//--------------------------------------------------------------------------------------------------
/// Set the render mode (immediate, vertex array or VBO) to use when rendering the geometry
//--------------------------------------------------------------------------------------------------
void DrawableGeo::setRenderMode(RenderMode renderMode)
{
if (m_renderMode != renderMode)
{
m_renderMode = renderMode;
releaseBufferObjectsGPU();
}
}
//--------------------------------------------------------------------------------------------------
/// Weld vertices based on vertex distance
///
/// \warning Calling this function will delete all vertex related data except the vertex positions
//--------------------------------------------------------------------------------------------------
void DrawableGeo::weldVertices(double weldDistance)
{
size_t numVertices = m_vertexBundle->vertexCount();
size_t numPrimSets = m_primitiveSets.size();
if (numVertices == 0 || numPrimSets == 0)
{
return;
}
cref<Vec3fArray> sourceVertexArray = m_vertexBundle->vertexArray();
CVF_ASSERT(sourceVertexArray.notNull());
// Try and use bounding box to guess cell size
// Probably needs more experimenting here
double cellSize = m_boundingBox.radius()/100;
VertexWelder welder;
welder.initialize(weldDistance, cellSize, static_cast<uint>(numVertices));
welder.reserveVertices(static_cast<uint>(numVertices));
Collection<PrimitiveSet> newPrimSets;
size_t ip;
for (ip = 0; ip < numPrimSets; ip++)
{
const PrimitiveSet* srcPrimSet = m_primitiveSets.at(ip);
PrimitiveType primType = srcPrimSet->primitiveType();
size_t numIndices = srcPrimSet->indexCount();
ref<UIntArray> newIndices = new UIntArray;
newIndices->reserve(numIndices);
size_t i;
for (i = 0; i < numIndices; i++)
{
uint idx = srcPrimSet->index(i);
Vec3f v = sourceVertexArray->get(idx);
uint newIndexOfVertex = welder.weldVertex(v, NULL);
newIndices->add(newIndexOfVertex);
}
ref<PrimitiveSetIndexedUInt> primSet = new PrimitiveSetIndexedUInt(primType);
primSet->setIndices(newIndices.p());
newPrimSets.push_back(primSet.p());
}
releaseBufferObjectsGPU();
m_vertexBundle->clear();
m_vertexBundle->setVertexArray(welder.createVertexArray().p());
m_primitiveSets = newPrimSets;
recomputeBoundingBox();
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void DrawableVectors::setGlyph(UShortArray* triangles, Vec3fArray* vertices)
{
m_vectorGlyph = new DrawableGeo;
m_vectorGlyphPrimSet = new PrimitiveSetIndexedUShort(PT_TRIANGLES);
m_vectorGlyphPrimSet->setIndices(triangles);
m_vectorGlyph->setVertexArray(vertices);
m_vectorGlyph->addPrimitiveSet(m_vectorGlyphPrimSet.p());
m_vectorGlyph->computeNormals();
if (m_renderWithVBO)
{
m_vectorGlyph->setRenderMode(DrawableGeo::BUFFER_OBJECT);
}
releaseBufferObjectsGPU();
}
//--------------------------------------------------------------------------------------------------
/// Deletes OpenGL resources created by this primitive set
//--------------------------------------------------------------------------------------------------
PrimitiveSetIndexedUInt::~PrimitiveSetIndexedUInt()
{
releaseBufferObjectsGPU();
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
DrawableVectors::~DrawableVectors()
{
releaseBufferObjectsGPU();
}
//--------------------------------------------------------------------------------------------------
/// Deletes all OpenGL resources created by this drawable geo
//--------------------------------------------------------------------------------------------------
DrawableGeo::~DrawableGeo()
{
releaseBufferObjectsGPU();
}
//--------------------------------------------------------------------------------------------------
/// Deletes OpenGL resources created by this primitive set
//--------------------------------------------------------------------------------------------------
PrimitiveSetIndexedUShortScoped::~PrimitiveSetIndexedUShortScoped()
{
releaseBufferObjectsGPU();
}
