public spriteTexture(WebGLRenderingContext webgl, string url = null, textureformat format = textureformat.RGBA, bool mipmap = false, bool linear = true)
{
this.webgl = webgl;
this.format = format;
this.mat = new spriteMat();//ness
this.mat.tex0 = this;
this.mat.transparent = true;
this.mat.shader = "spritedefault";
if (url == null)//不给定url 则 texture 不加载
{
return;
}
this.texture = webgl.CreateTexture();
this.img = new Bridge.Html5.HTMLImageElement();// Image();// HTMLImageElement(); //ness
this.img.Src = url;
this.img.OnLoad = (e) =>
{
if (this.disposeit)
{
this.img = null;
return;
}
this._loadimg(mipmap, linear);
};
}
public static TextureInfo Create(WebGLRenderingContext gl, string fileName)
{
var texture = gl.CreateTexture();
var textureInfo = new TextureInfo(
texture: texture,
width: Optional <int> .Missing,
height: Optional <int> .Missing
);
var image = new HTMLImageElement();
image.Src = fileName;
image.OnLoad = (ev) =>
{
textureInfo.Width = image.Width;
textureInfo.Height = image.Height;
gl.BindTexture(gl.TEXTURE_2D, textureInfo.Texture);
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
textureInfo.OnLoad?.Invoke();
};
return(textureInfo);
}
static public spriteTexture fromRaw(WebGLRenderingContext webgl, HTMLImageElement img, textureformat format = textureformat.RGBA, bool mipmap = false, bool linear = true)
{
var st = new spriteTexture(webgl, null, format, mipmap, linear);
st.texture = webgl.CreateTexture();
st.img = img;
st._loadimg(mipmap, linear);
return(st);
}
public void InitTexture()
{
this.texture = gl.CreateTexture();
var textureImageElement = new HTMLImageElement();
textureImageElement.OnLoad = (ev) =>
{
this.HandleLoadedTexture(textureImageElement);
};
textureImageElement.Src = this.textureImageSrc;
}
public override void BindTexture(uint target, uint texture)
{
WebGLTexture t = _textures[texture];
if (t == null)
{
t = gl.CreateTexture();
_textures[texture] = t;
}
//Log("binding texture " + t + " id " + texture + " for activeTexture: " + (_activeTexture - TEXTURE0));
gl.BindTexture(target, t); CheckError("glBindTexture");
_boundTextureId[_activeTexture] = texture;
//glColor3f((float)Math.Random(), (float)Math.Random(), (float)Math.Random());
}
public void InitTexture(WebGLRenderingContext gl, string file)
{
Name = file;
this.WebGLTexture = gl.CreateTexture();
var textureImageElement = new HTMLImageElement();
textureImageElement.OnLoad = (ev) =>
{
this.HandleLoadedTexture(textureImageElement, gl);
Width = textureImageElement.Width;
Height = textureImageElement.Height;
Console.WriteLine("OnLoad");
};
textureImageElement.Src = file;
}
