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      1 // Copyright 2016 The SwiftShader Authors. All Rights Reserved.
      2 //
      3 // Licensed under the Apache License, Version 2.0 (the "License");
      4 // you may not use this file except in compliance with the License.
      5 // You may obtain a copy of the License at
      6 //
      7 //    http://www.apache.org/licenses/LICENSE-2.0
      8 //
      9 // Unless required by applicable law or agreed to in writing, software
     10 // distributed under the License is distributed on an "AS IS" BASIS,
     11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12 // See the License for the specific language governing permissions and
     13 // limitations under the License.
     14 
     15 #include "SwiftConfig.hpp"
     16 
     17 #include "Configurator.hpp"
     18 #include "Debug.hpp"
     19 #include "Config.hpp"
     20 #include "Version.h"
     21 
     22 #include <sstream>
     23 #include <stdio.h>
     24 #include <time.h>
     25 #include <sys/stat.h>
     26 #include <string.h>
     27 
     28 namespace sw
     29 {
     30 	extern Profiler profiler;
     31 
     32 	std::string itoa(int number)
     33 	{
     34 		std::stringstream ss;
     35 		ss << number;
     36 		return ss.str();
     37 	}
     38 
     39 	std::string ftoa(double number)
     40 	{
     41 		std::stringstream ss;
     42 		ss << number;
     43 		return ss.str();
     44 	}
     45 
     46 	SwiftConfig::SwiftConfig(bool disableServerOverride) : listenSocket(0)
     47 	{
     48 		readConfiguration(disableServerOverride);
     49 
     50 		if(!disableServerOverride)
     51 		{
     52 			writeConfiguration();
     53 		}
     54 
     55 		receiveBuffer = 0;
     56 
     57 		if(!config.disableServer)
     58 		{
     59 			createServer();
     60 		}
     61 	}
     62 
     63 	SwiftConfig::~SwiftConfig()
     64 	{
     65 		destroyServer();
     66 	}
     67 
     68 	void SwiftConfig::createServer()
     69 	{
     70 		bufferLength = 16 * 1024;
     71 		receiveBuffer = new char[bufferLength];
     72 
     73 		Socket::startup();
     74 		listenSocket = new Socket("localhost", "8080");
     75 		listenSocket->listen();
     76 
     77 		terminate = false;
     78 		serverThread = new Thread(serverRoutine, this);
     79 	}
     80 
     81 	void SwiftConfig::destroyServer()
     82 	{
     83 		if(receiveBuffer)
     84 		{
     85 			terminate = true;
     86 			serverThread->join();
     87 			delete serverThread;
     88 
     89 			delete listenSocket;
     90 			listenSocket = 0;
     91 
     92 			Socket::cleanup();
     93 
     94 			delete[] receiveBuffer;
     95 			receiveBuffer = 0;
     96 		}
     97 	}
     98 
     99 	bool SwiftConfig::hasNewConfiguration(bool reset)
    100 	{
    101 		bool value = newConfig;
    102 
    103 		if(reset)
    104 		{
    105 			newConfig = false;
    106 		}
    107 
    108 		return value;
    109 	}
    110 
    111 	void SwiftConfig::getConfiguration(Configuration &configuration)
    112 	{
    113 		criticalSection.lock();
    114 		configuration = config;
    115 		criticalSection.unlock();
    116 	}
    117 
    118 	void SwiftConfig::serverRoutine(void *parameters)
    119 	{
    120 		SwiftConfig *swiftConfig = (SwiftConfig*)parameters;
    121 
    122 		swiftConfig->serverLoop();
    123 	}
    124 
    125 	void SwiftConfig::serverLoop()
    126 	{
    127 		readConfiguration();
    128 
    129 		while(!terminate)
    130 		{
    131 			if(listenSocket->select(100000))
    132 			{
    133 				Socket *clientSocket = listenSocket->accept();
    134 				int bytesReceived = 1;
    135 
    136 				while(bytesReceived > 0 && !terminate)
    137 				{
    138 					if(clientSocket->select(10))
    139 					{
    140 						bytesReceived = clientSocket->receive(receiveBuffer, bufferLength);
