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<hr><h1>vertex_program_parse.cpp</h1><a href="vertex__program__parse_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00006 <font class="comment">/* Copyright, 2000, 2001, 2002 Nevrax Ltd.</font>
00007 <font class="comment"> *</font>
00008 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00009 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00010 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00011 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00012 <font class="comment"> * any later version.</font>
00013 <font class="comment"></font>
00014 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00015 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00016 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00017 <font class="comment"> * General Public License for more details.</font>
00018 <font class="comment"></font>
00019 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00020 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00021 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00022 <font class="comment"> * MA 02111-1307, USA.</font>
00023 <font class="comment"> */</font>
00024
00025 <font class="preprocessor">#include "<a class="code" href="std3d_8h.html">std3d.h</a>"</font>
00026 <font class="preprocessor">#include "<a class="code" href="vertex__program__parse_8h.html">vertex_program_parse.h</a>"</font>
00027
00028
00029
00030 <font class="comment">//=====================================</font>
<a name="l00031"></a><a class="code" href="classCVPParser.html#c7">00031</a> <font class="keywordtype">bool</font> <a class="code" href="classCVPParser.html#c7">CVPParser::parseWriteMask</a>(uint &mask, std::string &errorOutput)
00032 {
00033 <font class="comment">// parse output mask</font>
00034 <font class="keywordflow">if</font> (*<a class="code" href="classCVPParser.html#o0">_CurrChar</a> != <font class="charliteral">'.'</font>)
00035 {
00036 <font class="comment">// no output masks</font>
00037 mask = 0xf; <font class="comment">//output 4 coordinates</font>
00038 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00039 }
00040 <font class="keywordflow">else</font>
00041 {
00042 ++ <a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00043 mask = 0;
00044 <font class="keywordflow">for</font>(uint k = 0; k < 4; ++k)
00045 {
00046 uint maskIndex;
00047 <font class="keywordflow">switch</font>(*_CurrChar)
00048 {
00049 <font class="keywordflow">case</font> <font class="charliteral">'x'</font>: maskIndex = 0; <font class="keywordflow">break</font>;
00050 <font class="keywordflow">case</font> <font class="charliteral">'y'</font>: maskIndex = 1; <font class="keywordflow">break</font>;
00051 <font class="keywordflow">case</font> <font class="charliteral">'z'</font>: maskIndex = 2; <font class="keywordflow">break</font>;
00052 <font class="keywordflow">case</font> <font class="charliteral">'w'</font>: maskIndex = 3; <font class="keywordflow">break</font>;
00053 <font class="keywordflow">default</font>:
00054 <font class="keywordflow">if</font> (k >= 1) <font class="keywordflow">return</font> <font class="keyword">true</font>;
00055 <font class="keywordflow">else</font>
00056 {
00057 errorOutput = <font class="stringliteral">"Can't parse output mask."</font>;
00058 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00059 }
00060 <font class="keywordflow">break</font>;
00061 }
00062 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00063 <font class="keywordflow">if</font> (mask & (1 << maskIndex))
00064 {
00065 errorOutput = <font class="stringliteral">"Duplicated output mask component."</font>;
00066 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00067 }
00068 mask |= 1 << maskIndex;
00069 }
00070 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00071 }
00072 }
00073
00074 <font class="comment">//=====================================</font>
<a name="l00077"></a><a class="code" href="classCVPParser.html#c12">00077</a> <font class="comment"></font><font class="keywordtype">void</font> <a class="code" href="classCVPParser.html#c12">CVPParser::skipSpacesAndComments</a>()
00078 {
00079 <font class="keywordtype">bool</font> stop = <font class="keyword">false</font>;
00080 <font class="keywordflow">do</font>
00081 {
00082 <font class="keywordflow">switch</font>(*_CurrChar)
00083 {
00084 <font class="keywordflow">case</font> <font class="charliteral">'\t'</font>:
00085 <font class="keywordflow">case</font> <font class="charliteral">'\r'</font>:
00086 <font class="keywordflow">case</font> <font class="charliteral">' '</font> :
00087 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00088 <font class="keywordflow">break</font>;
00089 <font class="comment">//</font>
00090 <font class="keywordflow">case</font> <font class="charliteral">'\n'</font>:
00091 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00092 ++<a class="code" href="classCVPParser.html#o2">_LineIndex</a>;
00093 <a class="code" href="classCVPParser.html#o1">_LineStart</a> = <a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00094 <font class="keywordflow">break</font>;
00095 <font class="keywordflow">case</font> <font class="charliteral">'#'</font>: <font class="comment">// comment go till end of line</font>
00096 <font class="keywordflow">while</font> (*<a class="code" href="classCVPParser.html#o0">_CurrChar</a> != <font class="charliteral">'\n'</font> && *<a class="code" href="classCVPParser.html#o0">_CurrChar</a> != <font class="charliteral">'\0'</font>) ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00097 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00098 <font class="keywordflow">break</font>;
00099 <font class="keywordflow">default</font>:
00100 stop = <font class="keyword">true</font>;
00101 <font class="keywordflow">break</font>;
00102 }
00103 }
00104 <font class="keywordflow">while</font> (!stop);
00105 }
00106
00107 <font class="comment">//=================================================================================================</font>
<a name="l00108"></a><a class="code" href="structCVPInstruction.html#a1">00108</a> uint <a class="code" href="structCVPInstruction.html#a1">CVPInstruction::getNumUsedSrc</a>()<font class="keyword"> const</font>
00109 <font class="keyword"></font>{
00110 <font class="keywordflow">switch</font>(Opcode)
00111 {
00112 <font class="keywordflow">case</font> <a class="code" href="structCVPInstruction.html#s18s1">CVPInstruction::ARL</a>:
00113 <font class="keywordflow">case</font> <a class="code" href="structCVPInstruction.html#s18s5">CVPInstruction::RSQ</a>:
00114 <font class="keywordflow">case</font> <a class="code" href="structCVPInstruction.html#s18s14">CVPInstruction::EXPP</a>:
00115 <font class="keywordflow">case</font> <a class="code" href="structCVPInstruction.html#s18s15">CVPInstruction::LOG</a>:
00116 <font class="keywordflow">case</font> <a class="code" href="structCVPInstruction.html#s18s16">CVPInstruction::RCP</a>:
00117 <font class="keywordflow">case</font> <a class="code" href="structCVPInstruction.html#s18s0">CVPInstruction::MOV</a>:
00118 <font class="keywordflow">case</font> <a class="code" href="structCVPInstruction.html#s18s9">CVPInstruction::LIT</a>:
00119 <font class="keywordflow">return</font> 1;
00120 <font class="comment">//</font>
00121 <font class="keywordflow">case</font> <a class="code" href="structCVPInstruction.html#s18s4">CVPInstruction::MAD</a>:
00122 <font class="keywordflow">return</font> 3;
00123 <font class="comment">//</font>
00124 <font class="keywordflow">case</font> <a class="code" href="structCVPInstruction.html#s18s2">CVPInstruction::MUL</a>:
00125 <font class="keywordflow">case</font> <a class="code" href="structCVPInstruction.html#s18s3">CVPInstruction::ADD</a>:
00126 <font class="keywordflow">case</font> <a class="code" href="structCVPInstruction.html#s18s6">CVPInstruction::DP3</a>:
00127 <font class="keywordflow">case</font> <a class="code" href="structCVPInstruction.html#s18s7">CVPInstruction::DP4</a>:
00128 <font class="keywordflow">case</font> <a class="code" href="structCVPInstruction.html#s18s8">CVPInstruction::DST</a>:
00129 <font class="keywordflow">case</font> <a class="code" href="structCVPInstruction.html#s18s10">CVPInstruction::MIN</a>:
00130 <font class="keywordflow">case</font> <a class="code" href="structCVPInstruction.html#s18s11">CVPInstruction::MAX</a>:
00131 <font class="keywordflow">case</font> <a class="code" href="structCVPInstruction.html#s18s12">CVPInstruction::SLT</a>:
00132 <font class="keywordflow">case</font> <a class="code" href="structCVPInstruction.html#s18s13">CVPInstruction::SGE</a>:
00133 <font class="keywordflow">return</font> 2;
00134 <font class="comment">//</font>
00135 <font class="keywordflow">default</font>:
00136 <a class="code" href="debug_8h.html#a12">nlstop</a>;
00137 }
00138 <font class="keywordflow">return</font> 0;
00139 }
00140
00141 <font class="comment">//=================================================================================================</font>
<a name="l00142"></a><a class="code" href="classCVPParser.html#c0">00142</a> <font class="keywordtype">bool</font> <a class="code" href="classCVPParser.html#c0">CVPParser::parseOperand</a>(<a class="code" href="structCVPOperand.html">CVPOperand</a> &operand, <font class="keywordtype">bool</font> outputOperand, std::string &errorOutput)
00143 {
00144 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00145 <font class="keywordtype">bool</font> result;
00146 <font class="keywordflow">if</font> (outputOperand)
00147 {
00148 operand.<a class="code" href="structCVPOperand.html#m8">Negate</a> = <font class="keyword">false</font>;
00149 <font class="keywordflow">switch</font>(*_CurrChar)
00150 {
00151 <font class="keywordflow">case</font> <font class="charliteral">'o'</font>: result = <a class="code" href="classCVPParser.html#c2">parseOutputRegister</a>(operand, errorOutput); <font class="keywordflow">break</font>;
00152 <font class="keywordflow">case</font> <font class="charliteral">'R'</font>:
00153 result = <a class="code" href="classCVPParser.html#c4">parseVariableRegister</a>(operand, errorOutput);
00154 <font class="keywordflow">break</font>;
00155 <font class="keywordflow">case</font> <font class="charliteral">'A'</font>: result = <a class="code" href="classCVPParser.html#c5">parseAddressRegister</a>(operand, errorOutput); <font class="keywordflow">break</font>;
00156 <font class="keywordflow">case</font> <font class="charliteral">'-'</font>:
00157 errorOutput = <font class="stringliteral">"Negation not allowed on ouput register."</font>;
00158 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00159 <font class="keywordflow">default</font>:
00160 errorOutput = <font class="stringliteral">"Output, Address, or Temporary register expected as an output operand."</font>;
00161 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00162 }
00163 <font class="keywordflow">if</font> (!result) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00164
00165 <font class="comment">// parse the write mask</font>
00166 <font class="keywordflow">return</font> <a class="code" href="classCVPParser.html#c7">parseWriteMask</a>(operand.<a class="code" href="structCVPOperand.html#m7">WriteMask</a>, errorOutput);
00167 }
00168 <font class="keywordflow">else</font>
00169 {
00170 operand.<a class="code" href="structCVPOperand.html#m8">Negate</a> = <font class="keyword">false</font>;
00171 <font class="keywordflow">switch</font>(*_CurrChar)
00172 {
00173 <font class="keywordflow">case</font> <font class="charliteral">'v'</font>: result = <a class="code" href="classCVPParser.html#c1">parseInputRegister</a>(operand, errorOutput); <font class="keywordflow">break</font>;
00174 <font class="keywordflow">case</font> <font class="charliteral">'R'</font>: result = <a class="code" href="classCVPParser.html#c4">parseVariableRegister</a>(operand, errorOutput); <font class="keywordflow">break</font>;
