mirror of
https://github.com/wolfpld/tracy.git
synced 2024-11-10 02:31:48 +00:00
Move RDO threshold logic to tables.
This commit is contained in:
parent
2ab605d232
commit
3992eb0542
24
extra/rdotbl.c
Normal file
24
extra/rdotbl.c
Normal file
@ -0,0 +1,24 @@
|
||||
#include <stdio.h>
|
||||
|
||||
int main()
|
||||
{
|
||||
//int a = 16, b = 44, s = 4;
|
||||
//int av = 12, bv = 6, cv = 3;
|
||||
|
||||
//int a = 32, b = 48, s = 16;
|
||||
//int av = 12, bv = 6, cv = 3;
|
||||
|
||||
int a = 48, b = 64, s = 16;
|
||||
int av = 48, bv = 32, cv = 24;
|
||||
|
||||
printf( "int TrTbl[] = { " );
|
||||
int first = 1;
|
||||
for( int i=0; i<256; i+=s )
|
||||
{
|
||||
if( first ) first = 0; else printf( ", " );
|
||||
if( i < a ) printf( "%i", av );
|
||||
else if( i < b ) printf( "%i", bv );
|
||||
else printf( "%i", cv );
|
||||
}
|
||||
printf( " };\n" );
|
||||
}
|
@ -84,6 +84,10 @@ static tracy_force_inline int max3( int a, int b, int c )
|
||||
}
|
||||
}
|
||||
|
||||
static constexpr int TrTbl1[] = { 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 };
|
||||
static constexpr int TrTbl2[] = { 12, 12, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 };
|
||||
static constexpr int TrTbl3[] = { 48, 48, 48, 32, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24 };
|
||||
|
||||
void TextureCompression::Rdo( char* data, size_t blocks )
|
||||
{
|
||||
assert( blocks > 0 );
|
||||
@ -124,22 +128,7 @@ void TextureCompression::Rdo( char* data, size_t blocks )
|
||||
|
||||
const int maxChan1 = max3( r0-1, g0, b0-2 );
|
||||
const int maxDelta1 = max3( dr-1, dg, db-2 );
|
||||
const int tr1a = 16;
|
||||
const int tr1b = 45;
|
||||
int tr1;
|
||||
if( maxChan1 < tr1a )
|
||||
{
|
||||
tr1 = 12;
|
||||
}
|
||||
else if( maxChan1 < tr1b )
|
||||
{
|
||||
tr1 = 6;
|
||||
}
|
||||
else
|
||||
{
|
||||
tr1 = 3;
|
||||
}
|
||||
|
||||
const int tr1 = TrTbl1[maxChan1 / 4];
|
||||
if( maxDelta1 <= tr1 )
|
||||
{
|
||||
uint64_t blk =
|
||||
@ -152,22 +141,7 @@ void TextureCompression::Rdo( char* data, size_t blocks )
|
||||
{
|
||||
const int maxChan23 = max3( r0-2, g0, b0-5 );
|
||||
const int maxDelta23 = max3( dr-2, dg, db-5 );
|
||||
const int tr2a = 32;
|
||||
const int tr2b = 48;
|
||||
int tr2 = 0;
|
||||
if( maxChan23 < tr2a )
|
||||
{
|
||||
tr2 = 12;
|
||||
}
|
||||
else if( maxChan23 < tr2b )
|
||||
{
|
||||
tr2 = 6;
|
||||
}
|
||||
else
|
||||
{
|
||||
tr2 = 3;
|
||||
}
|
||||
|
||||
const int tr2 = TrTbl2[maxChan23 / 16];
|
||||
if( maxDelta23 <= tr2 )
|
||||
{
|
||||
idx &= 0x55555555;
|
||||
@ -175,22 +149,7 @@ void TextureCompression::Rdo( char* data, size_t blocks )
|
||||
}
|
||||
else
|
||||
{
|
||||
const int tr3a = 48;
|
||||
const int tr3b = 64;
|
||||
int tr3;
|
||||
if( maxChan23 < tr3a )
|
||||
{
|
||||
tr3 = 48;
|
||||
}
|
||||
else if( maxChan23 < tr3b )
|
||||
{
|
||||
tr3 = 32;
|
||||
}
|
||||
else
|
||||
{
|
||||
tr3 = 24;
|
||||
}
|
||||
|
||||
const int tr3 = TrTbl3[maxChan23 / 16];
|
||||
if( maxDelta23 <= tr3 )
|
||||
{
|
||||
uint64_t c = c1 | ( uint64_t( c0 ) << 16 );
|
||||
|
Loading…
Reference in New Issue
Block a user