/*
Copyright (C) 2007-2009 Olli Hinkka

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program 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 GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#ifndef __GLESINTERFACE_H__
#define __GLESINTERFACE_H__


#if !defined (__WINS__)
    #if	defined(__TARGET_FPU_VFP)
        #pragma softfp_linkage
    #endif
#endif

#ifdef SOFTFP_LINK
#define S __attribute__((pcs("aapcs")))
#else
#define S
#endif

#ifdef _WIN32
#include <windows.h> //APIENTRY
#endif
#ifndef APIENTRY
#ifdef _MSC_VER
#define APIENTRY WINAPI
#else
#define APIENTRY
#endif
#endif

struct GlESInterface
    {
    int (*eglChooseConfig) (int dpy, const int *attrib_list, int *configs, int config_size, int *num_config) S;
	int (*eglCopyBuffers) (int dpy, int surface, void* target) S;
    int (*eglCreateContext) (int dpy, int config, int share_list, const int *attrib_list) S;
    int (*eglCreatePbufferSurface) (int dpy, int config, const int *attrib_list) S;
    int (*eglCreatePixmapSurface) (int dpy, int config, void* pixmap, const int *attrib_list) S;
    int (*eglCreateWindowSurface) (int dpy, int config, void* window, const int *attrib_list) S;
    int (*eglDestroyContext) (int dpy, int ctx) S;
    int (*eglDestroySurface) (int dpy, int surface) S;
    int (*eglGetConfigAttrib) (int dpy, int config, int attribute, int *value) S;
    int (*eglGetConfigs) (int dpy, int *configs, int config_size, int *num_config) S;
    int (*eglGetCurrentContext) (void) S;
    int (*eglGetCurrentDisplay) (void) S;
    int (*eglGetCurrentSurface) (int readdraw) S;
    int (*eglGetDisplay) (int display) S;
    int (*eglGetError) (void) S;

    void (*(*eglGetProcAddress) (const char *procname))(...) S;

