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diff --git a/opengl/include/ETC1/etc1.h b/opengl/include/ETC1/etc1.h
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-// Copyright 2009 Google Inc.
-//
-// 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 __etc1_h__
-#define __etc1_h__
-
-#define ETC1_ENCODED_BLOCK_SIZE 8
-#define ETC1_DECODED_BLOCK_SIZE 48
-
-#ifndef ETC1_RGB8_OES
-#define ETC1_RGB8_OES 0x8D64
-#endif
-
-typedef unsigned char etc1_byte;
-typedef int etc1_bool;
-typedef unsigned int etc1_uint32;
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-// Encode a block of pixels.
-//
-// pIn is a pointer to a ETC_DECODED_BLOCK_SIZE array of bytes that represent a
-// 4 x 4 square of 3-byte pixels in form R, G, B. Byte (3 * (x + 4 * y) is the R
-// value of pixel (x, y).
-//
-// validPixelMask is a 16-bit mask where bit (1 << (x + y * 4)) indicates whether
-// the corresponding (x,y) pixel is valid. Invalid pixel color values are ignored when compressing.
-//
-// pOut is an ETC1 compressed version of the data.
-
-void etc1_encode_block(const etc1_byte* pIn, etc1_uint32 validPixelMask, etc1_byte* pOut);
-
-// Decode a block of pixels.
-//
-// pIn is an ETC1 compressed version of the data.
-//
-// pOut is a pointer to a ETC_DECODED_BLOCK_SIZE array of bytes that represent a
-// 4 x 4 square of 3-byte pixels in form R, G, B. Byte (3 * (x + 4 * y) is the R
-// value of pixel (x, y).
-
-void etc1_decode_block(const etc1_byte* pIn, etc1_byte* pOut);
-
-// Return the size of the encoded image data (does not include size of PKM header).
-
-etc1_uint32 etc1_get_encoded_data_size(etc1_uint32 width, etc1_uint32 height);
-
-// Encode an entire image.
-// pIn - pointer to the image data. Formatted such that
-// pixel (x,y) is at pIn + pixelSize * x + stride * y;
-// pOut - pointer to encoded data. Must be large enough to store entire encoded image.
-// pixelSize can be 2 or 3. 2 is an GL_UNSIGNED_SHORT_5_6_5 image, 3 is a GL_BYTE RGB image.
-// returns non-zero if there is an error.
-
-int etc1_encode_image(const etc1_byte* pIn, etc1_uint32 width, etc1_uint32 height,
- etc1_uint32 pixelSize, etc1_uint32 stride, etc1_byte* pOut);
-
-// Decode an entire image.
-// pIn - pointer to encoded data.
-// pOut - pointer to the image data. Will be written such that
-// pixel (x,y) is at pIn + pixelSize * x + stride * y. Must be
-// large enough to store entire image.
-// pixelSize can be 2 or 3. 2 is an GL_UNSIGNED_SHORT_5_6_5 image, 3 is a GL_BYTE RGB image.
-// returns non-zero if there is an error.
-
-int etc1_decode_image(const etc1_byte* pIn, etc1_byte* pOut,
- etc1_uint32 width, etc1_uint32 height,
- etc1_uint32 pixelSize, etc1_uint32 stride);
-
-// Size of a PKM header, in bytes.
-
-#define ETC_PKM_HEADER_SIZE 16
-
-// Format a PKM header
-
-void etc1_pkm_format_header(etc1_byte* pHeader, etc1_uint32 width, etc1_uint32 height);
-
-// Check if a PKM header is correctly formatted.
-
-etc1_bool etc1_pkm_is_valid(const etc1_byte* pHeader);
-
-// Read the image width from a PKM header
-
-etc1_uint32 etc1_pkm_get_width(const etc1_byte* pHeader);
-
-// Read the image height from a PKM header
-
-etc1_uint32 etc1_pkm_get_height(const etc1_byte* pHeader);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif