Skip to content

U
Unterteilungsalgorithmen
Commit 6883649b by Kai Westerkamp Committed by Philipp Adolf
Options

JAAAAAAAAAAAAAAAAAAAAAAAA FIXED IT

parent 07e28ea6
Showing with 74 additions and 36 deletions
QTProject/mesh.cpp
......@@ -40,22 +40,24 @@ void Mesh::SubdivEntry::init(QOpenGLFunctions_4_3_Core *f,QVector<Vertex>& Verti
f->glBufferData(GL_ARRAY_BUFFER, sizeof(Vertex) * Vertices.size(), &Vertices[0], GL_STATIC_DRAW);
QVector<unsigned int> patches;
this->init(f, VB_handle, Vertices, Vertices, Indices_irregular, patches);
this->init(f, VB_handle, Vertices, Vertices, Indices_irregular, patches,patches);
}
void Mesh::SubdivEntry::init(QOpenGLFunctions_4_3_Core *f, GLuint VB_handle, QVector<Vertex>& Vertices, QVector<Vertex>& Vertices_irregular,
QVector<unsigned int>& Indices_irregular, QVector<unsigned int>& patches){
QVector<unsigned int>& Indices_irregular, QVector<unsigned int>& patches,QVector<unsigned int>& Indices_extra){
this->f = f;
this->VB_handle = VB_handle;
vertices = Vertices;
indices_irregular = Indices_irregular;
indices_regular = patches;
indices_extra = Indices_extra;
qCDebug(log_mesh) << "Vertices" << vertices.length();
qCDebug(log_mesh) << "Vertices Irregular" << Vertices_irregular.length();
qCDebug(log_mesh) << "Indices irregular" << indices_irregular.length();
qCDebug(log_mesh) << "Indices patches" << patches.length();
qCDebug(log_mesh) << "Indices extra" << Indices_extra.length();
f->glGenBuffers(1, &VB_handle_irregular);
f->glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, VB_handle_irregular);
......@@ -71,6 +73,11 @@ void Mesh::SubdivEntry::init(QOpenGLFunctions_4_3_Core *f, GLuint VB_handle, QVe
f->glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, IB_regular_handle);
if(patches.size() != 0)
f->glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(unsigned int) * patches.size(), &patches[0], GL_STATIC_DRAW);
f->glGenBuffers(1, &IB_extra_handle);
f->glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, IB_extra_handle);
if(Indices_extra.size() != 0)
f->glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(unsigned int) * Indices_extra.size(), &Indices_extra[0], GL_STATIC_DRAW);
}
......@@ -103,10 +110,10 @@ void Mesh::MeshEntry::init(QOpenGLFunctions_4_3_Core *f,QVector<Vertex>& Vertice
}
}
void Mesh::MeshEntry::update(GLuint VB_handle, QVector<Vertex>& Vertices,QVector<Vertex>& Vertices_Irregular, QVector<unsigned int>& Indices_irregular, QVector<unsigned int>& patches) {
void Mesh::MeshEntry::update(GLuint VB_handle, QVector<Vertex>& Vertices,QVector<Vertex>& Vertices_Irregular, QVector<unsigned int>& Indices_irregular, QVector<unsigned int>& patches,QVector<unsigned int>& Indices_extra) {
SubdivEntry *entry = new SubdivEntry;
buffers.push_back(std::shared_ptr<SubdivEntry>(entry));
entry->init(f, VB_handle, Vertices, Vertices_Irregular,Indices_irregular, patches);
entry->init(f, VB_handle, Vertices, Vertices_Irregular,Indices_irregular,patches, Indices_extra);
}
Mesh::MeshEntry::~MeshEntry()
......@@ -495,6 +502,16 @@ void Mesh::renderMesh(QOpenGLShaderProgram *shader, int index, int subdivision,
f->glPatchParameteri(GL_PATCH_VERTICES, 3);
f->glDrawElements(GL_PATCHES, entry->indices_irregular.size(), GL_UNSIGNED_INT, 0);
}
if (!entry->indices_extra.isEmpty() && false) {
shader->setUniformValue("materialInfo.Diffuse", QVector3D(0.0, 156.0, 18.0)/255.0);
f->glBindBuffer(GL_ARRAY_BUFFER, entry->VB_handle);
f->glVertexAttribPointer(positionIndex, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), 0);
f->glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, entry->IB_extra_handle);
f->glPatchParameteri(GL_PATCH_VERTICES, 3);
f->glDrawElements(GL_PATCHES, entry->indices_extra.size(), GL_UNSIGNED_INT, 0);
}
}
}
......
