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<hr><h1>rgba.cpp</h1><a href="rgba_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025
00026 <font class="preprocessor">#include "<a class="code" href="stdmisc_8h.html">stdmisc.h</a>"</font>
00027
00028 <font class="preprocessor">#include "<a class="code" href="rgba_8h.html">nel/misc/rgba.h</a>"</font>
00029 <font class="preprocessor">#include "<a class="code" href="stream_8h.html">nel/misc/stream.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="system__info_8h.html">nel/misc/system_info.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="common_8h.html">nel/misc/common.h</a>"</font>
00032
00033
00034 <font class="keyword">namespace </font>NLMISC {
00035
00036
00037 <font class="comment">//#define DISABLE_MMX_OPTIM</font>
00038
00039 <font class="comment">// ***************************************************************************</font>
00040 <font class="comment">// ***************************************************************************</font>
00041 <font class="comment">// CRGBA</font>
00042 <font class="comment">// ***************************************************************************</font>
00043 <font class="comment">// ***************************************************************************</font>
00044
00045 <font class="comment">// predifined colors</font>
00046
00048 <font class="keyword">const</font> CRGBA CRGBA::Black(0, 0, 0) ;
00049 <font class="keyword">const</font> CRGBA CRGBA::Red(255, 0, 0) ;
00050 <font class="keyword">const</font> CRGBA CRGBA::Green(0, 255, 0) ;
00051 <font class="keyword">const</font> CRGBA CRGBA::Yellow(255, 255, 0) ;
00052 <font class="keyword">const</font> CRGBA CRGBA::Blue(0, 0, 255) ;
00053 <font class="keyword">const</font> CRGBA CRGBA::Magenta(255, 0, 255) ;
00054 <font class="keyword">const</font> CRGBA CRGBA::Cyan(0, 255, 255) ;
00055 <font class="keyword">const</font> CRGBA CRGBA::White(255, 255, 255) ;
00056
00057 <font class="comment">// ***************************************************************************</font>
<a name="l00058"></a><a class="code" href="classNLMISC_1_1CRGBA.html#a6">00058</a> <font class="keywordtype">void</font> CRGBA::serial(<font class="keyword">class</font> <a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &f)
00059 {
00060 f.serial (<a class="code" href="classNLMISC_1_1CRGBA.html#m0">R</a>);
00061 f.serial (<a class="code" href="classNLMISC_1_1CRGBA.html#m1">G</a>);
00062 f.serial (<a class="code" href="classNLMISC_1_1CRGBA.html#m2">B</a>);
00063 f.serial (<a class="code" href="classNLMISC_1_1CRGBA.html#m3">A</a>);
00064 }
00065 <font class="comment">// ***************************************************************************</font>
<a name="l00066"></a><a class="code" href="classNLMISC_1_1CRGBA.html#a10">00066</a> <font class="keywordtype">void</font> CRGBA::set(uint8 <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>, uint8 g, uint8 b, uint8 a)
00067 {
00068 <a class="code" href="classNLMISC_1_1CRGBA.html#m0">R</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>;
00069 <a class="code" href="classNLMISC_1_1CRGBA.html#m1">G</a> = g;
00070 <a class="code" href="classNLMISC_1_1CRGBA.html#m2">B</a> = b;
00071 <a class="code" href="classNLMISC_1_1CRGBA.html#m3">A</a> = a;
00072 }
00073
00074 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
00075 <font class="preprocessor"></font><font class="preprocessor"> #pragma warning(disable : 4731) </font><font class="comment">/* frame pointer register 'ebp' modified by inline assembly code */</font>
00076 <font class="preprocessor">#endif</font>
00077 <font class="preprocessor"></font>
00078 <font class="comment">// ***************************************************************************</font>
<a name="l00079"></a><a class="code" href="classNLMISC_1_1CRGBA.html#z322_0">00079</a> <font class="keywordtype">void</font> CRGBA::addColors(CRGBA *dest, <font class="keyword">const</font> CRGBA *src1, <font class="keyword">const</font> CRGBA *src2, uint numColors, uint srcStride, uint destStride, uint dup)