    141 
    142 						if(bytesReceived > 0)
    143 						{
    144 							receiveBuffer[bytesReceived] = 0;
    145 
    146 							respond(clientSocket, receiveBuffer);
    147 						}
    148 					}
    149 				}
    150 
    151 				delete clientSocket;
    152 			}
    153 		}
    154 	}
    155 
    156 	bool match(const char **url, const char *string)
    157 	{
    158 		size_t length = strlen(string);
    159 
    160 		if(strncmp(*url, string, length) == 0)
    161 		{
    162 			*url += length;
    163 
    164 			return true;
    165 		}
    166 
    167 		return false;
    168 	}
    169 
    170 	void SwiftConfig::respond(Socket *clientSocket, const char *request)
    171 	{
    172 		if(match(&request, "GET /"))
    173 		{
    174 			if(match(&request, "swiftshader") || match(&request, "swiftconfig"))
    175 			{
    176 				if(match(&request, " ") || match(&request, "/ "))
    177 				{
    178 					return send(clientSocket, OK, page());
    179 				}
    180 			}
    181 		}
    182 		else if(match(&request, "POST /"))
    183 		{
    184 			if(match(&request, "swiftshader") || match(&request, "swiftconfig"))
    185 			{
    186 				if(match(&request, " ") || match(&request, "/ "))
    187 				{
    188 					criticalSection.lock();
    189 
    190 					const char *postData = strstr(request, "\r\n\r\n");
    191 					postData = postData ? postData + 4 : 0;
    192 
    193 					if(postData && strlen(postData) > 0)
    194 					{
    195 						parsePost(postData);
    196 					}
    197 					else   // POST data in next packet
    198 					{
    199 						int bytesReceived = clientSocket->receive(receiveBuffer, bufferLength);
    200 
    201 						if(bytesReceived > 0)
    202 						{
    203 							receiveBuffer[bytesReceived] = 0;
    204 							parsePost(receiveBuffer);
    205 						}
    206 					}
    207 
    208 					writeConfiguration();
    209 					newConfig = true;
    210 
    211 					if(config.disableServer)
    212 					{
    213 						destroyServer();
    214 					}
    215 
    216 					criticalSection.unlock();
    217 
    218 					return send(clientSocket, OK, page());
    219 				}
    220 				else if(match(&request, "/profile "))
    221 				{
    222 					return send(clientSocket, OK, profile());
    223 				}
    224 			}
    225 		}
    226 
    227 		return send(clientSocket, NotFound);
    228 	}
    229 
    230 	std::string SwiftConfig::page()
    231 	{
    232 		std::string html;
    233 
    234 		const std::string selected = "selected='selected'";
    235 		const std::string checked = "checked='checked'";
    236 		const std::string empty = "";
    237 
    238 		html += "<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01//EN' 'http://www.w3.org/TR/html4/strict.dtd'>\n";
    239 		html += "<html>\n";
    240 		html += "<head>\n";
    241 		html += "<meta http-equiv='content-type' content='text/html; charset=UTF-8'>\n";
    242 		html += "<title>SwiftShader Configuration Panel</title>\n";
    243 		html += "</head>\n";
    244 		html += "<body>\n";
    245 		html += "<script type='text/javascript'>\n";
    246 		html += "request();\n";
    247 		html += "function request()\n";
    248 		html += "{\n";
    249 		html += "var xhr = new XMLHttpRequest();\n";
    250 		html += "xhr.open('POST', 'http://localhost:8080/swiftshader/profile', true);\n";
    251 		html += "xhr.onreadystatechange = function()\n";
    252 		html += "{\n";
    253 		html += "if(xhr.readyState == 4 && xhr.status == 200)\n";
    254 		html += "{\n";
    255 		html += "document.getElementById('profile').innerHTML = xhr.responseText;\n";
    256 		html += "setTimeout('request()', 1000);\n";
    257 		html += "}\n";
    258 		html += "}\n";
    259 		html += "xhr.send();\n";
    260 		html += "}\n";
    261 		html += "</script>\n";
    262 		html += "<form method='POST' action=''>\n";
