/// <summary>
/// Setup data for atlas building.
/// </summary>
/// <param name="_umaData">UMA data.</param>
/// <param name="_umaGenerator">UMA generator.</param>
public void ProcessTexture(UMAData _umaData, UMAGeneratorBase _umaGenerator)
{
umaData = _umaData;
umaGenerator = _umaGenerator;
if (umaGenerator is UMAGenerator)
{
fastPath = (umaGenerator as UMAGenerator).fastGeneration;
}
if (umaData.atlasResolutionScale <= 0) umaData.atlasResolutionScale = 1f;
var textureMerge = umaGenerator.textureMerge;
textureMerge.RefreshMaterials();
if (textureMerge == null)
{
if (Debug.isDebugBuild)
Debug.LogError("TextureMerge is null!");
// yield return null;
}
try
{
for (int atlasIndex = umaData.generatedMaterials.materials.Count - 1; atlasIndex >= 0; atlasIndex--)
{
var generatedMaterial = umaData.generatedMaterials.materials[atlasIndex];
//Rendering Atlas
int moduleCount = 0;
//Process all necessary TextureModules
for (int i = 0; i < generatedMaterial.materialFragments.Count; i++)
{
if (!generatedMaterial.materialFragments[i].isRectShared && !generatedMaterial.materialFragments[i].isNoTextures)
{
moduleCount++;
moduleCount = moduleCount + generatedMaterial.materialFragments[i].overlays.Length;
}
}
textureMerge.EnsureCapacity(moduleCount);
var slotData = generatedMaterial.materialFragments[0].slotData;
resultingTextures = new Texture[slotData.material.channels.Length];
for (int textureType = slotData.material.channels.Length - 1; textureType >= 0; textureType--)
{
switch (slotData.material.channels[textureType].channelType)
{
case UMAMaterial.ChannelType.Texture:
case UMAMaterial.ChannelType.DiffuseTexture:
case UMAMaterial.ChannelType.NormalMap:
case UMAMaterial.ChannelType.DetailNormalMap:
{
bool CopyRTtoTex = SupportsRTToTexture2D && fastPath;
textureMerge.Reset();
for (int i = 0; i < generatedMaterial.materialFragments.Count; i++)
{
textureMerge.SetupModule(generatedMaterial, i, textureType);
}
//last element for this textureType
moduleCount = 0;
int width = Mathf.FloorToInt(generatedMaterial.cropResolution.x);
int height = Mathf.FloorToInt(generatedMaterial.cropResolution.y);
if (width == 0 || height == 0)
{
continue;
}
//this should be restricted to >= 1 but 0 was allowed before and projects may have the umaMaterial value serialized to 0.
float downSample = (slotData.material.channels[textureType].DownSample == 0) ? 1f : (1f / slotData.material.channels[textureType].DownSample);
destinationTexture = new RenderTexture(Mathf.FloorToInt(generatedMaterial.cropResolution.x * umaData.atlasResolutionScale * downSample), Mathf.FloorToInt(generatedMaterial.cropResolution.y * umaData.atlasResolutionScale * downSample), 0, slotData.material.channels[textureType].textureFormat, RenderTextureReadWrite.Linear);
destinationTexture.filterMode = FilterMode.Point;
destinationTexture.useMipMap = umaGenerator.convertMipMaps && CopyRTtoTex;// && !umaGenerator.convertRenderTexture;
destinationTexture.name = slotData.material.name + " Chan " + textureType + " frame: " + Time.frameCount;
//Draw all the Rects here
Color backgroundColor;
UMAMaterial.ChannelType channelType = slotData.material.channels[textureType].channelType;
if (slotData.material.MaskWithCurrentColor && (channelType == UMAMaterial.ChannelType.DiffuseTexture || channelType == UMAMaterial.ChannelType.Texture || channelType == UMAMaterial.ChannelType.TintedTexture))
{
backgroundColor = slotData.material.maskMultiplier * textureMerge.camBackgroundColor;
}
else
{
backgroundColor = UMAMaterial.GetBackgroundColor(slotData.material.channels[textureType].channelType);
}
textureMerge.DrawAllRects(destinationTexture, width, height, backgroundColor, umaGenerator.SharperFitTextures);
//PostProcess
textureMerge.PostProcess(destinationTexture, slotData.material.channels[textureType].channelType);
if (umaGenerator.convertRenderTexture || slotData.material.channels[textureType].ConvertRenderTexture)
{
#region Convert Render Textures
if(CopyRTtoTex) {
// copy the texture with mips to the Texture2D
Texture2D tempTexture;
tempTexture = new Texture2D(destinationTexture.width, destinationTexture.height, TextureFormat.ARGB32, umaGenerator.convertMipMaps, true);
Graphics.CopyTexture(destinationTexture, tempTexture);
destinationTexture.Release();
UnityEngine.GameObject.DestroyImmediate(destinationTexture);
tempTexture.wrapMode = TextureWrapMode.Repeat;
tempTexture.anisoLevel = slotData.material.AnisoLevel;
tempTexture.mipMapBias = slotData.material.MipMapBias;
tempTexture.filterMode = slotData.material.MatFilterMode;
resultingTextures[textureType] = tempTexture as Texture;
if(!slotData.material.channels[textureType].NonShaderTexture) {
if (generatedMaterial.umaMaterial.translateSRP)
{
generatedMaterial.material.SetTexture(UMAUtils.TranslatedSRPTextureName(slotData.material.channels[textureType].materialPropertyName), tempTexture);
}
else
{
generatedMaterial.material.SetTexture(slotData.material.channels[textureType].materialPropertyName, tempTexture);
}
}
} else {
#if USE_ASYNC_GPU_READBACK
// Todo: use AsyncGPUReadback to get the texture if possible.
