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nvidia-texture-tools/src/nvtt/SingleColorLookup.h

571 lines
8.4 KiB
C
Raw Blame History

/*
static int Mul8Bit(int a, int b)
{
int t = a * b + 128;
return (t + (t >> 8)) >> 8;
}
static void PrepareOptTable(uint8 * Table, const uint8 * expand, int size)
{
for (int i = 0; i < 256; i++)
{
int bestErr = 256;
for (int min = 0; min < size; min++)
{
for (int max = 0; max < size; max++)
{
int mine = expand[min];
int maxe = expand[max];
int err = abs(maxe + Mul8Bit(mine-maxe, 0x55) - i);
if (err < bestErr)
{
Table[i*2+0] = max;
Table[i*2+1] = min;
bestErr = err;
}
}
}
}
}
void initTables()
{
uint8 Expand5[32];
uint8 Expand6[64];
for(sInt i=0;i<32;i++)
Expand5[i] = (i<<3)|(i>>2);
for(sInt i=0;i<64;i++)
Expand6[i] = (i<<2)|(i>>4);
PrepareOptTable(OMatch5, Expand5, 32)
PrepareOptTable(OMatch6, Expand6, 64)
};
*/
const static uint8 OMatch5[256][2] =
{
{0x00, 0x00},
{0x00, 0x00},
{0x00, 0x01},
{0x00, 0x01},
{0x01, 0x00},
{0x01, 0x00},
{0x01, 0x00},
{0x01, 0x01},
{0x01, 0x01},
{0x01, 0x01},
{0x02, 0x00},
{0x02, 0x00},
{0x02, 0x00},
{0x02, 0x01},
{0x00, 0x05},
{0x03, 0x00},
{0x03, 0x00},
{0x03, 0x00},
{0x03, 0x01},
{0x03, 0x01},
{0x03, 0x01},
{0x03, 0x02},
{0x04, 0x00},
{0x04, 0x00},
{0x03, 0x03},
{0x04, 0x01},
{0x05, 0x00},
{0x05, 0x00},
{0x05, 0x00},
{0x05, 0x01},
{0x05, 0x01},
{0x05, 0x01},
{0x03, 0x06},
{0x06, 0x00},
{0x06, 0x00},
{0x06, 0x01},
{0x04, 0x05},
{0x07, 0x00},
{0x07, 0x00},
{0x07, 0x00},
{0x07, 0x01},
{0x07, 0x01},
{0x07, 0x01},
{0x07, 0x02},
{0x08, 0x00},
{0x08, 0x00},
{0x07, 0x03},
{0x08, 0x01},
{0x09, 0x00},
{0x09, 0x00},
{0x09, 0x00},
{0x09, 0x01},
{0x09, 0x01},
{0x09, 0x01},
{0x07, 0x06},
{0x0A, 0x00},
{0x0A, 0x00},
{0x0A, 0x01},
{0x08, 0x05},
{0x0B, 0x00},
{0x0B, 0x00},
{0x0B, 0x00},
{0x0B, 0x01},
{0x0B, 0x01},
{0x0B, 0x01},
{0x0B, 0x02},
{0x0C, 0x00},
{0x0C, 0x00},
{0x0B, 0x03},
{0x0C, 0x01},
{0x0D, 0x00},
{0x0D, 0x00},
{0x0D, 0x00},
{0x0D, 0x01},
{0x0D, 0x01},
{0x0D, 0x01},
{0x0B, 0x06},
{0x0E, 0x00},
{0x0E, 0x00},
{0x0E, 0x01},
{0x0C, 0x05},
