remove unused YUV constants
diff --git a/include/pixelflinger/format.h b/include/pixelflinger/format.h
index d2bf5dc..82eeca4 100644
--- a/include/pixelflinger/format.h
+++ b/include/pixelflinger/format.h
@@ -39,13 +39,15 @@
     GGL_PIXEL_FORMAT_LA_88       = 0xA,  // 16-bit LA
     GGL_PIXEL_FORMAT_RGB_332     = 0xB,  // 8-bit RGB (non paletted)
 
-    // YCbCr formats (SP=semi-planar, P=planar)
-    GGL_PIXEL_FORMAT_YCbCr_422_SP= 0x10,
-    GGL_PIXEL_FORMAT_YCbCr_420_SP= 0x11,
-    GGL_PIXEL_FORMAT_YCbCr_422_P = 0x12,
-    GGL_PIXEL_FORMAT_YCbCr_420_P = 0x13,
-    GGL_PIXEL_FORMAT_YCbCr_422_I = 0x14,
-    GGL_PIXEL_FORMAT_YCbCr_420_I = 0x15,
+    // reserved range. don't use.
+    GGL_PIXEL_FORMAT_RESERVED_10 = 0x10,
+    GGL_PIXEL_FORMAT_RESERVED_11 = 0x11,
+    GGL_PIXEL_FORMAT_RESERVED_12 = 0x12,
+    GGL_PIXEL_FORMAT_RESERVED_13 = 0x13,
+    GGL_PIXEL_FORMAT_RESERVED_14 = 0x14,
+    GGL_PIXEL_FORMAT_RESERVED_15 = 0x15,
+    GGL_PIXEL_FORMAT_RESERVED_16 = 0x16,
+    GGL_PIXEL_FORMAT_RESERVED_17 = 0x17,
 
     // reserved/special formats
     GGL_PIXEL_FORMAT_Z_16       =  0x18,
@@ -53,9 +55,9 @@
     GGL_PIXEL_FORMAT_SZ_24      =  0x1A,
     GGL_PIXEL_FORMAT_SZ_8       =  0x1B,
 
-    // other variations of YCbCr/YCrCb
-    GGL_PIXEL_FORMAT_YCbCr_420_SP_TILED = 0x20,
-    GGL_PIXEL_FORMAT_YCrCb_420_SP       = 0x21,
+    // reserved range. don't use.
+    GGL_PIXEL_FORMAT_RESERVED_20 = 0x20,
+    GGL_PIXEL_FORMAT_RESERVED_21 = 0x21,
 };
 
 enum GGLFormatComponents {
@@ -66,10 +68,6 @@
 	GGL_RGBA				= 0x1908,
 	GGL_LUMINANCE			= 0x1909,
 	GGL_LUMINANCE_ALPHA		= 0x190A,
-    GGL_Y_CB_CR_SP          = 0x8000,
-    GGL_Y_CB_CR             = GGL_Y_CB_CR_SP,
-    GGL_Y_CB_CR_P           = 0x8001,
-    GGL_Y_CB_CR_I           = 0x8002,
 };
 
 enum GGLFormatComponentIndex {
diff --git a/libpixelflinger/format.cpp b/libpixelflinger/format.cpp
index 161e6d6..6546e8c 100644
--- a/libpixelflinger/format.cpp
+++ b/libpixelflinger/format.cpp
@@ -40,12 +40,12 @@
     {  0,  0, {{ 0, 0,   0, 0,   0, 0,   0, 0 }},        0 },   // PIXEL_FORMAT_NONE
     {  0,  0, {{ 0, 0,   0, 0,   0, 0,   0, 0 }},        0 },   // PIXEL_FORMAT_NONE
 
-    {  1, 16, {{ 0, 8,   0, 8,   0, 8,   0, 0 }}, GGL_Y_CB_CR_SP },// PIXEL_FORMAT_YCbCr_422_SP
-    {  1, 12, {{ 0, 8,   0, 8,   0, 8,   0, 0 }}, GGL_Y_CB_CR_SP },// PIXEL_FORMAT_YCbCr_420_SP
-    {  1, 16, {{ 0, 8,   0, 8,   0, 8,   0, 0 }}, GGL_Y_CB_CR_P }, // PIXEL_FORMAT_YCbCr_422_P
-    {  1, 12, {{ 0, 8,   0, 8,   0, 8,   0, 0 }}, GGL_Y_CB_CR_P }, // PIXEL_FORMAT_YCbCr_420_P
-    {  1, 16, {{ 0, 8,   0, 8,   0, 8,   0, 0 }}, GGL_Y_CB_CR_I }, // PIXEL_FORMAT_YCbCr_422_I
-    {  1, 12, {{ 0, 8,   0, 8,   0, 8,   0, 0 }}, GGL_Y_CB_CR_I }, // PIXEL_FORMAT_YCbCr_420_I
+    {  0,  0, {{ 0, 0,   0, 0,   0, 0,   0, 0 }},        0 },   // PIXEL_FORMAT_NONE
+    {  0,  0, {{ 0, 0,   0, 0,   0, 0,   0, 0 }},        0 },   // PIXEL_FORMAT_NONE
+    {  0,  0, {{ 0, 0,   0, 0,   0, 0,   0, 0 }},        0 },   // PIXEL_FORMAT_NONE
+    {  0,  0, {{ 0, 0,   0, 0,   0, 0,   0, 0 }},        0 },   // PIXEL_FORMAT_NONE
+    {  0,  0, {{ 0, 0,   0, 0,   0, 0,   0, 0 }},        0 },   // PIXEL_FORMAT_NONE
+    {  0,  0, {{ 0, 0,   0, 0,   0, 0,   0, 0 }},        0 },   // PIXEL_FORMAT_NONE
     {  0,  0, {{ 0, 0,   0, 0,   0, 0,   0, 0 }},        0 },   // PIXEL_FORMAT_NONE
     {  0,  0, {{ 0, 0,   0, 0,   0, 0,   0, 0 }},        0 },   // PIXEL_FORMAT_NONE
     
@@ -53,6 +53,15 @@
     {  1,  8, {{  8, 0,  0, 0,   0, 0,   0, 0 }}, GGL_STENCIL_INDEX  },
     {  4, 24, {{  0, 0, 24, 0,   0, 0,   0, 0 }}, GGL_DEPTH_COMPONENT},
     {  4,  8, {{ 32,24,  0, 0,   0, 0,   0, 0 }}, GGL_STENCIL_INDEX  },
+
+    {  0,  0, {{ 0, 0,   0, 0,   0, 0,   0, 0 }},        0 },   // PIXEL_FORMAT_NONE
+    {  0,  0, {{ 0, 0,   0, 0,   0, 0,   0, 0 }},        0 },   // PIXEL_FORMAT_NONE
+    {  0,  0, {{ 0, 0,   0, 0,   0, 0,   0, 0 }},        0 },   // PIXEL_FORMAT_NONE
+    {  0,  0, {{ 0, 0,   0, 0,   0, 0,   0, 0 }},        0 },   // PIXEL_FORMAT_NONE
+
+    {  0,  0, {{ 0, 0,   0, 0,   0, 0,   0, 0 }},        0 },   // PIXEL_FORMAT_NONE
+    {  0,  0, {{ 0, 0,   0, 0,   0, 0,   0, 0 }},        0 },   // PIXEL_FORMAT_NONE
+
 };
 
 }; // namespace android