public void Delete(CSGL gl)
{
gl.deleteShader(pixel);
gl.deleteShader(vertex);
gl.deleteProgram(handle);
this = default(Effect);
}
public void Draw(CSGL gl)
{
if(!loaded)
{
loaded = true;
}
var fade = (Environment.TickCount / 2000f) % 2;
var col = new Color4(0.5f,fade < 1 ? (fade % 1) : 1 - (fade % 1),fade >= 1 ? (fade % 1) : 1 - (fade % 1),1);
gl.Clear(col,1);
gl.InitMatrix();
gl.EnableVertex();
gl.EnableColor();
fixed(float* pV = v)
gl.VertexPointer(3,0,pV);
fixed(byte* pC = c)
gl.ColorPointer(3,0,pC);
gl.DrawArrays(CSGL.DrawMode.Triangles,0,3);
gl.Finish();
}
public Texture2D(CSGL gl,byte[] data,int width,int height)
{
fixed(uint* h = &handle)
gl.genTextures(1,h);
gl.bindTexture((uint)Texture.Target.T2D,handle);
fixed(byte* pData = data)
gl.texImage2D((uint)Texture.Target.T2D,0,(uint)Texture.InternalFormat.RGBA
,width,height,0,(uint)Texture.Format.RGBA,(uint)Texture.Type.RGBA8,pData);
}
public Effect(CSGL gl,string vertexShader,string pixelShader)
{
handle = gl.createProgram();
vertex = gl.createShader((uint)ShaderType.Vertex);
pixel = gl.createShader((uint)ShaderType.Fragment);
fixed(byte* source = Encoding.ASCII.GetBytes(vertexShader))
fixed(byte** sources = new byte*[] { source })
gl.shaderSource(vertex,1,sources,null);
fixed(byte* source = Encoding.ASCII.GetBytes(pixelShader))
fixed(byte** sources = new byte*[] { source })
gl.shaderSource(pixel,1,sources,null);
gl.compileShader(vertex);
gl.compileShader(pixel);
gl.attachShader(handle,vertex);
gl.attachShader(handle,pixel);
gl.linkProgram(handle);
}
public void UseProgram(CSGL gl)
{
gl.useProgram(handle);
}
