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479 lines
12 KiB
C++
479 lines
12 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "std3d.h"
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#include "nel/3d/fasthls_modifier.h"
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#include "nel/misc/fast_floor.h"
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#include "nel/misc/bitmap.h"
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#include "nel/misc/system_info.h"
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#include "nel/misc/algo.h"
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using namespace std;
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using namespace NLMISC;
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namespace NL3D
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{
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// ***************************************************************************
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CFastHLSModifier *CFastHLSModifier::_Instance= NULL;
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// ***************************************************************************
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void CFastHLSModifier::releaseInstance()
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{
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if( _Instance )
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{
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delete _Instance;
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_Instance = NULL;
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}
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}
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// ***************************************************************************
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CFastHLSModifier::CFastHLSModifier()
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{
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uint i;
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// build the HueTable.
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for(i=0;i<HueTableSize;i++)
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{
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_HueTable[i].buildFromHLS(360.0f*i/HueTableSize, 0.5f, 1);
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}
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// build conversion from uint16 to HLS.
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for(i=0;i<65536;i++)
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{
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CRGBA col;
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col.set565(i);
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float h,l,s;
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col.convertToHLS(h,l,s);
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h= (float)floor(255*(h/360.f)+0.5f);
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l= (float)floor(255*l+0.5f);
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s= (float)floor(255*s+0.5f);
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clamp(h,0,255);
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clamp(l,0,255);
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clamp(s,0,255);
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_Color16ToHLS[i].H= (uint8)h;
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_Color16ToHLS[i].L= (uint8)l;
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_Color16ToHLS[i].S= (uint8)s;
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_Color16ToHLS[i].A= 255;
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}
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}
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// ***************************************************************************
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CFastHLSModifier::~CFastHLSModifier()
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{
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}
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// ***************************************************************************
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CFastHLSModifier &CFastHLSModifier::getInstance()
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{
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if(!_Instance)
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_Instance= new CFastHLSModifier;
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return *_Instance;
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}
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// ***************************************************************************
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CRGBA CFastHLSModifier::convert(uint H, uint L, uint S)
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{
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static CRGBA gray(128,128,128);
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L+= L>>7;
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S+= S>>7;
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// H.
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CRGBA col= _HueTable[H];
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// S.
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col.blendFromuiRGBOnly(gray, col, S);
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// L.
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if(L<=128)
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{
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col.modulateFromuiRGBOnly(col, L*2);
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}
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else
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{
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col.blendFromuiRGBOnly(col, CRGBA::White, (L-128)*2 );
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}
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return col;
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}
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#if defined(NL_COMP_VC) && NL_COMP_VC_VERSION >= 71
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# pragma warning( push )
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# pragma warning( disable : 4799 )
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#endif
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#ifdef NL_OS_WINDOWS
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#pragma managed(push, off)
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#endif
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// ***************************************************************************
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uint16 CFastHLSModifier::applyHLSMod(uint16 colorIn, uint8 dHue, uint dLum, uint dSat)
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{
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static uint64 mmBlank = 0;
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static uint64 mmOne = INT64_CONSTANT(0x00FF00FF00FF00FF);
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static uint64 mmGray = INT64_CONSTANT(0x0080008000800080);
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static uint64 mmInterpBufer[4]= {0,0,0,INT64_CONSTANT(0x00FF00FF00FF00FF)};
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/*
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dLum is actually 0xFFFFFF00 + realDLum
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dSat is actually 0xFFFFFF00 + realDSat
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*/
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uint16 retVal;
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#if defined(NL_OS_WINDOWS) && !defined(NL_NO_ASM)
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if(CSystemInfo::hasMMX())
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{
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__asm
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{
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mov edi, offset mmInterpBufer
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mov ecx, this
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// get HLS in edx.
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mov eax, 0
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mov ebx, 0
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lea esi, [ecx]this._Color16ToHLS
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mov ax, colorIn
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mov edx, [esi+ eax*4]
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// apply dh to H (ie dl!). Auto-wrap.
