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Merged branch 'dev_native' into lm_sla_supports_auto

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Added igl library files
This commit is contained in:
Lukas Matena 2018-10-26 15:45:52 +02:00
commit 7681d00ee5
2865 changed files with 142806 additions and 22325 deletions
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61
src/igl/opengl/vertex_array.cpp Normal file
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#include "vertex_array.h"
#include <igl/opengl/report_gl_error.h>
template <
typename DerivedV,
typename DerivedF>
IGL_INLINE void igl::opengl::vertex_array(
const Eigen::PlainObjectBase<DerivedV> & V,
const Eigen::PlainObjectBase<DerivedF> & F,
GLuint & va_id,
GLuint & ab_id,
GLuint & eab_id)
{
// Inputs should be in RowMajor storage. If not, we have no choice but to
// create a copy.
if(!(V.Options & Eigen::RowMajor))
{
Eigen::Matrix<
typename DerivedV::Scalar,
DerivedV::RowsAtCompileTime,
DerivedV::ColsAtCompileTime,
Eigen::RowMajor> VR = V;
return vertex_array(VR,F,va_id,ab_id,eab_id);
}
if(!(F.Options & Eigen::RowMajor))
{
Eigen::Matrix<
typename DerivedF::Scalar,
DerivedF::RowsAtCompileTime,
DerivedF::ColsAtCompileTime,
Eigen::RowMajor> FR = F;
return vertex_array(V,FR,va_id,ab_id,eab_id);
}
// Generate and attach buffers to vertex array
glGenVertexArrays(1, &va_id);
glGenBuffers(1, &ab_id);
glGenBuffers(1, &eab_id);
glBindVertexArray(va_id);
glBindBuffer(GL_ARRAY_BUFFER, ab_id);
const auto size_VScalar = sizeof(typename DerivedV::Scalar);
const auto size_FScalar = sizeof(typename DerivedF::Scalar);
glBufferData(GL_ARRAY_BUFFER,size_VScalar*V.size(),V.data(),GL_STATIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, eab_id);
assert(sizeof(GLuint) == size_FScalar && "F type does not match GLuint");
glBufferData(
GL_ELEMENT_ARRAY_BUFFER, sizeof(GLuint)*F.size(), F.data(), GL_STATIC_DRAW);
glVertexAttribPointer(
0,
V.cols(),
size_VScalar==sizeof(float)?GL_FLOAT:GL_DOUBLE,
GL_FALSE,
V.cols()*size_VScalar,
(GLvoid*)0);
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindVertexArray(0);
}
#ifdef IGL_STATIC_LIBRARY
template void igl::opengl::vertex_array<Eigen::Matrix<float, -1, 3, 1, -1, 3>, Eigen::Matrix<int, -1, 3, 1, -1, 3> >(Eigen::PlainObjectBase<Eigen::Matrix<float, -1, 3, 1, -1, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 1, -1, 3> > const&, unsigned int&, unsigned int&, unsigned int&);
#endif