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// -*- Mode: C++; tab-width: 2; -*-
// vi: set ts=2:
//
// $Id: glDisplayList.C,v 1.7.16.1 2007/03/25 21:57:01 oliver Exp $
//
#include <BALL/VIEW/RENDERING/glDisplayList.h>
#include <BALL/COMMON/exception.h>
#include <BALL/DATATYPE/string.h>
#include <BALL/COMMON/rtti.h>
using namespace std;
// #define BALL_VIEW_DEBUG
#ifdef BALL_VIEW_DEBUG
#define CHECK_GL_ERROR \
{\
GLenum e = glGetError(); \
if (e != GL_NO_ERROR)\
{\
Log.error() << "GL Error occurred in " << __FILE__ << " " << __LINE__ << std::endl;\
switch (e)\
{\
case GL_INVALID_VALUE: Log.error() << " GL_INVALID_VALUE" << std::endl;break;\
case GL_INVALID_ENUM: Log.error() << " GL_INVALID_ENUM" << std::endl;break;\
case GL_INVALID_OPERATION: Log.error() << " GL_INVALID_OPERATION" << std::endl;break;\
case GL_STACK_OVERFLOW: Log.error() << " GL_STACK_OVERFLOW" << std::endl;break;\
case GL_STACK_UNDERFLOW: Log.error() << " GL_STACK_UNDERFLOW" << std::endl;break;\
case GL_TABLE_TOO_LARGE: Log.error() << " GL_TABLE_TOO_LARGE" << std::endl;break;\
default: Log.error() << " UNKNOWN ERROR" << std::endl;\
}\
}\
}
#else
#define CHECK_GL_ERROR
#endif
namespace BALL
{
namespace VIEW
{
const GLDisplayList::GLList
GLDisplayList::DISPLAYLIST_NOT_DEFINED = (GLDisplayList::GLList)0;
GLDisplayList::NestedDisplayList::NestedDisplayList(const char* file, int line)
: Exception::GeneralException(file, line, String("NestedDisplayList"),
String("display list definition inside another is not allowed."))
{
}
GLDisplayList::NoDisplayListAvailable::NoDisplayListAvailable(const char* file, int line)
: Exception::GeneralException(file, line, String("NoDisplayListAvailable"),
String("memory allocation for display list failed."))
{
}
GLDisplayList::DisplayListRedeclaration::DisplayListRedeclaration(const char* file, int line)
: Exception::GeneralException(file, line, String("DisplayListRedeclaration"),
String("display list already defined."))
{
}
GLDisplayList::GLDisplayList()
: compile_(true),
GL_list_(0)
{
}
GLDisplayList::~GLDisplayList()
{
#ifdef BALL_VIEW_DEBUG
Log.error() << "Destructing object " << this << " of class GLDisplayList" << endl;
#endif
clear();
}
void GLDisplayList::clear()
{
if (GL_list_ != 0)
{
CHECK_GL_ERROR
glDeleteLists((GLuint) GL_list_, 1);
CHECK_GL_ERROR
GL_list_ = 0;
}
}
void GLDisplayList::startDefinition()
{
CHECK_GL_ERROR
if (GL_list_ != 0)
{
throw DisplayListRedeclaration(__FILE__, __LINE__);
}
GLint current_index = -1;
glGetIntegerv(GL_LIST_INDEX, ¤t_index);
CHECK_GL_ERROR
// missing OpenGL context
if(current_index == -1)
{
Log.error() << "Display lists cannot be created without OpenGL context!" << endl;
throw NoDisplayListAvailable(__FILE__, __LINE__);
}
// we are already in a display list definition
if (current_index != 0)
{
throw NestedDisplayList(__FILE__, __LINE__);
}
GL_list_ = glGenLists(1);
CHECK_GL_ERROR
if (GL_list_ == GLDisplayList::DISPLAYLIST_NOT_DEFINED)
{
throw NoDisplayListAvailable(__FILE__, __LINE__);
}
if (compile_)
{
glNewList(GL_list_, GL_COMPILE);
CHECK_GL_ERROR
}
else
{
glNewList(GL_list_, GL_COMPILE_AND_EXECUTE);
CHECK_GL_ERROR
}
}
void GLDisplayList::endDefinition()
{
CHECK_GL_ERROR
glEndList();
}
void GLDisplayList::dump(ostream& s, Size depth) const
{
BALL_DUMP_STREAM_PREFIX(s);
BALL_DUMP_DEPTH(s, depth);
BALL_DUMP_HEADER(s, this, this);
BALL_DUMP_DEPTH(s, depth);
s << "display list : " << GL_list_ << endl;
BALL_DUMP_DEPTH(s, depth);
s << "compile mode : "
<< ((compile_) ? "yes" : "no") << endl;
BALL_DUMP_STREAM_SUFFIX(s);
}
# ifdef BALL_NO_INLINE_FUNCTIONS
# include <BALL/VIEW/RENDERING/glDisplayList.iC>
# endif
} // namespace VIEW
} // namespace BALL
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