00080 {
00081 <font class="keywordflow">if</font> (numColors == 0) <font class="keywordflow">return</font>;
00082 <font class="preprocessor"> #if defined(NL_OS_WINDOWS) && !defined(DISABLE_MMX_OPTIM)</font>
00083 <font class="preprocessor"></font> <font class="keywordflow">if</font> (!CSystemInfo::hasMMX())
00084 <font class="preprocessor"> #endif</font>
00085 <font class="preprocessor"></font> { <font class="comment">// unoptimized version</font>
00086 <font class="keywordflow">if</font> (dup == 1)
00087 {
00088 <font class="keywordflow">while</font> (numColors--)
00089 {
00090 dest->add(*src1, *src2);
00091 dest = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride);
00092 src1 = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) src1 + srcStride);
00093 src2 = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) src2 + srcStride);
00094 }
00095 }
00096 <font class="keywordflow">else</font>
00097 {
00098 <font class="keywordflow">if</font> (dup == 4) <font class="comment">// optimisation for the 4 case</font>
00099 {
00100 <font class="keywordflow">while</font> (numColors--)
00101 {
00102 dest->add(*src1, *src2);
00103 * (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride) = *dest;
00104 dest = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride);
00105 * (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride) = *dest;
00106 dest = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride);
00107 * (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride) = *dest;
00108 dest = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + (destStride << 1));
00109
00110 src1 = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) src1 + srcStride);
00111 src2 = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) src2 + srcStride);
00112 }
00113 }
00114 <font class="keywordflow">else</font>
00115 {
00116 <font class="keywordflow">while</font> (numColors--)
00117 {
00118 dest->add(*src1, *src2);
00119
00120 uint k = dup - 1;
00121 <font class="keywordflow">do</font>
00122 {
00123 * (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride) = *dest;
00124 dest = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride);
00125 }
00126 <font class="keywordflow">while</font> (--k);
00127
00128 dest = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride);
00129 src1 = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) src1 + srcStride);
00130 src2 = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) src2 + srcStride);
00131 }
00132 }
00133 }
00134 }
00135 <font class="preprocessor"> #if defined(NL_OS_WINDOWS) && !defined(DISABLE_MMX_OPTIM)</font>
00136 <font class="preprocessor"></font> <font class="keywordflow">else</font> <font class="comment">// optimized mmx version</font>
00137 {
00139 <font class="keywordflow">if</font> (dup == 1)
00140 {
00141 __asm
00142 {
00143 push ebp
00144 mov edi, dest
00145 mov esi, src1
00146 mov ebx, src2
00147 <a class="code" href="classNLMISC_1_1CRGBA.html#a16">sub</a> ebx, esi ; <a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a> to source 2
00148 mov ecx, numColors
00149 mov edx, destStride
00150 mov ebp, srcStride
00151 <a class="code" href="classNLMISC_1_1CRGBA.html#a16">sub</a> edi, edx
00152 myLoop:
00153 movd mm0, [esi]
00154 <a class="code" href="classNLMISC_1_1CRGBA.html#a15">add</a> edi, edx
00155 movd mm1, [esi + ebx]
00156 paddusb mm0, mm1
00157 movd [edi], mm0
00158 <a class="code" href="classNLMISC_1_1CRGBA.html#a15">add</a> esi, ebp
00159 dec ecx
00160 jne myLoop
00161 pop ebp
00162 emms
00163 }
00164 }
00165 <font class="keywordflow">else</font>
00166 {
00167 <font class="keywordflow">if</font> (dup == 4)
00168 {
00169 __asm
00170 {
00171 push ebp
00172 mov edi, dest
00173 mov esi, src1
00174 mov ebx, src2
00175 <a class="code" href="classNLMISC_1_1CRGBA.html#a16">sub</a> ebx, esi ; <a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a> to source 2
00176 mov ecx, numColors
00177 mov edx, destStride
00178 mov ebp, srcStride
00179 myLoop4:
00180 movd mm0, [esi]
00181 movd mm1, [esi + ebx]
00182 paddusb mm0, mm1