    263 		html += "<h1>SwiftShader Configuration Panel</h1>\n";
    264 		html += "<div id='profile'>" + profile() + "</div>\n";
    265 		html += "<hr><p>\n";
    266 		html += "<input type='submit' value='Apply changes' title='Click to apply all settings.'>\n";
    267 	//	html += "<input type='reset' value='Reset changes' title='Click to reset your changes to the previous value.'>\n";
    268 		html += "</p><hr>\n";
    269 		html += "<h2><em>Device capabilities</em></h2>\n";
    270 		html += "<table>\n";
    271 		html += "<tr><td>Build revision:</td><td>" REVISION_STRING "</td></tr>\n";
    272 		html += "<tr><td>Pixel shader model:</td><td><select name='pixelShaderVersion' title='The highest version of pixel shader supported by SwiftShader. Lower versions might be faster if supported by the application. Only effective after restarting the application.'>\n";
    273 		html += "<option value='0'"  + (config.pixelShaderVersion ==  0 ? selected : empty) + ">0.0</option>\n";
    274 		html += "<option value='11'" + (config.pixelShaderVersion == 11 ? selected : empty) + ">1.1</option>\n";
    275 		html += "<option value='12'" + (config.pixelShaderVersion == 12 ? selected : empty) + ">1.2</option>\n";
    276 		html += "<option value='13'" + (config.pixelShaderVersion == 13 ? selected : empty) + ">1.3</option>\n";
    277 		html += "<option value='14'" + (config.pixelShaderVersion == 14 ? selected : empty) + ">1.4</option>\n";
    278 		html += "<option value='20'" + (config.pixelShaderVersion == 20 ? selected : empty) + ">2.0</option>\n";
    279 		html += "<option value='21'" + (config.pixelShaderVersion == 21 ? selected : empty) + ">2.x</option>\n";
    280 		html += "<option value='30'" + (config.pixelShaderVersion == 30 ? selected : empty) + ">3.0 (default)</option>\n";
    281 		html += "</select></td></tr>\n";
    282 		html += "<tr><td>Vertex shader model:</td><td><select name='vertexShaderVersion' title='The highest version of vertex shader supported by SwiftShader. Lower versions might be faster if supported by the application. Only effective after restarting the application.'>\n";
    283 		html += "<option value='0'"  + (config.vertexShaderVersion ==  0 ? selected : empty) + ">0.0</option>\n";
    284 		html += "<option value='11'" + (config.vertexShaderVersion == 11 ? selected : empty) + ">1.1</option>\n";
    285 		html += "<option value='20'" + (config.vertexShaderVersion == 20 ? selected : empty) + ">2.0</option>\n";
    286 		html += "<option value='21'" + (config.vertexShaderVersion == 21 ? selected : empty) + ">2.x</option>\n";
    287 		html += "<option value='30'" + (config.vertexShaderVersion == 30 ? selected : empty) + ">3.0 (default)</option>\n";
    288 		html += "</select></td></tr>\n";
    289 		html += "<tr><td>Texture memory:</td><td><select name='textureMemory' title='The maximum amount of memory used for textures and other resources.'>\n";
    290 		html += "<option value='128'"  + (config.textureMemory == 128  ? selected : empty) + ">128 MB</option>\n";
    291 		html += "<option value='256'"  + (config.textureMemory == 256  ? selected : empty) + ">256 MB (default)</option>\n";
    292 		html += "<option value='512'"  + (config.textureMemory == 512  ? selected : empty) + ">512 MB</option>\n";
    293 		html += "<option value='1024'" + (config.textureMemory == 1024 ? selected : empty) + ">1024 MB</option>\n";
    294 		html += "<option value='2048'" + (config.textureMemory == 2048 ? selected : empty) + ">2048 MB</option>\n";
    295 		html += "</select></td></tr>\n";
    296 		html += "<tr><td>Device identifier:</td><td><select name='identifier' title='The information used by some applications to determine device capabilities.'>\n";
    297 		html += "<option value='0'" + (config.identifier == 0 ? selected : empty) + ">Google SwiftShader (default)</option>\n";