    int (*eglInitialize) (int dpy, int *major, int *minor) S;
    int (*eglMakeCurrent) (int dpy, int draw, int read, int ctx) S;
    int (*eglQueryContext) (int dpy, int ctx, int attribute, int *value) S;
    const char * (*eglQueryString) (int dpy, int name) S;
    int (*eglQuerySurface) (int dpy, int surface, int attribute, int *value) S;
    int (*eglSwapBuffers) (int dpy, int draw) S;
    int (*eglTerminate) (int dpy) S;
    int (*eglWaitGL) (void) S;
    int (*eglWaitNative) (int engine) S;
    void ( APIENTRY *glActiveTexture) (unsigned int texture) S;
    void ( APIENTRY *glAlphaFunc) (unsigned int func, float ref) S;
    void ( APIENTRY *glAlphaFuncx) (unsigned int func, int ref) S;
    void ( APIENTRY *glBindTexture) (unsigned int target, unsigned int texture) S;
    void ( APIENTRY *glBlendFunc) (unsigned int sfactor, unsigned int dfactor) S;
    void ( APIENTRY *glClear) (unsigned int mask) S;
    void ( APIENTRY *glClearColor) (float red, float green, float blue, float alpha) S;
    void ( APIENTRY *glClearColorx) (int red, int green, int blue, int alpha) S;
    void ( APIENTRY *glClearDepthf) (float depth) S;
    void ( APIENTRY *glClearDepthx) (int depth) S;
    void ( APIENTRY *glClearStencil) (int s) S;
    void ( APIENTRY *glClientActiveTexture) (unsigned int texture) S;
    void ( APIENTRY *glColor4f) (float red, float green, float blue, float alpha) S;
    void ( APIENTRY *glColor4x) (int red, int green, int blue, int alpha) S;
    void ( APIENTRY *glColorMask) (unsigned char red, unsigned char green, unsigned char blue, unsigned char alpha) S;
    void ( APIENTRY *glColorPointer) (int size, unsigned int type, int stride, const void *pointer) S;
	void ( APIENTRY *glCompressedTexImage2D) (unsigned int target, int level, unsigned int internalformat, int width, int height, int border, int imageSize, const void *data) S;
	void ( APIENTRY *glCompressedTexSubImage2D) (unsigned int target, int level, int xoffset, int yoffset, int width, int height, unsigned int format, int imageSize, const void *data) S;
	void ( APIENTRY *glCopyTexImage2D) (unsigned int target, int level, unsigned int internalformat, int x, int y, int width, int height, int border) S;
	void ( APIENTRY *glCopyTexSubImage2D) (unsigned int target, int level, int xoffset, int yoffset, int x, int y, int width, int height) S;
	void ( APIENTRY *glCullFace) (unsigned int mode) S;
    void ( APIENTRY *glDeleteTextures) (int n, const unsigned int *textures) S;
    void ( APIENTRY *glDepthFunc) (unsigned int func) S;
    void ( APIENTRY *glDepthMask) (unsigned char flag) S;
    void ( APIENTRY *glDepthRangef) (float zNear, float zFar) S;
    void ( APIENTRY *glDepthRangex) (int zNear, int zFar) S;
    void ( APIENTRY *glDisable) (unsigned int cap) S;
    void ( APIENTRY *glDisableClientState) (unsigned int array) S;
    void ( APIENTRY *glDrawArrays) (unsigned int mode, int first, int count) S;
    void ( APIENTRY *glDrawElements) (unsigned int mode, int count, unsigned int type, const void *indices) S;
    void ( APIENTRY *glEnable) (unsigned int cap) S;
    void ( APIENTRY *glEnableClientState) (unsigned int array) S;
    void ( APIENTRY *glFinish) (void) S;
    void ( APIENTRY *glFlush) (void) S;
    void ( APIENTRY *glFogf) (unsigned int pname, float param) S;
	void ( APIENTRY *glFogfv) (unsigned int pname, const float *params) S;
    void ( APIENTRY *glFogx) (unsigned int pname, int param) S;
    void ( APIENTRY *glFogxv) (unsigned int pname, const int *params) S;
    void ( APIENTRY *glFrontFace) (unsigned int mode) S;
    void ( APIENTRY *glFrustumf) (float left, float right, float bottom, float top, float zNear, float zFar) S;
	void ( APIENTRY *glFrustumx) (int left, int right, int bottom, int top, int zNear, int zFar) S;
    void ( APIENTRY *glGenTextures) (int n, unsigned int *textures) S;
    unsigned int ( APIENTRY *glGetError) (void) S;
	void ( APIENTRY *glGetIntegerv) (unsigned int pname, int *params) S;
    const unsigned char * ( APIENTRY *glGetString) (unsigned int name) S;
    void ( APIENTRY *glHint) (unsigned int target, unsigned int mode) S;
	void ( APIENTRY *glLightModelf) (unsigned int pname, float param) S;
    void ( APIENTRY *glLightModelfv) (unsigned int pname, const float *params) S;
    void ( APIENTRY *glLightModelx) (unsigned int pname, int param) S;
