 ; *pFloat++ = 0 ; *pFloat++ = 0 ;
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| 212 | *pFloat++ = 0 ; *pFloat++ = 100; *pFloat++ = 0 ;
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| 213 | *pFloat++ = 0 ; *pFloat++ = 0 ; *pFloat++ = -50;
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| 214 | vbuf->unlock();
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| 215 |
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| 216 | vd[3].vertexCount = 3;
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| 217 | vd[3].vertexStart = 0;
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| 218 | vd[3].vertexDeclaration = HardwareBufferManager::getSingleton().createVertexDeclaration();
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| 219 | vd[3].vertexDeclaration->addElement(0, 0, VET_FLOAT3, VES_POSITION);
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| 220 | vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(sizeof(float)*3, 3, HardwareBuffer::HBU_STATIC,true);
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| 221 | vd[3].vertexBufferBinding->setBinding(0, vbuf);
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| 222 | pFloat = static_cast<float*>(vbuf->lock(HardwareBuffer::HBL_DISCARD));
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| 223 | *pFloat++ = 0 ; *pFloat++ = 0 ; *pFloat++ = 0 ;
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| 224 | *pFloat++ = 50 ; *pFloat++ = 0 ; *pFloat++ = 0 ;
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| 225 | *pFloat++ = 0 ; *pFloat++ = 0 ; *pFloat++ = -50;
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| 226 | vbuf->unlock();
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| 227 |
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| 228 | id[0].indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(
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| 229 | HardwareIndexBuffer::IT_16BIT, 3, HardwareBuffer::HBU_STATIC, true);
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| 230 | id[0].indexCount = 3;
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| 231 | id[0].indexStart = 0;
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| 232 | unsigned short* pIdx = static_cast<unsigned short*>(id[0].indexBuffer->lock(HardwareBuffer::HBL_DISCARD));
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| 233 | *pIdx++ = 0; *pIdx++ = 1; *pIdx++ = 2;
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| 234 | id[0].indexBuffer->unlock();
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| 235 |
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| 236 | id[1].indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(
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| 237 | HardwareIndexBuffer::IT_16BIT, 3, HardwareBuffer::HBU_STATIC, true);
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| 238 | id[1].indexCount = 3;
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| 239 | id[1].indexStart = 0;
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| 240 | pIdx = static_cast<unsigned short*>(id[1].indexBuffer->lock(HardwareBuffer::HBL_DISCARD));
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| 241 | *pIdx++ = 0; *pIdx++ = 1; *pIdx++ = 2;
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| 242 | id[1].indexBuffer->unlock();
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| 243 |
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| 244 | id[2].indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(
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| 245 | HardwareIndexBuffer::IT_16BIT, 3, HardwareBuffer::HBU_STATIC, true);
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| 246 | id[2].indexCount = 3;
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| 247 | id[2].indexStart = 0;
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| 248 | pIdx = static_cast<unsigned short*>(id[2].indexBuffer->lock(HardwareBuffer::HBL_DISCARD));
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| 249 | *pIdx++ = 0; *pIdx++ = 2; *pIdx++ = 1;
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| 250 | id[2].indexBuffer->unlock();
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| 251 |
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| 252 | id[3].indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(
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| 253 | HardwareIndexBuffer::IT_16BIT, 3, HardwareBuffer::HBU_STATIC, true);
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| 254 | id[3].indexCount = 3;
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| 255 | id[3].indexStart = 0;
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| 256 | pIdx = static_cast<unsigned short*>(id[3].indexBuffer->lock(HardwareBuffer::HBL_DISCARD));
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| 257 | *pIdx++ = 0; *pIdx++ = 2; *pIdx++ = 1;
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| 258 | id[3].indexBuffer->unlock();
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| 259 |
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| 260 | EdgeListBuilder edgeBuilder;
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| 261 | edgeBuilder.addVertexData(&vd[0]);
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| 262 | edgeBuilder.addVertexData(&vd[1]);
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| 263 | edgeBuilder.addVertexData(&vd[2]);
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| 264 | edgeBuilder.addVertexData(&vd[3]);
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| 265 | edgeBuilder.addIndexData(&id[0], 0);
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| 266 | edgeBuilder.addIndexData(&id[1], 1);
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| 267 | edgeBuilder.addIndexData(&id[2], 2);
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| 268 | edgeBuilder.addIndexData(&id[3], 3);
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| 269 | EdgeData* edgeData = edgeBuilder.build();
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| 270 |
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| 271 | // Should be 4 groups
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| 272 | CPPUNIT_ASSERT(edgeData->edgeGroups.size() == 4);
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| 273 | // 4 tris
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| 274 | CPPUNIT_ASSERT(edgeData->triangles.size() == 4);
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| 275 | // 6 edges in total
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| 276 | CPPUNIT_ASSERT(
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| 277 | (edgeData->edgeGroups[0].edges.size() +
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| 278 | edgeData->edgeGroups[1].edges.size() +
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| 279 | edgeData->edgeGroups[2].edges.size() +
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| 280 | edgeData->edgeGroups[3].edges.size())
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| 281 | == 6);
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| 282 |
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| 283 | delete edgeData;
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| 284 |
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| 285 |
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| 286 | }
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