    298 		html += "<option value='1'" + (config.identifier == 1 ? selected : empty) + ">NVIDIA GeForce 7900 GS</option>\n";
    299 		html += "<option value='2'" + (config.identifier == 2 ? selected : empty) + ">ATI Mobility Radeon X1600</option>\n";
    300 		html += "<option value='3'" + (config.identifier == 3 ? selected : empty) + ">Intel GMA X3100</option>\n";
    301 		html += "<option value='4'" + (config.identifier == 4 ? selected : empty) + ">System device</option>\n";
    302 		html += "</select></td></tr>\n";
    303 		html += "</table>\n";
    304 		html += "<h2><em>Cache sizes</em></h2>\n";
    305 		html += "<table>\n";
    306 		html += "<tr><td>Vertex routine cache size:</td><td><select name='vertexRoutineCacheSize' title='The number of dynamically generated vertex processing routines being cached for reuse. Lower numbers save memory but require more routines to be regenerated.'>\n";
    307 		html += "<option value='64'"   + (config.vertexRoutineCacheSize == 64   ? selected : empty) + ">64</option>\n";
    308 		html += "<option value='128'"  + (config.vertexRoutineCacheSize == 128  ? selected : empty) + ">128</option>\n";
    309 		html += "<option value='256'"  + (config.vertexRoutineCacheSize == 256  ? selected : empty) + ">256</option>\n";
    310 		html += "<option value='512'"  + (config.vertexRoutineCacheSize == 512  ? selected : empty) + ">512</option>\n";
    311 		html += "<option value='1024'" + (config.vertexRoutineCacheSize == 1024 ? selected : empty) + ">1024 (default)</option>\n";
    312 		html += "<option value='2048'" + (config.vertexRoutineCacheSize == 2048 ? selected : empty) + ">2048</option>\n";
    313 		html += "<option value='4096'" + (config.vertexRoutineCacheSize == 4096 ? selected : empty) + ">4096</option>\n";
    314 		html += "</select></td>\n";
    315 		html += "</tr>\n";
    316 		html += "<tr><td>Pixel routine cache size:</td><td><select name='pixelRoutineCacheSize' title='The number of dynamically generated pixel processing routines being cached for reuse. Lower numbers save memory but require more routines to be regenerated.'>\n";
    317 		html += "<option value='64'"   + (config.pixelRoutineCacheSize == 64   ? selected : empty) + ">64</option>\n";
    318 		html += "<option value='128'"  + (config.pixelRoutineCacheSize == 128  ? selected : empty) + ">128</option>\n";
    319 		html += "<option value='256'"  + (config.pixelRoutineCacheSize == 256  ? selected : empty) + ">256</option>\n";
    320 		html += "<option value='512'"  + (config.pixelRoutineCacheSize == 512  ? selected : empty) + ">512</option>\n";
    321 		html += "<option value='1024'" + (config.pixelRoutineCacheSize == 1024 ? selected : empty) + ">1024 (default)</option>\n";
    322 		html += "<option value='2048'" + (config.pixelRoutineCacheSize == 2048 ? selected : empty) + ">2048</option>\n";
    323 		html += "<option value='4096'" + (config.pixelRoutineCacheSize == 4096 ? selected : empty) + ">4096</option>\n";
    324 		html += "</select></td>\n";
    325 		html += "</tr>\n";
    326 		html += "<tr><td>Setup routine cache size:</td><td><select name='setupRoutineCacheSize' title='The number of dynamically generated primitive setup routines being cached for reuse. Lower numbers save memory but require more routines to be regenerated.'>\n";
    327 		html += "<option value='64'"   + (config.setupRoutineCacheSize == 64   ? selected : empty) + ">64</option>\n";
    328 		html += "<option value='128'"  + (config.setupRoutineCacheSize == 128  ? selected : empty) + ">128</option>\n";
    329 		html += "<option value='256'"  + (config.setupRoutineCacheSize == 256  ? selected : empty) + ">256</option>\n";
    330 		html += "<option value='512'"  + (config.setupRoutineCacheSize == 512  ? selected : empty) + ">512</option>\n";
