/// <summary>
/// Third coord is num mipmaps.
/// </summary>
internal static void FindBestSizeAndMipCountAndFormatForTextureArrays(List <ShaderTextureProperty> texPropertyNames, int maxAtlasSize, MB_TextureArrayFormatSet targetFormatSet, MB_AtlasesAndRects[] resultAtlasesAndRectSlices,
TexturePropertyData texturePropertyData)
{
texturePropertyData.sizes = new Vector2[texPropertyNames.Count];
texturePropertyData.doMips = new bool[texPropertyNames.Count];
texturePropertyData.numMipMaps = new int[texPropertyNames.Count];
texturePropertyData.formats = new TextureFormat[texPropertyNames.Count];
for (int propIdx = 0; propIdx < texPropertyNames.Count; propIdx++)
{
int numSlices = resultAtlasesAndRectSlices.Length;
texturePropertyData.sizes[propIdx] = new Vector3(16, 16, 1);
bool hasMips = false;
int mipCount = 1;
for (int sliceIdx = 0; sliceIdx < numSlices; sliceIdx++)
{
Debug.Assert(resultAtlasesAndRectSlices[sliceIdx].atlases.Length == texPropertyNames.Count);
Debug.Assert(resultAtlasesAndRectSlices[sliceIdx].texPropertyNames[propIdx] == texPropertyNames[propIdx].name);
Texture2D sliceTex = resultAtlasesAndRectSlices[sliceIdx].atlases[propIdx];
if (sliceTex != null)
{
if (sliceTex.mipmapCount > 1)
{
hasMips = true;
}
mipCount = Mathf.Max(mipCount, sliceTex.mipmapCount);
texturePropertyData.sizes[propIdx].x = Mathf.Min(Mathf.Max(texturePropertyData.sizes[propIdx].x, sliceTex.width), maxAtlasSize);
texturePropertyData.sizes[propIdx].y = Mathf.Min(Mathf.Max(texturePropertyData.sizes[propIdx].y, sliceTex.height), maxAtlasSize);
//texturePropertyData.sizes[propIdx].z = Mathf.Max(texturePropertyData.sizes[propIdx].z, sliceTex.mipmapCount);
texturePropertyData.formats[propIdx] = targetFormatSet.GetFormatForProperty(texPropertyNames[propIdx].name);
}
}
int numberMipsForMaxAtlasSize = Mathf.CeilToInt(Mathf.Log(maxAtlasSize, 2)) + 1;
texturePropertyData.numMipMaps[propIdx] = Mathf.Min(numberMipsForMaxAtlasSize, mipCount);
texturePropertyData.doMips[propIdx] = hasMips;
}
}
/// <summary>
/// Creates one texture array per texture property.
/// </summary>
/// <returns></returns>
internal static Texture2DArray[] CreateTextureArraysForResultMaterial(TexturePropertyData texPropertyData, List <ShaderTextureProperty> masterListOfTexProperties, MB_AtlasesAndRects[] resultAtlasesAndRectSlices,
bool[] hasTexForProperty, MB3_TextureCombiner combiner, MB2_LogLevel LOG_LEVEL)
{
Debug.Assert(texPropertyData.sizes.Length == hasTexForProperty.Length);
// ASSUMPTION all slices in the same format and the same size, alpha channel and mipMapCount
string[] texPropertyNames = resultAtlasesAndRectSlices[0].texPropertyNames;
Debug.Assert(texPropertyNames.Length == hasTexForProperty.Length);
Texture2DArray[] texArrays = new Texture2DArray[texPropertyNames.Length];
// Each texture property (_MainTex, _Bump, ...) becomes a Texture2DArray
for (int propIdx = 0; propIdx < texPropertyNames.Length; propIdx++)
{
if (!hasTexForProperty[propIdx])
{
continue;
}
string propName = texPropertyNames[propIdx];
int numSlices = resultAtlasesAndRectSlices.Length;
int w = (int)texPropertyData.sizes[propIdx].x;
int h = (int)texPropertyData.sizes[propIdx].y;
int numMips = (int)texPropertyData.numMipMaps[propIdx];
TextureFormat format = texPropertyData.formats[propIdx];
bool doMipMaps = texPropertyData.doMips[propIdx];
Debug.Assert(QualitySettings.desiredColorSpace == QualitySettings.activeColorSpace, "Wanted to use color space " + QualitySettings.desiredColorSpace + " but the activeColorSpace was " + QualitySettings.activeColorSpace + " hardware may not support the desired color space.");
bool isLinear = MBVersion.GetProjectColorSpace() == ColorSpace.Linear;
{
if (IsLinearProperty(masterListOfTexProperties, propName))
{
isLinear = true;
}
else
{
isLinear = false;
}
}
Texture2DArray texArray = new Texture2DArray(w, h, numSlices, format, doMipMaps, isLinear);
if (LOG_LEVEL >= MB2_LogLevel.info)
{
Debug.LogFormat("Creating Texture2DArray for property: {0} w: {1} h: {2} format: {3} doMips: {4} isLinear: {5}", propName, w, h, format, doMipMaps, isLinear);
}
for (int sliceIdx = 0; sliceIdx < numSlices; sliceIdx++)
{
Debug.Assert(resultAtlasesAndRectSlices[sliceIdx].atlases.Length == texPropertyNames.Length);
Debug.Assert(resultAtlasesAndRectSlices[sliceIdx].texPropertyNames[propIdx] == propName);
Texture2D srcTex = resultAtlasesAndRectSlices[sliceIdx].atlases[propIdx];
if (LOG_LEVEL >= MB2_LogLevel.debug)
{
Debug.LogFormat("Slice: {0} texture: {1}", sliceIdx, srcTex);
}
bool isCopy = false;
if (srcTex == null)
{
if (LOG_LEVEL >= MB2_LogLevel.trace)
{
Debug.LogFormat("Texture is null for slice: {0} creating temporary texture", sliceIdx);
}
// Slices might not have all textures create a dummy if needed.
srcTex = combiner._createTemporaryTexture(propName, w, h, format, doMipMaps, isLinear);
}
Debug.Assert(srcTex.width == texArray.width, "Source texture is not the same width as the texture array '" + srcTex + " srcWidth:" + srcTex.width + " texArrayWidth:" + texArray.width);
Debug.Assert(srcTex.height == texArray.height, "Source texture is not the same height as the texture array " + srcTex + " srcWidth:" + srcTex.height + " texArrayWidth:" + texArray.height);
Debug.Assert(srcTex.mipmapCount == numMips, "Source texture does have not the same number of mips as the texture array: " + srcTex + " numMipsTex: " + srcTex.mipmapCount + " numMipsTexArray: " + numMips + " texDims: " + srcTex.width + "x" + srcTex.height);
Debug.Assert(srcTex.format == format, "Formats should have been converted before this. Texture: " + srcTex + "Source: " + srcTex.format + " Targ: " + format);
for (int mipIdx = 0; mipIdx < numMips; mipIdx++)
{
Graphics.CopyTexture(srcTex, 0, mipIdx, texArray, sliceIdx, mipIdx);
}
if (isCopy)
{
MB_Utility.Destroy(srcTex);
}
}
texArray.Apply();
texArrays[propIdx] = texArray;
}
return(texArrays);
}
internal static bool ConvertTexturesToReadableFormat(TexturePropertyData texturePropertyData,
MB_AtlasesAndRects[] resultAtlasesAndRectSlices,
bool[] hasTexForProperty, List <ShaderTextureProperty> textureShaderProperties,
MB3_TextureCombiner combiner,
MB2_LogLevel logLevel,
List <Texture2D> createdTemporaryTextureAssets,
MB2_EditorMethodsInterface textureEditorMethods)
{
for (int propIdx = 0; propIdx < hasTexForProperty.Length; propIdx++)
{
if (!hasTexForProperty[propIdx])
{
continue;
}
TextureFormat format = texturePropertyData.formats[propIdx];
if (!textureEditorMethods.TextureImporterFormatExistsForTextureFormat(format))
{
Debug.LogError("Could not find target importer format matching " + format);
return(false);
}
int numSlices = resultAtlasesAndRectSlices.Length;
int targetWidth = (int)texturePropertyData.sizes[propIdx].x;
int targetHeight = (int)texturePropertyData.sizes[propIdx].y;
for (int sliceIdx = 0; sliceIdx < numSlices; sliceIdx++)
{
Texture2D sliceTex = resultAtlasesAndRectSlices[sliceIdx].atlases[propIdx];
Debug.Assert(sliceTex != null, "sliceIdx " + sliceIdx + " " + propIdx);
if (sliceTex != null)
{
if (!MBVersion.IsTextureReadable(sliceTex))
{
textureEditorMethods.SetReadWriteFlag(sliceTex, true, true);
}
bool isAsset = textureEditorMethods.IsAnAsset(sliceTex);
if (logLevel >= MB2_LogLevel.trace)
{
Debug.Log("Considering format of texture: " + sliceTex + " format:" + sliceTex.format);
}
if ((sliceTex.width != targetWidth || sliceTex.height != targetHeight) ||
(!isAsset && sliceTex.format != format))
{
// Do this the horrible hard way. It is only possible to resize textures in TrueColor formats,
// And only possible to switch formats using the Texture importer.
// Create a resized temporary texture asset in ARGB32 format. Then set its texture format and reimport
resultAtlasesAndRectSlices[sliceIdx].atlases[propIdx] = textureEditorMethods.CreateTemporaryAssetCopy(textureShaderProperties[propIdx], sliceTex, targetWidth, targetHeight, format, logLevel);
createdTemporaryTextureAssets.Add(resultAtlasesAndRectSlices[sliceIdx].atlases[propIdx]);
}
else if (sliceTex.format != format)
{
textureEditorMethods.ConvertTextureFormat_PlatformOverride(sliceTex, format, textureShaderProperties[propIdx].isNormalMap);
}
}
else
{
}
if (resultAtlasesAndRectSlices[sliceIdx].atlases[propIdx].format != format)
{
Debug.LogError("Could not convert texture to format " + format +
". This can happen if the target build platform in build settings does not support textures in this format." +
" It may be necessary to switch the build platform in order to build texture arrays in this format.");
return(false);
}
}
}
return(true);
}
/// <summary>
/// Creates one texture array per texture property.
/// </summary>
/// <returns></returns>
internal static Texture2DArray[] CreateTextureArraysForResultMaterial(TexturePropertyData texPropertyData, MB_AtlasesAndRects[] resultAtlasesAndRectSlices,
bool[] hasTexForProperty, MB3_TextureCombiner combiner, MB2_LogLevel LOG_LEVEL)
{
Debug.Assert(texPropertyData.sizes.Length == hasTexForProperty.Length);
// ASSUMPTION all slices in the same format and the same size, alpha channel and mipMapCount
string[] texPropertyNames = resultAtlasesAndRectSlices[0].texPropertyNames;
Debug.Assert(texPropertyNames.Length == hasTexForProperty.Length);
Texture2DArray[] texArrays = new Texture2DArray[texPropertyNames.Length];
// Each texture property (_MainTex, _Bump, ...) becomes a Texture2DArray
for (int propIdx = 0; propIdx < texPropertyNames.Length; propIdx++)
{
if (!hasTexForProperty[propIdx])
{
continue;
}
int numSlices = resultAtlasesAndRectSlices.Length;
int w = (int)texPropertyData.sizes[propIdx].x;
int h = (int)texPropertyData.sizes[propIdx].y;
int numMips = (int)texPropertyData.numMipMaps[propIdx];
TextureFormat format = texPropertyData.formats[propIdx];
bool doMipMaps = texPropertyData.doMips[propIdx];
Texture2DArray texArray = new Texture2DArray(w, h, numSlices, format, doMipMaps);
if (LOG_LEVEL >= MB2_LogLevel.info)
{
Debug.LogFormat("Creating Texture2DArray for property: {0} w: {1} h: {2} format: {3} doMips: {4}", texPropertyNames[propIdx], w, h, format, doMipMaps);
}
for (int sliceIdx = 0; sliceIdx < numSlices; sliceIdx++)
{
Debug.Assert(resultAtlasesAndRectSlices[sliceIdx].atlases.Length == texPropertyNames.Length);
Debug.Assert(resultAtlasesAndRectSlices[sliceIdx].texPropertyNames[propIdx] == texPropertyNames[propIdx]);
Texture2D srcTex = resultAtlasesAndRectSlices[sliceIdx].atlases[propIdx];
if (LOG_LEVEL >= MB2_LogLevel.debug)
{
Debug.LogFormat("Slice: {0} texture: {1}", sliceIdx, srcTex);
}
bool isCopy = false;
if (srcTex == null)
{
// Slices might not have all textures create a dummy if needed.
srcTex = combiner._createTemporaryTexture(texPropertyNames[propIdx], w, h, format, doMipMaps);
}
Debug.Assert(srcTex.width == texArray.width, "Source texture is not the same width as the texture array " + srcTex);
Debug.Assert(srcTex.height == texArray.height, "Source texture is not the same height as the texture array " + srcTex);
Debug.Assert(srcTex.mipmapCount == numMips, "Source texture does have not the same number of mips as the texture array: " + srcTex + " numMipsTex: " + srcTex.mipmapCount + " numMipsTexArray: " + numMips + " texDims: " + srcTex.width + "x" + srcTex.height);
Debug.Assert(srcTex.format == format, "Formats should have been converted before this. Texture: " + srcTex + "Source: " + srcTex.format + " Targ: " + format);
for (int mipIdx = 0; mipIdx < numMips; mipIdx++)
{
Graphics.CopyTexture(srcTex, 0, mipIdx, texArray, sliceIdx, mipIdx);
}
if (isCopy)
{
MB_Utility.Destroy(srcTex);
}
}
texArray.Apply();
texArrays[propIdx] = texArray;
}
return(texArrays);
}
