private SamplerId ExportSampler(UnityEngine.Texture texture)
{
var samplerId = GetSamplerId(_root, texture);
if (samplerId != null)
{
return(samplerId);
}
var sampler = new Sampler();
if (texture.wrapMode == TextureWrapMode.Clamp)
{
sampler.WrapS = GLTF.Schema.WrapMode.ClampToEdge;
sampler.WrapT = GLTF.Schema.WrapMode.ClampToEdge;
}
else
{
sampler.WrapS = GLTF.Schema.WrapMode.Repeat;
sampler.WrapT = GLTF.Schema.WrapMode.Repeat;
}
if (texture.filterMode == FilterMode.Point)
{
sampler.MinFilter = MinFilterMode.NearestMipmapNearest;
sampler.MagFilter = MagFilterMode.Nearest;
}
else if (texture.filterMode == FilterMode.Bilinear)
{
sampler.MinFilter = MinFilterMode.NearestMipmapLinear;
sampler.MagFilter = MagFilterMode.Linear;
}
else
{
sampler.MinFilter = MinFilterMode.LinearMipmapLinear;
sampler.MagFilter = MagFilterMode.Linear;
}
samplerId = new SamplerId
{
Id = _root.Samplers.Count,
Root = _root
};
_root.Samplers.Add(sampler);
return(samplerId);
}
private TextureId GenerateTexture(Texture2D texture, ImageId imageId)
{
if (root.Textures == null)
{
root.Textures = new List<GLTF.Schema.Texture>();
}
if (root.Samplers == null)
{
root.Samplers = new List<GLTF.Schema.Sampler>();
}
var hasMipMap = texture.mipmapCount > 0;
MagFilterMode magFilter = MagFilterMode.None;
MinFilterMode minFilter = MinFilterMode.None;
GLTF.Schema.WrapMode wrap = GLTF.Schema.WrapMode.None;
switch (texture.filterMode)
{
case FilterMode.Point:
magFilter = MagFilterMode.Nearest;
if (hasMipMap)
{
minFilter = MinFilterMode.NearestMipmapNearest;
}
else
{
minFilter = MinFilterMode.Nearest;
}
break;
case FilterMode.Bilinear:
magFilter = MagFilterMode.Linear;
if (hasMipMap)
{
minFilter = MinFilterMode.LinearMipmapNearest;
}
else
{
minFilter = MinFilterMode.Linear;
}
break;
case FilterMode.Trilinear:
magFilter = MagFilterMode.Linear;
if (hasMipMap)
{
minFilter = MinFilterMode.Linear;
}
else
{
minFilter = MinFilterMode.LinearMipmapLinear;
}
break;
}
switch (texture.wrapMode)
{
case TextureWrapMode.Clamp:
wrap = GLTF.Schema.WrapMode.ClampToEdge;
break;
case TextureWrapMode.Repeat:
wrap = GLTF.Schema.WrapMode.Repeat;
break;
}
var sampler = new Sampler
{
MagFilter = magFilter,
MinFilter = minFilter,
WrapS = wrap,
WrapT = wrap
};
root.Samplers.Add(sampler);
var samplerId = new SamplerId { Id = root.Samplers.Count - 1, Root = root };
var gltfTexture = new GLTF.Schema.Texture { Source = imageId, Sampler = samplerId };
root.Textures.Add(gltfTexture);
var id = new TextureId { Id = root.Textures.Count - 1, Root = root };
_texture2d2ID[texture] = id;
return id;
}
internal static void InitSamplerState(SamplerId id)
{
if (SamplerObjects[id.Index] == null)
SamplerObjects[id.Index] = new SamplerState(MyRender11.Device, SamplerStates.Data[id.Index]);
}
internal static SamplerState GetSampler(SamplerId id)
{
return SamplerObjects[id.Index];
}
internal static SamplerId CreateSamplerState(SamplerStateDescription description)
{
var id = new SamplerId { Index = SamplerStates.Allocate() };
MyArrayHelpers.Reserve(ref SamplerObjects, id.Index + 1);
SamplerStates.Data[id.Index] = description;
InitSamplerState(id);
SamplerIndices.Add(id);
return id;
}
internal static void ChangeSamplerState(SamplerId id, SamplerStateDescription description)
{
SamplerStates.Data[id.Index] = description;
if(SamplerObjects[id.Index] != null)
{
SamplerObjects[id.Index].Dispose();
}
SamplerObjects[id.Index] = new SamplerState(MyRender11.Device, description);
}
