/* San Angeles Observation OpenGL ES version example

* Copyright 2004-2005 Jetro Lauha

* All rights reserved.

* Web: http://iki.fi/jetro/

*

* This source is free software; you can redistribute it and/or

* modify it under the terms of EITHER:

* (1) The GNU Lesser General Public License as published by the Free

* Software Foundation; either version 2.1 of the License, or (at

* your option) any later version. The text of the GNU Lesser

* General Public License is included with this source in the

* file LICENSE-LGPL.txt.

* (2) The BSD-style license that is included with this source in

* the file LICENSE-BSD.txt.

*

* This source is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the files

* LICENSE-LGPL.txt and LICENSE-BSD.txt for more details.

*

* $Id: importgl.h,v 1.4 2005/02/24 20:29:33 tonic Exp $

* $Revision: 1.4 $

*/

#ifndef IMPORTGL_H_INCLUDED

#define IMPORTGL_H_INCLUDED

#ifdef __cplusplus

extern "C" {

#endif

#include <GLES/gl.h>

#ifndef ANDROID_NDK

#include <GLES/egl.h>

#endif /* !ANDROID_NDK */

/* Use DISABLE_IMPORTGL if you want to link the OpenGL ES at

* compile/link time and not import it dynamically runtime.

*/

#ifndef DISABLE_IMPORTGL

/* Dynamically fetches pointers to the egl & gl functions.

* Should be called once on application initialization.

* Returns non-zero on success and 0 on failure.

*/

extern int importGLInit();

/* Frees the handle to egl & gl functions library.

*/

extern void importGLDeinit();

#ifndef IMPORTGL_API

#define IMPORTGL_API extern

#endif

#ifndef IMPORTGL_FNPTRINIT

#define IMPORTGL_FNPTRINIT

#endif

#define FNDEF(retType, funcName, args) IMPORTGL_API retType (*funcPtr_##funcName) args IMPORTGL_FNPTRINIT

#ifndef ANDROID_NDK

FNDEF(EGLBoolean, eglChooseConfig, (EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config));

FNDEF(EGLContext, eglCreateContext, (EGLDisplay dpy, EGLConfig config, EGLContext share_list, const EGLint *attrib_list));

FNDEF(EGLSurface, eglCreateWindowSurface, (EGLDisplay dpy, EGLConfig config, NativeWindowType window, const EGLint *attrib_list));

FNDEF(EGLBoolean, eglDestroyContext, (EGLDisplay dpy, EGLContext ctx));

FNDEF(EGLBoolean, eglDestroySurface, (EGLDisplay dpy, EGLSurface surface));

FNDEF(EGLBoolean, eglGetConfigAttrib, (EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value));

FNDEF(EGLBoolean, eglGetConfigs, (EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config));

FNDEF(EGLDisplay, eglGetDisplay, (NativeDisplayType display));

FNDEF(EGLint, eglGetError, (void));

FNDEF(EGLBoolean, eglInitialize, (EGLDisplay dpy, EGLint *major, EGLint *minor));

FNDEF(EGLBoolean, eglMakeCurrent, (EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx));

FNDEF(EGLBoolean, eglSwapBuffers, (EGLDisplay dpy, EGLSurface draw));

FNDEF(EGLBoolean, eglTerminate, (EGLDisplay dpy));

#endif /* !ANDROID_NDK */

FNDEF(void, glBlendFunc, (GLenum sfactor, GLenum dfactor));

FNDEF(void, glClear, (GLbitfield mask));

FNDEF(void, glClearColorx, (GLclampx red, GLclampx green, GLclampx blue, GLclampx alpha));

FNDEF(void, glColor4x, (GLfixed red, GLfixed green, GLfixed blue, GLfixed alpha));

FNDEF(void, glColorPointer, (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer));

FNDEF(void, glDisable, (GLenum cap));

FNDEF(void, glDisableClientState, (GLenum array));

FNDEF(void, glDrawArrays, (GLenum mode, GLint first, GLsizei count));

FNDEF(void, glEnable, (GLenum cap));

FNDEF(void, glEnableClientState, (GLenum array));

FNDEF(void, glFrustumx, (GLfixed left, GLfixed right, GLfixed bottom, GLfixed top, GLfixed zNear, GLfixed zFar));

