Merge pull request #2230 from ftphikari/master

sys/windows: added helper gl proc

core/sys/windows/wgl.odin

@@ -85,3 +85,8 @@ foreign Opengl32 {
 	wglUseFontBitmaps         :: proc(hdc: HDC, first, count, list_base: DWORD) -> BOOL ---
 	wglUseFontOutlines        :: proc(hdc: HDC, first, count, list_base: DWORD, deviation, extrusion: f32, format: c.int, gmf: LPGLYPHMETRICSFLOAT) -> BOOL ---
 }
+
+// Used by vendor:OpenGL
+gl_set_proc_address :: proc(p: rawptr, name: cstring) {
+	(^rawptr)(p)^ = wglGetProcAddress(name)
+}

vendor/OpenGL/README.md

@@ -7,17 +7,11 @@ Includes procedures to load OpenGL function pointers. Currently only supports th
 ```go
 gl.load_up_to(4, 5, proc(p: rawptr, name: cstring) do (cast(^rawptr)p)^ = glfw.GetProcAddress(name); );
 ```
-[odin-glfw](https://github.com/vassvik/odin-glfw) also provides a useful helper you can pass straight to `gl.load_up_to`:
+`vendor:glfw` also provides a useful helper you can pass straight to `gl.load_up_to`:
 ```go
 gl.load_up_to(4, 5, glfw.gl_set_proc_address);
 ```
 
-#### NOTE: It is recommended to put this into the shared collection:
-```
-cd /path/to/Odin/shared
-git clone https://github.com/vassvik/odin-gl.git
-```
-
 ## Extra utility procedures (Outdated. See the end of `gl.odin`)
 
 Some useful helper procedures can be found in `helpers.odin`, for tasks such as:
@@ -56,4 +50,4 @@ glGetError() returned NO_ERROR
 glGetError() returned NO_ERROR
    call: glClearColor(0.800, 0.800, 0.800, 1.000)
    in:   C:/<snip>/main.odin(272:6)
-```
+```