00175 <font class="keywordflow">case</font> <font class="charliteral">'c'</font>: result = <a class="code" href="classCVPParser.html#c3">parseConstantRegister</a>(operand, errorOutput); <font class="keywordflow">break</font>;
00176 <font class="keywordflow">case</font> <font class="charliteral">'a'</font>: result = <a class="code" href="classCVPParser.html#c5">parseAddressRegister</a>(operand, errorOutput); <font class="keywordflow">break</font>;
00177 <font class="keywordflow">case</font> <font class="charliteral">'-'</font>:
00178 {
00179 operand.<a class="code" href="structCVPOperand.html#m8">Negate</a> = <font class="keyword">true</font>;
00180 <font class="comment">// negation</font>
00181 ++ <a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00182 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00183 <font class="keywordflow">switch</font>(*_CurrChar)
00184 {
00185 <font class="keywordflow">case</font> <font class="charliteral">'v'</font>: result = <a class="code" href="classCVPParser.html#c1">parseInputRegister</a>(operand, errorOutput); <font class="keywordflow">break</font>;
00186 <font class="keywordflow">case</font> <font class="charliteral">'R'</font>: result = <a class="code" href="classCVPParser.html#c4">parseVariableRegister</a>(operand, errorOutput); <font class="keywordflow">break</font>;
00187 <font class="keywordflow">case</font> <font class="charliteral">'c'</font>: result = <a class="code" href="classCVPParser.html#c3">parseConstantRegister</a>(operand, errorOutput); <font class="keywordflow">break</font>;
00188 <font class="keywordflow">default</font>:
00189 errorOutput = <font class="stringliteral">"Negation must be followed by an input register, a variable register, or a constant."</font>;
00190 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00191 <font class="keywordflow">break</font>;
00192 }
00193 }
00194 <font class="keywordflow">break</font>;
00195 <font class="keywordflow">default</font>:
00196 errorOutput = <font class="stringliteral">"Syntax error."</font>;
00197 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00198 <font class="keywordflow">break</font>;
00199 }
00200 <font class="keywordflow">if</font> (!result) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00201 <font class="keywordflow">if</font> (operand.<a class="code" href="structCVPOperand.html#m0">Type</a> != <a class="code" href="structCVPOperand.html#s40s4">CVPOperand::AddressRegister</a>)
00202 {
00203 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c6">parseSwizzle</a>(operand.<a class="code" href="structCVPOperand.html#m9">Swizzle</a>, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00204 <font class="keywordflow">if</font> (operand.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s0">CVPOperand::Variable</a>)
00205 {
00206 <font class="keywordflow">for</font>(uint k = 0; k < 4; ++k)
00207 {
00208 <font class="keywordflow">if</font> (!(<a class="code" href="classCVPParser.html#o3">_RegisterMask</a>[operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.VariableValue] & (1 << operand.<a class="code" href="structCVPOperand.html#m9">Swizzle</a>.<a class="code" href="structCVPSwizzle.html#m0">Comp</a>[k])))
00209 {
00210 errorOutput = <font class="stringliteral">"Can't read a register component before writing to it."</font>;
00211 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00212 }
00213 }
00214 }
00215 }
00216 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00217 }
00218
00219
00220 }
00221
00222
00223 <font class="comment">//=================================================================================================</font>
<a name="l00224"></a><a class="code" href="classCVPParser.html#c1">00224</a> <font class="keywordtype">bool</font> <a class="code" href="classCVPParser.html#c1">CVPParser::parseInputRegister</a>(<a class="code" href="structCVPOperand.html">CVPOperand</a> &operand, std::string &errorOutput)
00225 {
00226 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00227 operand.<a class="code" href="structCVPOperand.html#m0">Type</a> = <a class="code" href="structCVPOperand.html#s40s2">CVPOperand::InputRegister</a>;
00228 <font class="keywordflow">if</font> (*<a class="code" href="classCVPParser.html#o0">_CurrChar</a> != <font class="charliteral">'['</font>)
00229 {
00230 errorOutput = <font class="stringliteral">"'[' expected when parsing an input register."</font>;
00231 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00232 }
00233 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00234 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00235 <font class="keywordflow">if</font> (isdigit(*<a class="code" href="classCVPParser.html#o0">_CurrChar</a>))
00236 {
00237 <font class="comment">// The input register is expressed as an index</font>
00238 uint <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> = *<a class="code" href="classCVPParser.html#o0">_CurrChar</a> - <font class="charliteral">'0'</font>;
00239 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00240 <font class="keywordflow">if</font> (isdigit(*<a class="code" href="classCVPParser.html#o0">_CurrChar</a>))
00241 {
00242 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> = 10 * <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> + (*<a class="code" href="classCVPParser.html#o0">_CurrChar</a> - <font class="charliteral">'0'</font>);
00243 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00244 }
00245 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> > 15)
00246 {
00247 errorOutput = <font class="stringliteral">"Invalid index for input register, must be in [0, 15]."</font>;
00248 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00249 }
00250 operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.InputRegisterValue = (CVPOperand::EInputRegister) <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>;
00251 }
00252 <font class="keywordflow">else</font>
00253 {
00254 <font class="comment">// The input register is expressed as a string</font>
00255 uint32 strValue = 0;
00256 <font class="comment">// read the 4 letters</font>
00257 <font class="keywordflow">for</font>(uint k = 0; k < 4; ++k)
00258 {
00259 <font class="keywordflow">if</font> (!isalnum(*<a class="code" href="classCVPParser.html#o0">_CurrChar</a>))
00260 {
00261 errorOutput = <font class="stringliteral">"Can't parse index for input register."</font>;
00262 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00263 }
00264 strValue |= ((uint32) *<a class="code" href="classCVPParser.html#o0">_CurrChar</a>) << (8 * (3 - k));
00265 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00266 }
00267 <font class="keywordflow">switch</font> (strValue)
00268 {
00269 <font class="keywordflow">case</font> 'OPOS': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.InputRegisterValue = <a class="code" href="structCVPOperand.html#s41s6">CVPOperand::IPosition</a>; <font class="keywordflow">break</font>;
00270 <font class="keywordflow">case</font> 'WGHT': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.InputRegisterValue = <a class="code" href="structCVPOperand.html#s41s7">CVPOperand::IWeight</a>; <font class="keywordflow">break</font>;
00271 <font class="keywordflow">case</font> 'NRML': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.InputRegisterValue = <a class="code" href="structCVPOperand.html#s41s8">CVPOperand::INormal</a>; <font class="keywordflow">break</font>;
00272 <font class="keywordflow">case</font> 'COL0': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.InputRegisterValue = <a class="code" href="structCVPOperand.html#s41s9">CVPOperand::IPrimaryColor</a>; <font class="keywordflow">break</font>;
00273 <font class="keywordflow">case</font> 'COL1': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.InputRegisterValue = <a class="code" href="structCVPOperand.html#s41s10">CVPOperand::ISecondaryColor</a>; <font class="keywordflow">break</font>;
00274 <font class="keywordflow">case</font> 'FOGC': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.InputRegisterValue = <a class="code" href="structCVPOperand.html#s41s11">CVPOperand::IFogCoord</a>; <font class="keywordflow">break</font>;
00275 <font class="comment">// texture argument</font>
00276 <font class="keywordflow">case</font> 'TEX0':
00277 <font class="keywordflow">case</font> 'TEX1':
00278 <font class="keywordflow">case</font> 'TEX2':
00279 <font class="keywordflow">case</font> 'TEX3':
00280 <font class="keywordflow">case</font> 'TEX4':
00281 <font class="keywordflow">case</font> 'TEX5':
00282 <font class="keywordflow">case</font> 'TEX6':
00283 <font class="keywordflow">case</font> 'TEX7':
00284 operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.InputRegisterValue = (CVPOperand::EInputRegister) (<a class="code" href="structCVPOperand.html#s41s14">CVPOperand::ITex0</a> + strValue & 0xff - <font class="charliteral">'0'</font>);
00285 <font class="keywordflow">break</font>;
00286 <font class="keywordflow">default</font>:
00287 errorOutput = <font class="stringliteral">"Can't parse index for input register."</font>;
00288 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00289 }
00290 }
00291 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00292 <font class="keywordflow">if</font> (*<a class="code" href="classCVPParser.html#o0">_CurrChar</a> != <font class="charliteral">']'</font>)
00293 {
00294 errorOutput = <font class="stringliteral">"']' expected when parsing an input register."</font>;
00295 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00296 }
00297 ++ <a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00298 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00299 }
00300
00301 <font class="comment">//=================================================================================================</font>
<a name="l00302"></a><a class="code" href="vertex__program__parse_8cpp.html#a2">00302</a> <font class="keyword">static</font> <font class="keyword">inline</font> <font class="keywordtype">bool</font> <a class="code" href="vertex__program__parse_8cpp.html#a2">letterToSwizzleComp</a>(<font class="keywordtype">char</font> letter, <a class="code" href="structCVPSwizzle.html#s4">CVPSwizzle::EComp</a> &comp)
00303 {
00304 <font class="keywordflow">switch</font> (letter)
00305 {
00306 <font class="keywordflow">case</font> <font class="charliteral">'x'</font>: comp = <a class="code" href="structCVPSwizzle.html#s4s0">CVPSwizzle::X</a>; <font class="keywordflow">return</font> <font class="keyword">true</font>;
00307 <font class="keywordflow">case</font> <font class="charliteral">'y'</font>: comp = <a class="code" href="structCVPSwizzle.html#s4s1">CVPSwizzle::Y</a>; <font class="keywordflow">return</font> <font class="keyword">true</font>;
00308 <font class="keywordflow">case</font> <font class="charliteral">'z'</font>: comp = <a class="code" href="structCVPSwizzle.html#s4s2">CVPSwizzle::Z</a>; <font class="keywordflow">return</font> <font class="keyword">true</font>;
00309 <font class="keywordflow">case</font> <font class="charliteral">'w'</font>: comp = <a class="code" href="structCVPSwizzle.html#s4s3">CVPSwizzle::W</a>; <font class="keywordflow">return</font> <font class="keyword">true</font>;
00310 }
00311 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00312 }
00313
00314 <font class="comment">//=================================================================================================</font>
<a name="l00315"></a><a class="code" href="classCVPParser.html#c6">00315</a> <font class="keywordtype">bool</font> <a class="code" href="classCVPParser.html#c6">CVPParser::parseSwizzle</a>(<a class="code" href="structCVPSwizzle.html">CVPSwizzle</a> &swizzle,std::string &errorOutput)
00316 {
00317 <font class="keywordflow">if</font> (*<a class="code" href="classCVPParser.html#o0">_CurrChar</a> != <font class="charliteral">'.'</font>)
00318 {
