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vertex arrays

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This commit is contained in:
Joachim Schoeberl 2012-06-11 14:24:35 +00:00
parent f0739d2937
commit ea1be3f246
2 changed files with 83 additions and 2 deletions
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3
libsrc/include/incvis.hpp
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@ -1,6 +1,5 @@
// libraries for User interface:
#include <tcl.h>
#include <tk.h>
@ -10,6 +9,8 @@
#define tcl_const
#endif
#define GL_GLEXT_PROTOTYPES
# if defined(TOGL_AGL) || defined(TOGL_AGL_CLASSIC)
# include <OpenGL/gl.h>

82
libsrc/visualization/vssolution.cpp
View File

@ -8,10 +8,12 @@
#include <csg.hpp>
#include <stlgeom.hpp>
// #include <parallel.hpp>
#include <visual.hpp>
namespace netgen
{
extern AutoPtr<Mesh> mesh;
@ -1277,7 +1279,7 @@ namespace netgen
usetexture = 0;
SetTextureMode (usetexture);
}
for (int iy = 0, ii = 0; iy < n; iy++)
{
glBegin (GL_TRIANGLE_STRIP);
@ -1302,6 +1304,84 @@ namespace netgen
}
glEnd();
}
/*
GLuint vboId[3];
glGenBuffersARB (3, &vboId[0]);
// cout << "vboId = " << vboId << endl;
glBindBufferARB (GL_ARRAY_BUFFER_ARB, vboId[0]);
glBufferDataARB (GL_ARRAY_BUFFER_ARB, points.Size()*sizeof(Point<3>),
&points[0][0], GL_STATIC_DRAW_ARB);
// not so fast as old-fashened style
glEnableClientState(GL_VERTEX_ARRAY);
// glVertexPointer(3, GL_DOUBLE, 0, &points[0][0]);
glVertexPointer(3, GL_DOUBLE, 0, 0); //ARB
glBindBufferARB (GL_ARRAY_BUFFER_ARB, vboId[1]);
glBufferDataARB (GL_ARRAY_BUFFER_ARB, nvs.Size()*sizeof(Point<3>),
&nvs[0][0], GL_STATIC_DRAW_ARB);
glEnableClientState(GL_NORMAL_ARRAY);
// glNormalPointer(GL_DOUBLE, 0, &nvs[0][0]);
glNormalPointer(GL_DOUBLE, 0, 0); // ARB
// if (drawelem && usetexture == 1)
{
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
// glTexCoordPointer(1, GL_DOUBLE, 0, &values[0]);
glBindBufferARB (GL_ARRAY_BUFFER_ARB, vboId[2]);
glBufferDataARB (GL_ARRAY_BUFFER_ARB, values.Size()*sizeof(double),
&values[0], GL_STATIC_DRAW_ARB);
glTexCoordPointer(1, GL_DOUBLE, 0, 0);
}
Array<int> gind;
for (int iy = 0, ii = 0; iy < n; iy++,ii++)
{
for (int ix = 0; ix < n-iy; ix++, ii++)
{
int nv = (ix+iy+1 < n) ? 6 : 3;
int ind[] = { ii, ii+1, ii+n-iy+1,
ii+n-iy+1, ii+1, ii+n-iy+2 };
// if (ix == 0 && iy == 0)
// for (int l = 0; l < 3; l++)
// {
// if (drawelem)
// {
// if (usetexture != 2)
// // SetOpenGlColor (values[ind[l]]);
// glTexCoord1f ( values[ind[l]] );
// else
// glTexCoord2f ( valuesc[ind[l]].real(), valuesc[ind[l]].imag() );
// }
// else
// glColor3fv (col_grey);
// }
for (int j = 0; j < nv; j++)
gind.Append(ind[j]);
// glDrawElements(GL_TRIANGLES, nv, GL_UNSIGNED_INT, &ind[0]);
}
}
glDrawElements(GL_TRIANGLES, gind.Size(), GL_UNSIGNED_INT, &gind[0]);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDeleteBuffersARB (3, &vboId[0]);
*/
if (!drawelem && (usetexture != save_usetexture))
{
usetexture = save_usetexture;