public int initTextureArray(ITextureProvider textureProvider)
{
if (!allTexturesLoaded(textureProvider))
{
return(-1);
}
ITexture[] textures = textureProvider.Textures;
int textureArrayId = GLUtil.glGenTexture();
GL.BindTexture(TextureTarget.Texture2DArray, textureArrayId);
GL.TexStorage3D(TextureTarget3d.Texture2DArray, 1, SizedInternalFormat.Rgba8, TEXTURE_SIZE, TEXTURE_SIZE, textures.Length);
GL.TexParameter(TextureTarget.Texture2DArray, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2DArray, TextureParameterName.TextureMagFilter, (int)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2DArray, TextureParameterName.TextureWrapS, (int)TextureWrapMode.ClampToEdge);
// Set brightness to 1.0d to upload unmodified textures to GPU
double save = textureProvider.Brightness;
textureProvider.Brightness = 1.0d;
updateTextures(textureProvider, textureArrayId);
textureProvider.Brightness = save;
GL.ActiveTexture(TextureUnit.Texture1);
GL.BindTexture(TextureTarget.Texture2DArray, textureArrayId);
GL.ActiveTexture(TextureUnit.Texture0);
return(textureArrayId);
}
public void freeTextureArray(int textureArrayId)
{
GLUtil.glDeleteTexture(textureArrayId);
}