Files
stgsharp/源代码/StgSharp/Graphics/Graphic.cs
T

117 lines
3.2 KiB
C#

using StgSharp.Control;
using StgSharp.Graphics;
using System;
namespace StgSharp
{
public static unsafe partial class Graphic
{
internal static GraphicIOPack glIO;
private static bool isGLSet = false;
private static bool isGLADset = false;
private static bool isGLready = false;
/// <summary>
/// Load OpenGL API to StgSharp core programm,
/// please call this method before call any other
/// graphic APIs in StgSharp.
/// </summary>
/// <exception cref="Exception">If run this method twice, will throw exception</exception>
public static unsafe void LoadGL()
{
if (!isGLADset)
{
glIO = internalIO.InternalInitGraphicApi();
}
else
{
throw new Exception("Do not load GL api twice.");
}
}
/// <summary>
/// Init an instance of OpenGL program,
/// This method should be called before other
/// graphic methods, after LoadGL method.
/// </summary>
public static void InitGL()
{
if (!isGLSet)
{
internalIO.InternalInitGL();
isGLready = isGLSet && isGLADset;
}
else
{
throw new Exception("Do not init GL twice");
}
}
/// <summary>
/// Attach GLFW API to GLAD,
/// this method should be called after LoadGL
/// and before other graphic method.
/// </summary>
/// <exception cref="Exception">The accident that program cannot attach GLFW to GLAD</exception>
public static unsafe void InitGLAD()
{
if (!isGLADset)
{
int a = internalIO.InternalInitGLAD();
if (a != 0)
{
throw new Exception("Cannot attach GLFW to GLAD!");
}
else
{
isGLready = isGLSet && isGLADset;
return;
}
}
else
{
throw new Exception("Do not init GLAD twice.");
}
}
/*
/// <summary>
/// Init a form, attach its data to GLFW program,
/// and return the pointer of the GLFW package of the form.
/// </summary>
/// <param name="form">The C# instance of the form</param>
/// <returns>Pointer of the GLFW package of this form</returns>
/// <exception cref="Exception">The issue that form is not successfully initilized
/// or GLAD program fail to init</exception>
public static unsafe IntPtr InitWindow(Form form)
{
IntPtr a = internalIO.InternalInitWindow(form.info);
if ((long)a == -1)
{
throw new Exception("Failed to init form.");
}
else if ((long)a == -2)
{
throw new Exception("Failed to load GLAD program.");
}
else
{
return a;
}
}
*/
}
}