00319 <font class="comment">// no swizzle</font>
00320 swizzle.<a class="code" href="structCVPSwizzle.html#m0">Comp</a>[0] = <a class="code" href="structCVPSwizzle.html#s4s0">CVPSwizzle::X</a>;
00321 swizzle.<a class="code" href="structCVPSwizzle.html#m0">Comp</a>[1] = <a class="code" href="structCVPSwizzle.html#s4s1">CVPSwizzle::Y</a>;
00322 swizzle.<a class="code" href="structCVPSwizzle.html#m0">Comp</a>[2] = <a class="code" href="structCVPSwizzle.html#s4s2">CVPSwizzle::Z</a>;
00323 swizzle.<a class="code" href="structCVPSwizzle.html#m0">Comp</a>[3] = <a class="code" href="structCVPSwizzle.html#s4s3">CVPSwizzle::W</a>;
00324 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00325 }
00326 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00327 <font class="comment">// 4 letters case</font>
00328 <font class="keywordflow">for</font>(uint k = 0; k < 4; ++k)
00329 {
00330 <font class="keywordflow">if</font> (!isalpha(*<a class="code" href="classCVPParser.html#o0">_CurrChar</a>))
00331 {
00332 <font class="keywordflow">if</font> (k == 1) <font class="comment">// 1 letter case</font>
00333 {
00334 <font class="keywordflow">switch</font>(*_CurrChar)
00335 {
00336 <font class="keywordflow">case</font> <font class="charliteral">','</font>:
00337 <font class="keywordflow">case</font> <font class="charliteral">';'</font>:
00338 <font class="keywordflow">case</font> <font class="charliteral">' '</font>:
00339 <font class="keywordflow">case</font> <font class="charliteral">'\t'</font>:
00340 <font class="keywordflow">case</font> <font class="charliteral">'\r'</font>:
00341 <font class="keywordflow">case</font> <font class="charliteral">'\n'</font>:
00342 <font class="keywordflow">case</font> <font class="charliteral">'#'</font>:
00343 swizzle.<a class="code" href="structCVPSwizzle.html#m0">Comp</a>[1] = swizzle.<a class="code" href="structCVPSwizzle.html#m0">Comp</a>[2] = swizzle.<a class="code" href="structCVPSwizzle.html#m0">Comp</a>[3] = swizzle.<a class="code" href="structCVPSwizzle.html#m0">Comp</a>[0];
00344 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00345 <font class="keywordflow">break</font>;
00346 <font class="keywordflow">default</font>:
00347 errorOutput = <font class="stringliteral">"Can't parse swizzle."</font>;
00348
00349 }
00350 }
00351 <font class="keywordflow">else</font>
00352 {
00353 errorOutput = <font class="stringliteral">"Invalid swizzle value."</font>;
00354 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00355 }
00356 }
00357
00358 <font class="keywordflow">if</font> (!<a class="code" href="vertex__program__parse_8cpp.html#a2">letterToSwizzleComp</a>(*<a class="code" href="classCVPParser.html#o0">_CurrChar</a>, swizzle.<a class="code" href="structCVPSwizzle.html#m0">Comp</a>[k]))
00359 {
00360 errorOutput = <font class="stringliteral">"Invalid swizzle value."</font>;
00361 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00362 }
00363 ++ <a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00364 }
00365
00366 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00367 }
00368
00369 <font class="comment">//=================================================================================================</font>
<a name="l00370"></a><a class="code" href="classCVPParser.html#c2">00370</a> <font class="keywordtype">bool</font> <a class="code" href="classCVPParser.html#c2">CVPParser::parseOutputRegister</a>(<a class="code" href="structCVPOperand.html">CVPOperand</a> &operand, std::string &errorOutput)
00371 {
00372 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00373 operand.<a class="code" href="structCVPOperand.html#m0">Type</a> = <a class="code" href="structCVPOperand.html#s40s3">CVPOperand::OutputRegister</a>;
00374 <font class="keywordflow">if</font> (*<a class="code" href="classCVPParser.html#o0">_CurrChar</a> != <font class="charliteral">'['</font>)
00375 {
00376 errorOutput = <font class="stringliteral">"'[' expected when parsing an ouput register."</font>;
00377 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00378 }
00379 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00380 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00381 <font class="comment">// The input register is expressed as a string</font>
00382 uint32 strValue = 0;
00383 <font class="comment">// read the 4 letters</font>
00384 <font class="keywordflow">for</font>(uint k = 0; k < 4; ++k)
00385 {
00386 <font class="keywordflow">if</font> (!isalnum(*<a class="code" href="classCVPParser.html#o0">_CurrChar</a>))
00387 {
00388 errorOutput = <font class="stringliteral">"Can't parse index for output register."</font>;
00389 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00390 }
00391 strValue |= ((uint32) *<a class="code" href="classCVPParser.html#o0">_CurrChar</a>) << (8 * (3 - k));
00392 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00393 }
00394 <font class="comment">// convert to enum</font>
00395 <font class="keywordflow">switch</font>(strValue)
00396 {
00397 <font class="keywordflow">case</font> 'HPOS': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.OutputRegisterValue = <a class="code" href="structCVPOperand.html#s42s24">CVPOperand::OHPosition</a>; <font class="keywordflow">break</font>;
00398 <font class="keywordflow">case</font> 'COL0': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.OutputRegisterValue = <a class="code" href="structCVPOperand.html#s42s25">CVPOperand::OPrimaryColor</a>; <font class="keywordflow">break</font>;
00399 <font class="keywordflow">case</font> 'COL1': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.OutputRegisterValue = <a class="code" href="structCVPOperand.html#s42s26">CVPOperand::OSecondaryColor</a>; <font class="keywordflow">break</font>;
00400 <font class="keywordflow">case</font> 'BFC0': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.OutputRegisterValue = <a class="code" href="structCVPOperand.html#s42s27">CVPOperand::OBackFacePrimaryColor</a>; <font class="keywordflow">break</font>;
00401 <font class="keywordflow">case</font> 'BFC1': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.OutputRegisterValue = <a class="code" href="structCVPOperand.html#s42s28">CVPOperand::OBackFaceSecondaryColor</a>; <font class="keywordflow">break</font>;
00402 <font class="keywordflow">case</font> 'FOGC': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.OutputRegisterValue = <a class="code" href="structCVPOperand.html#s42s29">CVPOperand::OFogCoord</a>; <font class="keywordflow">break</font>;
00403 <font class="keywordflow">case</font> 'PSIZ': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.OutputRegisterValue = <a class="code" href="structCVPOperand.html#s42s30">CVPOperand::OPointSize</a>; <font class="keywordflow">break</font>;
00404 <font class="keywordflow">case</font> 'TEX0': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.OutputRegisterValue = <a class="code" href="structCVPOperand.html#s42s31">CVPOperand::OTex0</a>; <font class="keywordflow">break</font>;
00405 <font class="keywordflow">case</font> 'TEX1': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.OutputRegisterValue = <a class="code" href="structCVPOperand.html#s42s32">CVPOperand::OTex1</a>; <font class="keywordflow">break</font>;
00406 <font class="keywordflow">case</font> 'TEX2': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.OutputRegisterValue = <a class="code" href="structCVPOperand.html#s42s33">CVPOperand::OTex2</a>; <font class="keywordflow">break</font>;
00407 <font class="keywordflow">case</font> 'TEX3': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.OutputRegisterValue = <a class="code" href="structCVPOperand.html#s42s34">CVPOperand::OTex3</a>; <font class="keywordflow">break</font>;
00408 <font class="keywordflow">case</font> 'TEX4': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.OutputRegisterValue = <a class="code" href="structCVPOperand.html#s42s35">CVPOperand::OTex4</a>; <font class="keywordflow">break</font>;
00409 <font class="keywordflow">case</font> 'TEX5': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.OutputRegisterValue = <a class="code" href="structCVPOperand.html#s42s36">CVPOperand::OTex5</a>; <font class="keywordflow">break</font>;
00410 <font class="keywordflow">case</font> 'TEX6': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.OutputRegisterValue = <a class="code" href="structCVPOperand.html#s42s37">CVPOperand::OTex6</a>; <font class="keywordflow">break</font>;
00411 <font class="keywordflow">case</font> 'TEX7': operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.OutputRegisterValue = <a class="code" href="structCVPOperand.html#s42s38">CVPOperand::OTex7</a>; <font class="keywordflow">break</font>;
00412 <font class="keywordflow">default</font>:
00413 errorOutput = <font class="stringliteral">"Can't read index for output register."</font>;
00414 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00415 <font class="keywordflow">break</font>;
00416 }
00417 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00418 <font class="keywordflow">if</font> (*<a class="code" href="classCVPParser.html#o0">_CurrChar</a> != <font class="charliteral">']'</font>)
00419 {
00420 errorOutput = <font class="stringliteral">"']' expected when parsing an output register."</font>;
00421 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00422 }
00423 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00424 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00425 }
00426
00427 <font class="comment">//=================================================================================================</font>
<a name="l00428"></a><a class="code" href="vertex__program__parse_8cpp.html#a3">00428</a> <font class="keyword">static</font> <font class="keyword">inline</font> <font class="keyword">const</font> <font class="keywordtype">char</font> *<a class="code" href="vertex__program__parse_8cpp.html#a3">parseUInt</a>(<font class="keyword">const</font> <font class="keywordtype">char</font> *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>, uint &dest)
00429 {
00430 uint <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> = 0;
00431 <font class="keywordflow">while</font> (isdigit(*<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>))
00432 {
00433 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> = 10 * <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> + *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a> - <font class="charliteral">'0'</font>;
00434 ++ <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>;
00435 }
00436 dest = <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>;
00437 <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>;
00438 }
00439
00440
00441 <font class="comment">//=================================================================================================</font>
<a name="l00442"></a><a class="code" href="classCVPParser.html#c3">00442</a> <font class="keywordtype">bool</font> <a class="code" href="classCVPParser.html#c3">CVPParser::parseConstantRegister</a>(<a class="code" href="structCVPOperand.html">CVPOperand</a> &operand, std::string &errorOutput)
00443 {
00444 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00445 operand.<a class="code" href="structCVPOperand.html#m0">Type</a> = <a class="code" href="structCVPOperand.html#s40s1">CVPOperand::Constant</a>;
00446 <font class="keywordflow">if</font> (*<a class="code" href="classCVPParser.html#o0">_CurrChar</a> != <font class="charliteral">'['</font>)
00447 {
00448 errorOutput = <font class="stringliteral">"'[' expected when parsing a constant register."</font>;
00449 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00450 }
00451 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00452 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00453 uint &<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> = operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.ConstantValue;
