More common things moved out from the GFX plugins. No visible changes.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@27 8ced0084-cf51-0410-be5f-012b33b47a6e

1 files changed, 27 insertions, 0 deletions

diff --git a/Source/Core/VideoCommon/Src/LookUpTables.cpp b/Source/Core/VideoCommon/Src/LookUpTables.cpp
new file mode 100644
index 0000000000..fd69cee6d9
--- /dev/null
+++ b/Source/Core/VideoCommon/Src/LookUpTables.cpp
@@ -0,0 +1,27 @@
+#include "LookUpTables.h"

+

+int lut3to8[8];

+int lut4to8[16];

+int lut5to8[32];

+int lut6to8[64];

+float lutu8tosfloat[256];

+float lutu8toufloat[256];

+float luts8tosfloat[256];

+

+void InitLUTs()

+{

+    for (int i = 0; i < 8; i++)

+        lut3to8[i] = (i*255) / 7;

+    for (int i = 0; i < 16; i++)

+        lut4to8[i] = (i*255) / 15;

+    for (int i = 0; i < 32; i++)

+        lut5to8[i] = (i*255) / 31;	

+    for (int i = 0; i < 64; i++)

+        lut6to8[i] = (i*255) / 63;

+    for (int i = 0; i < 256; i++)

+    {

+        lutu8tosfloat[i] = (float)(i-128) / 127.0f;

+        lutu8toufloat[i] = (float)(i) / 255.0f;

+        luts8tosfloat[i] = ((float)(signed char)(char)i) / 127.0f;

+    }

+}