public void Load(uint address, uint mode, uint paletteCount)
{
// Format:
// 00 16-bit BGR 5650
// 01 16-bit ABGR 5551
// 10 16-bit ABGR 4444
// 11 32-bit ABGR 8888
_format = mode & 0x3;
_shift = ( int )((mode >> 2) & 0x1F);
_mask = (mode >> 8) & 0xFF;
_start = ((mode >> 16) & 0x1F) * 16; // ??
this.Pointer = address;
if (address == 0x0)
{
return;
}
byte *tablePointer = _driver.MemorySystem.Translate(address);
fixed(byte *p = &_table[0])
{
switch (_format)
{
case 0:
this.Checksum = ColorOperations.DecodeBGR5650(tablePointer, p, paletteCount * 16);
break;
case 1:
this.Checksum = ColorOperations.DecodeABGR5551(tablePointer, p, paletteCount * 16);
break;
case 2:
this.Checksum = ColorOperations.DecodeABGR4444(tablePointer, p, paletteCount * 16);
break;
case 3:
this.Checksum = ColorOperations.DecodeABGR8888(tablePointer, p, paletteCount * 8);
break;
}
// Checksum so that we can tell if it changed
//uint* cp = ( uint* )tablePointer;
//uint checksum = 0;
//for( int n = 0; n < ( entryCount * entryWidth ); n++ )
// checksum += *( cp++ );
//if( this.Checksum != checksum )
//{
// Checksums don't match! Invalidate all CLUT textures!
/*LLEntry<TextureEntry*>* e = context->TextureCache->GetEnumerator();
* while( e != NULL )
* {
* LLEntry<TextureEntry*>* next = e->Next;
* if( ( e->Value->PixelStorage & 0x4 ) == 0x4 )
* {
* // Check to see if it was from this clut
* if( e->Value->ClutPointer == context->ClutPointer )
* {
* // Kill it!
* GLuint freeIds[] = { e->Value->TextureID };
* glDeleteTextures( 1, freeIds );
* context->TextureCache->Remove( ( uint )e->Value->Address );
* }
* }
* e = next;
* }*/
//context->TextureCache->Clear();
//}
//this.Checksum = checksum;
}
}