00183 movd eax, mm0
00184
00185 mov [edi], eax
00186 mov [edi + edx], eax
00187 mov [edi + 2 * edx], eax
00188 lea edi, [edi + edx * 2]
00189 mov [edi + edx], eax
00190 lea edi, [edi + edx * 2]
00191 <a class="code" href="classNLMISC_1_1CRGBA.html#a15">add</a> esi, ebp
00192
00193 dec ecx
00194 jne myLoop4
00195 pop ebp
00196 emms
00197 }
00198 }
00199 <font class="keywordflow">else</font>
00200 {
00201 __asm
00202 {
00203 push ebp
00204 mov edi, dest
00205 mov esi, src1
00206 mov ebx, src2
00207 <a class="code" href="classNLMISC_1_1CRGBA.html#a16">sub</a> ebx, esi ; <a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a> to source 2
00208 mov ecx, numColors
00209 mov edx, destStride
00210 mov eax, dup
00211 mov ebp, srcStride
00212 push eax
00213 myLoopN:
00214 movd mm0, [esi]
00215 movd mm1, [esi + ebx]
00216 push ecx
00217 paddusb mm0, mm1
00218 mov ecx, 4[esp]
00219 movd eax, mm0
00220 dupLoopN:
00221 mov [edi], eax
00222 dec ecx
00223 lea edi, [edi + edx]
00224 jne dupLoopN
00225 pop ecx ; get back the loop counter
00226 <a class="code" href="classNLMISC_1_1CRGBA.html#a15">add</a> esi, ebp
00227 dec ecx
00228 jne myLoopN
00229 pop eax
00230 pop ebp
00231 emms
00232 }
00233 }
00234 }
00235 }
00236 <font class="preprocessor"> #endif</font>
00237 <font class="preprocessor"></font>}
00238 <font class="comment">// ***************************************************************************</font>
<a name="l00239"></a><a class="code" href="classNLMISC_1_1CRGBA.html#z322_1">00239</a> <font class="keywordtype">void</font> CRGBA::modulateColors(CRGBA *dest, <font class="keyword">const</font> CRGBA *src1, <font class="keyword">const</font> CRGBA *src2, uint numColors, uint srcStride, uint destStride, uint dup)
00240 {
00241 <font class="preprocessor"> #if defined(NL_OS_WINDOWS) && !defined(DISABLE_MMX_OPTIM)</font>
00242 <font class="preprocessor"></font> <font class="keywordflow">if</font> (!CSystemInfo::hasMMX())
00243 <font class="preprocessor"> #endif</font>
00244 <font class="preprocessor"></font> { <font class="comment">// unoptimized version</font>
00245 <font class="keywordflow">if</font> (dup == 1)
00246 {
00247 <font class="keywordflow">while</font> (numColors--)
00248 {
00249 dest->modulateFromColor(*src1, *src2);
00250 dest = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride);
00251 src1 = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) src1 + srcStride);
00252 src2 = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) src2 + srcStride);
00253 }
00254 }
00255 <font class="keywordflow">else</font>
00256 {
00257 <font class="keywordflow">if</font> (dup == 4) <font class="comment">// optimisation for the 4 case</font>
00258 {
00259 <font class="keywordflow">while</font> (numColors--)
00260 {
00261 dest->modulateFromColor(*src1, *src2);
00262 * (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride) = *dest;
00263 dest = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride);
00264 * (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride) = *dest;
00265 dest = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride);
00266 * (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride) = *dest;
00267 dest = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + (destStride << 1));
00268
00269 src1 = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) src1 + srcStride);
00270 src2 = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) src2 + srcStride);
00271 }
00272 }
00273 <font class="keywordflow">else</font>
00274 {
00275 <font class="keywordflow">while</font> (numColors--)
00276 {
00277 dest->modulateFromColor(*src1, *src2);
00278
00279 uint k = dup - 1;
00280 <font class="keywordflow">do</font>
00281 {
00282 * (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride) = *dest;
00283 dest = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride);
00284 }
00285 <font class="keywordflow">while</font> (--k);
00286
00287 dest = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride);
00288 src1 = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) src1 + srcStride);
