diff --git a/libpixelflinger/include/pixelflinger/format.h b/libpixelflinger/include/pixelflinger/format.h
new file mode 100644
index 0000000..82eeca4
--- /dev/null
+++ b/libpixelflinger/include/pixelflinger/format.h
@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2005 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_PIXELFLINGER_FORMAT_H
+#define ANDROID_PIXELFLINGER_FORMAT_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+enum GGLPixelFormat {
+    // these constants need to match those
+    // in graphics/PixelFormat.java, ui/PixelFormat.h, BlitHardware.h
+    GGL_PIXEL_FORMAT_UNKNOWN    =   0,
+    GGL_PIXEL_FORMAT_NONE       =   0,
+
+    GGL_PIXEL_FORMAT_RGBA_8888   =   1,  // 4x8-bit ARGB
+    GGL_PIXEL_FORMAT_RGBX_8888   =   2,  // 3x8-bit RGB stored in 32-bit chunks
+    GGL_PIXEL_FORMAT_RGB_888     =   3,  // 3x8-bit RGB
+    GGL_PIXEL_FORMAT_RGB_565     =   4,  // 16-bit RGB
+    GGL_PIXEL_FORMAT_BGRA_8888   =   5,  // 4x8-bit BGRA
+    GGL_PIXEL_FORMAT_RGBA_5551   =   6,  // 16-bit RGBA
+    GGL_PIXEL_FORMAT_RGBA_4444   =   7,  // 16-bit RGBA
+
+    GGL_PIXEL_FORMAT_A_8         =   8,  // 8-bit A
+    GGL_PIXEL_FORMAT_L_8         =   9,  // 8-bit L (R=G=B = L)
+    GGL_PIXEL_FORMAT_LA_88       = 0xA,  // 16-bit LA
+    GGL_PIXEL_FORMAT_RGB_332     = 0xB,  // 8-bit RGB (non paletted)
+
+    // 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,
+    GGL_PIXEL_FORMAT_S_8        =  0x19,
+    GGL_PIXEL_FORMAT_SZ_24      =  0x1A,
+    GGL_PIXEL_FORMAT_SZ_8       =  0x1B,
+
+    // reserved range. don't use.
+    GGL_PIXEL_FORMAT_RESERVED_20 = 0x20,
+    GGL_PIXEL_FORMAT_RESERVED_21 = 0x21,
+};
+
+enum GGLFormatComponents {
+	GGL_STENCIL_INDEX		= 0x1901,
+	GGL_DEPTH_COMPONENT		= 0x1902,
+	GGL_ALPHA				= 0x1906,
+	GGL_RGB					= 0x1907,
+	GGL_RGBA				= 0x1908,
+	GGL_LUMINANCE			= 0x1909,
+	GGL_LUMINANCE_ALPHA		= 0x190A,
+};
+
+enum GGLFormatComponentIndex {
+    GGL_INDEX_ALPHA   = 0,
+    GGL_INDEX_RED     = 1,
+    GGL_INDEX_GREEN   = 2,
+    GGL_INDEX_BLUE    = 3,
+    GGL_INDEX_STENCIL = 0,
+    GGL_INDEX_DEPTH   = 1,
+    GGL_INDEX_Y       = 0,
+    GGL_INDEX_CB      = 1,
+    GGL_INDEX_CR      = 2,
+};
+
+typedef struct {
+#ifdef __cplusplus
+    enum {
+        ALPHA   = GGL_INDEX_ALPHA,
+        RED     = GGL_INDEX_RED,
+        GREEN   = GGL_INDEX_GREEN,
+        BLUE    = GGL_INDEX_BLUE,
+        STENCIL = GGL_INDEX_STENCIL,
+        DEPTH   = GGL_INDEX_DEPTH,
+        LUMA    = GGL_INDEX_Y,
+        CHROMAB = GGL_INDEX_CB,
+        CHROMAR = GGL_INDEX_CR,
+    };
+    inline uint32_t mask(int i) const {
+            return ((1<<(c[i].h-c[i].l))-1)<<c[i].l;
+    }
+    inline uint32_t bits(int i) const {
+            return c[i].h - c[i].l;
+    }
+#endif
+	uint8_t     size;	// bytes per pixel
+    uint8_t     bitsPerPixel;
+    union {    
+        struct {
+            uint8_t     ah;		// alpha high bit position + 1
+            uint8_t     al;		// alpha low bit position
+            uint8_t     rh;		// red high bit position + 1
+            uint8_t     rl;		// red low bit position
+            uint8_t     gh;		// green high bit position + 1
+            uint8_t     gl;		// green low bit position
+            uint8_t     bh;		// blue high bit position + 1
+            uint8_t     bl;		// blue low bit position
+        };
+        struct {
+            uint8_t h;
+            uint8_t l;
+        } __attribute__((__packed__)) c[4];        
+    } __attribute__((__packed__));
+	uint16_t    components;	// GGLFormatComponents
+} GGLFormat;
+
+
+#ifdef __cplusplus
+extern "C" const GGLFormat* gglGetPixelFormatTable(size_t* numEntries = 0);
+#else
+const GGLFormat* gglGetPixelFormatTable(size_t* numEntries);
+#endif
+
+
+// ----------------------------------------------------------------------------
+
+#endif // ANDROID_PIXELFLINGER_FORMAT_H