enlightenment/efl
enlightenment
/
efl
8
7
Fork 14
Code Issues 13 Pull Requests 1 Projects Releases Wiki Activity

rg_etc: convert to Unix file format.

This commit is contained in:
Cedric BAIL 2014-02-07 17:44:01 +09:00 committed by Cedric BAIL
parent 03b29127f1
commit 2cac84f567
2 changed files with 2522 additions and 2522 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4892
src/static_libs/rg_etc/rg_etc1.cpp
View File

File diff suppressed because it is too large Load Diff

152
src/static_libs/rg_etc/rg_etc1.h
View File

@ -1,76 +1,76 @@
// File: rg_etc1.h - Fast, high quality ETC1 block packer/unpacker - Rich Geldreich <richgel99@gmail.com> // File: rg_etc1.h - Fast, high quality ETC1 block packer/unpacker - Rich Geldreich <richgel99@gmail.com>
// Please see ZLIB license at the end of this file. // Please see ZLIB license at the end of this file.
#pragma once #pragma once
namespace rg_etc1 namespace rg_etc1
{ {
// Unpacks an 8-byte ETC1 compressed block to a block of 4x4 32bpp RGBA pixels. // Unpacks an 8-byte ETC1 compressed block to a block of 4x4 32bpp RGBA pixels.
// Returns false if the block is invalid. Invalid blocks will still be unpacked with clamping. // Returns false if the block is invalid. Invalid blocks will still be unpacked with clamping.
// This function is thread safe, and does not dynamically allocate any memory. // This function is thread safe, and does not dynamically allocate any memory.
// If preserve_alpha is true, the alpha channel of the destination pixels will not be overwritten. Otherwise, alpha will be set to 255. // If preserve_alpha is true, the alpha channel of the destination pixels will not be overwritten. Otherwise, alpha will be set to 255.
bool unpack_etc1_block(const void *pETC1_block, unsigned int* pDst_pixels_rgba, bool preserve_alpha = false); bool unpack_etc1_block(const void *pETC1_block, unsigned int* pDst_pixels_rgba, bool preserve_alpha = false);
// Quality setting = the higher the quality, the slower. // Quality setting = the higher the quality, the slower.
// To pack large textures, it is highly recommended to call pack_etc1_block() in parallel, on different blocks, from multiple threads (particularly when using cHighQuality). // To pack large textures, it is highly recommended to call pack_etc1_block() in parallel, on different blocks, from multiple threads (particularly when using cHighQuality).
enum etc1_quality enum etc1_quality
{ {
cLowQuality, cLowQuality,
cMediumQuality, cMediumQuality,
cHighQuality, cHighQuality,
}; };
struct etc1_pack_params struct etc1_pack_params
{ {
etc1_quality m_quality; etc1_quality m_quality;
bool m_dithering; bool m_dithering;
inline etc1_pack_params() inline etc1_pack_params()
{ {
clear(); clear();
} }
void clear() void clear()
{ {
m_quality = cHighQuality; m_quality = cHighQuality;
m_dithering = false; m_dithering = false;
} }
}; };
// Important: pack_etc1_block_init() must be called before calling pack_etc1_block(). // Important: pack_etc1_block_init() must be called before calling pack_etc1_block().
void pack_etc1_block_init(); void pack_etc1_block_init();
// Packs a 4x4 block of 32bpp RGBA pixels to an 8-byte ETC1 block. // Packs a 4x4 block of 32bpp RGBA pixels to an 8-byte ETC1 block.
// 32-bit RGBA pixels must always be arranged as (R,G,B,A) (R first, A last) in memory, independent of platform endianness. A should always be 255. // 32-bit RGBA pixels must always be arranged as (R,G,B,A) (R first, A last) in memory, independent of platform endianness. A should always be 255.
// Returns squared error of result. // Returns squared error of result.
// This function is thread safe, and does not dynamically allocate any memory. // This function is thread safe, and does not dynamically allocate any memory.
// pack_etc1_block() does not currently support "perceptual" colorspace metrics - it primarily optimizes for RGB RMSE. // pack_etc1_block() does not currently support "perceptual" colorspace metrics - it primarily optimizes for RGB RMSE.
unsigned int pack_etc1_block(void* pETC1_block, const unsigned int* pSrc_pixels_rgba, etc1_pack_params& pack_params); unsigned int pack_etc1_block(void* pETC1_block, const unsigned int* pSrc_pixels_rgba, etc1_pack_params& pack_params);
} // namespace rg_etc1 } // namespace rg_etc1
//------------------------------------------------------------------------------ //------------------------------------------------------------------------------
// //
// rg_etc1 uses the ZLIB license: // rg_etc1 uses the ZLIB license:
// http://opensource.org/licenses/Zlib // http://opensource.org/licenses/Zlib
// //
// Copyright (c) 2012 Rich Geldreich // Copyright (c) 2012 Rich Geldreich
// //
// This software is provided 'as-is', without any express or implied // This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages // warranty. In no event will the authors be held liable for any damages
// arising from the use of this software. // arising from the use of this software.
// //
// Permission is granted to anyone to use this software for any purpose, // Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it // including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions: // freely, subject to the following restrictions:
// //
// 1. The origin of this software must not be misrepresented; you must not // 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software // claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be // in a product, an acknowledgment in the product documentation would be
// appreciated but is not required. // appreciated but is not required.
// //
// 2. Altered source versions must be plainly marked as such, and must not be // 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software. // misrepresented as being the original software.
// //
// 3. This notice may not be removed or altered from any source distribution. // 3. This notice may not be removed or altered from any source distribution.
// //
//------------------------------------------------------------------------------ //------------------------------------------------------------------------------