+++ /dev/null
-#include <msp/gl/extensions/msp_legacy_features.h>
-#include "clipping.h"
-#include "clipplane.h"
-#include "clipunit.h"
-#include "matrix.h"
-#include "misc.h"
-
-using namespace std;
-
-namespace Msp {
-namespace GL {
-
-bool Clipping::bound_with_legacy = false;
-
-void Clipping::attach(unsigned i, const ClipPlane &p)
-{
- if(i>=ClipUnit::get_n_units())
- throw out_of_range("Clipping::attach");
-
- if(i>=planes.size())
- planes.resize(i+1);
-
- planes[i] = &p;
- if(current()==this)
- {
- if(bound_with_legacy)
- p.bind_to(i);
- else
- glEnable(GL_CLIP_PLANE0+i);
- }
-}
-
-void Clipping::detach(unsigned i)
-{
- if(i>=planes.size())
- return;
-
- planes[i] = 0;
- if(current()==this)
- {
- if(bound_with_legacy)
- ClipPlane::unbind_from(i);
- else
- disable(GL_CLIP_PLANE0+i);
- }
-}
-
-void Clipping::update_shader_data(ProgramData &shdata, const Matrix &view_matrix) const
-{
- Matrix view_inverse = invert(view_matrix);
- for(unsigned i=0; i<planes.size(); ++i)
- if(planes[i])
- planes[i]->update_shader_data(shdata, view_inverse, i);
-}
-
-void Clipping::bind(bool legacy) const
-{
- if(legacy)
- static Require _req(MSP_legacy_features);
-
- const Clipping *old = current();
- if(!set_current(this) && !(legacy && !bound_with_legacy))
- return;
-
- bound_with_legacy = legacy;
- if(legacy)
- {
- for(unsigned i=0; i<planes.size(); ++i)
- {
- if(planes[i])
- planes[i]->bind_to(i);
- else
- ClipPlane::unbind_from(i);
- }
-
- if(old)
- {
- for(unsigned i=planes.size(); i<old->planes.size(); ++i)
- ClipPlane::unbind_from(i);
- }
- }
- else
- {
- for(unsigned i=0; i<planes.size(); ++i)
- {
- if(planes[i])
- enable(GL_CLIP_PLANE0+i);
- else
- disable(GL_CLIP_PLANE0+i);
- }
-
- if(old)
- {
- for(unsigned i=planes.size(); i<old->planes.size(); ++i)
- disable(GL_CLIP_PLANE0+i);
- }
- }
-}
-
-void Clipping::unbind()
-{
- const Clipping *old = current();
- if(!set_current(0))
- return;
-
- if(bound_with_legacy)
- {
- for(unsigned i=0; i<old->planes.size(); ++i)
- if(old->planes[i])
- ClipPlane::unbind_from(i);
- }
- else
- {
- for(unsigned i=0; i<old->planes.size(); ++i)
- if(old->planes[i])
- disable(GL_CLIP_PLANE0+i);
- }
-}
-
-} // namespace GL
-} // namespace Msp