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Merge pull request #938 from lioncash/statics

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Common: Make the LUTs in ColorUtil static
This commit is contained in:
Pierre Bourdon 2014-09-02 07:36:17 +02:00
commit 9b10d36a85
1 changed files with 22 additions and 14 deletions
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36
Source/Core/Common/ColorUtil.cpp
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@ -8,13 +8,21 @@
namespace ColorUtil
{
const int lut5to8[] = { 0x00,0x08,0x10,0x18,0x20,0x29,0x31,0x39,
0x41,0x4A,0x52,0x5A,0x62,0x6A,0x73,0x7B,
0x83,0x8B,0x94,0x9C,0xA4,0xAC,0xB4,0xBD,
0xC5,0xCD,0xD5,0xDE,0xE6,0xEE,0xF6,0xFF };
const int lut4to8[] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,
0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF };
const int lut3to8[] = { 0x00,0x24,0x48,0x6D,0x91,0xB6,0xDA,0xFF };
static const int s_lut5to8[] = {
0x00,0x08,0x10,0x18,0x20,0x29,0x31,0x39,
0x41,0x4A,0x52,0x5A,0x62,0x6A,0x73,0x7B,
0x83,0x8B,0x94,0x9C,0xA4,0xAC,0xB4,0xBD,
0xC5,0xCD,0xD5,0xDE,0xE6,0xEE,0xF6,0xFF
};
static const int s_lut4to8[] = {
0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,
0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF
};
static const int s_lut3to8[] = {
0x00,0x24,0x48,0x6D,0x91,0xB6,0xDA,0xFF
};
static u32 Decode5A3(u16 val)
{
@ -24,17 +32,17 @@ static u32 Decode5A3(u16 val)
if (val & 0x8000)
{
r = lut5to8[(val >> 10) & 0x1f];
g = lut5to8[(val >> 5) & 0x1f];
b = lut5to8[(val) & 0x1f];
r = s_lut5to8[(val >> 10) & 0x1f];
g = s_lut5to8[(val >> 5) & 0x1f];
b = s_lut5to8[(val) & 0x1f];
a = 0xFF;
}
else
{
a = lut3to8[(val >> 12) & 0x7];
r = (lut4to8[(val >> 8) & 0xf] * a + (bg_color & 0xFF) * (255 - a)) / 255;
g = (lut4to8[(val >> 4) & 0xf] * a + ((bg_color >> 8) & 0xFF) * (255 - a)) / 255;
b = (lut4to8[(val) & 0xf] * a + ((bg_color >> 16) & 0xFF) * (255 - a)) / 255;
a = s_lut3to8[(val >> 12) & 0x7];
r = (s_lut4to8[(val >> 8) & 0xf] * a + (bg_color & 0xFF) * (255 - a)) / 255;
g = (s_lut4to8[(val >> 4) & 0xf] * a + ((bg_color >> 8) & 0xFF) * (255 - a)) / 255;
b = (s_lut4to8[(val) & 0xf] * a + ((bg_color >> 16) & 0xFF) * (255 - a)) / 255;
a = 0xFF;
}
return (a << 24) | (r << 16) | (g << 8) | b;