00289 src2 = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) src2 + srcStride);
00290 }
00291 }
00292 }
00293 }
00294 <font class="preprocessor"> #if defined(NL_OS_WINDOWS) && !defined(DISABLE_MMX_OPTIM)</font>
00295 <font class="preprocessor"></font> <font class="keywordflow">else</font> <font class="comment">// optimized mmx version</font>
00296 {
00297 uint64 blank = 0;
00299 <font class="keywordflow">if</font> (dup == 1)
00300 { __asm
00301 {
00302 push ebp
00303 movq mm2, blank
00304 mov edi, dest
00305 mov esi, src1
00306 mov ebx, src2
00307 <a class="code" href="classNLMISC_1_1CRGBA.html#a16">sub</a> ebx, esi ; <a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a> to source 2
00308 mov ecx, numColors
00309 mov edx, destStride
00310 mov ebp, srcStride
00311 myLoop:
00312 movd mm0, [esi]
00313 movd mm1, [esi + ebx]
00314 punpcklbw mm0, mm2
00315 punpcklbw mm1, mm2
00316 pmullw mm0, mm1
00317 psrlw mm0, 8
00318 packuswb mm0, mm0
00319 movd [edi], mm0
00320 <a class="code" href="classNLMISC_1_1CRGBA.html#a15">add</a> edi, edx
00321 <a class="code" href="classNLMISC_1_1CRGBA.html#a15">add</a> esi, ebp
00322
00323 dec ecx
00324 jne myLoop
00325 pop ebp
00326 emms
00327 }
00328 }
00329 <font class="keywordflow">else</font>
00330 {
00331 <font class="keywordflow">if</font> (dup == 4)
00332 {
00333
00334 __asm
00335 {
00336 push ebp
00337 movq mm2, blank
00338 mov edi, dest
00339 mov esi, src1
00340 mov ebx, src2
00341 <a class="code" href="classNLMISC_1_1CRGBA.html#a16">sub</a> ebx, esi ; <a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a> to source 2
00342 mov ecx, numColors
00343 mov edx, destStride
00344 mov ebp, srcStride
00345 myLoop4:
00346 movd mm0, [esi]
00347 movd mm1, [esi + ebx]
00348 punpcklbw mm0, mm2
00349 punpcklbw mm1, mm2
00350 pmullw mm0, mm1
00351 psrlw mm0, 8
00352 packuswb mm0, mm0
00353 movd eax, mm0
00354 ; duplicate the result 4 times
00355 mov [edi], eax
00356 mov [edi + edx], eax
00357 mov [edi + 2 * edx], eax
00358 lea edi, [edi + 2 * edx]
00359 mov [edi + edx], eax
00360 lea edi, [edi + 2 * edx]
00361 <a class="code" href="classNLMISC_1_1CRGBA.html#a15">add</a> esi, ebp
00362 dec ecx
00363 jne myLoop4
00364 pop ebp
00365 emms
00366 }
00367 }
00368 <font class="keywordflow">else</font>
00369 {
00370 __asm
00371 {
00372 push ebp
00373 mov edi, dest
00374 mov esi, src1
00375 mov ebx, src2
00376 <a class="code" href="classNLMISC_1_1CRGBA.html#a16">sub</a> ebx, esi ; <a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a> to source 2
00377 mov ecx, numColors
00378 mov edx, destStride
00379 mov eax, dup
00380 mov ebp, srcStride
00381 push eax
00382 myLoopN:
00383 movd mm0, [esi]
00384 movd mm1, [esi + ebx]
00385 punpcklbw mm0, mm2
00386 punpcklbw mm1, mm2
00387 pmullw mm0, mm1
00388 push ecx
00389 psrlw mm0, 8
00390 mov ecx, 4[esp]
00391 packuswb mm0, mm0
00392 movd eax, mm0
00393 dupLoopN:
00394 mov [edi], eax
00395 dec ecx
00396 lea edi, [edi + edx]
00397 jne dupLoopN
00398 pop ecx ; get back the loop counter
00399 <a class="code" href="classNLMISC_1_1CRGBA.html#a15">add</a> esi, ebp
00400 dec ecx
00401 jne myLoopN
00402 pop eax
00403 pop ebp
00404 emms
00405 }
00406 }
00407 }
00408 }
00409 <font class="preprocessor"> #endif</font>
00410 <font class="preprocessor"></font>}
00411 <font class="comment">// ***************************************************************************</font>
<a name="l00412"></a><a class="code" href="classNLMISC_1_1CRGBA.html#z322_2">00412</a> <font class="keywordtype">void</font> CRGBA::subtractColors(CRGBA *dest, <font class="keyword">const</font> CRGBA *src1, <font class="keyword">const</font> CRGBA *src2, uint numColors, uint srcStride, uint destStride, uint dup)
00413 {
00414 <font class="keywordflow">if</font> (numColors == 0) <font class="keywordflow">return</font>;
00415 <font class="preprocessor"> #if defined(NL_OS_WINDOWS) && !defined(DISABLE_MMX_OPTIM)</font>
00416 <font class="preprocessor"></font> <font class="keywordflow">if</font> (!CSystemInfo::hasMMX())
00417 <font class="preprocessor"> #endif</font>