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add dl, dHue
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// get the color into mm0
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mov bl, dl
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lea esi, [ecx]this._HueTable
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movd mm0, [esi+ ebx*4]
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punpcklbw mm0, mmBlank
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// get L into eax and S into ebx
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mov eax, edx
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mov ebx, edx
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shr eax, 8
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shr ebx, 16
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and eax, 255
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and ebx, 255
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// add dLum/dSat and clamp to 1.
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add eax, dLum
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sbb ecx, ecx // ecx= FFFFFFFF if carry.
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add ebx, dSat
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sbb edx, edx
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or eax, ecx // eax= FFFFFFFF if carry was set
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or ebx, edx
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// add Magic delta, and clamp to 0.
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add eax, 256
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sbb ecx, ecx // ecx= 0 if carry not set => result below 0.
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add ebx, 256
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sbb edx, edx
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and eax, ecx // eax= 0 if result was below 0
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and ebx, edx
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// Load Sat/(1-Sat) into MMX
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movd mm2, ebx
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movq mm3, mmOne
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punpckldq mm2, mm2 // mm2= 0000 00AA 0000 00AA
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packssdw mm2, mm2 // mm2= 00AA 00AA 00AA 00AA
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movq mm1, mmGray
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psubusw mm3, mm2 // mm3= 1-sat.
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// combine Color and Sat
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pmullw mm0, mm2 // mm0= color*sat
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pmullw mm1, mm3 // mm1= gray*(1-sat)
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paddusw mm0, mm1 // mm0= color saturated
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// shift and store into the buffer for Luminance interpolation
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psrlw mm0, 8
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movq [edi+ 8], mm0
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movq [edi+ 16], mm0
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// use edx as index for luminance: 0: L=0 to 127. 1: L=128 to 255.
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mov edx, eax
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shl eax, 1
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shr edx, 7
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and eax, 255 // 0-127 and 128-255 transform auto to 0-254
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// expand 0-254 to 0-255
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mov ecx, eax
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shl edx, 4
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shr ecx, 7
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add eax, ecx
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// Combine color and Luminance into MMX. interpolate 0->col or col->white according to edx.
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// Load Lum/(1-Lum) into MMX
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movd mm2, eax
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movq mm3, mmOne
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punpckldq mm2, mm2 // mm2= 0000 00AA 0000 00AA
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packssdw mm2, mm2 // mm2= 00AA 00AA 00AA 00AA
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psubusw mm3, mm2 // mm3= 1-lum.
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// Combine color and Sat into MMX
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movq mm0, [edi+ edx]
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movq mm1, [edi+ edx + 8]
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pmullw mm0, mm3 // mm0= color0*(1-lum)
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pmullw mm1, mm2 // mm1= color1*lum
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paddusw mm0, mm1 // mm0= final color
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// shift and unpack
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psrlw mm0, 8
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packuswb mm0, mm0
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movd eax, mm0
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// pack to 16bits.