{0x0F, 0x00},
{0x0F, 0x00},
{0x0F, 0x00},
{0x0F, 0x01},
{0x0F, 0x01},
{0x0F, 0x01},
{0x0F, 0x02},
{0x10, 0x00},
{0x10, 0x00},
{0x0F, 0x03},
{0x10, 0x01},
{0x11, 0x00},
{0x11, 0x00},
{0x11, 0x00},
{0x11, 0x01},
{0x11, 0x01},
{0x11, 0x01},
{0x0F, 0x06},
{0x12, 0x00},
{0x12, 0x00},
{0x12, 0x01},
{0x10, 0x05},
{0x13, 0x00},
{0x13, 0x00},
{0x13, 0x00},
{0x13, 0x01},
{0x13, 0x01},
{0x13, 0x01},
{0x13, 0x02},
{0x14, 0x00},
{0x14, 0x00},
{0x13, 0x03},
{0x14, 0x01},
{0x15, 0x00},
{0x15, 0x00},
{0x15, 0x00},
{0x15, 0x01},
{0x15, 0x01},
{0x15, 0x01},
{0x13, 0x06},
{0x16, 0x00},
{0x16, 0x00},
{0x16, 0x01},
{0x14, 0x05},
{0x17, 0x00},
{0x17, 0x00},
{0x17, 0x00},
{0x17, 0x01},
{0x17, 0x01},
{0x17, 0x01},
{0x17, 0x02},
{0x18, 0x00},
{0x18, 0x00},
{0x17, 0x03},
{0x18, 0x01},
{0x19, 0x00},
{0x19, 0x00},
{0x19, 0x00},
{0x19, 0x01},
{0x19, 0x01},
{0x19, 0x01},
{0x17, 0x06},
{0x1A, 0x00},
{0x1A, 0x00},
{0x1A, 0x01},
{0x18, 0x05},
{0x1B, 0x00},
{0x1B, 0x00},
{0x1B, 0x00},
{0x1B, 0x01},
{0x1B, 0x01},
{0x1B, 0x01},
{0x1B, 0x02},
{0x1C, 0x00},
{0x1C, 0x00},
{0x1B, 0x03},
{0x1C, 0x01},
{0x1D, 0x00},
{0x1D, 0x00},
{0x1D, 0x00},
{0x1D, 0x01},
{0x1D, 0x01},
{0x1D, 0x01},
{0x1B, 0x06},
{0x1E, 0x00},
{0x1E, 0x00},
{0x1E, 0x01},
{0x1C, 0x05},
{0x1F, 0x00},
{0x1F, 0x00},
{0x1F, 0x00},
{0x1F, 0x01},
{0x1F, 0x01},
{0x1F, 0x01},
{0x1F, 0x02},
{0x1E, 0x04},
{0x1F, 0x03},
{0x1F, 0x03},
{0x1C, 0x09},
{0x1F, 0x04},
{0x1F, 0x04},
{0x1F, 0x04},
{0x1F, 0x05},
{0x1F, 0x05},
{0x1F, 0x05},
{0x1F, 0x06},
{0x1E, 0x08},
{0x1F, 0x07},
{0x1F, 0x07},
{0x1C, 0x0D},
{0x1F, 0x08},
{0x1F, 0x08},
{0x1F, 0x08},
{0x1F, 0x09},
{0x1F, 0x09},
{0x1F, 0x09},
{0x1F, 0x0A},
{0x1E, 0x0C},
{0x1F, 0x0B},
{0x1F, 0x0B},
{0x1C, 0x11},
{0x1F, 0x0C},
{0x1F, 0x0C},
{0x1F, 0x0C},
{0x1F, 0x0D},
{0x1F, 0x0D},
{0x1F, 0x0D},
{0x1F, 0x0E},
{0x1E, 0x10},
{0x1F, 0x0F},
{0x1F, 0x0F},
{0x1C, 0x15},
{0x1F, 0x10},
{0x1F, 0x10},
{0x1F, 0x10},
{0x1F, 0x11},
{0x1F, 0x11},
{0x1F, 0x11},
{0x1F, 0x12},
{0x1E, 0x14},
{0x1F, 0x13},
{0x1F, 0x13},
{0x1C, 0x19},
{0x1F, 0x14},
{0x1F, 0x14},
{0x1F, 0x14},
