uidriver/glfw: Set No-API when creating a hidden window first

GLFW tries to create an OpenGL context by default when creating a
window. This is not necessary when OpenGL is not used. This is an
optimization by skipping to create an OpenGL context if possible.
This commit is contained in:
Hajime Hoshi 2020-07-05 15:00:56 +09:00
parent 8369a4cc15
commit 3eaa7dd0e1
2 changed files with 3 additions and 0 deletions

View File

@ -97,6 +97,7 @@ const (
CursorHidden = 0x00034002
CursorNormal = 0x00034001
NoAPI = 0
OpenGLAPI = 0x00030001
)
const (

View File

@ -130,6 +130,7 @@ func initialize() error {
return err
}
glfw.WindowHint(glfw.Visible, glfw.False)
glfw.WindowHint(glfw.ClientAPI, glfw.NoAPI)
// Create a window to set the initial monitor.
w, err := glfw.CreateWindow(16, 16, "", nil, nil)
@ -660,6 +661,7 @@ func (u *UserInterface) run() error {
u.window = nil
if u.Graphics().IsGL() {
glfw.WindowHint(glfw.ClientAPI, glfw.OpenGLAPI)
glfw.WindowHint(glfw.ContextVersionMajor, 2)
glfw.WindowHint(glfw.ContextVersionMinor, 1)
} else {