00454 <font class="keywordflow">if</font> (isdigit(*<a class="code" href="classCVPParser.html#o0">_CurrChar</a>))
00455 {
00456 <font class="comment">// immediat case : c[0] to c[95]</font>
00457 <a class="code" href="classCVPParser.html#o0">_CurrChar</a> = <a class="code" href="vertex__program__parse_8cpp.html#a3">parseUInt</a>(<a class="code" href="classCVPParser.html#o0">_CurrChar</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>);
00458 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> > 95)
00459 {
00460 errorOutput = <font class="stringliteral">"Constant register index must range from 0 to 95."</font>;
00461 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00462 }
00463 operand.<a class="code" href="structCVPOperand.html#m6">Indexed</a> = <font class="keyword">false</font>;
00464 }
00465 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (*<a class="code" href="classCVPParser.html#o0">_CurrChar</a> == <font class="charliteral">'A'</font>)
00466 {
00467 <font class="comment">// indexed case : c[A0.x + 0] to c[A0.x + 95]</font>
00468 operand.<a class="code" href="structCVPOperand.html#m6">Indexed</a> = <font class="keyword">true</font>;
00469 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> = 0;
00470 <font class="keywordflow">if</font> (<a class="code" href="classCVPParser.html#o0">_CurrChar</a>[1] == <font class="charliteral">'0'</font>
00471 && <a class="code" href="classCVPParser.html#o0">_CurrChar</a>[2] == <font class="charliteral">'.'</font>
00472 && <a class="code" href="classCVPParser.html#o0">_CurrChar</a>[3] == <font class="charliteral">'x'</font>)
00473 {
00474 <a class="code" href="classCVPParser.html#o0">_CurrChar</a> += 4;
00475 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00476 <font class="keywordflow">if</font> (*<a class="code" href="classCVPParser.html#o0">_CurrChar</a> == <font class="charliteral">'+'</font>)
00477 {
00478 ++ <a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00479 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00480 <font class="keywordflow">if</font> (isdigit(*<a class="code" href="classCVPParser.html#o0">_CurrChar</a>))
00481 {
00482 <a class="code" href="classCVPParser.html#o0">_CurrChar</a> = <a class="code" href="vertex__program__parse_8cpp.html#a3">parseUInt</a>(<a class="code" href="classCVPParser.html#o0">_CurrChar</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>);
00483 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> > 95)
00484 {
00485 errorOutput = <font class="stringliteral">"Constant register index must range from 0 to 95."</font>;
00486 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00487 }
00488 }
00489 <font class="keywordflow">else</font>
00490 {
00491 errorOutput = <font class="stringliteral">"Can't parse offset for constant register."</font>;
00492 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00493 }
00494 }
00495 }
00496 <font class="keywordflow">else</font>
00497 {
00498 errorOutput = <font class="stringliteral">"Can't parse constant register index."</font>;
00499 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00500 }
00501 }
00502 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00503 <font class="keywordflow">if</font> (*<a class="code" href="classCVPParser.html#o0">_CurrChar</a> != <font class="charliteral">']'</font>)
00504 {
00505 errorOutput = <font class="stringliteral">"']' expected when parsing an input register."</font>;
00506 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00507 }
00508 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00509 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00510 }
00511
00512 <font class="comment">//=================================================================================================</font>
<a name="l00513"></a><a class="code" href="classCVPParser.html#c4">00513</a> <font class="keywordtype">bool</font> <a class="code" href="classCVPParser.html#c4">CVPParser::parseVariableRegister</a>(<a class="code" href="structCVPOperand.html">CVPOperand</a> &operand, std::string &errorOutput)
00514 {
00515 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00516 operand.<a class="code" href="structCVPOperand.html#m0">Type</a> = <a class="code" href="structCVPOperand.html#s40s0">CVPOperand::Variable</a>;
00517 <font class="keywordflow">if</font> (!isdigit(*<a class="code" href="classCVPParser.html#o0">_CurrChar</a>))
00518 {
00519 errorOutput = <font class="stringliteral">"Can't parse variable register."</font>;
00520 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00521 }
00522 uint &<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> = operand.<a class="code" href="structCVPOperand.html#m5">Value</a>.VariableValue;
00523 <a class="code" href="classCVPParser.html#o0">_CurrChar</a> = <a class="code" href="vertex__program__parse_8cpp.html#a3">parseUInt</a>(<a class="code" href="classCVPParser.html#o0">_CurrChar</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>);
00524 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> > 11)
00525 {
00526 errorOutput = <font class="stringliteral">"Variable register index must range from 0 to 11."</font>;
00527 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00528 }
00529 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00530 }
00531
00532 <font class="comment">//=================================================================================================</font>
<a name="l00533"></a><a class="code" href="classCVPParser.html#c5">00533</a> <font class="keywordtype">bool</font> <a class="code" href="classCVPParser.html#c5">CVPParser::parseAddressRegister</a>(<a class="code" href="structCVPOperand.html">CVPOperand</a> &operand, std::string &errorOutput)
00534 {
00535 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00536 operand.<a class="code" href="structCVPOperand.html#m0">Type</a> = <a class="code" href="structCVPOperand.html#s40s4">CVPOperand::AddressRegister</a>;
00537 <font class="keywordflow">if</font> (<a class="code" href="classCVPParser.html#o0">_CurrChar</a>[0] != <font class="charliteral">'0'</font> || <a class="code" href="classCVPParser.html#o0">_CurrChar</a>[1] != <font class="charliteral">'.'</font> || <a class="code" href="classCVPParser.html#o0">_CurrChar</a>[2] != <font class="charliteral">'x'</font>)
00538 {
00539 errorOutput = <font class="stringliteral">"Can't parse address register."</font>;
00540 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00541 }
00542 <a class="code" href="classCVPParser.html#o0">_CurrChar</a> += 3;
00543 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00544 }
00545
00546 <font class="comment">//=================================================================================================</font>
<a name="l00547"></a><a class="code" href="classCVPParser.html#c9">00547</a> <font class="keywordtype">bool</font> <a class="code" href="classCVPParser.html#c9">CVPParser::parseOp2</a>(<a class="code" href="structCVPInstruction.html">CVPInstruction</a> &instr,std::string &errorOutput)
00548 {
00549 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00550 <font class="comment">// parse ouput</font>
00551 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c0">parseOperand</a>(instr.<a class="code" href="structCVPInstruction.html#m1">Dest</a>, <font class="keyword">true</font>, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00552 <font class="comment">// Can't write in input or consant register</font>
00553 <font class="keywordflow">if</font> (instr.<a class="code" href="structCVPInstruction.html#m1">Dest</a>.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s1">CVPOperand::Constant</a> || instr.<a class="code" href="structCVPInstruction.html#m1">Dest</a>.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s2">CVPOperand::InputRegister</a>)
00554 {
00555 errorOutput = <font class="stringliteral">"Can't write to a constant or input register"</font>;
00556 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00557 }
00558 <font class="comment">//</font>
00559 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00560 <font class="keywordflow">if</font> (*<a class="code" href="classCVPParser.html#o0">_CurrChar</a> != <font class="charliteral">','</font>)
00561 {
00562 errorOutput = <font class="stringliteral">"',' expected."</font>;
00563 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00564 }
00565 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00566 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00567 <font class="comment">// parse src1</font>
00568 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c0">parseOperand</a>(instr.<a class="code" href="structCVPInstruction.html#m2">Src1</a>, <font class="keyword">false</font>, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00569 <font class="keywordflow">if</font> (instr.<a class="code" href="structCVPInstruction.html#m2">Src1</a>.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s4">CVPOperand::AddressRegister</a>
00570 || instr.<a class="code" href="structCVPInstruction.html#m2">Src1</a>.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s3">CVPOperand::OutputRegister</a>)
00571 {
00572 errorOutput = <font class="stringliteral">"Src1 must be constant, variable, or input register."</font>;
00573 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00574 }
00575 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00576 }
00577
00578 <font class="comment">//=================================================================================================</font>
<a name="l00579"></a><a class="code" href="classCVPParser.html#c10">00579</a> <font class="keywordtype">bool</font> <a class="code" href="classCVPParser.html#c10">CVPParser::parseOp3</a>(<a class="code" href="structCVPInstruction.html">CVPInstruction</a> &instr, std::string &errorOutput)
00580 {
00581 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c9">parseOp2</a>(instr, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00582 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00583 <font class="keywordflow">if</font> (*<a class="code" href="classCVPParser.html#o0">_CurrChar</a> != <font class="charliteral">','</font>)
00584 {
00585 errorOutput = <font class="stringliteral">"',' expected."</font>;
00586 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00587 }
00588 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00589 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00590 <font class="comment">// parse src2</font>
00591 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c0">parseOperand</a>(instr.<a class="code" href="structCVPInstruction.html#m3">Src2</a>, <font class="keyword">false</font>, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00592 <font class="keywordflow">if</font> (instr.<a class="code" href="structCVPInstruction.html#m3">Src2</a>.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s4">CVPOperand::AddressRegister</a>
00593 || instr.<a class="code" href="structCVPInstruction.html#m3">Src2</a>.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s3">CVPOperand::OutputRegister</a>)
00594 {
00595 errorOutput = <font class="stringliteral">"Src2 must be constant, variable, or input register."</font>;
00596 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00597 }
00598 <font class="comment">// make sure we do not have 2 =/= contant register as src (or in put register)</font>
00599
00600 <font class="comment">// 2 constant registers ?</font>
00601 <font class="keywordflow">if</font> (instr.<a class="code" href="structCVPInstruction.html#m2">Src1</a>.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s1">CVPOperand::Constant</a>
00602 && instr.<a class="code" href="structCVPInstruction.html#m3">Src2</a>.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s1">CVPOperand::Constant</a>)
00603 {
00604 <font class="comment">// the index must be the same</font>
00605 <font class="keywordflow">if</font> (!
