historical/toontown-classic.git/panda/include/eglGraphicsStateGuardian.h
2024-01-16 11:20:27 -06:00

96 lines
2.6 KiB
C++

/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file eglGraphicsStateGuardian.h
* @author rdb
* @date 2009-05-21
*/
#ifndef EGLGRAPHICSSTATEGUARDIAN_H
#define EGLGRAPHICSSTATEGUARDIAN_H
#include "pandabase.h"
#include "eglGraphicsPipe.h"
#include "get_x11.h"
/**
* A tiny specialization on GLESGraphicsStateGuardian to add some egl-specific
* information.
*/
#ifdef OPENGLES_2
class eglGraphicsStateGuardian : public GLES2GraphicsStateGuardian {
#else
class eglGraphicsStateGuardian : public GLESGraphicsStateGuardian {
#endif
public:
INLINE const FrameBufferProperties &get_fb_properties() const;
void get_properties(FrameBufferProperties &properties,
bool &pbuffer_supported, bool &pixmap_supported,
bool &slow, EGLConfig config);
void choose_pixel_format(const FrameBufferProperties &properties,
X11_Display *_display,
int _screen,
bool need_pbuffer, bool need_pixmap);
eglGraphicsStateGuardian(GraphicsEngine *engine, GraphicsPipe *pipe,
eglGraphicsStateGuardian *share_with);
virtual ~eglGraphicsStateGuardian();
virtual void reset();
bool egl_is_at_least_version(int major_version, int minor_version) const;
EGLContext _share_context;
EGLContext _context;
EGLDisplay _egl_display;
X11_Display *_display;
int _screen;
XVisualInfo *_visual;
XVisualInfo *_visuals;
EGLConfig _fbconfig;
FrameBufferProperties _fbprops;
protected:
virtual void gl_flush() const;
virtual GLenum gl_get_error() const;
virtual void query_gl_version();
virtual void get_extra_extensions();
virtual void *do_get_extension_func(const char *name);
private:
int _egl_version_major, _egl_version_minor;
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
#ifdef OPENGLES_2
GLES2GraphicsStateGuardian::init_type();
register_type(_type_handle, "eglGraphicsStateGuardian",
GLES2GraphicsStateGuardian::get_class_type());
#else
GLESGraphicsStateGuardian::init_type();
register_type(_type_handle, "eglGraphicsStateGuardian",
GLESGraphicsStateGuardian::get_class_type());
#endif
}
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
private:
static TypeHandle _type_handle;
};
#include "eglGraphicsStateGuardian.I"
#endif