Merge "Fix compatibility problems with newer GLES Khronos headers."

#ifndef GL_VERSION_ES_CM_1_0

#define GL_VERSION_ES_CM_1_0 1

typedef void GLvoid;

typedef char GLchar;

typedef unsigned int GLenum;

#include <KHR/khrplatform.h>

typedef khronos_float_t GLfloat;

#ifndef GL_OES_byte_coordinates

#define GL_OES_byte_coordinates 1

typedef khronos_int8_t GLbyte;

#endif /* GL_OES_byte_coordinates */

#ifndef GL_OES_compressed_ETC1_RGB8_sub_texture

#ifndef GL_OES_draw_texture

#define GL_OES_draw_texture 1

typedef short GLshort;

#define GL_TEXTURE_CROP_RECT_OES          0x8B9D

typedef void (GL_APIENTRYP PFNGLDRAWTEXSOESPROC) (GLshort x, GLshort y, GLshort z, GLshort width, GLshort height);

typedef void (GL_APIENTRYP PFNGLDRAWTEXIOESPROC) (GLint x, GLint y, GLint z, GLint width, GLint height);

#ifndef GL_OES_single_precision

#define GL_OES_single_precision 1

typedef khronos_float_t GLclampf;

typedef void (GL_APIENTRYP PFNGLCLEARDEPTHFOESPROC) (GLclampf depth);

typedef void (GL_APIENTRYP PFNGLCLIPPLANEFOESPROC) (GLenum plane, const GLfloat *equation);

typedef void (GL_APIENTRYP PFNGLDEPTHRANGEFOESPROC) (GLclampf n, GLclampf f);