1 files changed, 111 insertions, 0 deletions
diff --git a/media/libjpeg/simd/powerpc/jcgray-altivec.c b/media/libjpeg/simd/powerpc/jcgray-altivec.c
new file mode 100644
index 0000000000..a11a7e7021
--- /dev/null
+++ b/media/libjpeg/simd/powerpc/jcgray-altivec.c
@@ -0,0 +1,111 @@
+/*
+ * AltiVec optimizations for libjpeg-turbo
+ *
+ * Copyright (C) 2014, D. R. Commander.  All Rights Reserved.
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty.  In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 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
+ *    in a product, an acknowledgment in the product documentation would be
+ *    appreciated but is not required.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
+ */
+
+/* RGB --> GRAYSCALE CONVERSION */
+
+#include "jsimd_altivec.h"
+
+
+#define F_0_114  7471                 /* FIX(0.11400) */
+#define F_0_250  16384                /* FIX(0.25000) */
+#define F_0_299  19595                /* FIX(0.29900) */
+#define F_0_587  38470                /* FIX(0.58700) */
+#define F_0_337  (F_0_587 - F_0_250)  /* FIX(0.58700) - FIX(0.25000) */
+
+#define SCALEBITS  16
+#define ONE_HALF  (1 << (SCALEBITS - 1))
+
+
+#define RGBG_INDEX0 \
+  {  0,  1,  3,  4,  6,  7,  9, 10,  2,  1,  5,  4,  8,  7, 11, 10 }
+#define RGBG_INDEX1 \
+  { 12, 13, 15, 16, 18, 19, 21, 22, 14, 13, 17, 16, 20, 19, 23, 22 }
+#define RGBG_INDEX2 \
+  {  8,  9, 11, 12, 14, 15, 17, 18, 10,  9, 13, 12, 16, 15, 19, 18 }
+#define RGBG_INDEX3 \
+  {  4,  5,  7,  8, 10, 11, 13, 14,  6,  5,  9,  8, 12, 11, 15, 14 }
+#include "jcgryext-altivec.c"
+#undef RGB_PIXELSIZE
+
+#define RGB_PIXELSIZE  EXT_RGB_PIXELSIZE
+#define jsimd_rgb_gray_convert_altivec  jsimd_extrgb_gray_convert_altivec
+#include "jcgryext-altivec.c"
+#undef RGB_PIXELSIZE
+#undef RGBG_INDEX0
+#undef RGBG_INDEX1
+#undef RGBG_INDEX2
+#undef RGBG_INDEX3
+#undef jsimd_rgb_gray_convert_altivec
+
+#define RGB_PIXELSIZE  EXT_RGBX_PIXELSIZE
+#define RGBG_INDEX \
+  {  0,  1,  4,  5,  8,  9, 12, 13,  2,  1,  6,  5, 10,  9, 14, 13 }
+#define jsimd_rgb_gray_convert_altivec  jsimd_extrgbx_gray_convert_altivec
+#include "jcgryext-altivec.c"
+#undef RGB_PIXELSIZE
+#undef RGBG_INDEX
+#undef jsimd_rgb_gray_convert_altivec
+
+#define RGB_PIXELSIZE  EXT_BGR_PIXELSIZE
+#define RGBG_INDEX0 \
+  {  2,  1,  5,  4,  8,  7, 11, 10,  0,  1,  3,  4,  6,  7,  9, 10 }
+#define RGBG_INDEX1 \
+  { 14, 13, 17, 16, 20, 19, 23, 22, 12, 13, 15, 16, 18, 19, 21, 22 }
+#define RGBG_INDEX2 \
+  { 10,  9, 13, 12, 16, 15, 19, 18,  8,  9, 11, 12, 14, 15, 17, 18 }
+#define RGBG_INDEX3 \
+  {  6,  5,  9,  8, 12, 11, 15, 14,  4,  5,  7,  8, 10, 11, 13, 14 }
+#define jsimd_rgb_gray_convert_altivec  jsimd_extbgr_gray_convert_altivec
+#include "jcgryext-altivec.c"
+#undef RGB_PIXELSIZE
+#undef RGBG_INDEX0
+#undef RGBG_INDEX1
+#undef RGBG_INDEX2
+#undef RGBG_INDEX3
+#undef jsimd_rgb_gray_convert_altivec
+
+#define RGB_PIXELSIZE  EXT_BGRX_PIXELSIZE
+#define RGBG_INDEX \
+  {  2,  1,  6,  5, 10,  9, 14, 13,  0,  1,  4,  5,  8,  9, 12, 13 }
+#define jsimd_rgb_gray_convert_altivec  jsimd_extbgrx_gray_convert_altivec
+#include "jcgryext-altivec.c"
+#undef RGB_PIXELSIZE
+#undef RGBG_INDEX
+#undef jsimd_rgb_gray_convert_altivec
+
+#define RGB_PIXELSIZE  EXT_XBGR_PIXELSIZE
+#define RGBG_INDEX \
+  {  3,  2,  7,  6, 11, 10, 15, 14,  1,  2,  5,  6,  9, 10, 13, 14 }
+#define jsimd_rgb_gray_convert_altivec  jsimd_extxbgr_gray_convert_altivec
+#include "jcgryext-altivec.c"
+#undef RGB_PIXELSIZE
+#undef RGBG_INDEX
+#undef jsimd_rgb_gray_convert_altivec
+
+#define RGB_PIXELSIZE  EXT_XRGB_PIXELSIZE
+#define RGBG_INDEX \
+  {  1,  2,  5,  6,  9, 10, 13, 14,  3,  2,  7,  6, 11, 10, 15, 14 }
+#define jsimd_rgb_gray_convert_altivec  jsimd_extxrgb_gray_convert_altivec
+#include "jcgryext-altivec.c"
+#undef RGB_PIXELSIZE
+#undef RGBG_INDEX
+#undef jsimd_rgb_gray_convert_altivec