    void ( APIENTRY *glLightModelxv) (unsigned int pname, const int *params) S;
    void ( APIENTRY *glLightf) (unsigned int light, unsigned int pname, float param) S;
    void ( APIENTRY *glLightfv) (unsigned int light, unsigned int pname, const float *params) S;
    void ( APIENTRY *glLightx) (unsigned int light, unsigned int pname, int param) S;
    void ( APIENTRY *glLightxv) (unsigned int light, unsigned int pname, const int *params) S;
    void ( APIENTRY *glLineWidth) (float width) S;
    void ( APIENTRY *glLineWidthx) (int width) S;
    void ( APIENTRY *glLoadIdentity) (void) S;
    void ( APIENTRY *glLoadMatrixf) (const float *m) S;
    void ( APIENTRY *glLoadMatrixx) (const int *m) S;
    void ( APIENTRY *glLogicOp) (unsigned int opcode) S;
    void ( APIENTRY *glMaterialf) (unsigned int face, unsigned int pname, float param) S;
    void ( APIENTRY *glMaterialfv) (unsigned int face, unsigned int pname, const float *params) S;
    void ( APIENTRY *glMaterialx) (unsigned int face, unsigned int pname, int param) S;
    void ( APIENTRY *glMaterialxv) (unsigned int face, unsigned int pname, const int *params) S;
    void ( APIENTRY *glMatrixMode) (unsigned int mode) S;
    void ( APIENTRY *glMultMatrixf) (const float *m) S;
    void ( APIENTRY *glMultMatrixx) (const int *m) S;
    void ( APIENTRY *glMultiTexCoord4f) (unsigned int target, float s, float t, float r, float q) S;
    void ( APIENTRY *glMultiTexCoord4x) (unsigned int target, int s, int t, int r, int q) S;
    void ( APIENTRY *glNormal3f) (float nx, float ny, float nz) S;
    void ( APIENTRY *glNormal3x) (int nx, int ny, int nz) S;
    void ( APIENTRY *glNormalPointer) (unsigned int type, int stride, const void *pointer) S;
    void ( APIENTRY *glOrthof) (float left, float right, float bottom, float top, float zNear, float zFar) S;
    void ( APIENTRY *glOrthox) (int left, int right, int bottom, int top, int zNear, int zFar) S;
    void ( APIENTRY *glPixelStorei) (unsigned int pname, int param) S;
    void ( APIENTRY *glPointSize) (float size) S;
    void ( APIENTRY *glPointSizex) (int size) S;
    void ( APIENTRY *glPolygonOffset) (float factor, float units) S;
    void ( APIENTRY *glPolygonOffsetx) (int factor, int units) S;
    void ( APIENTRY *glPopMatrix) (void) S;
    void ( APIENTRY *glPushMatrix) (void) S;
    unsigned int ( APIENTRY *glQueryMatrixxOES) (int mantissa[16], int exponent[16]) S;
    void ( APIENTRY *glReadPixels) (int x, int y, int width, int height, unsigned int format, unsigned int type, void *pixels) S;
    void ( APIENTRY *glRotatef) (float angle, float x, float y, float z) S;
    void ( APIENTRY *glRotatex) (int angle, int x, int y, int z) S;
    void ( APIENTRY *glSampleCoverage) (float value, unsigned char invert) S;
    void ( APIENTRY *glSampleCoveragex) (int value, unsigned char invert) S;
    void ( APIENTRY *glScalef) (float x, float y, float z) S;
    void ( APIENTRY *glScalex) (int x, int y, int z) S;
    void ( APIENTRY *glScissor) (int x, int y, int width, int height) S;
    void ( APIENTRY *glShadeModel) (unsigned int mode) S;
    void ( APIENTRY *glStencilFunc) (unsigned int func, int ref, unsigned int mask) S;
    void ( APIENTRY *glStencilMask) (unsigned int mask) S;
    void ( APIENTRY *glStencilOp) (unsigned int fail, unsigned int zfail, unsigned int zpass) S;
    void ( APIENTRY *glTexCoordPointer) (int size, unsigned int type, int stride, const void *pointer) S;
    void ( APIENTRY *glTexEnvf) (unsigned int target, unsigned int pname, float param) S;
    void ( APIENTRY *glTexEnvfv) (unsigned int target, unsigned int pname, const float *params) S;
    void ( APIENTRY *glTexEnvx) (unsigned int target, unsigned int pname, int param) S;
    void ( APIENTRY *glTexEnvxv) (unsigned int target, unsigned int pname, const int *params) S;
    void ( APIENTRY *glTexImage2D) (unsigned int target, int level, int internalformat, int width, int height, int border, unsigned int format, unsigned int type, const void *pixels) S;
    void ( APIENTRY *glTexParameterf) (unsigned int target, unsigned int pname, float param) S;
    void ( APIENTRY *glTexParameterx) (unsigned int target, unsigned int pname, int param) S;
    void ( APIENTRY *glTexSubImage2D) (unsigned int target, int level, int xoffset, int yoffset, int width, int height, unsigned int format, unsigned int type, const void *pixels) S;
