new file mode 100644
--- /dev/null
+++ b/pytouhou/lib/opengl.pxd
@@ -0,0 +1,108 @@
+# -*- encoding: utf-8 -*-
+##
+## Copyright (C) 2013 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
+##
+## 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; version 3 only.
+##
+## 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.
+##
+
+cdef extern from 'GL/gl.h':
+    ctypedef unsigned int GLuint
+    ctypedef int GLint
+    ctypedef float GLfloat
+    ctypedef float GLclampf
+    ctypedef char GLboolean
+    ctypedef char GLchar
+    ctypedef unsigned int GLsizei
+    ctypedef unsigned int GLsizeiptr
+    ctypedef unsigned int GLbitfield
+    ctypedef void GLvoid
+
+    ctypedef enum GLenum:
+        GL_ARRAY_BUFFER
+        GL_STATIC_DRAW
+        GL_DYNAMIC_DRAW
+        GL_UNSIGNED_BYTE
+        GL_UNSIGNED_SHORT
+        GL_INT
+        GL_FLOAT
+        GL_SRC_ALPHA
+        GL_ONE_MINUS_SRC_ALPHA
+        GL_ONE
+        GL_TEXTURE_2D
+        GL_TRIANGLES
+        GL_DEPTH_TEST
+        GL_QUADS
+
+        GL_TEXTURE_MIN_FILTER
+        GL_TEXTURE_MAG_FILTER
+        GL_LINEAR
+        GL_BGRA
+        GL_RGBA
+        GL_RGB
+        GL_LUMINANCE
+        GL_UNSIGNED_SHORT_5_6_5
+        GL_UNSIGNED_SHORT_4_4_4_4_REV
+
+        GL_COLOR_BUFFER_BIT
+        GL_SCISSOR_TEST
+        GL_MODELVIEW
+        GL_FOG
+
+        GL_DEPTH_BUFFER_BIT
+        GL_PROJECTION
+        GL_FOG_MODE
+        GL_FOG_START
+        GL_FOG_END
+        GL_FOG_COLOR
+
+        GL_BLEND
+        GL_PERSPECTIVE_CORRECTION_HINT
+        GL_FOG_HINT
+        GL_NICEST
+        GL_COLOR_ARRAY
+        GL_VERTEX_ARRAY
+        GL_TEXTURE_COORD_ARRAY
+
+    void glVertexPointer(GLint size, GLenum type_, GLsizei stride, GLvoid *pointer)
+    void glTexCoordPointer(GLint size, GLenum type_, GLsizei stride, GLvoid *pointer)
+    void glColorPointer(GLint size, GLenum type_, GLsizei stride, GLvoid *pointer)
+    void glVertexAttribPointer(GLuint index, GLint size, GLenum type_, GLboolean normalized, GLsizei stride, const GLvoid *pointer)
+    void glEnableVertexAttribArray(GLuint index)
+
+    void glBlendFunc(GLenum sfactor, GLenum dfactor)
+    void glDrawArrays(GLenum mode, GLint first, GLsizei count)
+    void glDrawElements(GLenum mode, GLsizei count, GLenum type_, const GLvoid *indices)
+    void glEnable(GLenum cap)
+    void glDisable(GLenum cap)
+
+    void glGenBuffers(GLsizei n, GLuint * buffers)
+    void glDeleteBuffers(GLsizei n, const GLuint * buffers)
+    void glBindBuffer(GLenum target, GLuint buffer_)
+    void glBufferData(GLenum target, GLsizeiptr size, const GLvoid *data, GLenum usage)
+
+    void glGenTextures(GLsizei n, GLuint *textures)
+    void glBindTexture(GLenum target, GLuint texture)
+    void glTexParameteri(GLenum target, GLenum pname, GLint param)
+    void glTexImage2D(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format_, GLenum type_, const GLvoid *data)
+
+    void glClearColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) #XXX
+    void glClear(GLbitfield mask)
+    void glViewport(GLint x, GLint y, GLsizei width, GLsizei height)
+    void glScissor(GLint x, GLint y, GLsizei width, GLsizei height)
+    void glMatrixMode(GLenum mode)
+    void glLoadIdentity()
+    void glLoadMatrixf(const GLfloat * m)
+
+    void glFogi(GLenum pname, GLint param)
+    void glFogf(GLenum pname, GLfloat param)
+    void glFogfv(GLenum pname, const GLfloat * params)
+
+    void glHint(GLenum target, GLenum mode)
+    void glEnableClientState(GLenum cap)