QTProject/mesh.h
......@@ -34,20 +34,23 @@ public:
GLuint VB_handle;
GLuint VB_handle_irregular;
GLuint IB_irregular_handle;
GLuint IB_regular_handle;
GLuint IB_extra_handle;
QVector<Vertex> vertices;
QVector<Vertex> vertices_irregular;
QVector<unsigned int> indices_irregular;
QVector<unsigned int> indices_regular;
QVector<unsigned int> indices_extra;
QOpenGLFunctions_4_3_Core *f;
void init(QOpenGLFunctions_4_3_Core *f, QVector<Vertex>& Vertices,
QVector<unsigned int>& Indices_irregular);
void init(QOpenGLFunctions_4_3_Core *f, GLuint VB_handle, QVector<Vertex>& Vertices, QVector<Vertex>& Vertices_irregular,
QVector<unsigned int>& Indices_irregular, QVector<unsigned int>& patches);
QVector<unsigned int>& Indices_irregular, QVector<unsigned int>& patches,QVector<unsigned int>& Indices_extra);
void updateIndices();
};
......@@ -56,7 +59,7 @@ public:
~MeshEntry();
void init(QOpenGLFunctions_4_3_Core *f, QVector<Vertex>& Vertices, QVector<unsigned int>& Indices);
void update(GLuint VB_handle, QVector<Vertex>& Vertices, QVector<Vertex>& Vertices_Irregular, QVector<unsigned int>& Indices_irregular, QVector<unsigned int>& patches);
void update(GLuint VB_handle, QVector<Vertex>& Vertices, QVector<Vertex>& Vertices_Irregular, QVector<unsigned int>& Indices_irregular, QVector<unsigned int>& patches,QVector<unsigned int>& Indices_extra);
QString name;
......
QTProject/subdivision.cpp
......@@ -17,9 +17,9 @@ Subdivision::~Subdivision()
}
QString Subdivision::formatTimeMeasurement(int time){
return QString("%1m %2s %3ms").arg( time / 60000 , 2, 10, QChar('0'))
.arg((time % 60000) / 1000, 2, 10, QChar('0'))
.arg((time % 1000) , 3, 10, QChar('0'));
return QString("%1m %2s %3ms").arg( time / 60000 , 2, 10, QChar('0'))
.arg((time % 60000) / 1000, 2, 10, QChar('0'))
.arg((time % 1000) , 3, 10, QChar('0'));
}
void Subdivision::init() {
......@@ -72,9 +72,9 @@ void Subdivision::subdivide(Mesh *mesh, int level) {
Input input;
int currentMax = current_mesh->buffers.size()-1;
//qCDebug(log_subdiv) << "Subdiv Level" << level << "Requested. Current Max:" << currentMax;
if(level <= currentMax)
return;
qCDebug(log_subdiv) << "========== Caluculating Subdiv Level" << level << "==========";
std::shared_ptr<Mesh::SubdivEntry> entry = current_mesh->buffers[currentMax];
......@@ -119,7 +119,7 @@ void Subdivision::subdivide(Mesh *mesh, int level) {
getPatchIndexBuffer(regular, neighbors, patches);
qCDebug(log_subdiv) << "patches" << patches.length();
current_mesh->update(result.vb_handle, result.vertex_buffer, result.vertex_buffer_irregular, irregular_ib, patches);
current_mesh->update(result.vb_handle, result.vertex_buffer, result.vertex_buffer_irregular, irregular_ib, patches,tables.extra_triangles);
qCDebug(log_timing) << "subdivide done:" << formatTimeMeasurement(timer.elapsed());
}
......@@ -182,11 +182,10 @@ Subdivision::Tables Subdivision::precomputeTables(Input input) {
precomputeEdgeTable(tables, triangles, neighbors, (unsigned int) vb.length(), extra_old_triangles);
qCDebug(log_timing) << "precomputeEdgeTable:" << formatTimeMeasurement(subTimer.elapsed());
QVector<Triangle> irregular_and_extra_triangles = triangles + extra_old_triangles;
QVector<Triangle> irregular_and_extra_triangles = triangles+extra_old_triangles;
QMap<unsigned int, unsigned int> modified_vertices;
subTimer.restart();
QVector<Triangle> foo = all_triangles + extra_old_triangles;
precomputeVertexTable(tables, vb, foo, neighbors, modified_vertices);
precomputeVertexTable(tables, vb, irregular_and_extra_triangles, neighbors, modified_vertices);
qCDebug(log_timing) << "precomputeVertexTable:" << formatTimeMeasurement(subTimer.elapsed());
subTimer.restart();
......@@ -383,9 +382,16 @@ void Subdivision::buildNeighborsMap(QVector<Vertex> &vb, QVector<Triangle> &tria
QVector<Triangle> Subdivision::vertexNeighbors(Triangle &triangle, Triangle::Neighbor current_neighbor, QMap<Triangle, Triangle::Neighbors> neighbors) {
QVector<Triangle> ns;
do {
assert(current_neighbor.triangle != NULL);
if(current_neighbor.triangle == NULL){
