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Unix.WMGLWindow.Mod
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Unix.WMGLWindow.Mod
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MODULE WMGLWindow; (** AUTHOR "fnecati"; PURPOSE "an OpenGL Context enabled WM.Window using GLXPixmap for LinuxAos"; *)
IMPORT
WM := WMWindowManager, KernelLog, GLContext := GLContext, WMMessages;
CONST debug = TRUE;
TYPE Context = GLContext.Context;
TYPE
Window* = OBJECT(WM.DoubleBufferWindow)
VAR
context {UNTRACED} : Context;
PROCEDURE &Init*(w, h: LONGINT; alpha: BOOLEAN);
BEGIN
Init^(w, h, alpha); (* use alpha, for 32bpp img *)
NEW(context);
context.Init( w, h);
END Init;
(** *)
PROCEDURE Close*();
BEGIN
context.Close();
context := NIL;
Close^;
END Close;
PROCEDURE MakeCurrent*();
BEGIN
context.MakeCurrent();
(* GLShaderUtils.PrintOpenGLError("ERROR Context.MakeCurrent: "); *)
END MakeCurrent;
PROCEDURE DeActivate*();
BEGIN
context.DeActivate();
END DeActivate;
PROCEDURE SwapGLBuffer*();
BEGIN
context.RenderInto(backImg);
END SwapGLBuffer;
PROCEDURE Reshape*(w,h: LONGINT);
END Reshape;
PROCEDURE UpdateImage*();
END UpdateImage;
PROCEDURE MyResized(w, h: LONGINT);
BEGIN
IF (backImg = NIL) OR (backImg.adr = NIL) THEN RETURN END;
ReInit(w, h);
IF context.Resize(w, h) THEN
Reshape(w, h);
UpdateImage;
(* KernelLog.String("WMGLWindow Resized TRUE"); KernelLog.Ln; *)
ELSE
(* KernelLog.String("WMGLWindow Resized FALSE"); KernelLog.Ln; *)
END;
END MyResized;
PROCEDURE Handle*(VAR m : WMMessages.Message);
BEGIN
IF m.msgType = WMMessages.MsgResized THEN
MyResized(m.x, m.y);
ELSE
Handle^(m);
END;
END Handle;
PROCEDURE GetDisplay*(): LONGWORD;
BEGIN
RETURN context.GetDisplay();
END GetDisplay;
PROCEDURE GetContext*(): LONGWORD;
BEGIN
RETURN context.GetContext();
END GetContext;
PROCEDURE GetScreen*(): LONGINT;
BEGIN
RETURN 0; (*context.glWin.screen *)
END GetScreen;
END Window;
BEGIN
END WMGLWindow.
System.Free WMGLWindow ~
System.FreeDownTo OpenGL ~