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Use dedicated max-of-three-elements function.

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This commit is contained in:
Bartosz Taudul 2020-06-11 13:45:04 +02:00
parent 2608ceca05
commit 2ab605d232
1 changed files with 16 additions and 4 deletions
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20
server/TracyTextureCompression.cpp
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@ -72,6 +72,18 @@ static constexpr uint8_t Dxtc4To3Table[256] = {
165, 164, 166, 166, 161, 160, 162, 162, 169, 168, 170, 170, 169, 168, 170, 170 165, 164, 166, 166, 161, 160, 162, 162, 169, 168, 170, 170, 169, 168, 170, 170
}; };
static tracy_force_inline int max3( int a, int b, int c )
{
if( a > b )
{
return a > c ? a : c;
}
else
{
return b > c ? b : c;
}
}
void TextureCompression::Rdo( char* data, size_t blocks ) void TextureCompression::Rdo( char* data, size_t blocks )
{ {
assert( blocks > 0 ); assert( blocks > 0 );
@ -110,8 +122,8 @@ void TextureCompression::Rdo( char* data, size_t blocks )
const int dg = abs( g0 - g1 ); const int dg = abs( g0 - g1 );
const int db = abs( b0 - b1 ); const int db = abs( b0 - b1 );
const int maxChan1 = std::max( { r0-1, g0, b0-2 } ); const int maxChan1 = max3( r0-1, g0, b0-2 );
const int maxDelta1 = std::max( { dr-1, dg, db-2 } ); const int maxDelta1 = max3( dr-1, dg, db-2 );
const int tr1a = 16; const int tr1a = 16;
const int tr1b = 45; const int tr1b = 45;
int tr1; int tr1;
@ -138,8 +150,8 @@ void TextureCompression::Rdo( char* data, size_t blocks )
} }
else else
{ {
const int maxChan23 = std::max( { r0-2, g0, b0-5 } ); const int maxChan23 = max3( r0-2, g0, b0-5 );
const int maxDelta23 = std::max( { dr-2, dg, db-5 } ); const int maxDelta23 = max3( dr-2, dg, db-5 );
const int tr2a = 32; const int tr2a = 32;
const int tr2b = 48; const int tr2b = 48;
int tr2 = 0; int tr2 = 0;