    331 		html += "<option value='1024'" + (config.setupRoutineCacheSize == 1024 ? selected : empty) + ">1024 (default)</option>\n";
    332 		html += "<option value='2048'" + (config.setupRoutineCacheSize == 2048 ? selected : empty) + ">2048</option>\n";
    333 		html += "<option value='4096'" + (config.setupRoutineCacheSize == 4096 ? selected : empty) + ">4096</option>\n";
    334 		html += "</select></td>\n";
    335 		html += "</tr>\n";
    336 		html += "<tr><td>Vertex cache size:</td><td><select name='vertexCacheSize' title='The number of processed vertices being cached for reuse. Lower numbers save memory but require more vertices to be reprocessed.'>\n";
    337 		html += "<option value='64'"   + (config.vertexCacheSize == 64   ? selected : empty) + ">64 (default)</option>\n";
    338 		html += "</select></td>\n";
    339 		html += "</tr>\n";
    340 		html += "</table>\n";
    341 		html += "<h2><em>Quality</em></h2>\n";
    342 		html += "<table>\n";
    343 		html += "<tr><td>Maximum texture sampling quality:</td><td><select name='textureSampleQuality' title='The maximum texture filtering quality. Lower settings can be faster but cause visual artifacts.'>\n";
    344 		html += "<option value='0'" + (config.textureSampleQuality == 0 ? selected : empty) + ">Point</option>\n";
    345 		html += "<option value='1'" + (config.textureSampleQuality == 1 ? selected : empty) + ">Linear</option>\n";
    346 		html += "<option value='2'" + (config.textureSampleQuality == 2 ? selected : empty) + ">Anisotropic (default)</option>\n";
    347 		html += "</select></td>\n";
    348 		html += "</tr>\n";
    349 		html += "<tr><td>Maximum mipmapping quality:</td><td><select name='mipmapQuality' title='The maximum mipmap filtering quality. Higher settings can be more visually appealing but are slower.'>\n";
    350 		html += "<option value='0'" + (config.mipmapQuality == 0 ? selected : empty) + ">Point</option>\n";
    351 		html += "<option value='1'" + (config.mipmapQuality == 1 ? selected : empty) + ">Linear (default)</option>\n";
    352 		html += "</select></td>\n";
    353 		html += "</tr>\n";
    354 		html += "<tr><td>Perspective correction:</td><td><select name='perspectiveCorrection' title='Enables or disables perspective correction. Disabling it is faster but can causes distortion. Recommended for 2D applications only.'>\n";
    355 		html += "<option value='0'" + (config.perspectiveCorrection == 0 ? selected : empty) + ">Off</option>\n";
    356 		html += "<option value='1'" + (config.perspectiveCorrection == 1 ? selected : empty) + ">On (default)</option>\n";
    357 		html += "</select></td>\n";
    358 		html += "</tr>\n";
    359 		html += "<tr><td>Transcendental function precision:</td><td><select name='transcendentalPrecision' title='The precision at which log/exp/pow/rcp/rsq/nrm shader instructions are computed. Lower settings can be faster but cause visual artifacts.'>\n";
    360 		html += "<option value='0'" + (config.transcendentalPrecision == 0 ? selected : empty) + ">Approximate</option>\n";
    361 		html += "<option value='1'" + (config.transcendentalPrecision == 1 ? selected : empty) + ">Partial</option>\n";
    362 		html += "<option value='2'" + (config.transcendentalPrecision == 2 ? selected : empty) + ">Accurate (default)</option>\n";
    363 		html += "<option value='3'" + (config.transcendentalPrecision == 3 ? selected : empty) + ">WHQL</option>\n";
    364 		html += "<option value='4'" + (config.transcendentalPrecision == 4 ? selected : empty) + ">IEEE</option>\n";
    365 		html += "</select></td>\n";
    366 		html += "</tr>\n";
    367 		html += "<tr><td>Transparency anti-aliasing:</td><td><select name='transparencyAntialiasing' title='The technique used to anti-alias alpha-tested transparent textures.'>\n";
    368 		html += "<option value='0'" + (config.transparencyAntialiasing == 0 ? selected : empty) + ">None (default)</option>\n";
