diff --git a/TextureFileCreater.cpp b/TextureFileCreater.cpp
index 310bd34..e52f205 100644
--- a/TextureFileCreater.cpp
+++ b/TextureFileCreater.cpp
@@ -47,10 +47,10 @@ bool ToILType(ILuint &type,const uint8 bits,const ColorDataType cdt)
 {
     constexpr ILuint target_type[3][(uint)ColorDataType::END-1]=
     {
-        //UNORM             SNORM       UINT                SINT,       USCALE,SSCALE,  UFLOAT      SFLOAT
-        {IL_UNSIGNED_BYTE,  IL_BYTE,    IL_UNSIGNED_BYTE,   IL_BYTE,    0,0,            0,          0},
-        {IL_UNSIGNED_SHORT, IL_SHORT,   IL_UNSIGNED_SHORT,  IL_SHORT,   0,0,            IL_HALF,    IL_HALF},
-        {IL_UNSIGNED_INT,   IL_INT,     IL_UNSIGNED_INT,    IL_INT,     0,0,            IL_FLOAT,   IL_FLOAT}
+                //UNORM             SNORM       UINT                SINT,       USCALE,SSCALE,  UFLOAT      SFLOAT
+        /*  8 */{IL_UNSIGNED_BYTE,  IL_BYTE,    IL_UNSIGNED_BYTE,   IL_BYTE,    0,0,            0,          0},
+        /* 16 */{IL_UNSIGNED_SHORT, IL_SHORT,   IL_UNSIGNED_SHORT,  IL_SHORT,   0,0,            IL_HALF,    IL_HALF},
+        /* 32 */{IL_UNSIGNED_INT,   IL_INT,     IL_UNSIGNED_INT,    IL_INT,     0,0,            IL_FLOAT,   IL_FLOAT}
     };
 
     if(bits<=8  )type=target_type[0][(uint)cdt-1];else
diff --git a/TextureFileCreaterRGB.cpp b/TextureFileCreaterRGB.cpp
index a99f286..966d956 100644
--- a/TextureFileCreaterRGB.cpp
+++ b/TextureFileCreaterRGB.cpp
@@ -21,6 +21,25 @@ public:
         }
     }
 
+    // Bit depth    Sign bit present    Exponent bits   Mantissa bits
+    //  32              Yes                 8               23
+    //  16              Yes                 5               10
+    //  11              No                  5               6
+    //  10              No                  5               5
+
+    void RGB16FtoB10GR11UF(uint32 *target,uint16 *src,uint size)
+    {
+        for(uint i=0;i<size;i++)
+        {
+            *target=((src[2]&0x7FE0)<<17)
+                   |((src[1]&0x7FF0)<<7)
+                   | (src[0]&0x7FF0)>>4;
+
+            ++target;
+            src+=3;
+        }
+    }
+
 public:
  
     bool Write() override
@@ -48,6 +67,16 @@ public:
 
             return TextureFileCreater::Write(rgb565);
         }
+        else if(fmt->format==ColorFormat::B10GR11UF)
+        {
+            void *origin_rgb=image->GetRGB(IL_HALF);
+
+            AutoDelete<uint32> b10gr11=new uint32[image->pixel_total()];
+
+            RGB16FtoB10GR11UF(b10gr11,(uint16 *)origin_rgb,image->pixel_total());
+
+            return TextureFileCreater::Write(b10gr11);
+        }
         else
         {
             LOG_ERROR(OS_TEXT("Don't support this RGB format"));
diff --git a/pixel_format.cpp b/pixel_format.cpp
index 4696f5f..a710ca1 100644
--- a/pixel_format.cpp
+++ b/pixel_format.cpp
@@ -46,7 +46,8 @@ namespace hgl
         {ColorFormat::RGB32F,     "RGB32F",    3,{'R','G','B', 0 },{32,32,32, 0},ColorDataType::SFLOAT},
         {ColorFormat::RGBA32U,    "RGBA32U",   4,{'R','G','B','A'},{32,32,32,32},ColorDataType::UINT},
         {ColorFormat::RGBA32I,    "RGBA32I",   4,{'R','G','B','A'},{32,32,32,32},ColorDataType::SINT},
-        {ColorFormat::RGBA32F,    "RGBA32F",   4,{'R','G','B','A'},{32,32,32,32},ColorDataType::SFLOAT}
+        {ColorFormat::RGBA32F,    "RGBA32F",   4,{'R','G','B','A'},{32,32,32,32},ColorDataType::SFLOAT},
+        {ColorFormat::B10GR11UF,  "B10GR11UF", 3,{'B','G','R', 0 },{11,11,11, 0},ColorDataType::UFLOAT}
     };
 
     constexpr uint PixelFormatCount=sizeof(pf_list)/sizeof(PixelFormat);
diff --git a/pixel_format.h b/pixel_format.h
index c08b448..949b598 100644
--- a/pixel_format.h
+++ b/pixel_format.h
@@ -33,6 +33,7 @@ enum class ColorFormat
     RGBA32U,
     RGBA32I,
     RGBA32F,
+    B10GR11UF,
 
     END
 };//enum class ColorFormat