public unsafe GLTexture(string name, SDL2.SDL.SDL_Surface source)
{
Name = name;
Width = source.w;
Height = source.h;
GLHelper.Texture(TextureTarget.Texture2D, name, out int gt);
GL.BindTexture(TextureTarget.Texture2D, gt);
GL.TextureStorage2D(gt, 1, SizedInternalFormat.Rgba16, Width, Height);
var fmt = PixelInternalFormat.Rgb;
var surfmt = (SDL2.SDL.SDL_PixelFormat *)(source.format.ToPointer());
if (surfmt->BytesPerPixel == 4)
{
// We're in RGBA land
fmt = PixelInternalFormat.Rgba;
}
GL.TexImage2D(TextureTarget.Texture2D, 0, fmt, Width, Height, 0, (PixelFormat)fmt, PixelType.UnsignedByte, source.pixels);
GLObject = gt;
SetMinFilter(TextureMinFilter.Nearest);
SetMagFilter(TextureMagFilter.Nearest);
}
public static Texture Texture(string path)
{
if (textures == null)
{
textures = new Dictionary <string, Texture>();
}
if (!textures.ContainsKey(path))
{
var texturePath = LoadPath(path);
SDL2.SDL.SDL_Surface surface = System.Runtime.InteropServices.Marshal.PtrToStructure <SDL2.SDL.SDL_Surface>(SDL2.SDL_image.IMG_Load(texturePath));
var texture = new Texture(surface.pixels, surface.w, surface.h);
textures.Add(path, texture);
}
return(textures[path]);
}
public static Texture Texture(string path)
{
if (textures == null)
{
textures = new Dictionary <string, Texture>();
}
if (!textures.ContainsKey(path))
{
var texturePath = LoadPath(path);
var imgPtr = SDL2.SDL_image.IMG_Load(texturePath);
if (imgPtr == IntPtr.Zero)
{
throw new NotImplementedException("TODO: We need to be able to recover from a non-existent texture");
}
SDL2.SDL.SDL_Surface surface = System.Runtime.InteropServices.Marshal.PtrToStructure <SDL2.SDL.SDL_Surface>(imgPtr);
var texture = new Texture(surface.pixels, surface.w, surface.h);
textures.Add(path, texture);
}
return(textures[path]);
}