    369 		html += "<option value='1'" + (config.transparencyAntialiasing == 1 ? selected : empty) + ">Alpha-to-Coverage</option>\n";
    370 		html += "</select></td>\n";
    371 		html += "</table>\n";
    372 		html += "<h2><em>Processor settings</em></h2>\n";
    373 		html += "<table>\n";
    374 		html += "<tr><td>Number of threads:</td><td><select name='threadCount' title='The number of rendering threads to be used.'>\n";
    375 		html += "<option value='-1'" + (config.threadCount == -1 ? selected : empty) + ">Core count</option>\n";
    376 		html += "<option value='0'"  + (config.threadCount == 0  ? selected : empty) + ">Process affinity (default)</option>\n";
    377 		html += "<option value='1'"  + (config.threadCount == 1  ? selected : empty) + ">1</option>\n";
    378 		html += "<option value='2'"  + (config.threadCount == 2  ? selected : empty) + ">2</option>\n";
    379 		html += "<option value='3'"  + (config.threadCount == 3  ? selected : empty) + ">3</option>\n";
    380 		html += "<option value='4'"  + (config.threadCount == 4  ? selected : empty) + ">4</option>\n";
    381 		html += "<option value='5'"  + (config.threadCount == 5  ? selected : empty) + ">5</option>\n";
    382 		html += "<option value='6'"  + (config.threadCount == 6  ? selected : empty) + ">6</option>\n";
    383 		html += "<option value='7'"  + (config.threadCount == 7  ? selected : empty) + ">7</option>\n";
    384 		html += "<option value='8'"  + (config.threadCount == 8  ? selected : empty) + ">8</option>\n";
    385 		html += "<option value='9'"  + (config.threadCount == 9  ? selected : empty) + ">9</option>\n";
    386 		html += "<option value='10'" + (config.threadCount == 10 ? selected : empty) + ">10</option>\n";
    387 		html += "<option value='11'" + (config.threadCount == 11 ? selected : empty) + ">11</option>\n";
    388 		html += "<option value='12'" + (config.threadCount == 12 ? selected : empty) + ">12</option>\n";
    389 		html += "<option value='13'" + (config.threadCount == 13 ? selected : empty) + ">13</option>\n";
    390 		html += "<option value='14'" + (config.threadCount == 14 ? selected : empty) + ">14</option>\n";
    391 		html += "<option value='15'" + (config.threadCount == 15 ? selected : empty) + ">15</option>\n";
    392 		html += "<option value='16'" + (config.threadCount == 16 ? selected : empty) + ">16</option>\n";
    393 		html += "</select></td></tr>\n";
    394 		html += "<tr><td>Enable SSE:</td><td><input name = 'enableSSE' type='checkbox'" + (config.enableSSE ? checked : empty) + " disabled='disabled' title='If checked enables the use of SSE instruction set extentions if supported by the CPU.'></td></tr>";
    395 		html += "<tr><td>Enable SSE2:</td><td><input name = 'enableSSE2' type='checkbox'" + (config.enableSSE2 ? checked : empty) + " title='If checked enables the use of SSE2 instruction set extentions if supported by the CPU.'></td></tr>";
    396 		html += "<tr><td>Enable SSE3:</td><td><input name = 'enableSSE3' type='checkbox'" + (config.enableSSE3 ? checked : empty) + " title='If checked enables the use of SSE3 instruction set extentions if supported by the CPU.'></td></tr>";
    397 		html += "<tr><td>Enable SSSE3:</td><td><input name = 'enableSSSE3' type='checkbox'" + (config.enableSSSE3 ? checked : empty) + " title='If checked enables the use of SSSE3 instruction set extentions if supported by the CPU.'></td></tr>";
    398 		html += "<tr><td>Enable SSE4.1:</td><td><input name = 'enableSSE4_1' type='checkbox'" + (config.enableSSE4_1 ? checked : empty) + " title='If checked enables the use of SSE4.1 instruction set extentions if supported by the CPU.'></td></tr>";
    399 		html += "</table>\n";
    400 		html += "<h2><em>Compiler optimizations</em></h2>\n";
    401 		html += "<table>\n";
    402 
    403 		for(int pass = 0; pass < 10; pass++)
    404 		{
