From dd7595a3475407a7fa96a97393bae8c5220e8762 Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Wed, 4 Jan 2012 18:41:13 +1000
Subject: Add the base Enlightenment Foundation Libraries - eina, eet, evas,
 ecore, embryo, and edje.

Note that embryo wont be used, but I'm not sure yet if you can build edje without it.
---
 .../src/lib/engines/common/evas_convert_grypal_6.c | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 libraries/evas/src/lib/engines/common/evas_convert_grypal_6.c

(limited to 'libraries/evas/src/lib/engines/common/evas_convert_grypal_6.c')

diff --git a/libraries/evas/src/lib/engines/common/evas_convert_grypal_6.c b/libraries/evas/src/lib/engines/common/evas_convert_grypal_6.c
new file mode 100644
index 0000000..2351fda
--- /dev/null
+++ b/libraries/evas/src/lib/engines/common/evas_convert_grypal_6.c
@@ -0,0 +1,23 @@
+#include "evas_common.h"
+#include "evas_convert_grypal_6.h"
+
+#ifdef BUILD_CONVERT_8_GRAYSCALE_64
+void evas_common_convert_rgba_to_8bpp_pal_gray64(DATA32 *src, DATA8 *dst, int src_jump, int dst_jump, int w, int h, int dith_x __UNUSED__, int dith_y __UNUSED__, DATA8 *pal)
+{
+    DATA32 *src_ptr;
+    DATA8 *dst_ptr;
+    int x, y;
+    DATA8 Y;
+
+    dst_ptr = dst;
+    CONVERT_LOOP_START_ROT_0();
+
+    /* RGB -> YUV conversion */
+    Y = ((R_VAL(src_ptr) * 76) + 
+         (G_VAL(src_ptr) * 151) + 
+         (B_VAL(src_ptr) * 29)) >> 10;
+    *dst_ptr = pal[Y];
+
+    CONVERT_LOOP_END_ROT_0();
+}
+#endif
-- 
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