00418 <font class="preprocessor"></font> { <font class="comment">// unoptimized version</font>
00419 <font class="keywordflow">if</font> (dup == 1)
00420 {
00421 <font class="keywordflow">while</font> (numColors--)
00422 {
00423 dest->sub(*src1, *src2);
00424 dest = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride);
00425 src1 = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) src1 + srcStride);
00426 src2 = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) src2 + srcStride);
00427 }
00428 }
00429 <font class="keywordflow">else</font>
00430 {
00431 <font class="keywordflow">if</font> (dup == 4) <font class="comment">// optimisation for the 4 case</font>
00432 {
00433 <font class="keywordflow">while</font> (numColors--)
00434 {
00435 dest->sub(*src1, *src2);
00436 * (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride) = *dest;
00437 dest = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride);
00438 * (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride) = *dest;
00439 dest = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride);
00440 * (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride) = *dest;
00441 dest = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + (destStride << 1));
00442
00443 src1 = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) src1 + srcStride);
00444 src2 = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) src2 + srcStride);
00445 }
00446 }
00447 <font class="keywordflow">else</font>
00448 {
00449 <font class="keywordflow">while</font> (numColors--)
00450 {
00451 dest->sub(*src1, *src2);
00452
00453 uint k = dup - 1;
00454 <font class="keywordflow">do</font>
00455 {
00456 * (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride) = *dest;
00457 dest = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride);
00458 }
00459 <font class="keywordflow">while</font> (--k);
00460
00461 dest = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) dest + destStride);
00462 src1 = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) src1 + srcStride);
00463 src2 = (<a class="code" href="classNLMISC_1_1CRGBA.html#a0">CRGBA</a> *) ((uint8 *) src2 + srcStride);
00464 }
00465 }
00466 }
00467 }
00468 <font class="preprocessor"> #if defined(NL_OS_WINDOWS) && !defined(DISABLE_MMX_OPTIM)</font>
00469 <font class="preprocessor"></font> <font class="keywordflow">else</font> <font class="comment">// optimized mmx version</font>
00470 {
00472 <font class="keywordflow">if</font> (dup == 1)
00473 {
00474 __asm
00475 {
00476 push ebp
00477 mov edi, dest
00478 mov esi, src1
00479 mov ebx, src2
00480 <a class="code" href="classNLMISC_1_1CRGBA.html#a16">sub</a> ebx, esi ; <a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a> to source 2
00481 mov ecx, numColors
00482 mov edx, destStride
00483 mov ebp, srcStride
00484 <a class="code" href="classNLMISC_1_1CRGBA.html#a16">sub</a> edi, edx
00485 myLoop:
00486 movd mm0, [esi]
00487 <a class="code" href="classNLMISC_1_1CRGBA.html#a15">add</a> edi, edx
00488 movd mm1, [esi + ebx]
00489 psubusb mm0, mm1
00490 movd [edi], mm0
00491 <a class="code" href="classNLMISC_1_1CRGBA.html#a15">add</a> esi, ebp
00492 dec ecx
00493 jne myLoop
00494 pop ebp
00495 emms
00496 }
00497 }
00498 <font class="keywordflow">else</font>
00499 {
00500 <font class="keywordflow">if</font> (dup == 4)
00501 {
00502 __asm
00503 {
00504 push ebp
00505 mov edi, dest
00506 mov esi, src1
00507 mov ebx, src2
00508 <a class="code" href="classNLMISC_1_1CRGBA.html#a16">sub</a> ebx, esi ; <a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a> to source 2
00509 mov ecx, numColors
00510 mov edx, destStride
00511 mov ebp, srcStride
00512 myLoop4:
00513 movd mm0, [esi]
00514 movd mm1, [esi + ebx]
00515 psubusb mm0, mm1
00516 movd eax, mm0
00517
00518 mov [edi], eax
00519 mov [edi + edx], eax
00520 mov [edi + 2 * edx], eax
00521 lea edi, [edi + edx * 2]
00522 mov [edi + edx], eax
00523 lea edi, [edi + edx * 2]
00524 <a class="code" href="classNLMISC_1_1CRGBA.html#a15">add</a> esi, ebp
00525
00526 dec ecx
00527 jne myLoop4
00528 pop ebp
00529 emms
00530 }
00531 }