    405 			html += "<tr><td>Optimization pass " + itoa(pass + 1) + ":</td><td><select name='optimization" + itoa(pass + 1) + "' title='An optimization pass for the shader compiler.'>\n";
    406 			html += "<option value='0'"  + (config.optimization[pass] == 0  ? selected : empty) + ">Disabled" + (pass > 0 ? " (default)" : "") + "</option>\n";
    407 			html += "<option value='1'"  + (config.optimization[pass] == 1  ? selected : empty) + ">Instruction Combining" + (pass == 0 ? " (default)" : "") + "</option>\n";
    408 			html += "<option value='2'"  + (config.optimization[pass] == 2  ? selected : empty) + ">Control Flow Simplification</option>\n";
    409 			html += "<option value='3'"  + (config.optimization[pass] == 3  ? selected : empty) + ">Loop Invariant Code Motion</option>\n";
    410 			html += "<option value='4'"  + (config.optimization[pass] == 4  ? selected : empty) + ">Aggressive Dead Code Elimination</option>\n";
    411 			html += "<option value='5'"  + (config.optimization[pass] == 5  ? selected : empty) + ">Global Value Numbering</option>\n";
    412 			html += "<option value='6'"  + (config.optimization[pass] == 6  ? selected : empty) + ">Commutative Expressions Reassociation</option>\n";
    413 			html += "<option value='7'"  + (config.optimization[pass] == 7  ? selected : empty) + ">Dead Store Elimination</option>\n";
    414 			html += "<option value='8'"  + (config.optimization[pass] == 8  ? selected : empty) + ">Sparse Conditional Copy Propagation</option>\n";
    415 			html += "<option value='9'"  + (config.optimization[pass] == 9  ? selected : empty) + ">Scalar Replacement of Aggregates</option>\n";
    416 			html += "</select></td></tr>\n";
    417 		}
    418 
    419 		html += "</table>\n";
    420 		html += "<h2><em>Testing & Experimental</em></h2>\n";
    421 		html += "<table>\n";
    422 		html += "<tr><td>Disable SwiftConfig server:</td><td><input name = 'disableServer' type='checkbox'" + (config.disableServer == true ? checked : empty) + " title='If checked disables the web browser based control panel.'></td></tr>";
    423 		html += "<tr><td>Force windowed mode:</td><td><input name = 'forceWindowed' type='checkbox'" + (config.forceWindowed == true ? checked : empty) + " title='If checked prevents the application from switching to full-screen mode.'></td></tr>";
    424 		html += "<tr><td>Complementary depth buffer:</td><td><input name = 'complementaryDepthBuffer' type='checkbox'" + (config.complementaryDepthBuffer == true ? checked : empty) + " title='If checked causes 1 - z to be stored in the depth buffer.'></td></tr>";
    425 		html += "<tr><td>Post alpha blend sRGB conversion:</td><td><input name = 'postBlendSRGB' type='checkbox'" + (config.postBlendSRGB == true ? checked : empty) + " title='If checked alpha blending is performed in linear color space.'></td></tr>";
    426 		html += "<tr><td>Exact color rounding:</td><td><input name = 'exactColorRounding' type='checkbox'" + (config.exactColorRounding == true ? checked : empty) + " title='If checked color rounding is done at high accuracy.'></td></tr>";
    427 		html += "<tr><td>Disable alpha display formats:</td><td><input name = 'disableAlphaMode' type='checkbox'" + (config.disableAlphaMode == true ? checked : empty) + " title='If checked the device does not advertise the A8R8G8B8 display mode.'></td></tr>";
    428 		html += "<tr><td>Disable 10-bit display formats:</td><td><input name = 'disable10BitMode' type='checkbox'" + (config.disable10BitMode == true ? checked : empty) + " title='If checked the device does not advertise the A2R10G10B10 display mode.'></td></tr>";
    429 		html += "<tr><td>Frame-buffer API:</td><td><select name='frameBufferAPI' title='The API used for displaying the rendered result on screen (requires restart).'>\n";
