#include <msp/gl/extensions/msp_clipping.h>
#include "clipping.h"
#include "clipplane.h"
+#include "deviceinfo.h"
#include "error.h"
#include "matrix.h"
#include "misc.h"
unsigned Clipping::get_n_attach_points()
{
- static Require _req(MSP_clipping);
- static int count = get_i(GL_MAX_CLIP_PLANES);
- return count;
+ return Limits::get_global().max_clip_planes;
}
void Clipping::attach(const ClipPlane &p)
{
- if(find(planes, &p)!=planes.end())
+ if(find_member(planes, &p, &AttachedPlane::plane)!=planes.end())
return;
- if(planes.size()>=get_n_attach_points())
+ if(planes.size()>=Limits::get_global().max_clip_planes)
throw invalid_operation("Clipping::attach");
planes.push_back(&p);
void Clipping::detach(const ClipPlane &p)
{
- vector<const ClipPlane *>::iterator i = find(planes, &p);
+ vector<AttachedPlane>::iterator i = find_member(planes, &p, &AttachedPlane::plane);
if(i!=planes.end())
{
planes.erase(i);
void Clipping::detach(unsigned i)
{
if(i<planes.size())
- detach(*planes[i]);
+ detach(*planes[i].plane);
}
-void Clipping::update_shader_data(ProgramData &shdata, const Matrix &view_matrix) const
+const ProgramData &Clipping::get_shader_data() const
{
- Matrix view_inverse = invert(view_matrix);
for(unsigned i=0; i<planes.size(); ++i)
- planes[i]->update_shader_data(shdata, view_inverse, i);
+ if(planes[i].plane->get_generation()!=planes[i].generation)
+ {
+ planes[i].plane->update_shader_data(shdata, i);
+ planes[i].generation = planes[i].plane->get_generation();
+ }
+
+ return shdata;
}
void Clipping::bind() const