gl.rs (#343)

Moved gl.rs to the correct folder and made the um-gl feature
Added missing um/gl/mod.rs file
Moved doc header comment in the right position.
That's what you get for changing things without testing them

Cargo.toml

@@ -130,6 +130,7 @@ headers = ["headers-shared", "headers-um", "headers-vc", "headers-winrt"]
     "um-dwrite",
     "um-errhandlingapi",
     "um-fileapi",
+    "um-gl",
     "um-handleapi",
     "um-heapapi",
     "um-http",
@@ -201,6 +202,7 @@ headers = ["headers-shared", "headers-um", "headers-vc", "headers-winrt"]
 "um-dwrite" = ["shared-basetsd", "shared-minwindef", "shared-windef", "shared-winerror", "um-dcommon", "um-unknwnbase", "um-wingdi", "um-winnt"]
 "um-errhandlingapi" = ["um-winnt"]
 "um-fileapi" = ["shared-minwindef", "um-minwinbase", "um-winnt"]
+"um-gl" = []
 "um-handleapi" = ["shared-minwindef", "um-winnt", "kernel32"]
 "um-heapapi" = ["shared-basetsd", "shared-minwindef"]
 "um-http" = ["shared-guiddef", "shared-minwindef", "shared-sspi", "um-winnt", "um-winsock2"]

src/um/gl/gl.rs

@@ -0,0 +1,42 @@
+// Copyright © 2015, Peter Atashian
+// Licensed under the MIT License <LICENSE.md>
+
+use ctypes::{c_double, c_float, c_int, c_uchar, c_uint, c_ushort, c_schar, c_short, c_void};
+
+//48
+pub type GLenum = c_uint;
+pub type GLboolean = c_uchar;
+pub type GLbitfield = c_uint;
+pub type GLbyte = c_schar;
+pub type GLshort = c_short;
+pub type GLint = c_int;
+pub type GLsizei = c_int;
+pub type GLubyte = c_uchar;
+pub type GLushort = c_ushort;
+pub type GLuint = c_uint;
+pub type GLfloat = c_float;
+pub type GLclampf = c_float;
+pub type GLdouble = c_double;
+pub type GLclampd = c_double;
+pub type GLvoid = c_void;
+//63
+//68
+//AccumOp
+pub const GL_ACCUM: GLenum = 0x0100;
+pub const GL_LOAD: GLenum = 0x0101;
+pub const GL_RETURN: GLenum = 0x0102;
+pub const GL_MULT: GLenum = 0x0103;
+pub const GL_ADD: GLenum = 0x0104;
+//AlphaFunction
+pub const GL_NEVER: GLenum = 0x0200;
+pub const GL_LESS: GLenum = 0x0201;
+pub const GL_EQUAL: GLenum = 0x0202;
+pub const GL_LEQUAL: GLenum = 0x0203;
+pub const GL_GREATER: GLenum = 0x0204;
+pub const GL_NOTEQUAL: GLenum = 0x0205;
+pub const GL_GEQUAL: GLenum = 0x0206;
+pub const GL_ALWAYS: GLenum = 0x0207;
+
+// TODO: we're missing about 1500 lines of defines and methods
+// until that time, you can use the excellent GL crate
+// https://github.com/brendanzab/gl-rs

src/um/gl/mod.rs

@@ -0,0 +1,9 @@
+// Copyright © 2016 winapi-rs developers
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// All files in the project carrying such notice may not be copied, modified, or distributed
+// except according to those terms.
+//! Headers for user mode only
+
+#[cfg(feature = "um-gl")] pub mod gl;

src/um/mod.rs

@@ -5,6 +5,9 @@
 // All files in the project carrying such notice may not be copied, modified, or distributed
 // except according to those terms.
 //! Headers for user mode only
+
+pub mod gl;
+
 #[cfg(feature = "um-audioclient")] pub mod audioclient;
 #[cfg(feature = "um-audiosessiontypes")] pub mod audiosessiontypes;
 #[cfg(feature = "um-cfgmgr32")] pub mod cfgmgr32;