gistfile1.txt

//
// let glfns = gl::init();
//
// glfns.glViewport(0, 0, width as GLsizei, height as GLsizei);
//

struct GLProc {
    glCullFace:                 extern fn(++mode: GLenum),
    glFrontFace:                extern fn(++mode: GLenum),
    glHint:                     extern fn(++target: GLenum, ++mode: GLenum),
    glLineWidth:                extern fn(++width: GLfloat),
    glPointSize:                extern fn(++size: GLfloat),
    glPolygonMode:              extern fn(++face: GLenum, ++mode: GLenum),
    glScissor:                  extern fn(++x: GLint, ++y: GLint, ++width: GLsizei, ++height: GLsizei),
    glTexParameterf:            extern fn(++target: GLenum, ++pname: GLenum, ++param: GLfloat),
    glTexParameterfv:           extern fn(++target: GLenum, ++pname: GLenum, ++params: *GLfloat),
    glTexParameteri:            extern fn(++target: GLenum, ++pname: GLenum, ++param: GLint),
    glTexParameteriv:           extern fn(++target: GLenum, ++pname: GLenum, ++params: *GLint),
    glTexImage1D:               extern fn(++target: GLenum, ++level: GLint, ++internalformat: GLint, ++width: GLsizei, ++border: GLint, ++format: GLenum, ++gltype: GLenum, ++pixels: *GLvoid),
    glTexImage2D:               extern fn(++target: GLenum, ++level: GLint, ++internalformat: GLint, ++width: GLsizei, ++height: GLsizei, ++border: GLint, ++format: GLenum, ++gltype: GLenum, ++pixels: *GLvoid),
    glDrawBuffer:               extern fn(++mode: GLenum),
    glClear:                    extern fn(++mask: GLbitfield),
    glClearColor:               extern fn(++red: GLfloat, ++green: GLfloat, ++blue: GLfloat, ++alpha: GLfloat),
    glClearStencil:             extern fn(++s: GLint),
    glClearDepth:               extern fn(++depth: GLdouble),
    glStencilMask:              extern fn(++mask: GLuint),
    glColorMask:                extern fn(++red: GLboolean, ++green: GLboolean, ++blue: GLboolean, ++alpha: GLboolean),
    glDepthMask:                extern fn(++flag: GLboolean),
    glDisable:                  extern fn(++cap: GLenum),
    glEnable:                   extern fn(++cap: GLenum),
    glFinish:                   extern fn(),
    glFlush:                    extern fn(),
    glBlendFunc:                extern fn(++sfactor: GLenum, ++dfactor: GLenum),
    glLogicOp:                  extern fn(++opcode: GLenum),
    glStencilFunc:              extern fn(++func: GLenum, ++glref: GLint, ++mask: GLuint),
    glStencilOp:                extern fn(++glfail: GLenum, ++zfail: GLenum, ++zpass: GLenum),
    glDepthFunc:                extern fn(++func: GLenum),
    glPixelStoref:              extern fn(++pname: GLenum, ++param: GLfloat),
    glPixelStorei:              extern fn(++pname: GLenum, ++param: GLint),
    glReadBuffer:               extern fn(++mode: GLenum),
    glReadPixels:               extern fn(++x: GLint, ++y: GLint, ++width: GLsizei, ++height: GLsizei, ++format: GLenum, ++gltype: GLenum, ++pixels: *GLvoid),
    glGetBooleanv:              extern fn(++pname: GLenum, ++params: *GLboolean),
    glGetDoublev:               extern fn(++pname: GLenum, ++params: *GLdouble),
    glGetError:                 extern fn() -> GLenum,
    glGetFloatv:                extern fn(++pname: GLenum, ++params: *GLfloat),
    glGetIntegerv:              extern fn(++pname: GLenum, ++params: *GLint),
    glGetString:                extern fn(++name: GLenum) -> *GLubyte,
    glGetTexImage:              extern fn(++target: GLenum, ++level: GLint, ++format: GLenum, ++gltype: GLenum, ++pixels: *GLvoid),
    glGetTexParameterfv:        extern fn(++target: GLenum, ++pname: GLenum, ++params: *GLfloat),
    glGetTexParameteriv:        extern fn(++target: GLenum, ++pname: GLenum, ++params: *GLint),
    glGetTexLevelParameterfv:   extern fn(++target: GLenum, ++level: GLint, ++pname: GLenum, ++params: *GLfloat),
    glGetTexLevelParameteriv:   extern fn(++target: GLenum, ++level: GLint, ++pname: GLenum, ++params: *GLint),
    glIsEnabled:                extern fn(++cap: GLenum) -> GLboolean,
    glDepthRange:               extern fn(++near: GLdouble, ++far: GLdouble),
    glViewport:                 extern fn(++x: GLint, ++y: GLint, ++width: GLsizei, ++height: GLsizei),
    
    // ...
}