//
// material == generatedMaterial.material
// umaData == ;
// slotData == ;
// propname == slotData.material.channels[textureType].materialPropertyName
// mipcount
// mipsconverted[]
// Data.
//for (int i=0;i< destinationTexture.mipmapCount;i++)
//{
//
//}
#else
Texture2D tempTexture;
tempTexture = new Texture2D(destinationTexture.width, destinationTexture.height, TextureFormat.ARGB32, umaGenerator.convertMipMaps, true);
RenderTexture.active = destinationTexture;
tempTexture.ReadPixels(new Rect(0, 0, destinationTexture.width, destinationTexture.height), 0, 0, umaGenerator.convertMipMaps);
//resultingTextures[textureType] = tempTexture as Texture;
RenderTexture.active = null;
destinationTexture.Release();
UnityEngine.GameObject.DestroyImmediate(destinationTexture);
// if (!fastPath) yield return 6;
//tempTexture = resultingTextures[textureType] as Texture2D;
tempTexture.Apply();
tempTexture.wrapMode = TextureWrapMode.Repeat;
tempTexture.anisoLevel = slotData.material.AnisoLevel;
tempTexture.mipMapBias = slotData.material.MipMapBias;
tempTexture.filterMode = slotData.material.MatFilterMode;
//if (slotData.asset.material.channels[textureType].Compression != UMAMaterial.CompressionSettings.None)
//{
// tempTexture.Compress(slotData.asset.material.channels[textureType].Compression == UMAMaterial.CompressionSettings.HighQuality);
// }
resultingTextures[textureType] = tempTexture;
if(!slotData.material.channels[textureType].NonShaderTexture) {
if (generatedMaterial.umaMaterial.translateSRP)
{
generatedMaterial.material.SetTexture(UMAUtils.TranslatedSRPTextureName(slotData.material.channels[textureType].materialPropertyName), tempTexture);
}
else
{
generatedMaterial.material.SetTexture(slotData.material.channels[textureType].materialPropertyName, tempTexture);
}
generatedMaterial.material.SetTexture(UMAUtils.TranslatedSRPTextureName(slotData.material.channels[textureType].materialPropertyName), tempTexture);
}
}
#endif
#endregion
}
else
{
destinationTexture.anisoLevel = slotData.material.AnisoLevel;
destinationTexture.mipMapBias = slotData.material.MipMapBias;
destinationTexture.filterMode = slotData.material.MatFilterMode;
destinationTexture.wrapMode = TextureWrapMode.Repeat;
resultingTextures[textureType] = destinationTexture;
if (!slotData.material.channels[textureType].NonShaderTexture)
{
if (generatedMaterial.umaMaterial.translateSRP)
{
generatedMaterial.material.SetTexture(UMAUtils.TranslatedSRPTextureName(slotData.material.channels[textureType].materialPropertyName), destinationTexture);
}
else
{
generatedMaterial.material.SetTexture(slotData.material.channels[textureType].materialPropertyName, destinationTexture);
}
}
}
break;
}
case UMAMaterial.ChannelType.MaterialColor:
{
if (slotData.material.channels[textureType].NonShaderTexture) break;
generatedMaterial.material.SetColor(slotData.material.channels[textureType].materialPropertyName, generatedMaterial.materialFragments[0].baseColor);
break;
}
case UMAMaterial.ChannelType.TintedTexture:
{
for (int i = 0; i < generatedMaterial.materialFragments.Count; i++)
{
var fragment = generatedMaterial.materialFragments[i];
if (fragment.isRectShared) continue;
for (int j = 0; j < fragment.baseOverlay.textureList.Length; j++)
{
if (fragment.baseOverlay.textureList[j] != null)
{
if (!slotData.material.channels[textureType].NonShaderTexture)
{
if (generatedMaterial.umaMaterial.translateSRP)
{
generatedMaterial.material.SetTexture(UMAUtils.TranslatedSRPTextureName(slotData.material.channels[j].materialPropertyName), fragment.baseOverlay.textureList[j]);
}
else
{
generatedMaterial.material.SetTexture(slotData.material.channels[j].materialPropertyName, fragment.baseOverlay.textureList[j]);
}
}
if (j == 0)
{
generatedMaterial.material.color = fragment.baseColor;
}
}
}
foreach (var overlay in fragment.overlays)
{
if (generatedMaterial.textureNameList == null)
for (int j = 0; j < overlay.textureList.Length; j++)
{
if (overlay.textureList[j] != null)
{
if (!slotData.material.channels[textureType].NonShaderTexture)
{
if (generatedMaterial.umaMaterial.translateSRP)
{
generatedMaterial.material.SetTexture(UMAUtils.TranslatedSRPTextureName(slotData.material.channels[j].materialPropertyName), overlay.textureList[j]);
}
else
{
generatedMaterial.material.SetTexture(slotData.material.channels[j].materialPropertyName, overlay.textureList[j]);
}
}
}
}
}
}
break;
}
}
}
generatedMaterial.resultingAtlasList = resultingTextures;
}
}
finally
{
RenderTexture.active = null;
}
}