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Use 8-bit write to avoid potential pointer aliasing issues (also, at least on x86, it's faster than the previous approach.)

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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@700 632fc199-4ca6-4c93-a231-07263d6284db
This commit is contained in:
DRC
2011-09-09 18:15:53 +00:00
parent c08e8c15bc
commit d89e01f5ce
2 changed files with 18 additions and 8 deletions
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8
jdcolor.c
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@@ -90,6 +90,7 @@ typedef my_color_deconverter * my_cconvert_ptr;
#define RGB_RED EXT_RGBX_RED
#define RGB_GREEN EXT_RGBX_GREEN
#define RGB_BLUE EXT_RGBX_BLUE
#define RGB_ALPHA 3
#define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE
#define ycc_rgb_convert_internal ycc_extrgbx_convert_internal
#define gray_rgb_convert_internal gray_extrgbx_convert_internal
@@ -97,6 +98,7 @@ typedef my_color_deconverter * my_cconvert_ptr;
#undef RGB_RED
#undef RGB_GREEN
#undef RGB_BLUE
#undef RGB_ALPHA
#undef RGB_PIXELSIZE
#undef ycc_rgb_convert_internal
#undef gray_rgb_convert_internal
@@ -118,6 +120,7 @@ typedef my_color_deconverter * my_cconvert_ptr;
#define RGB_RED EXT_BGRX_RED
#define RGB_GREEN EXT_BGRX_GREEN
#define RGB_BLUE EXT_BGRX_BLUE
#define RGB_ALPHA 3
#define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE
#define ycc_rgb_convert_internal ycc_extbgrx_convert_internal
#define gray_rgb_convert_internal gray_extbgrx_convert_internal
@@ -125,6 +128,7 @@ typedef my_color_deconverter * my_cconvert_ptr;
#undef RGB_RED
#undef RGB_GREEN
#undef RGB_BLUE
#undef RGB_ALPHA
#undef RGB_PIXELSIZE
#undef ycc_rgb_convert_internal
#undef gray_rgb_convert_internal
@@ -132,6 +136,7 @@ typedef my_color_deconverter * my_cconvert_ptr;
#define RGB_RED EXT_XBGR_RED
#define RGB_GREEN EXT_XBGR_GREEN
#define RGB_BLUE EXT_XBGR_BLUE
#define RGB_ALPHA 0
#define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE
#define ycc_rgb_convert_internal ycc_extxbgr_convert_internal
#define gray_rgb_convert_internal gray_extxbgr_convert_internal
@@ -139,6 +144,7 @@ typedef my_color_deconverter * my_cconvert_ptr;
#undef RGB_RED
#undef RGB_GREEN
#undef RGB_BLUE
#undef RGB_ALPHA
#undef RGB_PIXELSIZE
#undef ycc_rgb_convert_internal
#undef gray_rgb_convert_internal
@@ -146,6 +152,7 @@ typedef my_color_deconverter * my_cconvert_ptr;
#define RGB_RED EXT_XRGB_RED
#define RGB_GREEN EXT_XRGB_GREEN
#define RGB_BLUE EXT_XRGB_BLUE
#define RGB_ALPHA 0
#define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE
#define ycc_rgb_convert_internal ycc_extxrgb_convert_internal
#define gray_rgb_convert_internal gray_extxrgb_convert_internal
@@ -153,6 +160,7 @@ typedef my_color_deconverter * my_cconvert_ptr;
#undef RGB_RED
#undef RGB_GREEN
#undef RGB_BLUE
#undef RGB_ALPHA
#undef RGB_PIXELSIZE
#undef ycc_rgb_convert_internal
#undef gray_rgb_convert_internal