00606 (
00607 instr.<a class="code" href="structCVPInstruction.html#m2">Src1</a>.<a class="code" href="structCVPOperand.html#m6">Indexed</a> == instr.<a class="code" href="structCVPInstruction.html#m3">Src2</a>.<a class="code" href="structCVPOperand.html#m6">Indexed</a>
00608 && instr.<a class="code" href="structCVPInstruction.html#m2">Src1</a>.<a class="code" href="structCVPOperand.html#m5">Value</a>.ConstantValue == instr.<a class="code" href="structCVPInstruction.html#m3">Src2</a>.<a class="code" href="structCVPOperand.html#m5">Value</a>.ConstantValue
00609 )
00610 )
00611 {
00612 errorOutput = <font class="stringliteral">"Can't read 2 different constant registers in a single instruction."</font>;
00613 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00614 }
00615 }
00616
00617 <font class="comment">// 2 input registers ?</font>
00618 <font class="keywordflow">if</font> (instr.<a class="code" href="structCVPInstruction.html#m2">Src1</a>.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s2">CVPOperand::InputRegister</a>
00619 && instr.<a class="code" href="structCVPInstruction.html#m3">Src2</a>.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s2">CVPOperand::InputRegister</a>)
00620 {
00621 <font class="comment">// the index must be the same</font>
00622 <font class="keywordflow">if</font> (instr.<a class="code" href="structCVPInstruction.html#m2">Src1</a>.<a class="code" href="structCVPOperand.html#m5">Value</a>.InputRegisterValue != instr.<a class="code" href="structCVPInstruction.html#m3">Src2</a>.<a class="code" href="structCVPOperand.html#m5">Value</a>.InputRegisterValue)
00623 {
00624 errorOutput = <font class="stringliteral">"Can't read 2 different input registers in a single instruction."</font>;
00625 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00626 }
00627 }
00628 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00629 }
00630
00631 <font class="comment">//=================================================================================================</font>
<a name="l00632"></a><a class="code" href="classCVPParser.html#c11">00632</a> <font class="keywordtype">bool</font> <a class="code" href="classCVPParser.html#c11">CVPParser::parseOp4</a>(<a class="code" href="structCVPInstruction.html">CVPInstruction</a> &instr, std::string &errorOutput)
00633 {
00634 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c10">parseOp3</a>(instr, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00635 <font class="comment">// parse src 3</font>
00636 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00637 <font class="keywordflow">if</font> (*<a class="code" href="classCVPParser.html#o0">_CurrChar</a> != <font class="charliteral">','</font>)
00638 {
00639 errorOutput = <font class="stringliteral">"',' expected."</font>;
00640 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00641 }
00642 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00643 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00644 <font class="comment">// parse src4</font>
00645 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c0">parseOperand</a>(instr.<a class="code" href="structCVPInstruction.html#m4">Src3</a>, <font class="keyword">false</font>, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00646 <font class="keywordflow">if</font> (instr.<a class="code" href="structCVPInstruction.html#m4">Src3</a>.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s4">CVPOperand::AddressRegister</a>
00647 || instr.<a class="code" href="structCVPInstruction.html#m4">Src3</a>.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s3">CVPOperand::OutputRegister</a>)
00648 {
00649 errorOutput = <font class="stringliteral">"Src3 must be constant, variable, or input register."</font>;
00650 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00651 }
00652
00654 <font class="comment">// check for different contant / input registers //</font>
00656 <font class="comment"></font>
00657 <font class="comment">// Duplicated constant register</font>
00658 <font class="keywordflow">if</font> (instr.<a class="code" href="structCVPInstruction.html#m4">Src3</a>.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s1">CVPOperand::Constant</a>)
00659 {
00660 <font class="keywordflow">if</font> (instr.<a class="code" href="structCVPInstruction.html#m2">Src1</a>.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s1">CVPOperand::Constant</a>)
00661 {
00662 <font class="keywordflow">if</font> (!
00663 (
00664 instr.<a class="code" href="structCVPInstruction.html#m2">Src1</a>.<a class="code" href="structCVPOperand.html#m6">Indexed</a> == instr.<a class="code" href="structCVPInstruction.html#m4">Src3</a>.<a class="code" href="structCVPOperand.html#m6">Indexed</a>
00665 && instr.<a class="code" href="structCVPInstruction.html#m2">Src1</a>.<a class="code" href="structCVPOperand.html#m5">Value</a>.ConstantValue == instr.<a class="code" href="structCVPInstruction.html#m4">Src3</a>.<a class="code" href="structCVPOperand.html#m5">Value</a>.ConstantValue
00666 )
00667 )
00668 {
00669 errorOutput = <font class="stringliteral">"Can't read 2 different constant registers in a single instruction."</font>;
00670 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00671 }
00672 }
00673 <font class="keywordflow">if</font> (instr.<a class="code" href="structCVPInstruction.html#m3">Src2</a>.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s1">CVPOperand::Constant</a>)
00674 {
00675 <font class="keywordflow">if</font> (!