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mov ebx, eax
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mov ecx, eax
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shl eax, 8 // Red
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shr ebx, 5 // Green
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shr ecx, 19 // Blue
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and eax, 0xF800
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and ebx, 0x07E0
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and ecx, 0x001F
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or eax, ebx
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or eax, ecx
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mov retVal, ax
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}
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}
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else
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#endif // NL_OS_WINDOWS
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{
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CHLSA hls= _Color16ToHLS[colorIn];
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// apply (C version) Dhue, dLum and dSat
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hls.H= uint8((hls.H + dHue) & 0xFF);
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sint v= (sint)hls.L + (sint)(dLum-0xFFFFFF00);
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fastClamp8(v);
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hls.L= v;
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v= (sint)hls.S + (sint)(dSat-0xFFFFFF00);
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fastClamp8(v);
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hls.S= v;
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CRGBA ret= convert(hls.H, hls.L, hls.S);
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retVal= ret.get565();
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}
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return retVal;
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}
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#ifdef NL_OS_WINDOWS
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#pragma managed(pop)
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#endif
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#if defined(NL_COMP_VC) && NL_COMP_VC_VERSION >= 71
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# pragma warning( pop )
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#endif
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// ***************************************************************************
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#ifdef NL_OS_WINDOWS
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#pragma managed(push, off)
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#endif
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void CFastHLSModifier::convertDDSBitmapDXTC1Or1A(CBitmap &dst, const CBitmap &src, uint8 dh, uint dLum, uint dSat)
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{
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uint W= src.getWidth();
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uint H= src.getHeight();
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const uint8 *srcPix= &(src.getPixels()[0]);
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uint8 *dstPix= &(dst.getPixels()[0]);
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uint numBlock= (W*H)/16;
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/*
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need to swap color and bits for DXTC1 or DXTC1A.
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*/
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static uint32 bitLUT[8]= {
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1,0,3,2, // reverse std order
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1,0,2,3, // reverse order for "special 0/black packing"
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};
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// Do not use alpha mask for now.
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for(;numBlock>0;numBlock--)
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{
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uint16 srcCol0= ((uint16*)srcPix)[0];
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uint16 srcCol1= ((uint16*)srcPix)[1];
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bool srcSign= srcCol0>srcCol1;
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// apply modifiers for 2 colors.
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uint16 dstCol0= applyHLSMod(srcCol0, dh,dLum,dSat);
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uint16 dstCol1= applyHLSMod(srcCol1, dh,dLum,dSat);
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bool dstSign= dstCol0>dstCol1;
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if((uint)dstSign!=(uint)srcSign)
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{
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swap(dstCol0,dstCol1);
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// must change bits too!
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uint32 srcBits= ((uint32*)srcPix)[1];
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uint32 dstBits= 0;
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// take correct lut according to original sign
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uint32 *lut;
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if(srcCol0>srcCol1)
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lut= bitLUT;
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else
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lut= bitLUT+4;
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// for all bits, transpose with lut.
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#if defined(NL_OS_WINDOWS) && !defined(NL_NO_ASM)
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__asm
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{
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mov eax, srcBits
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mov esi, lut
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mov edx, 0
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mov ecx, 16
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// prepare 1st.
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rol eax, 2
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mov ebx, eax
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and ebx, 2
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// do it 16 times.
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myLoop:
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or edx, [esi+ebx*4]
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rol eax, 2
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rol edx, 2
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mov ebx, eax
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and ebx, 2
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dec ecx
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jnz myLoop
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ror edx, 2
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mov dstBits, edx
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}
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#else
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for(uint n=16;n>0;n--)
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{
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// transform the id.
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uint id= srcBits&3;
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id= lut[id];
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// write.
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dstBits|= id<<30;
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// don't decal last
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if(n>1)
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dstBits>>=2;
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}
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#endif
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// store
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((uint32*)dstPix)[1]= dstBits;
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}
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else
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// just copy bits
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((uint32*)dstPix)[1]= ((uint32*)srcPix)[3];
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((uint16*)dstPix)[0]= dstCol0;
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((uint16*)dstPix)[1]= dstCol1;
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// skip.
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srcPix+= 8;
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dstPix+= 8;
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}
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// Must end MMX, for applyHLSMod()
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#if defined(NL_OS_WINDOWS) && !defined(NL_NO_ASM)
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if(CSystemInfo::hasMMX())
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_asm emms;
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#endif
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}
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#ifdef NL_OS_WINDOWS
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#pragma managed(pop)
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#endif
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// ***************************************************************************
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#ifdef NL_OS_WINDOWS
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#pragma managed(push, off)
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#endif
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void CFastHLSModifier::convertDDSBitmapDXTC3Or5(CBitmap &dst, const CBitmap &src, uint8 dh, uint dLum, uint dSat)
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{
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uint W= src.getWidth();
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uint H= src.getHeight();
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const uint8 *srcPix= &(src.getPixels()[0]);
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uint8 *dstPix= &(dst.getPixels()[0]);
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uint numBlock= (W*H)/16;
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/*
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NB: don't need to swap color and bits for DXTC3 or DXTC5.
