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// Copyright 2010-2012 The W32 Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package w32
import (
"syscall"
"unsafe"
)
var (
modopengl32 = syscall.NewLazyDLL("opengl32.dll")
procwglCreateContext = modopengl32.NewProc("wglCreateContext")
procwglCreateLayerContext = modopengl32.NewProc("wglCreateLayerContext")
procwglDeleteContext = modopengl32.NewProc("wglDeleteContext")
procwglGetProcAddress = modopengl32.NewProc("wglGetProcAddress")
procwglMakeCurrent = modopengl32.NewProc("wglMakeCurrent")
procwglShareLists = modopengl32.NewProc("wglShareLists")
)
func WglCreateContext(hdc HDC) HGLRC {
ret, _, _ := procwglCreateContext.Call(
uintptr(hdc),
)
return HGLRC(ret)
}
func WglCreateLayerContext(hdc HDC, iLayerPlane int) HGLRC {
ret, _, _ := procwglCreateLayerContext.Call(
uintptr(hdc),
uintptr(iLayerPlane),
)
return HGLRC(ret)
}
func WglDeleteContext(hglrc HGLRC) bool {
ret, _, _ := procwglDeleteContext.Call(
uintptr(hglrc),
)
return ret == TRUE
}
func WglGetProcAddress(szProc string) uintptr {
ret, _, _ := procwglGetProcAddress.Call(
uintptr(unsafe.Pointer(syscall.StringBytePtr(szProc))),
)
return ret
}
func WglMakeCurrent(hdc HDC, hglrc HGLRC) bool {
ret, _, _ := procwglMakeCurrent.Call(
uintptr(hdc),
uintptr(hglrc),
)
return ret == TRUE
}
func WglShareLists(hglrc1, hglrc2 HGLRC) bool {
ret, _, _ := procwglShareLists.Call(
uintptr(hglrc1),
uintptr(hglrc2),
)
return ret == TRUE
}
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