{0x1F, 0x15},
{0x1F, 0x15},
{0x1F, 0x15},
{0x1F, 0x16},
{0x1E, 0x18},
{0x1F, 0x17},
{0x1F, 0x17},
{0x1C, 0x1D},
{0x1F, 0x18},
{0x1F, 0x18},
{0x1F, 0x18},
{0x1F, 0x19},
{0x1F, 0x19},
{0x1F, 0x19},
{0x1F, 0x1A},
{0x1E, 0x1C},
{0x1F, 0x1B},
{0x1F, 0x1B},
{0x1F, 0x1B},
{0x1F, 0x1C},
{0x1F, 0x1C},
{0x1F, 0x1C},
{0x1F, 0x1D},
{0x1F, 0x1D},
{0x1F, 0x1D},
{0x1F, 0x1E},
{0x1F, 0x1E},
{0x1F, 0x1F},
{0x1F, 0x1F},
};
const static uint8 OMatch6[256][2] =
{
{0x00, 0x00},
{0x00, 0x01},
{0x01, 0x00},
{0x01, 0x00},
{0x01, 0x01},
{0x02, 0x00},
{0x02, 0x00},
{0x02, 0x01},
{0x03, 0x00},
{0x03, 0x01},
{0x04, 0x00},
{0x04, 0x00},
{0x04, 0x01},
{0x05, 0x00},
{0x05, 0x00},
{0x05, 0x01},
{0x06, 0x00},
{0x06, 0x01},
{0x07, 0x00},
{0x07, 0x00},
{0x07, 0x01},
{0x08, 0x00},
{0x00, 0x10},
{0x08, 0x01},
{0x09, 0x00},
{0x09, 0x01},
{0x01, 0x11},
{0x0A, 0x00},
{0x0A, 0x01},
{0x0B, 0x00},
{0x03, 0x10},
{0x0B, 0x01},
{0x0C, 0x00},
{0x0C, 0x01},
{0x04, 0x11},
{0x0D, 0x00},
{0x0D, 0x01},
{0x0E, 0x00},
{0x06, 0x10},
{0x0E, 0x01},
{0x0F, 0x00},
{0x0F, 0x01},
{0x07, 0x11},
{0x10, 0x00},
{0x0F, 0x03},
{0x10, 0x01},
{0x11, 0x00},
{0x11, 0x01},
{0x0F, 0x06},
{0x12, 0x00},
{0x12, 0x01},
{0x13, 0x00},
{0x0F, 0x09},
{0x13, 0x01},
{0x14, 0x00},
{0x14, 0x01},
{0x0F, 0x0C},
{0x15, 0x00},
{0x15, 0x01},
{0x16, 0x00},
{0x0F, 0x0F},
{0x16, 0x01},
{0x17, 0x00},
{0x17, 0x01},
{0x0F, 0x12},
{0x18, 0x00},
{0x18, 0x01},
{0x19, 0x00},
{0x11, 0x10},
{0x19, 0x01},
{0x1A, 0x00},
{0x1A, 0x01},
{0x12, 0x11},
{0x1B, 0x00},
{0x1B, 0x01},
{0x1C, 0x00},
{0x14, 0x10},
{0x1C, 0x01},
{0x1D, 0x00},
{0x1D, 0x01},
{0x15, 0x11},
{0x1E, 0x00},
{0x1E, 0x01},
{0x1F, 0x00},
{0x17, 0x10},
{0x1F, 0x01},
{0x1F, 0x02},
{0x20, 0x00},
{0x20, 0x01},
{0x21, 0x00},
{0x1F, 0x05},
{0x21, 0x01},
{0x22, 0x00},
{0x22, 0x01},
{0x1F, 0x08},
{0x23, 0x00},
{0x23, 0x01},
{0x24, 0x00},
{0x1F, 0x0B},
{0x24, 0x01},
{0x25, 0x00},
{0x25, 0x01},
{0x1F, 0x0E},
{0x26, 0x00},
{0x26, 0x01},
{0x27, 0x00},
{0x1F, 0x11},
{0x27, 0x01},
{0x28, 0x00},
{0x28, 0x01},
{0x20, 0x11},
{0x29, 0x00},
{0x29, 0x01},
{0x2A, 0x00},
