1 files changed, 116 insertions, 0 deletions
diff --git a/tags/1.2.1/simd/jcgrammx.asm b/tags/1.2.1/simd/jcgrammx.asm
new file mode 100644
index 0000000..b8b8dd3
--- /dev/null
+++ b/tags/1.2.1/simd/jcgrammx.asm
@@ -0,0 +1,116 @@
+;
+; jcgrammx.asm - grayscale colorspace conversion (MMX)
+;
+; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
+; Copyright 2011 D. R. Commander
+;
+; Based on
+; x86 SIMD extension for IJG JPEG library
+; Copyright (C) 1999-2006, MIYASAKA Masaru.
+; For conditions of distribution and use, see copyright notice in jsimdext.inc
+;
+; This file should be assembled with NASM (Netwide Assembler),
+; can *not* be assembled with Microsoft's MASM or any compatible
+; assembler (including Borland's Turbo Assembler).
+; NASM is available from http://nasm.sourceforge.net/ or
+; http://sourceforge.net/project/showfiles.php?group_id=6208
+;
+; [TAB8]
+
+%include "jsimdext.inc"
+
+; --------------------------------------------------------------------------
+
+%define SCALEBITS	16
+
+F_0_114	equ	 7471			; FIX(0.11400)
+F_0_250	equ	16384			; FIX(0.25000)
+F_0_299	equ	19595			; FIX(0.29900)
+F_0_587	equ	38470			; FIX(0.58700)
+F_0_337	equ	(F_0_587 - F_0_250)	; FIX(0.58700) - FIX(0.25000)
+
+; --------------------------------------------------------------------------
+	SECTION	SEG_CONST
+
+	alignz	16
+	global	EXTN(jconst_rgb_gray_convert_mmx)
+
+EXTN(jconst_rgb_gray_convert_mmx):
+
+PW_F0299_F0337	times 2 dw  F_0_299, F_0_337
+PW_F0114_F0250	times 2 dw  F_0_114, F_0_250
+PD_ONEHALF	times 2 dd  (1 << (SCALEBITS-1))
+
+	alignz	16
+
+; --------------------------------------------------------------------------
+	SECTION	SEG_TEXT
+	BITS	32
+
+%include "jcgrymmx.asm"
+
+%undef RGB_RED
+%undef RGB_GREEN
+%undef RGB_BLUE
+%undef RGB_PIXELSIZE
+%define RGB_RED EXT_RGB_RED
+%define RGB_GREEN EXT_RGB_GREEN
+%define RGB_BLUE EXT_RGB_BLUE
+%define RGB_PIXELSIZE EXT_RGB_PIXELSIZE
+%define jsimd_rgb_gray_convert_mmx jsimd_extrgb_gray_convert_mmx
+%include "jcgrymmx.asm"
+
+%undef RGB_RED
+%undef RGB_GREEN
+%undef RGB_BLUE
+%undef RGB_PIXELSIZE
+%define RGB_RED EXT_RGBX_RED
+%define RGB_GREEN EXT_RGBX_GREEN
+%define RGB_BLUE EXT_RGBX_BLUE
+%define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE
+%define jsimd_rgb_gray_convert_mmx jsimd_extrgbx_gray_convert_mmx
+%include "jcgrymmx.asm"
+
+%undef RGB_RED
+%undef RGB_GREEN
+%undef RGB_BLUE
+%undef RGB_PIXELSIZE
+%define RGB_RED EXT_BGR_RED
+%define RGB_GREEN EXT_BGR_GREEN
+%define RGB_BLUE EXT_BGR_BLUE
+%define RGB_PIXELSIZE EXT_BGR_PIXELSIZE
+%define jsimd_rgb_gray_convert_mmx jsimd_extbgr_gray_convert_mmx
+%include "jcgrymmx.asm"
+
+%undef RGB_RED
+%undef RGB_GREEN
+%undef RGB_BLUE
+%undef RGB_PIXELSIZE
+%define RGB_RED EXT_BGRX_RED
+%define RGB_GREEN EXT_BGRX_GREEN
+%define RGB_BLUE EXT_BGRX_BLUE
+%define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE
+%define jsimd_rgb_gray_convert_mmx jsimd_extbgrx_gray_convert_mmx
+%include "jcgrymmx.asm"
+
+%undef RGB_RED
+%undef RGB_GREEN
+%undef RGB_BLUE
+%undef RGB_PIXELSIZE
+%define RGB_RED EXT_XBGR_RED
+%define RGB_GREEN EXT_XBGR_GREEN
+%define RGB_BLUE EXT_XBGR_BLUE
+%define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE
+%define jsimd_rgb_gray_convert_mmx jsimd_extxbgr_gray_convert_mmx
+%include "jcgrymmx.asm"
+
+%undef RGB_RED
+%undef RGB_GREEN
+%undef RGB_BLUE
+%undef RGB_PIXELSIZE
+%define RGB_RED EXT_XRGB_RED
+%define RGB_GREEN EXT_XRGB_GREEN
+%define RGB_BLUE EXT_XRGB_BLUE
+%define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE
+%define jsimd_rgb_gray_convert_mmx jsimd_extxrgb_gray_convert_mmx
+%include "jcgrymmx.asm"