00532 <font class="keywordflow">else</font>
00533 {
00534 __asm
00535 {
00536 push ebp
00537 mov edi, dest
00538 mov esi, src1
00539 mov ebx, src2
00540 <a class="code" href="classNLMISC_1_1CRGBA.html#a16">sub</a> ebx, esi ; <a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a> to source 2
00541 mov ecx, numColors
00542 mov edx, destStride
00543 mov eax, dup
00544 mov ebp, srcStride
00545 push eax
00546 myLoopN:
00547 movd mm0, [esi]
00548 movd mm1, [esi + ebx]
00549 push ecx
00550 psubusb mm0, mm1
00551 mov ecx, 4[esp]
00552 movd eax, mm0
00553 dupLoopN:
00554 mov [edi], eax
00555 dec ecx
00556 lea edi, [edi + edx]
00557 jne dupLoopN
00558 pop ecx ; get back the loop counter
00559 <a class="code" href="classNLMISC_1_1CRGBA.html#a15">add</a> esi, ebp
00560 dec ecx
00561 jne myLoopN
00562 pop eax
00563 pop ebp
00564 emms
00565 }
00566 }
00567 }
00568 }
00569 <font class="preprocessor"> #endif</font>
00570 <font class="preprocessor"></font>}
00571
00572 <font class="comment">// ***************************************************************************</font>
00573 <font class="comment">// ***************************************************************************</font>
00574 <font class="comment">// CBGRA</font>
00575 <font class="comment">// ***************************************************************************</font>
00576 <font class="comment">// ***************************************************************************</font>
00577
00578
00579 <font class="comment">// ***************************************************************************</font>
<a name="l00580"></a><a class="code" href="classNLMISC_1_1CBGRA.html#a7">00580</a> <font class="keywordtype">void</font> CBGRA::serial(<font class="keyword">class</font> <a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &f)
00581 {
00582 f.serial (<a class="code" href="classNLMISC_1_1CBGRA.html#m2">B</a>);
00583 f.serial (<a class="code" href="classNLMISC_1_1CBGRA.html#m1">G</a>);
00584 f.serial (<a class="code" href="classNLMISC_1_1CBGRA.html#m0">R</a>);
00585 f.serial (<a class="code" href="classNLMISC_1_1CBGRA.html#m3">A</a>);
00586 }
00587 <font class="comment">// ***************************************************************************</font>
<a name="l00588"></a><a class="code" href="classNLMISC_1_1CBGRA.html#a9">00588</a> <font class="keywordtype">void</font> CBGRA::set(uint8 <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>, uint8 g, uint8 b, uint8 a)
00589 {
00590 <a class="code" href="classNLMISC_1_1CBGRA.html#m0">R</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>;
00591 <a class="code" href="classNLMISC_1_1CBGRA.html#m1">G</a> = g;
00592 <a class="code" href="classNLMISC_1_1CBGRA.html#m2">B</a> = b;
00593 <a class="code" href="classNLMISC_1_1CBGRA.html#m3">A</a> = a;
00594 }
00595 <font class="comment">// ***************************************************************************</font>
<a name="l00596"></a><a class="code" href="classNLMISC_1_1CBGRA.html#a8">00596</a> <font class="keywordtype">void</font> CBGRA::blendFromui(CBGRA &c0, CBGRA &c1, uint coef) <font class="comment">// coef must be in [0,256]</font>
00597 {
00598 <font class="keywordtype">int</font> a1 = coef;
00599 <font class="keywordtype">int</font> a2 = 256-a1;
00600 R = (c0.R*a2 + c1.R*a1) >>8;
00601 G = (c0.G*a2 + c1.G*a1) >>8;
00602 B = (c0.B*a2 + c1.B*a1) >>8;
00603 A = (c0.A*a2 + c1.A*a1) >>8;
00604 }
00605
00606
00607 <font class="comment">// ***************************************************************************</font>
<a name="l00608"></a><a class="code" href="classNLMISC_1_1CRGBA.html#z323_0">00608</a> <font class="keywordtype">bool</font> CRGBA::convertToHLS(<font class="keywordtype">float</font> &h, <font class="keywordtype">float</font> &<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a>, <font class="keywordtype">float</font> &<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>)<font class="keyword"> const</font>
00609 <font class="keyword"></font>{
00610 <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a> = <a class="code" href="classNLMISC_1_1CRGBA.html#m0">R</a> / 255.f;
