/// <summary>
/// Copies all properties of the given style to the current instance (or a subset, if the
/// classes don't match). Must be overridden by all subclasses!
/// </summary>
public virtual void CopyFrom(MeshStyle meshStyle)
{
_texture = meshStyle._texture;
_textureBase = meshStyle._textureBase;
TextureRepeat = meshStyle.TextureRepeat;
_textureSmoothing = meshStyle._textureSmoothing;
}
public static void SetSamplerStateAt(uint name, bool hasMipMaps,
TextureSmoothing smoothing = TextureSmoothing.Bilinear,
bool repeat = false)
{
// set repeat
Gl.BindTexture(TextureTarget.Texture2d, name);
Gl.TexParameter(TextureTarget.Texture2d, TextureParameterName.TextureWrapS, repeat ? Gl.REPEAT : Gl.CLAMP_TO_EDGE);
Gl.TexParameter(TextureTarget.Texture2d, TextureParameterName.TextureWrapT, repeat ? Gl.REPEAT : Gl.CLAMP_TO_EDGE);
// set smoothing
TextureMagFilter magFilter;
TextureMinFilter minFilter;
if (smoothing == TextureSmoothing.None)
{
magFilter = TextureMagFilter.Nearest;
minFilter = hasMipMaps ? TextureMinFilter.NearestMipmapNearest : TextureMinFilter.Nearest;
}
else if (smoothing == TextureSmoothing.Bilinear)
{
magFilter = TextureMagFilter.Linear;
minFilter = hasMipMaps ? TextureMinFilter.LinearMipmapNearest : TextureMinFilter.Linear;
}
else
{
magFilter = TextureMagFilter.Linear;
minFilter = hasMipMaps ? TextureMinFilter.LinearMipmapLinear : TextureMinFilter.Linear;
}
Gl.TexParameter(TextureTarget.Texture2d, TextureParameterName.TextureMagFilter, (int)magFilter);
Gl.TexParameter(TextureTarget.Texture2d, TextureParameterName.TextureMinFilter, (int)minFilter);
}
private void Init(uint name, float width, float height, bool hasMipMaps, float scale, bool premultipliedAlpha)
{
if (width <= 0.0f)
{
throw new InvalidOperationException("invalid width");
}
if (height <= 0.0f)
{
throw new InvalidOperationException("invalid height");
}
if (scale <= 0.0f)
{
throw new InvalidOperationException("invalid scale");
}
_name = name;
_width = width;
_height = height;
_mipmaps = hasMipMaps;
_scale = scale;
_premultipliedAlpha = premultipliedAlpha;
_repeat = true; // force first update
Repeat = false;
_smoothing = (TextureSmoothing)9999999; // force first update
Smoothing = TextureSmoothing.Bilinear;
}
/// <summary>
/// Creates a new effect.
/// </summary>
public Effect()
{
_mvpMatrix3D = Matrix3D.Create();
ProgramBaseName = GetType().Name;
SparrowSharp.ContextCreated += OnContextCreated;
TextureSmoothing = TextureSmoothing.Bilinear;
}
/// <summary>
/// Creates a new instance. The base class' implementation just draws the unmodified
/// input texture.
/// </summary>
protected FragmentFilter()
{
_resolution = 1.0f;
_textureFormat = TextureFormat.Rgba4444;
_textureSmoothing = TextureSmoothing.Bilinear;
SetRequiresRedraw();
}
public FilterQuad(TextureSmoothing smoothing) : base(new VertexData(4), new IndexData())
{
IndexData.AddQuad(0, 1, 2, 3);
VertexData.Colorize(0xFFFFFF, 1.0f);
TextureSmoothing = smoothing;
PixelSnapping = false;
}
private void ParseAndLoadInfo(XmlDocument xml)
{
XmlNodeList infoNodes = xml.GetElementsByTagName("info");
if (infoNodes.Count > 0)
{
XmlAttributeCollection attributes = infoNodes[0].Attributes;
_name = attributes["face"].Value;
_size = Convert.ToSingle(attributes["size"].Value);
if (attributes["smooth"].Value == "0")
{
Smoothing = TextureSmoothing.None;
}
}
}
protected bool IsStateChange(uint texture,
TextureSmoothing smoothing, string blendMode, FragmentFilter filter,
bool premultiplyAlpha, int numParticles)
{
if (_mNumParticles == 0)
{
return(false);
}
if (_mNumParticles + numParticles > MaxPossibleParticles)
{
return(true);
}
if (_mTexture != null && texture != 0)
{
return(_mTexture.Base != texture || TexSmoothing != smoothing || BlendMode != blendMode ||
_mFilter != filter || PremultiplyAlpha != premultiplyAlpha);
}
return(true);
}
private IndexData _indexData; // just a reference to the target's index data
/// <summary>
/// Creates a new MeshStyle instance.
/// Subclasses must provide a constructor that can be called without any arguments.
/// </summary>
public MeshStyle()
{
_textureSmoothing = TextureSmoothing.Bilinear;
_type = GetType();
}
private void Init(uint name, float width, float height, bool hasMipMaps, float scale, bool premultipliedAlpha)
{
if (width <= 0.0f)
throw new InvalidOperationException("invalid width");
if (height <= 0.0f)
throw new InvalidOperationException("invalid height");
if (scale <= 0.0f)
throw new InvalidOperationException("invalid scale");
_name = name;
_width = width;
_height = height;
_mipmaps = hasMipMaps;
_scale = scale;
_premultipliedAlpha = premultipliedAlpha;
_repeat = true; // force first update
Repeat = false;
_smoothing = (TextureSmoothing)9999999; // force first update
Smoothing = TextureSmoothing.Bilinear;
}
private void ParseAndLoadInfo(XmlDocument xml)
{
XmlNodeList infoNodes = xml.GetElementsByTagName("info");
if (infoNodes.Count > 0)
{
XmlAttributeCollection attributes = infoNodes[0].Attributes;
_name = attributes["face"].Value;
_size = Convert.ToSingle(attributes["size"].Value);
if (attributes["smooth"].Value == "0")
{
Smoothing = TextureSmoothing.None;
}
}
}
