#define GL_TEXTURE_WRAP_T 0x2803
#define GL_TEXTURE_MAG_FILTER 0x2800
#define GL_TEXTURE_MIN_FILTER 0x2801
+#define GL_UNPACK_ALIGNMENT 0x0CF5
#define GL_NEAREST 0x2600
#define GL_LINEAR 0x2601
extern void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
-//extern void (GLAPIENTRY *qglStencilFunc)(GLenum func, GLint ref, GLuint mask);
-//extern void (GLAPIENTRY *qglStencilMask)(GLuint mask);
-//extern void (GLAPIENTRY *qglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
-//extern void (GLAPIENTRY *qglClearStencil)(GLint s);
+extern void (GLAPIENTRY *qglStencilFunc)(GLenum func, GLint ref, GLuint mask);
+extern void (GLAPIENTRY *qglStencilMask)(GLuint mask);
+extern void (GLAPIENTRY *qglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
+extern void (GLAPIENTRY *qglClearStencil)(GLint s);
//extern void (GLAPIENTRY *qglTexEnvf)(GLenum target, GLenum pname, GLfloat param);
extern void (GLAPIENTRY *qglTexEnvi)(GLenum target, GLenum pname, GLint param);
extern void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels );
extern void (GLAPIENTRY *qglTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
extern void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures);
+extern void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param);
+extern void (GLAPIENTRY *qglPixelStorei)(GLenum pname, GLint param);
#if WIN32
extern int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);