    void ( APIENTRY *glTranslatef) (float x, float y, float z) S;
    void ( APIENTRY *glTranslatex) (int x, int y, int z) S;
    void ( APIENTRY *glVertexPointer) (int size, unsigned int type, int stride, const void *pointer) S;
    void ( APIENTRY *glViewport) (int x, int y, int width, int height) S;
    int (*eglSwapInterval) (int dpy, int interval) S;
    void ( APIENTRY *glBindBuffer) (unsigned int target, unsigned int buffer) S;
    void ( APIENTRY *glBufferData) (unsigned int target, int size, const void *data, unsigned int usage) S;
    void ( APIENTRY *glBufferSubData) (unsigned int target, int offset,int size, const void *data) S;
    void ( APIENTRY *glClipPlanef) (unsigned int plane, const float *equation) S;
    void ( APIENTRY *glClipPlanex) (unsigned int plane, const int *equation) S;
    void ( APIENTRY *glColor4ub) (unsigned char red, unsigned char green, unsigned char blue, unsigned char alpha) S;
    void ( APIENTRY *glDeleteBuffers) (int n, const unsigned int *buffers) S;
    void ( APIENTRY *glGenBuffers) (int n, unsigned int *buffers) S;
    void ( APIENTRY *glGetBooleanv) (unsigned int pname, unsigned char *params) S;
    void ( APIENTRY *glGetBufferParameteriv) (unsigned int target, unsigned int pname, int *params) S;
    void ( APIENTRY *glGetClipPlanef) (unsigned int pname, float eqn[4]) S;
    void ( APIENTRY *glGetClipPlanex) (unsigned int pname, int eqn[4]) S;
    void ( APIENTRY *glGetFixedv) (unsigned int pname, int *params) S;
    void ( APIENTRY *glGetFloatv) (unsigned int pname, float *params) S;
    void ( APIENTRY *glGetLightfv) (unsigned int light, unsigned int pname, float *params) S;
    void ( APIENTRY *glGetLightxv) (unsigned int light, unsigned int pname, int *params) S;
    void ( APIENTRY *glGetMaterialfv) (unsigned int face, unsigned int pname, float *params) S;
    void ( APIENTRY *glGetMaterialxv) (unsigned int face, unsigned int pname, int *params) S;
    void ( APIENTRY *glGetPointerv) (unsigned int pname, void **params) S;
    void ( APIENTRY *glGetTexEnvfv) (unsigned int env, unsigned int pname, float *params) S;
    void ( APIENTRY *glGetTexEnviv) (unsigned int env, unsigned int pname, int *params) S;
    void ( APIENTRY *glGetTexEnvxv) (unsigned int env, unsigned int pname, int *params) S;
    void ( APIENTRY *glGetTexParameterfv) (unsigned int target, unsigned int pname, float *params) S;
    void ( APIENTRY *glGetTexParameteriv) (unsigned int target, unsigned int pname, int *params) S;
    void ( APIENTRY *glGetTexParameterxv) (unsigned int target, unsigned int pname, int *params) S;
    unsigned char ( APIENTRY *glIsBuffer) (unsigned int buffer) S;
    unsigned char ( APIENTRY *glIsEnabled) (unsigned int cap) S;
    unsigned char ( APIENTRY *glIsTexture) (unsigned int texture) S;
    void ( APIENTRY *glPointParameterf) (unsigned int pname, float param) S;
    void ( APIENTRY *glPointParameterfv) (unsigned int pname, const float *params) S;
    void ( APIENTRY *glPointParameterx) (unsigned int pname, int param) S;
    void ( APIENTRY *glPointParameterxv) (unsigned int pname, const int *params) S;
    void ( APIENTRY *glPointSizePointerOES) (unsigned int type, int stride, const void *pointer) S;
    void ( APIENTRY *glTexEnvi) (unsigned int target, unsigned int pname, int param) S;
    void ( APIENTRY *glTexEnviv) (unsigned int target, unsigned int pname, const int *params) S;
    void ( APIENTRY *glTexParameterfv) (unsigned int target, unsigned int pname, const float *params) S;
    void ( APIENTRY *glTexParameteri) (unsigned int target, unsigned int pname, int param) S;
    void ( APIENTRY *glTexParameteriv) (unsigned int target, unsigned int pname, const int *params) S;
    void ( APIENTRY *glTexParameterxv) (unsigned int target, unsigned int pname, const int *params) S;

    int (*eglBindTexImage) (int dpy, int surface, int buffer) S;
    int (*eglReleaseTexImage) (int dpy, int surface, int buffer) S;
    int (*eglSurfaceAttrib) (int dpy, int surface, int attribute, int value) S;

#ifdef USE_CORE_PROFILE
	void ( APIENTRY *glOrtho) (double left, double right, double bottom, double top, double zNear, double zFar) S;
	void ( APIENTRY *glDepthRange) (double zNear, double zFar) S;
#endif	

    };
#if !defined (__WINS__)
    #if	defined(__TARGET_FPU_VFP)
        #pragma no_softfp_linkage
    #endif
#endif


#endif