{0x22, 0x10},
{0x2A, 0x01},
{0x2B, 0x00},
{0x2B, 0x01},
{0x23, 0x11},
{0x2C, 0x00},
{0x2C, 0x01},
{0x2D, 0x00},
{0x25, 0x10},
{0x2D, 0x01},
{0x2E, 0x00},
{0x2E, 0x01},
{0x26, 0x11},
{0x2F, 0x00},
{0x2F, 0x01},
{0x2F, 0x02},
{0x30, 0x00},
{0x30, 0x01},
{0x2F, 0x04},
{0x31, 0x00},
{0x31, 0x01},
{0x32, 0x00},
{0x2F, 0x07},
{0x32, 0x01},
{0x33, 0x00},
{0x33, 0x01},
{0x2F, 0x0A},
{0x34, 0x00},
{0x34, 0x01},
{0x35, 0x00},
{0x2F, 0x0D},
{0x35, 0x01},
{0x36, 0x00},
{0x36, 0x01},
{0x2F, 0x10},
{0x37, 0x00},
{0x37, 0x01},
{0x38, 0x00},
{0x30, 0x10},
{0x38, 0x01},
{0x39, 0x00},
{0x39, 0x01},
{0x31, 0x11},
{0x3A, 0x00},
{0x3A, 0x01},
{0x3B, 0x00},
{0x33, 0x10},
{0x3B, 0x01},
{0x3C, 0x00},
{0x3C, 0x01},
{0x34, 0x11},
{0x3D, 0x00},
{0x3D, 0x01},
{0x3E, 0x00},
{0x36, 0x10},
{0x3E, 0x01},
{0x3F, 0x00},
{0x3F, 0x01},
{0x37, 0x11},
{0x3F, 0x02},
{0x3F, 0x03},
{0x3F, 0x04},
{0x39, 0x10},
{0x3F, 0x05},
{0x3F, 0x06},
{0x3F, 0x07},
{0x3A, 0x11},
{0x3F, 0x08},
{0x3F, 0x09},
{0x3F, 0x0A},
{0x3C, 0x10},
{0x3F, 0x0B},
{0x3F, 0x0C},
{0x3F, 0x0D},
{0x3D, 0x11},
{0x3F, 0x0E},
{0x3F, 0x0F},
{0x36, 0x21},
{0x3F, 0x10},
{0x3F, 0x11},
{0x3F, 0x12},
{0x38, 0x20},
{0x3F, 0x13},
{0x3F, 0x14},
{0x3F, 0x15},
{0x39, 0x21},
{0x3F, 0x16},
{0x3F, 0x17},
{0x3F, 0x18},
{0x3B, 0x20},
{0x3F, 0x19},
{0x3F, 0x1A},
{0x3F, 0x1B},
{0x3C, 0x21},
{0x3F, 0x1C},
{0x3F, 0x1D},
{0x3F, 0x1E},
{0x3E, 0x20},
{0x3F, 0x1F},
{0x3F, 0x20},
{0x37, 0x30},
{0x3F, 0x21},
{0x3F, 0x22},
{0x3F, 0x23},
{0x38, 0x31},
{0x3F, 0x24},
{0x3F, 0x25},
{0x3F, 0x26},
{0x3A, 0x30},
{0x3F, 0x27},
{0x3F, 0x28},
{0x3F, 0x29},
{0x3B, 0x31},
{0x3F, 0x2A},
{0x3F, 0x2B},
{0x3F, 0x2C},
{0x3D, 0x30},
{0x3F, 0x2D},
{0x3F, 0x2E},
{0x3F, 0x2F},
{0x3E, 0x31},
{0x3F, 0x30},
{0x3F, 0x31},
{0x3F, 0x31},
{0x3F, 0x32},
{0x3F, 0x33},
{0x3F, 0x34},
{0x3F, 0x34},
{0x3F, 0x35},
{0x3F, 0x36},
{0x3F, 0x37},
{0x3F, 0x37},
{0x3F, 0x38},
{0x3F, 0x39},
{0x3F, 0x3A},
{0x3F, 0x3A},
{0x3F, 0x3B},
{0x3F, 0x3C},
{0x3F, 0x3D},
{0x3F, 0x3D},
{0x3F, 0x3E},
{0x3F, 0x3F},
};
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