ns.clear();
return ns;
}
ns.push_back(*current_neighbor.triangle);
current_neighbor = neighbors.value(*current_neighbor.triangle).get_neighbor(rotate_edge_name(current_neighbor.edge.name));
if(current_neighbor.triangle == NULL){
ns.clear();
return ns;
}
} while (*current_neighbor.triangle != triangle);
assert(current_neighbor.triangle != NULL);
return ns;
......@@ -614,6 +620,7 @@ void Subdivision::precomputeVertexTable(Tables &tables, QVector<Vertex> &vb, QVe
unsigned int output_offset = vb.size() + tables.edge_indices.size() / 4;
tables.vertex_offsets.push_back(0);
for (int i = 0; i < irregular_triangles.length(); i++) {
Triangle triangle = irregular_triangles[i];
......@@ -624,35 +631,44 @@ void Subdivision::precomputeVertexTable(Tables &tables, QVector<Vertex> &vb, QVe
idx = triangle.u_idx();
if (!modified_vertices.contains(idx)) {
tables.vertex_indices.push_back(idx);
modified_vertices.insert(idx, output_offset++);
neighbor_indices = getAllVertexIndices(vb, vertexNeighbors(triangle, ns.uv, neighbors));
removed = removeVertexIndex(vb, neighbor_indices, triangle.u());
assert(removed);
tables.vertex_indices += neighbor_indices;
tables.vertex_offsets.push_back(tables.vertex_indices.length());
QVector<Triangle> neighborTriangles = vertexNeighbors(triangle, ns.uv, neighbors);
if(!neighborTriangles.empty()){
tables.vertex_indices.push_back(idx);
modified_vertices.insert(idx, output_offset++);
neighbor_indices = getAllVertexIndices(vb, neighborTriangles);
removed = removeVertexIndex(vb, neighbor_indices, triangle.u());
assert(removed);
tables.vertex_indices += neighbor_indices;
tables.vertex_offsets.push_back(tables.vertex_indices.length());
}
}
idx = triangle.v_idx();
if (!modified_vertices.contains(idx)) {
tables.vertex_indices.push_back(idx);
modified_vertices.insert(idx, output_offset++);
neighbor_indices = getAllVertexIndices(vb, vertexNeighbors(triangle, ns.vw, neighbors));
removed = removeVertexIndex(vb, neighbor_indices, triangle.v());
assert(removed);
tables.vertex_indices += neighbor_indices;
tables.vertex_offsets.push_back(tables.vertex_indices.length());
QVector<Triangle> neighborTriangles = vertexNeighbors(triangle, ns.vw, neighbors);
if(!neighborTriangles.empty()){
tables.vertex_indices.push_back(idx);
modified_vertices.insert(idx, output_offset++);
neighbor_indices = getAllVertexIndices(vb, neighborTriangles);
removed = removeVertexIndex(vb, neighbor_indices, triangle.v());
assert(removed);
tables.vertex_indices += neighbor_indices;
tables.vertex_offsets.push_back(tables.vertex_indices.length());
}
}
idx = triangle.w_idx();
if (!modified_vertices.contains(idx)) {
tables.vertex_indices.push_back(idx);
modified_vertices.insert(idx, output_offset++);
neighbor_indices = getAllVertexIndices(vb, vertexNeighbors(triangle, ns.wu, neighbors));
removed = removeVertexIndex(vb, neighbor_indices, triangle.w());
assert(removed);
tables.vertex_indices += neighbor_indices;
tables.vertex_offsets.push_back(tables.vertex_indices.length());
QVector<Triangle> neighborTriangles = vertexNeighbors(triangle, ns.wu, neighbors);
if(!neighborTriangles.empty()){
tables.vertex_indices.push_back(idx);
modified_vertices.insert(idx, output_offset++);
neighbor_indices = getAllVertexIndices(vb, neighborTriangles);
removed = removeVertexIndex(vb, neighbor_indices, triangle.w());
assert(removed);
tables.vertex_indices += neighbor_indices;
tables.vertex_offsets.push_back(tables.vertex_indices.length());
}
}
}
qCDebug(log_timing) << "precomputeVertexTable done:" << formatTimeMeasurement(timer.elapsed());
......@@ -866,6 +882,7 @@ void Subdivision::findRegular(QVector<Triangle> triangles, QMap<Triangle, Triang
Triangle::Neighbors ns = neighbors.value(triangle);
bool is_regular = true;
if (!isVertexRegular(triangle, ns.uv, neighbors)) {
is_regular = false;
}
......@@ -876,6 +893,7 @@ void Subdivision::findRegular(QVector<Triangle> triangles, QMap<Triangle, Triang
is_regular = false;
}
if (is_regular) {
regular.push_back(triangle);
} else {
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment