Disabled mip generation for BlockCompressed textures

source/core/ResourceTexture.cpp

@@ -36,11 +36,18 @@ void XMETHODCALLTYPE CResourceTexture2D::init(UINT uWidth, UINT uHeight, GXFORMA
 
 	if(uMipmapCount == IXRESOURCE_TEXTURE_AUTO_MIPS)
 	{
-		UINT uSize = min(uWidth, uHeight);
-		uMipmapCount = 1;
-		while((uSize >>= 1) >= 4)
+		if(isBlockCompressed(format))
 		{
-			++uMipmapCount;
+			uMipmapCount = 1;
+		}
+		else
+		{
+			UINT uSize = min(uWidth, uHeight);
+			uMipmapCount = 1;
+			while((uSize >>= 1) >= 4)
+			{
+				++uMipmapCount;
+			}
 		}
 	}
 
@@ -117,11 +124,18 @@ void XMETHODCALLTYPE CResourceTextureCube::init(UINT uSize, GXFORMAT format, UIN
 
 	if(uMipmapCount == IXRESOURCE_TEXTURE_AUTO_MIPS)
 	{
-		UINT uTmpSize = uSize;
-		uMipmapCount = 1;
-		while((uTmpSize >>= 1) >= 4)
+		if(isBlockCompressed(format))
+		{
+			uMipmapCount = 1;
+		}
+		else
 		{
-			++uMipmapCount;
+			UINT uTmpSize = uSize;
+			uMipmapCount = 1;
+			while((uTmpSize >>= 1) >= 4)
+			{
+				++uMipmapCount;
+			}
 		}
 	}
 

source/core/ResourceTexture.h

@@ -136,20 +136,10 @@ public:
 		switch(format)
 		{
 		case GXFMT_DXT1:
-			bc = true;
+		case GXFMT_ATI1N:
 			bcnumBytesPerBlock = 8;
-			break;
 		case GXFMT_DXT3:
-			bc = true;
-			break;
 		case GXFMT_DXT5:
-			bc = true;
-			break;
-
-		case GXFMT_ATI1N:
-			bc = true;
-			bcnumBytesPerBlock = 8;
-			break;
 		case GXFMT_ATI2N:
 			bc = true;
 			break;
@@ -172,6 +162,21 @@ public:
 		}
 	}
 
+	bool isBlockCompressed(GXFORMAT format)
+	{
+		switch(format)
+		{
+		case GXFMT_DXT1:
+		case GXFMT_ATI1N:
+		case GXFMT_DXT3:
+		case GXFMT_DXT5:
+		case GXFMT_ATI2N:
+			return(true);
+		}
+
+		return(false);
+	}
+
 protected:
 	GXTEXTURE_TYPE m_type = GXTEXTURE_TYPE_UNKNOWN;
 	GXFORMAT m_format = GXFMT_UNKNOWN;