FNDEF(GLenum, glGetError, (void));

FNDEF(void, glLightxv, (GLenum light, GLenum pname, const GLfixed *params));

FNDEF(void, glLoadIdentity, (void));

FNDEF(void, glMaterialx, (GLenum face, GLenum pname, GLfixed param));

FNDEF(void, glMaterialxv, (GLenum face, GLenum pname, const GLfixed *params));

FNDEF(void, glMatrixMode, (GLenum mode));

FNDEF(void, glMultMatrixx, (const GLfixed *m));

FNDEF(void, glNormalPointer, (GLenum type, GLsizei stride, const GLvoid *pointer));

FNDEF(void, glPopMatrix, (void));

FNDEF(void, glPushMatrix, (void));

FNDEF(void, glRotatex, (GLfixed angle, GLfixed x, GLfixed y, GLfixed z));

FNDEF(void, glScalex, (GLfixed x, GLfixed y, GLfixed z));

FNDEF(void, glShadeModel, (GLenum mode));

FNDEF(void, glTranslatex, (GLfixed x, GLfixed y, GLfixed z));

FNDEF(void, glVertexPointer, (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer));

FNDEF(void, glViewport, (GLint x, GLint y, GLsizei width, GLsizei height));

#undef FN

#define FNPTR(name) funcPtr_##name

#ifndef IMPORTGL_NO_FNPTR_DEFS

// Redirect egl* and gl* function calls to funcPtr_egl* and funcPtr_gl*.

#ifndef ANDROID_NDK

#define eglChooseConfig FNPTR(eglChooseConfig)

#define eglCreateContext FNPTR(eglCreateContext)

#define eglCreateWindowSurface FNPTR(eglCreateWindowSurface)

#define eglDestroyContext FNPTR(eglDestroyContext)

#define eglDestroySurface FNPTR(eglDestroySurface)

#define eglGetConfigAttrib FNPTR(eglGetConfigAttrib)

#define eglGetConfigs FNPTR(eglGetConfigs)

#define eglGetDisplay FNPTR(eglGetDisplay)

#define eglGetError FNPTR(eglGetError)

#define eglInitialize FNPTR(eglInitialize)

#define eglMakeCurrent FNPTR(eglMakeCurrent)

#define eglSwapBuffers FNPTR(eglSwapBuffers)

#define eglTerminate FNPTR(eglTerminate)

#endif /* !ANDROID_NDK */

#define glBlendFunc FNPTR(glBlendFunc)

#define glClear FNPTR(glClear)

#define glClearColorx FNPTR(glClearColorx)

#define glColor4x FNPTR(glColor4x)

#define glColorPointer FNPTR(glColorPointer)

#define glDisable FNPTR(glDisable)

#define glDisableClientState FNPTR(glDisableClientState)

#define glDrawArrays FNPTR(glDrawArrays)

#define glEnable FNPTR(glEnable)

#define glEnableClientState FNPTR(glEnableClientState)

#define glFrustumx FNPTR(glFrustumx)

#define glGetError FNPTR(glGetError)

#define glLightxv FNPTR(glLightxv)

#define glLoadIdentity FNPTR(glLoadIdentity)

#define glMaterialx FNPTR(glMaterialx)

#define glMaterialxv FNPTR(glMaterialxv)

#define glMatrixMode FNPTR(glMatrixMode)

#define glMultMatrixx FNPTR(glMultMatrixx)

#define glNormalPointer FNPTR(glNormalPointer)

#define glPopMatrix FNPTR(glPopMatrix)

#define glPushMatrix FNPTR(glPushMatrix)

#define glRotatex FNPTR(glRotatex)

#define glScalex FNPTR(glScalex)

#define glShadeModel FNPTR(glShadeModel)

#define glTranslatex FNPTR(glTranslatex)

#define glVertexPointer FNPTR(glVertexPointer)

#define glViewport FNPTR(glViewport)

#endif // !IMPORTGL_NO_FNPTR_DEFS

#endif // !DISABLE_IMPORTGL

#ifdef __cplusplus

}

#endif

#endif // !IMPORTGL_H_INCLUDED