00611 <font class="keywordtype">float</font> g = <a class="code" href="classNLMISC_1_1CRGBA.html#m1">G</a> / 255.f;
00612 <font class="keywordtype">float</font> b = <a class="code" href="classNLMISC_1_1CRGBA.html#m2">B</a> / 255.f;
00613
00614 <font class="keywordtype">float</font> maxV = <a class="code" href="namespaceNLMISC.html#a219">NLMISC::maxof</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>, g, b);
00615 <font class="keywordtype">float</font> minV = <a class="code" href="namespaceNLMISC.html#a216">NLMISC::minof</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>, g, b);
00616
00618 <a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> = 0.5f * (maxV + minV);
00619
00621 <font class="keywordflow">if</font> (minV == maxV) <font class="comment">// all composants are equals -> achromatique</font>
00622 {
00623 <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a> = 0;
00624 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00625 }
00626 <font class="keywordtype">float</font> diff = maxV - minV;
00628 <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a> = <a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> > 0.5f ? <font class="comment">/*are we in the top of the double-hexcone ? */</font>
00629 diff / (2.f - maxV - minV) :
00630 diff / (maxV + minV);
00631
00632 <font class="comment">// Get hue</font>
00633
00634 <font class="keywordflow">if</font> (maxV == <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>)
00635 {
00636 h = (g - b) / diff;
00637 }
00638 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (maxV == g)
00639 {
00640 h = 2.f + (b - <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>) / diff;
00641 }
00642 <font class="keywordflow">else</font>
00643 {
00644 h = 4.f + (<a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a> - g) / diff;
00645 }
00646
00647 h *= 60.f; <font class="comment">// scale to [0..360]</font>
00648
00649 <font class="keywordflow">if</font> (h < 0.f) h += 360.f;
00650
00651 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00652 }
00653
00654
00655 <font class="comment">// ***************************************************************************</font>
00657 <font class="comment">static float HLSValue(float h, float v1, float v2)</font>
00658 {
00659 <font class="comment">/* get hue in the [0, 360] interval */</font>
00660 <font class="comment">// h -= 360.f * ::floorf(h / 360.f);</font>
00661
00662 <font class="keywordflow">if</font> (h > 360.f) h -= 360.f;
00663 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (h < 0) h += 360.f;
00664
00665 <font class="keywordflow">if</font> (h < 60.f)
00666 {
00667 <font class="keywordflow">return</font> v1 + (v2 - v1) * h / 60.f;
00668 }
00669 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (h < 180.f)
00670 {
00671 <font class="keywordflow">return</font> v2;
00672 }
00673 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (h < 240.f)
00674 {
00675 <font class="keywordflow">return</font> v1 + (v2 - v1) * (240.f - h) / 60.f;
00676 }
00677 <font class="keywordflow">else</font>
00678 {
00679 <font class="keywordflow">return</font> v1;
00680 }
00681 }
00682
00683
00684 <font class="comment">// ***************************************************************************</font>
<a name="l00685"></a><a class="code" href="classNLMISC_1_1CRGBA.html#z323_1">00685</a> <font class="keywordtype">void</font> CRGBA::buildFromHLS(<font class="keywordtype">float</font> h, <font class="keywordtype">float</font> <a class="code" href="namespaceNLAISCRIPT.html#a20">l</a>, <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>)
00686 {
00687 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a>, 0, 1);
00688 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, 0, 1);
00689
00690 <font class="keywordtype">float</font> v2 = (<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> <= 0.5f) ? (<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> * (1 + <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>)) : (<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> + <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a> - <a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> * <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>);