00676 (
00677 instr.<a class="code" href="structCVPInstruction.html#m3">Src2</a>.<a class="code" href="structCVPOperand.html#m6">Indexed</a> == instr.<a class="code" href="structCVPInstruction.html#m4">Src3</a>.<a class="code" href="structCVPOperand.html#m6">Indexed</a>
00678 && instr.<a class="code" href="structCVPInstruction.html#m3">Src2</a>.<a class="code" href="structCVPOperand.html#m5">Value</a>.ConstantValue == instr.<a class="code" href="structCVPInstruction.html#m4">Src3</a>.<a class="code" href="structCVPOperand.html#m5">Value</a>.ConstantValue
00679 )
00680 )
00681 {
00682 errorOutput = <font class="stringliteral">"Can't read 2 different constant registers in a single instruction."</font>;
00683 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00684 }
00685 }
00686 }
00687
00688 <font class="comment">// Duplicated input register</font>
00689 <font class="keywordflow">if</font> (instr.<a class="code" href="structCVPInstruction.html#m4">Src3</a>.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s2">CVPOperand::InputRegister</a>)
00690 {
00691 <font class="keywordflow">if</font> (instr.<a class="code" href="structCVPInstruction.html#m2">Src1</a>.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s2">CVPOperand::InputRegister</a>)
00692 {
00693 <font class="keywordflow">if</font> (instr.<a class="code" href="structCVPInstruction.html#m2">Src1</a>.<a class="code" href="structCVPOperand.html#m5">Value</a>.InputRegisterValue != instr.<a class="code" href="structCVPInstruction.html#m4">Src3</a>.<a class="code" href="structCVPOperand.html#m5">Value</a>.InputRegisterValue)
00694 {
00695 errorOutput = <font class="stringliteral">"Can't read 2 different input registers in a single instruction."</font>;
00696 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00697 }
00698 }
00699 <font class="keywordflow">if</font> (instr.<a class="code" href="structCVPInstruction.html#m3">Src2</a>.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s2">CVPOperand::InputRegister</a>)
00700 {
00701 <font class="keywordflow">if</font> (instr.<a class="code" href="structCVPInstruction.html#m3">Src2</a>.<a class="code" href="structCVPOperand.html#m5">Value</a>.InputRegisterValue != instr.<a class="code" href="structCVPInstruction.html#m4">Src3</a>.<a class="code" href="structCVPOperand.html#m5">Value</a>.InputRegisterValue)
00702 {
00703 errorOutput = <font class="stringliteral">"Can't read 2 different input registers in a single instruction."</font>;
00704 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00705 }
00706 }
00707 }
00708
00709
00710 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00711 }
00712
00713 <font class="comment">//=================================================================================================</font>
<a name="l00714"></a><a class="code" href="classCVPParser.html#c8">00714</a> <font class="keywordtype">bool</font> <a class="code" href="classCVPParser.html#c8">CVPParser::parseInstruction</a>(<a class="code" href="structCVPInstruction.html">CVPInstruction</a> &instr, std::string &errorOutput, <font class="keywordtype">bool</font> &endEncountered)
00715 {
00716 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00717 endEncountered = <font class="keyword">false</font>;
00718 uint32 instrStr = 0;
00719 uint k;
00720 <font class="keywordflow">for</font>(k = 0; k < 4; ++k)
00721 {
00722 <font class="keywordflow">if</font> (!isalnum(*<a class="code" href="classCVPParser.html#o0">_CurrChar</a>))
00723 {
00724 <font class="keywordflow">if</font> (k < 3) <font class="comment">// at least 3 letter in an instruction</font>
00725 {
00726 errorOutput = <font class="stringliteral">"Syntax error : can't read opcode."</font>;
00727 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00728 }
00729 <font class="keywordflow">else</font> <font class="keywordflow">break</font>;
00730 }
00731 instrStr |= ((uint) *<a class="code" href="classCVPParser.html#o0">_CurrChar</a>) << (8 * (3 - k));
00732 ++ <a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00733 }
00734 <font class="keywordflow">if</font> (k != 4)
00735 {
00736 instrStr |= (uint32) <font class="charliteral">' '</font>;
00737 }
00738 <font class="keywordflow">switch</font> (instrStr)
00739 {
00740 <font class="keywordflow">case</font> 'ARL ':
00741 instr.<a class="code" href="structCVPInstruction.html#m0">Opcode</a> = <a class="code" href="structCVPInstruction.html#s18s1">CVPInstruction::ARL</a>;
00742 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c9">parseOp2</a>(instr, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00743 <font class="keywordflow">if</font> (!instr.<a class="code" href="structCVPInstruction.html#m2">Src1</a>.<a class="code" href="structCVPOperand.html#m9">Swizzle</a>.<a class="code" href="structCVPSwizzle.html#a0">isScalar</a>())
00744 {
00745 errorOutput = <font class="stringliteral">"ARL need a scalar src value."</font>;
00746 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00747 }
00748 <font class="keywordflow">break</font>;
00749 <font class="keywordflow">case</font> 'RSQ ':
00750 instr.<a class="code" href="structCVPInstruction.html#m0">Opcode</a> = <a class="code" href="structCVPInstruction.html#s18s5">CVPInstruction::RSQ</a>;
00751 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c9">parseOp2</a>(instr, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00752 <font class="keywordflow">if</font> (!instr.<a class="code" href="structCVPInstruction.html#m2">Src1</a>.<a class="code" href="structCVPOperand.html#m9">Swizzle</a>.<a class="code" href="structCVPSwizzle.html#a0">isScalar</a>())
00753 {
00754 errorOutput = <font class="stringliteral">"RSQ need a scalar src value."</font>;
00755 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00756 }
00757 <font class="keywordflow">break</font>;
00758 <font class="keywordflow">case</font> 'EXP ':
00759 <font class="keywordflow">case</font> 'EXPP':
00760 instr.<a class="code" href="structCVPInstruction.html#m0">Opcode</a> = <a class="code" href="structCVPInstruction.html#s18s14">CVPInstruction::EXPP</a>;
00761 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c9">parseOp2</a>(instr, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00762 <font class="keywordflow">if</font> (!instr.<a class="code" href="structCVPInstruction.html#m2">Src1</a>.<a class="code" href="structCVPOperand.html#m9">Swizzle</a>.<a class="code" href="structCVPSwizzle.html#a0">isScalar</a>())
00763 {
00764 errorOutput = <font class="stringliteral">"EXP need a scalar src value."</font>;
00765 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00766 }
00767 <font class="comment">/*</font>
00768 <font class="comment"> if (instr.Src1.Swizzle.Comp[0] != CVPSwizzle.W)</font>
00769 <font class="comment"> {</font>
00770 <font class="comment"> errorOutput = "EXPP input scalar must be w";</font>
00771 <font class="comment"> return false;</font>
00772 <font class="comment"> }*/</font>
00773 <font class="keywordflow">break</font>;
00774 <font class="keywordflow">case</font> 'LOG ':
00775 instr.<a class="code" href="structCVPInstruction.html#m0">Opcode</a> = <a class="code" href="structCVPInstruction.html#s18s15">CVPInstruction::LOG</a>;
00776 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c9">parseOp2</a>(instr, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00777 <font class="keywordflow">if</font> (!instr.<a class="code" href="structCVPInstruction.html#m2">Src1</a>.<a class="code" href="structCVPOperand.html#m9">Swizzle</a>.<a class="code" href="structCVPSwizzle.html#a0">isScalar</a>())
00778 {
00779 errorOutput = <font class="stringliteral">"LOG need a scalar src value."</font>;
00780 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00781 }
00782 <font class="comment">/*</font>
00783 <font class="comment"> if (instr.Src1.Swizzle.Comp[0] != CVPSwizzle.W)</font>
00784 <font class="comment"> {</font>
00785 <font class="comment"> errorOutput = "LOG input scalar must be w";</font>
00786 <font class="comment"> return false;</font>
00787 <font class="comment"> }</font>
00788 <font class="comment"> */</font>
00789 <font class="keywordflow">break</font>;
00790 <font class="keywordflow">case</font> 'RCP ':
00791 instr.<a class="code" href="structCVPInstruction.html#m0">Opcode</a> = <a class="code" href="structCVPInstruction.html#s18s16">CVPInstruction::RCP</a>;
00792 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c9">parseOp2</a>(instr, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00793 <font class="keywordflow">if</font> (!instr.<a class="code" href="structCVPInstruction.html#m2">Src1</a>.<a class="code" href="structCVPOperand.html#m9">Swizzle</a>.<a class="code" href="structCVPSwizzle.html#a0">isScalar</a>())
00794 {
00795 errorOutput = <font class="stringliteral">"RCP need a scalar src value."</font>;
00796 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00797 }
00798 <font class="keywordflow">break</font>;
00800 <font class="keywordflow">case</font> 'MOV ':
00801 instr.<a class="code" href="structCVPInstruction.html#m0">Opcode</a> = <a class="code" href="structCVPInstruction.html#s18s0">CVPInstruction::MOV</a>;
00802 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c9">parseOp2</a>(instr, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00803
00804 <font class="keywordflow">break</font>;
00805 <font class="keywordflow">case</font> 'LIT ':
00806 instr.<a class="code" href="structCVPInstruction.html#m0">Opcode</a> = <a class="code" href="structCVPInstruction.html#s18s9">CVPInstruction::LIT</a>;
00807 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c9">parseOp2</a>(instr, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00808 <font class="keywordflow">break</font>;
00810 <font class="keywordflow">case</font> 'MAD ':
00811 instr.<a class="code" href="structCVPInstruction.html#m0">Opcode</a> = <a class="code" href="structCVPInstruction.html#s18s4">CVPInstruction::MAD</a>;
00812 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c11">parseOp4</a>(instr, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00813 <font class="keywordflow">break</font>;
00815 <font class="keywordflow">case</font> 'ADD ':
00816 instr.<a class="code" href="structCVPInstruction.html#m0">Opcode</a> = <a class="code" href="structCVPInstruction.html#s18s3">CVPInstruction::ADD</a>;
00817 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c10">parseOp3</a>(instr, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00818 <font class="keywordflow">break</font>;
00820 <font class="keywordflow">case</font> 'MUL ':
00821 instr.<a class="code" href="structCVPInstruction.html#m0">Opcode</a> = <a class="code" href="structCVPInstruction.html#s18s2">CVPInstruction::MUL</a>;
00822 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c10">parseOp3</a>(instr, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00823 <font class="keywordflow">break</font>;