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*/
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// Do not use alpha mask for now.
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for(;numBlock>0;numBlock--)
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{
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uint16 srcCol0= ((uint16*)srcPix)[4];
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uint16 srcCol1= ((uint16*)srcPix)[5];
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// apply modifiers for 2 colors.
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((uint16*)dstPix)[4]= applyHLSMod(srcCol0, dh,dLum,dSat);
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((uint16*)dstPix)[5]= applyHLSMod(srcCol1, dh,dLum,dSat);
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// just copy bits
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((uint32*)dstPix)[3]= ((uint32*)srcPix)[3];
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// copy alpha part.
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((uint32*)dstPix)[0]= ((uint32*)srcPix)[0];
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((uint32*)dstPix)[1]= ((uint32*)srcPix)[1];
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// skip bits and alpha part.
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srcPix+= 16;
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dstPix+= 16;
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}
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// Must end MMX, for applyHLSMod()
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#if defined(NL_OS_WINDOWS) && !defined(NL_NO_ASM)
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if(CSystemInfo::hasMMX())
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_asm emms;
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#endif
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}
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#ifdef NL_OS_WINDOWS
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#pragma managed(pop)
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#endif
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// ***************************************************************************
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void CFastHLSModifier::convertDDSBitmap(CBitmap &dst, const CBitmap &src, uint8 dh, sint dl, sint ds)
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{
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nlassert(src.getPixelFormat()==dst.getPixelFormat());
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nlassert(src.getWidth()==dst.getWidth() && src.getHeight()==dst.getHeight());
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// Magic add clamp.
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uint dLum= 0xFFFFFF00 + dl;
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uint dSat= 0xFFFFFF00 + ds;
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if(src.getPixelFormat()==CBitmap::DXTC1 || src.getPixelFormat()==CBitmap::DXTC1Alpha)
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convertDDSBitmapDXTC1Or1A(dst, src, dh, dLum, dSat);
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else if(src.getPixelFormat()==CBitmap::DXTC3 || src.getPixelFormat()==CBitmap::DXTC5)
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convertDDSBitmapDXTC3Or5(dst, src, dh, dLum, dSat);
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else
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{
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nlstop;
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}
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}
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// ***************************************************************************
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void CFastHLSModifier::convertRGBABitmap(CBitmap &dst, const CBitmap &src, uint8 dh, sint dl, sint ds)
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{
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nlassert(src.getPixelFormat()==dst.getPixelFormat());
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nlassert(src.getPixelFormat()==CBitmap::RGBA);
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uint W= src.getWidth();
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uint H= src.getHeight();
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const CRGBA *srcPix= (const CRGBA*)&(src.getPixels()[0]);
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CRGBA *dstPix= (CRGBA*)&(dst.getPixels()[0]);
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uint numPix= W*H;
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// Do not use alpha mask for now.
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for(;numPix>0;numPix--)
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{
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float H,L,S;
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srcPix->convertToHLS(H,L,S);
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H*= 256.f/360.f;
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L*= 255.f;
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S*= 255.f;
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H+= dh+0.5f;
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L+= dl+0.5f;
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S+= ds+0.5f;
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clamp(H, 0, 255);
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clamp(L, 0, 255);
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clamp(S, 0, 255);
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uint8 H8= (uint8)NLMISC::OptFastFloor(H);
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uint8 L8= (uint8)NLMISC::OptFastFloor(L);
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uint8 S8= (uint8)NLMISC::OptFastFloor(S);
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*dstPix= convert(H8, L8, S8);
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srcPix++;
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dstPix++;
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}
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}
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} // NL3D
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