00691 <font class="keywordtype">float</font> v1 = 2.f * <a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> - v2;
00692
00693 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a> == 0) <font class="comment">// achromatic ?</font>
00694 {
00695 <a class="code" href="classNLMISC_1_1CRGBA.html#m0">R</a> = <a class="code" href="classNLMISC_1_1CRGBA.html#m1">G</a> = <a class="code" href="classNLMISC_1_1CRGBA.html#m2">B</a> = (uint8) (255.f * <a class="code" href="namespaceNLAISCRIPT.html#a20">l</a>);
00696 }
00697 <font class="keywordflow">else</font> <font class="comment">// chromatic case</font>
00698 {
00699 <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>;
00700 <font class="comment">//</font>
00701 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> = <a class="code" href="namespaceNLMISC.html#a313">HLSValue</a>(h + 120.f, v1, v2);
00702 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>, 0.f, 1.f);
00703 <a class="code" href="classNLMISC_1_1CRGBA.html#m0">R</a> = (uint8) (255.f * <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>);
00704 <font class="comment">//</font>
00705 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> = <a class="code" href="namespaceNLMISC.html#a313">HLSValue</a>(h, v1, v2);
00706 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>, 0.f, 1.f);
00707 <a class="code" href="classNLMISC_1_1CRGBA.html#m1">G</a> = (uint8) (255.f * <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>);
00708 <font class="comment">//</font>
00709 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> = <a class="code" href="namespaceNLMISC.html#a313">HLSValue</a>(h - 120.f, v1, v2);
00710 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>, 0.f, 1.f);
00711 <a class="code" href="classNLMISC_1_1CRGBA.html#m2">B</a> = (uint8) (255.f * <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>);
00712 }
00713 }
00714
00715
00716 <font class="comment">// ***************************************************************************</font>
00717 <font class="comment">// ***************************************************************************</font>
00718 <font class="comment">// CRGBAF</font>
00719 <font class="comment">// ***************************************************************************</font>
00720 <font class="comment">// ***************************************************************************</font>
00721
00722
00723 <font class="comment">// ***************************************************************************</font>
00724 <font class="keywordtype">void</font> CRGBAF::serial(<font class="keyword">class</font> <a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &f)
00725 {
00726 f.serial (<a class="code" href="classNLMISC_1_1CRGBA.html#m0">R</a>);
00727 f.serial (<a class="code" href="classNLMISC_1_1CRGBA.html#m1">G</a>);
00728 f.serial (<a class="code" href="classNLMISC_1_1CRGBA.html#m2">B</a>);
00729 f.serial (<a class="code" href="classNLMISC_1_1CRGBA.html#m3">A</a>);
00730 }
00731 <font class="comment">// ***************************************************************************</font>
<a name="l00732"></a><a class="code" href="classNLMISC_1_1CRGBAF.html#a0">00732</a> <font class="keywordtype">void</font> CRGBAF::set(<font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>, <font class="keywordtype">float</font> g, <font class="keywordtype">float</font> b, <font class="keywordtype">float</font> a)
00733 {
00734 <a class="code" href="classNLMISC_1_1CRGBAF.html#m0">R</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>;
00735 <a class="code" href="classNLMISC_1_1CRGBAF.html#m1">G</a> = g;
00736 <a class="code" href="classNLMISC_1_1CRGBAF.html#m2">B</a> = b;
00737 <a class="code" href="classNLMISC_1_1CRGBAF.html#m3">A</a> = a;
00738 }
00739
00740
00741
00742
00743
00744 } <font class="comment">// NLMISC</font>
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