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legacy-imlib2
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let autoconf figure out our endianess 

SVN revision: 335
This commit is contained in:
Carsten Haitzler 1999-09-19 21:53:58 +00:00
parent c666420ac4
commit 6348b06d29
3 changed files with 23 additions and 25 deletions
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2
configure.in
View File

@ -7,6 +7,8 @@ AM_INIT_AUTOMAKE(imlib, 2.0)
pkglibdir='${libdir}'/loaders
AC_SUBST(pkglibdir)
AC_C_BIGENDIAN
AC_LIBLTDL_CONVENIENCE
AC_CONFIG_SUBDIRS(libltdl)

9
loader_png.c
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@ -115,19 +115,12 @@ load (ImlibImage *im,
if (hasa)
png_set_expand(png_ptr);
/* we want ARGB */
png_set_bgr(png_ptr);
#ifdef __BIG_ENDIAN__
png_set_swap_alpha(png_ptr);
#endif
/* 16bit color -> 8bit color */
png_set_strip_16(png_ptr);
/* we want ARGB */
/* note form raster: */
/* thanks to mustapha for helping debug this on PPC Linux remotely by */
/* sending across screenshots all the tiem and me figuring out form them */
/* what the hell was up with the colors */
/* now png loading shoudl work on big endian machines nicely */
#ifdef __BIG_ENDIAN__
#ifdef WORDS_BIGENDIAN
png_set_swap_alpha(png_ptr);
#else
png_set_bgr(png_ptr);