00824 <font class="keywordflow">case</font> 'DP3 ':
00825 instr.<a class="code" href="structCVPInstruction.html#m0">Opcode</a> = <a class="code" href="structCVPInstruction.html#s18s6">CVPInstruction::DP3</a>;
00826 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c10">parseOp3</a>(instr, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00827 <font class="keywordflow">break</font>;
00828 <font class="keywordflow">case</font> 'DP4 ':
00829 instr.<a class="code" href="structCVPInstruction.html#m0">Opcode</a> = <a class="code" href="structCVPInstruction.html#s18s7">CVPInstruction::DP4</a>;
00830 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c10">parseOp3</a>(instr, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00831 <font class="keywordflow">break</font>;
00832 <font class="keywordflow">case</font> 'DST ':
00833 instr.<a class="code" href="structCVPInstruction.html#m0">Opcode</a> = <a class="code" href="structCVPInstruction.html#s18s8">CVPInstruction::DST</a>;
00834 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c10">parseOp3</a>(instr, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00835 <font class="keywordflow">break</font>;
00836 <font class="keywordflow">case</font> 'MIN ':
00837 instr.<a class="code" href="structCVPInstruction.html#m0">Opcode</a> = <a class="code" href="structCVPInstruction.html#s18s10">CVPInstruction::MIN</a>;
00838 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c10">parseOp3</a>(instr, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00839 <font class="keywordflow">break</font>;
00840 <font class="keywordflow">case</font> 'MAX ':
00841 instr.<a class="code" href="structCVPInstruction.html#m0">Opcode</a> = <a class="code" href="structCVPInstruction.html#s18s11">CVPInstruction::MAX</a>;
00842 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c10">parseOp3</a>(instr, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00843 <font class="keywordflow">break</font>;
00844 <font class="keywordflow">case</font> 'SLT ':
00845 instr.<a class="code" href="structCVPInstruction.html#m0">Opcode</a> = <a class="code" href="structCVPInstruction.html#s18s12">CVPInstruction::SLT</a>;
00846 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c10">parseOp3</a>(instr, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00847 <font class="keywordflow">break</font>;
00848 <font class="keywordflow">case</font> 'SGE ':
00849 instr.<a class="code" href="structCVPInstruction.html#m0">Opcode</a> = <a class="code" href="structCVPInstruction.html#s18s13">CVPInstruction::SGE</a>;
00850 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c10">parseOp3</a>(instr, errorOutput)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00851 <font class="keywordflow">break</font>;
00853 <font class="keywordflow">case</font> 'END ':
00854 endEncountered = <font class="keyword">true</font>;
00855 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00856 <font class="keywordflow">break</font>;
00857 <font class="keywordflow">default</font>:
00858 errorOutput = <font class="stringliteral">"Syntax error : unknow opcode."</font>;
00859 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00860 <font class="keywordflow">break</font>;
00861 }
00862
00863
00864 <font class="keywordflow">if</font> (instr.<a class="code" href="structCVPInstruction.html#m1">Dest</a>.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s0">CVPOperand::Variable</a>)
00865 {
00866 <a class="code" href="classCVPParser.html#o3">_RegisterMask</a>[instr.<a class="code" href="structCVPInstruction.html#m1">Dest</a>.<a class="code" href="structCVPOperand.html#m5">Value</a>.VariableValue] |= instr.<a class="code" href="structCVPInstruction.html#m1">Dest</a>.<a class="code" href="structCVPOperand.html#m7">WriteMask</a>;
00867 }
00868
00869 <font class="comment">// it is not allowed to write to an adress register except for ARL</font>
00870 <font class="keywordflow">if</font> (instrStr != 'ARL ')
00871 {
00872 <font class="keywordflow">if</font> (instr.<a class="code" href="structCVPInstruction.html#m1">Dest</a>.<a class="code" href="structCVPOperand.html#m0">Type</a> == <a class="code" href="structCVPOperand.html#s40s4">CVPOperand::AddressRegister</a>)
00873 {
00874 errorOutput = <font class="stringliteral">"Can't write to address register."</font>;
00875 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00876 }
00877 }
00878
00879 <font class="comment">// parse semi-colon</font>
00880 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00881 <font class="comment">//</font>
00882 <font class="keywordflow">if</font> (*<a class="code" href="classCVPParser.html#o0">_CurrChar</a> != <font class="charliteral">';'</font>)
00883 {
00884 errorOutput = <font class="stringliteral">"';' expected."</font>;
00885 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00886 }
00887 ++<a class="code" href="classCVPParser.html#o0">_CurrChar</a>;
00888 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00889 }
00890
00891
00892 <font class="comment">//=================================================================================================</font>
<a name="l00893"></a><a class="code" href="vertex__program__parse_8cpp.html#a4">00893</a> <font class="keyword">static</font> std::string <a class="code" href="vertex__program__parse_8cpp.html#a4">getStringUntilCR</a>(<font class="keyword">const</font> <font class="keywordtype">char</font> *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>)
00894 {
00895 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>);
00896 std::string result;
00897 <font class="keywordflow">while</font> (*<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a> != <font class="charliteral">'\n'</font> && *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a> != <font class="charliteral">'\r'</font> && *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a> != <font class="charliteral">'\0'</font>)
00898 {
00899 result += *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>;
00900 ++<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>;
00901 }
00902 <font class="keywordflow">return</font> result;
00903 }
00904
00905 <font class="comment">//=================================================================================================</font>
<a name="l00906"></a><a class="code" href="classCVPParser.html#a0">00906</a> <font class="keywordtype">bool</font> <a class="code" href="classCVPParser.html#a0">CVPParser::parse</a>(<font class="keyword">const</font> <font class="keywordtype">char</font> *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>, <a class="code" href="classCVPParser.html#s0">CVPParser::TProgram</a> &result, std::string &errorOutput)
00907 {
00908 <font class="keywordflow">if</font> (!<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00909 <font class="comment">//</font>
00910 std::fill(<a class="code" href="classCVPParser.html#o3">_RegisterMask</a>, <a class="code" href="classCVPParser.html#o3">_RegisterMask</a> + 96, 0);
00911
00912 <font class="comment">//</font>
00913 <a class="code" href="classCVPParser.html#o0">_CurrChar</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>;
00914 <a class="code" href="classCVPParser.html#o1">_LineStart</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>;
00915 <a class="code" href="classCVPParser.html#o2">_LineIndex</a> = 1;
00916 <font class="comment">//</font>
00917 <a class="code" href="classCVPParser.html#c12">skipSpacesAndComments</a>();
00918
00919 <font class="comment">// parse version</font>
00920 <font class="keywordflow">if</font> ( <a class="code" href="classCVPParser.html#o0">_CurrChar</a>[0] != <font class="charliteral">'!'</font>
00921 || <a class="code" href="classCVPParser.html#o0">_CurrChar</a>[1] != <font class="charliteral">'!'</font>
00922 || <a class="code" href="classCVPParser.html#o0">_CurrChar</a>[2] != <font class="charliteral">'V'</font>
00923 || <a class="code" href="classCVPParser.html#o0">_CurrChar</a>[3] != <font class="charliteral">'P'</font>
00924 || <a class="code" href="classCVPParser.html#o0">_CurrChar</a>[4] != <font class="charliteral">'1'</font>
00925 || <a class="code" href="classCVPParser.html#o0">_CurrChar</a>[5] != <font class="charliteral">'.'</font>
00926 || (<a class="code" href="classCVPParser.html#o0">_CurrChar</a>[6] != <font class="charliteral">'0'</font> && <a class="code" href="classCVPParser.html#o0">_CurrChar</a>[6] != <font class="charliteral">'1'</font>))
00927 {
00928 errorOutput = <font class="stringliteral">"Can't parse version."</font>;
00929 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00930 }
00931 <a class="code" href="classCVPParser.html#o0">_CurrChar</a> += 7;
00932
00933 errorOutput.clear();
00934 <font class="comment">// parse instructions</font>
00935 <font class="keywordtype">bool</font> endEncoutered = <font class="keyword">false</font>;
00936
00937 std::string errorMess;
00938 <font class="keywordflow">for</font>(;;)
00939 {
00940 <a class="code" href="structCVPInstruction.html">CVPInstruction</a> instr;
00941 <font class="keywordflow">if</font> (!<a class="code" href="classCVPParser.html#c8">parseInstruction</a>(instr, errorMess, endEncoutered))
00942 {
00943 errorOutput = std::string(<font class="stringliteral">"CVPParser::parse : Error encountered at line "</font>) + <a class="code" href="namespaceNLMISC.html#a243">NLMISC::toString</a>(<a class="code" href="classCVPParser.html#o2">_LineIndex</a>) + std::string(<font class="stringliteral">" : "</font>) + errorMess + std::string(<font class="stringliteral">" Text : "</font>) + <a class="code" href="vertex__program__parse_8cpp.html#a4">getStringUntilCR</a>(<a class="code" href="classCVPParser.html#o1">_LineStart</a>);
00944 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00945 }
00946 <font class="keywordflow">if</font> (endEncoutered) <font class="keywordflow">break</font>;
00947 result.push_back(instr);
00948 }
00949 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00950 }
00951
00952
00953 <font class="comment">//=================================================================================================</font>
<a name="l00954"></a><a class="code" href="vertex__program__parse_8cpp.html#a0">00954</a> <font class="keyword">static</font> <font class="keyword">const</font> <font class="keywordtype">char</font> *<a class="code" href="vertex__program__parse_8cpp.html#a0">instrToName</a>[] =
00955 {
00956 <font class="stringliteral">"MOV "</font>,
00957 <font class="stringliteral">"ARL "</font>,
00958 <font class="stringliteral">"MUL "</font>,
00959 <font class="stringliteral">"ADD "</font>,
00960 <font class="stringliteral">"MAD "</font>,
00961 <font class="stringliteral">"RSQ "</font>,
00962 <font class="stringliteral">"DP3 "</font>,
00963 <font class="stringliteral">"DP4 "</font>,
00964 <font class="stringliteral">"DST "</font>,
00965 <font class="stringliteral">"LIT "</font>,
00966 <font class="stringliteral">"MIN "</font>,
00967 <font class="stringliteral">"MAX "</font>,
00968 <font class="stringliteral">"SLT "</font>,
00969 <font class="stringliteral">"SGE "</font>,
00970 <font class="stringliteral">"EXPP "</font>,
00971 <font class="stringliteral">"LOG "</font>,
00972 <font class="stringliteral">"RCP "</font>
00973 };
00974
00975 <font class="comment">//=================================================================================================</font>
<a name="l00976"></a><a class="code" href="vertex__program__parse_8cpp.html#a1">00976</a> <font class="keyword">static</font> <font class="keyword">const</font> <font class="keywordtype">char</font> *<a class="code" href="vertex__program__parse_8cpp.html#a1">outputRegisterToName</a>[] =
00977 {
00978 <font class="stringliteral">"HPOS"</font>,
00979 <font class="stringliteral">"COL0"</font>,
00980 <font class="stringliteral">"COL1"</font>,
00981 <font class="stringliteral">"BFC0"</font>,
00982 <font class="stringliteral">"BFC1"</font>,
00983 <font class="stringliteral">"FOGC"</font>,
00984 <font class="stringliteral">"PSIZ"</font>,
00985 <font class="stringliteral">"TEX0"</font>,
00986 <font class="stringliteral">"TEX1"</font>,
00987 <font class="stringliteral">"TEX2"</font>,
00988 <font class="stringliteral">"TEX3"</font>,
00989 <font class="stringliteral">"TEX4"</font>,
00990 <font class="stringliteral">"TEX5"</font>,
00991 <font class="stringliteral">"TEX6"</font>,
00992 <font class="stringliteral">"TEX7"</font>
00993 };
00994
00995
00996 <font class="comment">//=================================================================================================</font>
<a name="l00997"></a><a class="code" href="vertex__program__parse_8cpp.html#a5">00997</a> <font class="keyword">static</font> <font class="keywordtype">void</font> <a class="code" href="vertex__program__parse_8cpp.html#a5">dumpWriteMask</a>(uint mask, std::string &out)
00998 {
00999 <font class="keywordflow">if</font> (mask == 0xf)
01000 {
01001 out = <font class="stringliteral">""</font>;
01002 <font class="keywordflow">return</font>;
01003 }
01004 out = <font class="stringliteral">"."</font>;
01005 <font class="keywordflow">if</font> (mask & 1) out +=<font class="stringliteral">"x"</font>;
01006 <font class="keywordflow">if</font> (mask & 2) out +=<font class="stringliteral">"y"</font>;
01007 <font class="keywordflow">if</font> (mask & 4) out +=<font class="stringliteral">"z"</font>;
01008 <font class="keywordflow">if</font> (mask & 8) out +=<font class="stringliteral">"w"</font>;
01009 }
01010
01011 <font class="comment">//=================================================================================================</font>
<a name="l01012"></a><a class="code" href="vertex__program__parse_8cpp.html#a6">01012</a> <font class="keyword">static</font> <font class="keywordtype">void</font> <a class="code" href="vertex__program__parse_8cpp.html#a6">dumpSwizzle</a>(<font class="keyword">const</font> <a class="code" href="structCVPSwizzle.html">CVPSwizzle</a> &swz, std::string &out)
01013 {
01014 <font class="keywordflow">if</font> (swz.<a class="code" href="structCVPSwizzle.html#a1">isIdentity</a>())
01015 {
01016 out = <font class="stringliteral">""</font>;
01017 <font class="keywordflow">return</font>;
01018 }
01019 out = <font class="stringliteral">"."</font>;
01020 <font class="keywordflow">for</font>(uint k = 0; k < 4; ++k)
01021 {
01022 <font class="keywordflow">switch</font>(swz.<a class="code" href="structCVPSwizzle.html#m0">Comp</a>[k])
01023 {
01024 <font class="keywordflow">case</font> <a class="code" href="structCVPSwizzle.html#s4s0">CVPSwizzle::X</a>: out += <font class="stringliteral">"x"</font>; <font class="keywordflow">break</font>;
01025 <font class="keywordflow">case</font> <a class="code" href="structCVPSwizzle.html#s4s1">CVPSwizzle::Y</a>: out += <font class="stringliteral">"y"</font>; <font class="keywordflow">break</font>;
01026 <font class="keywordflow">case</font> <a class="code" href="structCVPSwizzle.html#s4s2">CVPSwizzle::Z</a>: out += <font class="stringliteral">"z"</font>; <font class="keywordflow">break</font>;
01027 <font class="keywordflow">case</font> <a class="code" href="structCVPSwizzle.html#s4s3">CVPSwizzle::W</a>: out += <font class="stringliteral">"w"</font>; <font class="keywordflow">break</font>;
01028 <font class="keywordflow">default</font>:
01029 <a class="code" href="debug_8h.html#a6">nlassert</a>(0);
01030 <font class="keywordflow">break</font>;
01031 }
01032 <font class="keywordflow">if</font> (swz.<a class="code" href="structCVPSwizzle.html#a0">isScalar</a>() && k == 0) <font class="keywordflow">break</font>;
01033 }
01034
01035 }
01036
01037 <font class="comment">//=================================================================================================</font>
<a name="l01038"></a><a class="code" href="vertex__program__parse_8cpp.html#a7">01038</a> <font class="keyword">static</font> <font class="keywordtype">void</font> <a class="code" href="vertex__program__parse_8cpp.html#a7">dumpOperand</a>(<font class="keyword">const</font> <a class="code" href="structCVPOperand.html">CVPOperand</a> &op, <font class="keywordtype">bool</font> destOperand, std::string &out)
01039 {
01040 out = op.<a class="code" href="structCVPOperand.html#m8">Negate</a> ? <font class="stringliteral">" -"</font> : <font class="stringliteral">" "</font>;
01041 <font class="keywordflow">switch</font>(op.<a class="code" href="structCVPOperand.html#m0">Type</a>)
01042 {
01043 <font class="keywordflow">case</font> <a class="code" href="structCVPOperand.html#s40s0">CVPOperand::Variable</a>: out += <font class="stringliteral">"R"</font> + <a class="code" href="namespaceNLMISC.html#a243">NLMISC::toString</a>(op.<a class="code" href="structCVPOperand.html#m5">Value</a>.VariableValue); <font class="keywordflow">break</font>;
01044 <font class="keywordflow">case</font> <a class="code" href="structCVPOperand.html#s40s1">CVPOperand::Constant</a>:
01045 out += <font class="stringliteral">"c["</font>;
01046 <font class="keywordflow">if</font> (op.<a class="code" href="structCVPOperand.html#m6">Indexed</a>)
01047 {
01048 out += <font class="stringliteral">"A0.x + "</font>;
01049 }
01050 out += <a class="code" href="namespaceNLMISC.html#a243">NLMISC::toString</a>(op.<a class="code" href="structCVPOperand.html#m5">Value</a>.ConstantValue) + <font class="stringliteral">"]"</font>;
01051 <font class="keywordflow">break</font>;
01052 <font class="keywordflow">case</font> <a class="code" href="structCVPOperand.html#s40s2">CVPOperand::InputRegister</a>: out += <font class="stringliteral">"v["</font> + <a class="code" href="namespaceNLMISC.html#a243">NLMISC::toString</a>((uint) op.<a class="code" href="structCVPOperand.html#m5">Value</a>.InputRegisterValue) + <font class="stringliteral">"]"</font>; <font class="keywordflow">break</font>;
01053 <font class="keywordflow">case</font> <a class="code" href="structCVPOperand.html#s40s3">CVPOperand::OutputRegister</a>:
01054 <a class="code" href="debug_8h.html#a6">nlassert</a>(op.<a class="code" href="structCVPOperand.html#m5">Value</a>.OutputRegisterValue < <a class="code" href="structCVPOperand.html#s42s39">CVPOperand::OutputRegisterCount</a>);
01055 out += <font class="stringliteral">"o["</font> + std::string(<a class="code" href="vertex__program__parse_8cpp.html#a1">outputRegisterToName</a>[op.<a class="code" href="structCVPOperand.html#m5">Value</a>.OutputRegisterValue]) + <font class="stringliteral">"]"</font>;
01056 <font class="keywordflow">break</font>;
01057 <font class="keywordflow">case</font> <a class="code" href="structCVPOperand.html#s40s4">CVPOperand::AddressRegister</a>:
01058 out += <font class="stringliteral">"A0.x"</font>;
01059 <font class="keywordflow">break</font>;
01060 }
01061 std::string suffix;
01062 <font class="keywordflow">if</font> (destOperand)
01063 {
01064 <a class="code" href="vertex__program__parse_8cpp.html#a5">dumpWriteMask</a>(op.<a class="code" href="structCVPOperand.html#m7">WriteMask</a>, suffix);
01065 }
01066 <font class="keywordflow">else</font>
01067 {
01068 <a class="code" href="vertex__program__parse_8cpp.html#a6">dumpSwizzle</a>(op.<a class="code" href="structCVPOperand.html#m9">Swizzle</a>, suffix);
01069 }
01070 out += suffix;
01071 }
01072
01073 <font class="comment">//=================================================================================================</font>
<a name="l01076"></a><a class="code" href="vertex__program__parse_8cpp.html#a8">01076</a> <font class="comment"></font><font class="keyword">static</font> <font class="keywordtype">void</font> <a class="code" href="vertex__program__parse_8cpp.html#a8">dumpInstr</a>(<font class="keyword">const</font> <a class="code" href="structCVPInstruction.html">CVPInstruction</a> &instr, std::string &out)
01077 {
01078 <a class="code" href="debug_8h.html#a6">nlassert</a>(instr.<a class="code" href="structCVPInstruction.html#m0">Opcode</a> < <a class="code" href="structCVPInstruction.html#s18s17">CVPInstruction::OpcodeCount</a>)
01079 out = <a class="code" href="vertex__program__parse_8cpp.html#a0">instrToName</a>[instr.<a class="code" href="structCVPInstruction.html#m0">Opcode</a>];
01080 uint nbOp = instr.<a class="code" href="structCVPInstruction.html#a1">getNumUsedSrc</a>();
01081 std::string destOperand;
01082 <a class="code" href="vertex__program__parse_8cpp.html#a7">dumpOperand</a>(instr.<a class="code" href="structCVPInstruction.html#m1">Dest</a>, <font class="keyword">true</font>, destOperand);
01083 out += destOperand;
01084 <font class="keywordflow">for</font>(uint k = 0; k < nbOp; ++k)
01085 {
01086 out += <font class="stringliteral">", "</font>;
01087 std::string srcOperand;
01088 <a class="code" href="vertex__program__parse_8cpp.html#a7">dumpOperand</a>(instr.<a class="code" href="structCVPInstruction.html#a0">getSrc</a>(k), <font class="keyword">false</font>, srcOperand);
01089 out += srcOperand;
01090 }
01091 out +=<font class="stringliteral">"; \n"</font>;
01092 }
01093
01094 <font class="comment">//=================================================================================================</font>
<a name="l01095"></a><a class="code" href="classCVPParser.html#d0">01095</a> <font class="keywordtype">void</font> <a class="code" href="classCVPParser.html#d0">CVPParser::dump</a>(<font class="keyword">const</font> TProgram &prg, std::string &dest)
01096 {
01097 dest = <font class="stringliteral">"!!VP1.0 \n"</font>;
01098 <font class="keywordflow">for</font>(uint k = 0; k < prg.size(); ++k)
01099 {
01100 std::string instr;
01101 <a class="code" href="vertex__program__parse_8cpp.html#a8">dumpInstr</a>(prg[k], instr);
01102 dest += instr;
01103 }
01104 dest +=<font class="stringliteral">"END"</font>;
01105 }
01106
01107
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