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fix fltk code

pull/3/head
Andrew Downing 2015-02-24 15:54:27 -05:00
parent 0f334cc040
commit 1bfba0df5f
1 changed files with 16 additions and 42 deletions
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58
src/fltk/xFl_Gl_Window_Group.cxx
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@ -19,29 +19,15 @@
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <FL/Fl.H>
#include <FL/Fl_Box.H>
//#include "Fl_Gl_Choice.H"
#if 1 //---------------- Extract from Fl_Gl_Choice.H
#ifdef WIN32
# include <FL/gl.h>
# define GLContext HGLRC
#elif defined(__APPLE_QUARTZ__)
# include <OpenGL/gl.h>
# include <AGL/agl.h>
# define GLContext AGLContext
#else
# include <GL/glx.h>
# define GLContext GLXContext
#endif
GLContext fl_create_gl_context(XVisualInfo*);
void fl_set_gl_context(Fl_Window*, GLContext);
void fl_delete_gl_context(GLContext);
#endif //----------------
#include <fltk/xFl_Gl_Window_Group.H> //#include <FL/Fl_Gl_Window_Group.H>
#include <FL/fl_draw.H>
#include <FL/gl.h>
#include <fltk/xFl_Gl_Window_Group.H>
#if 1 //HAVE_GL
#if !defined(GL_TEXTURE_RECTANGLE) && defined(WIN32)
@ -80,7 +66,6 @@ void Gl_Stand_In::dummy(void) {}
void Fl_Gl_Window_Group::init(void) {
begin(); // Revert the end() in the Fl_Gl_Window constructor
glstandin = new Gl_Stand_In(w(), h(), this);
children_context = NULL;
texid = 0;
RESET_FIELDS();
}
@ -119,30 +104,21 @@ void Fl_Gl_Window_Group::adjust_offscr(int w, int h) {
void Fl_Gl_Window_Group::show() {
Fl_Gl_Window::show();
if (!children_context) {
children_context = fl_create_gl_context(fl_visual);
fl_set_gl_context(this, children_context);
glDisable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
glEnable(GL_TEXTURE_RECTANGLE);
glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glGenTextures(1, &texid);
glBindTexture(GL_TEXTURE_RECTANGLE, texid);
make_current();
}
glDisable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
glEnable(GL_TEXTURE_RECTANGLE);
glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glGenTextures(1, &texid);
glBindTexture(GL_TEXTURE_RECTANGLE, texid);
make_current();
}
void Fl_Gl_Window_Group::hide() {
if (children_context) {
fl_set_gl_context(this, children_context);
glDeleteTextures(1, &texid);
texid = 0;
make_current();
fl_delete_gl_context(children_context);
children_context = NULL;
}
glDeleteTextures(1, &texid);
texid = 0;
make_current();
Fl_Gl_Window::hide();
}
@ -197,8 +173,6 @@ void Fl_Gl_Window_Group::draw(void) {
Draws all children of the group.
*/
void Fl_Gl_Window_Group::draw_children(void) {
fl_set_gl_context(this, children_context);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glOrtho(0, w(), 0, h(), -1.0, 1.0);