37
rgba.c
View File

@ -2,6 +2,9 @@
#include <X11/Xlib.h>
#include "context.h"
#include "rgba.h"
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#define IS_ALIGNED_64(val) (!((val) & 0x7))
#define IS_ALIGNED_32(val) (!((val) & 0x3))
@ -12,7 +15,7 @@
/* for PPC / Motorola / SPARC, not x86, ALPHA */
/* dont uncomment this - i have this here for my own testing */
/*#define __BIG_ENDIAN__*/
/*#define WORDS_BIGENDIAN*/
/* for data in ABGR memory model */
/* NOTES: */
@ -43,7 +46,7 @@ static DATA8 *_dither_b8;
*dest = ((*src >> 8) & 0xf800) | \
((*src >> 5) & 0x7e0) | \
((*src >> 3) & 0x1f); dest++; src++
#ifdef __BIG_ENDIAN__
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB565(src, dest) \
{ \
*((DATA32 *)dest) = ((src[1] >> 8) & 0xf800) | \
@ -79,7 +82,7 @@ static DATA8 *_dither_b8;
*dest = (DITHER_RGBA_565_LUT_R(0)) | \
(DITHER_RGBA_565_LUT_G(0)) | \
(DITHER_RGBA_565_LUT_B(0)); dest++; src++
#ifdef __BIG_ENDIAN__
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB565_DITHER(src, dest) \
{ \
*((DATA32 *)dest) = ((DITHER_RGBA_565_LUT_R(1))) | \
@ -114,7 +117,7 @@ static DATA8 *_dither_b8;
*dest = ((*src >> 9) & 0x7c00) | \
((*src >> 6) & 0x3e0) | \
((*src >> 3) & 0x1f); dest++; src++
#ifdef __BIG_ENDIAN__
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB555(src, dest) \
{ \
*((DATA32 *)dest) = ((src[1] >> 9) & 0x7c00) | \
@ -150,7 +153,7 @@ static DATA8 *_dither_b8;
*dest = (DITHER_RGBA_555_LUT_R(0)) | \
(DITHER_RGBA_555_LUT_G(0)) | \
(DITHER_RGBA_555_LUT_B(0)); dest++; src++
#ifdef __BIG_ENDIAN__
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB555_DITHER(src, dest) \
{ \
*((DATA32 *)dest) = ((DITHER_RGBA_555_LUT_R(1))) | \
@ -185,7 +188,7 @@ static DATA8 *_dither_b8;
*dest = _dither_color_lut[((*src >> 6) & 0x03) | \
((*src >> 11) & 0x1c) | \
((*src >> 16) & 0xe0)]; dest++; src++
#ifdef __BIG_ENDIAN__
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB332(src, dest) \
{ \
*((DATA16 *)dest) = (_dither_color_lut[((src[1] >> 6) & 0x03) | \
@ -253,7 +256,7 @@ static DATA8 *_dither_b8;
*dest = _dither_color_lut[(DITHER_RGBA_332_LUT_R(0)) | \
(DITHER_RGBA_332_LUT_G(0)) | \
(DITHER_RGBA_332_LUT_B(0))]; dest++; src++
#ifdef __BIG_ENDIAN__
#ifdef WORDS_BIGENDIAN
#define WRITE4_RGBA_RGB332_DITHER(src, dest) \
{ \
*((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_332_LUT_R(3))) | \
@ -327,7 +330,7 @@ static DATA8 *_dither_b8;
*dest = _dither_color_lut[((*src RGB232_BSHIFT) RGB232_BMASK) | \
((*src RGB232_GSHIFT) RGB232_GMASK) | \
((*src RGB232_RSHIFT) RGB232_RMASK)]; dest++; src++
#ifdef __BIG_ENDIAN__
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB232(src, dest) \
{ \
*((DATA16 *)dest) = (_dither_color_lut[((src[1] RGB232_BSHIFT) RGB232_BMASK) | \
@ -395,7 +398,7 @@ static DATA8 *_dither_b8;
*dest = _dither_color_lut[(DITHER_RGBA_232_LUT_R(0)) | \
(DITHER_RGBA_232_LUT_G(0)) | \
(DITHER_RGBA_232_LUT_B(0))]; dest++; src++
#ifdef __BIG_ENDIAN__
#ifdef WORDS_BIGENDIAN
#define WRITE4_RGBA_RGB232_DITHER(src, dest) \
{ \
*((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_232_LUT_R(3))) | \
@ -469,7 +472,7 @@ static DATA8 *_dither_b8;
*dest = _dither_color_lut[((*src RGB222_BSHIFT) RGB222_BMASK) | \
((*src RGB222_GSHIFT) RGB222_GMASK) | \
((*src RGB222_RSHIFT) RGB222_RMASK)]; dest++; src++
#ifdef __BIG_ENDIAN__
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB222(src, dest) \
{ \
*((DATA16 *)dest) = (_dither_color_lut[((src[1] RGB222_BSHIFT) RGB222_BMASK) | \
@ -537,7 +540,7 @@ static DATA8 *_dither_b8;
*dest = _dither_color_lut[(DITHER_RGBA_222_LUT_R(0)) | \
(DITHER_RGBA_222_LUT_G(0)) | \
(DITHER_RGBA_222_LUT_B(0))]; dest++; src++
#ifdef __BIG_ENDIAN__
#ifdef WORDS_BIGENDIAN
#define WRITE4_RGBA_RGB222_DITHER(src, dest) \
{ \
*((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_222_LUT_R(3))) | \
@ -611,7 +614,7 @@ static DATA8 *_dither_b8;
*dest = _dither_color_lut[((*src RGB221_BSHIFT) RGB221_BMASK) | \
((*src RGB221_GSHIFT) RGB221_GMASK) | \
((*src RGB221_RSHIFT) RGB221_RMASK)]; dest++; src++
#ifdef __BIG_ENDIAN__
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB221(src, dest) \
{ \
*((DATA16 *)dest) = (_dither_color_lut[((src[1] RGB221_BSHIFT) RGB221_BMASK) | \
@ -679,7 +682,7 @@ static DATA8 *_dither_b8;
*dest = _dither_color_lut[(DITHER_RGBA_221_LUT_R(0)) | \
(DITHER_RGBA_221_LUT_G(0)) | \
(DITHER_RGBA_221_LUT_B(0))]; dest++; src++
#ifdef __BIG_ENDIAN__
#ifdef WORDS_BIGENDIAN
#define WRITE4_RGBA_RGB221_DITHER(src, dest) \
{ \
*((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_221_LUT_R(3))) | \
@ -753,7 +756,7 @@ static DATA8 *_dither_b8;
*dest = _dither_color_lut[((*src RGB121_BSHIFT) RGB121_BMASK) | \
((*src RGB121_GSHIFT) RGB121_GMASK) | \
((*src RGB121_RSHIFT) RGB121_RMASK)]; dest++; src++
#ifdef __BIG_ENDIAN__
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB121(src, dest) \
{ \
*((DATA16 *)dest) = (_dither_color_lut[((src[1] RGB121_BSHIFT) RGB121_BMASK) | \
@ -821,7 +824,7 @@ static DATA8 *_dither_b8;
*dest = _dither_color_lut[(DITHER_RGBA_121_LUT_R(0)) | \
(DITHER_RGBA_121_LUT_G(0)) | \
(DITHER_RGBA_121_LUT_B(0))]; dest++; src++
#ifdef __BIG_ENDIAN__
#ifdef WORDS_BIGENDIAN
#define WRITE4_RGBA_RGB121_DITHER(src, dest) \
{ \
*((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_121_LUT_R(3))) | \
@ -895,7 +898,7 @@ static DATA8 *_dither_b8;
*dest = _dither_color_lut[((*src RGB111_BSHIFT) RGB111_BMASK) | \
((*src RGB111_GSHIFT) RGB111_GMASK) | \
((*src RGB111_RSHIFT) RGB111_RMASK)]; dest++; src++
#ifdef __BIG_ENDIAN__
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB111(src, dest) \
{ \
*((DATA16 *)dest) = (_dither_color_lut[((src[1] RGB111_BSHIFT) RGB111_BMASK) | \
@ -963,7 +966,7 @@ static DATA8 *_dither_b8;
*dest = _dither_color_lut[(DITHER_RGBA_111_LUT_R(0)) | \
(DITHER_RGBA_111_LUT_G(0)) | \
(DITHER_RGBA_111_LUT_B(0))]; dest++; src++
#ifdef __BIG_ENDIAN__
#ifdef WORDS_BIGENDIAN
#define WRITE4_RGBA_RGB111_DITHER(src, dest) \
{ \
*((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_111_LUT_R(3))) | \