    430 		html += "<option value='0'" + (config.frameBufferAPI == 0 ? selected : empty) + ">DirectDraw (default)</option>\n";
    431 		html += "<option value='1'" + (config.frameBufferAPI == 1 ? selected : empty) + ">GDI</option>\n";
    432 		html += "</select></td>\n";
    433 		html += "<tr><td>DLL precaching:</td><td><input name = 'precache' type='checkbox'" + (config.precache == true ? checked : empty) + " title='If checked dynamically generated routines will be stored in a DLL for faster loading on application restart.'></td></tr>";
    434 		html += "<tr><td>Shadow mapping extensions:</td><td><select name='shadowMapping' title='Features that may accelerate or improve the quality of shadow mapping.'>\n";
    435 		html += "<option value='0'" + (config.shadowMapping == 0 ? selected : empty) + ">None</option>\n";
    436 		html += "<option value='1'" + (config.shadowMapping == 1 ? selected : empty) + ">Fetch4</option>\n";
    437 		html += "<option value='2'" + (config.shadowMapping == 2 ? selected : empty) + ">DST</option>\n";
    438 		html += "<option value='3'" + (config.shadowMapping == 3 ? selected : empty) + ">Fetch4 & DST (default)</option>\n";
    439 		html += "</select></td>\n";
    440 		html += "<tr><td>Force clearing registers that have no default value:</td><td><input name = 'forceClearRegisters' type='checkbox'" + (config.forceClearRegisters == true ? checked : empty) + " title='Initializes shader register values to 0 even if they have no default.'></td></tr>";
    441 		html += "</table>\n";
    442 	#ifndef NDEBUG
    443 		html += "<h2><em>Debugging</em></h2>\n";
    444 		html += "<table>\n";
    445 		html += "<tr><td>Minimum primitives:</td><td><input type='text' size='10' maxlength='10' name='minPrimitives' value='" + itoa(config.minPrimitives) + "'></td></tr>\n";
    446 		html += "<tr><td>Maximum primitives:</td><td><input type='text' size='10' maxlength='10' name='maxPrimitives' value='" + itoa(config.maxPrimitives) + "'></td></tr>\n";
    447 		html += "</table>\n";
    448 	#endif
    449 		html += "<hr><p>\n";
    450 		html += "<span style='font-size:10pt'>Hover the mouse pointer over a control to get additional information.</span><br>\n";
    451 		html += "<span style='font-size:10pt'>Some settings can be applied interactively, some need a restart of the application.</span><br>\n";
    452 		html += "<span style='font-size:10pt'>Removing the SwiftShader.ini file results in resetting the options to their default.</span></p>\n";
    453 		html += "</form>\n";
    454 		html += "</body>\n";
    455 		html += "</html>\n";
    456 
    457 		profiler.reset();
    458 
    459 		return html;
    460 	}
    461 
    462 	std::string SwiftConfig::profile()
    463 	{
    464 		std::string html;
    465 
    466 		html += "<p>FPS: " + ftoa(profiler.FPS) + "</p>\n";
    467 		html += "<p>Frame: " + itoa(profiler.framesTotal) + "</p>\n";
    468 
    469 		#if PERF_PROFILE
    470 			int texTime = (int)(1000 * profiler.cycles[PERF_TEX] / profiler.cycles[PERF_PIXEL] + 0.5);
    471 			int shaderTime = (int)(1000 * profiler.cycles[PERF_SHADER] / profiler.cycles[PERF_PIXEL] + 0.5);
    472 			int pipeTime = (int)(1000 * profiler.cycles[PERF_PIPE] / profiler.cycles[PERF_PIXEL] + 0.5);
    473 			int ropTime = (int)(1000 * profiler.cycles[PERF_ROP] / profiler.cycles[PERF_PIXEL] + 0.5);
    474 			int interpTime = (int)(1000 * profiler.cycles[PERF_INTERP] / profiler.cycles[PERF_PIXEL] + 0.5);
    475 			int rastTime = 1000 - pipeTime;
    476 
    477 			pipeTime -= shaderTime + ropTime + interpTime;
    478 			shaderTime -= texTime;
    479 
    480 			double texTimeF = (double)texTime / 10;
    481 			double shaderTimeF = (double)shaderTime / 10;
    482 			double pipeTimeF = (double)pipeTime / 10;
    483 			double ropTimeF = (double)ropTime / 10;
    484 			double interpTimeF = (double)interpTime / 10;
    485 			double rastTimeF = (double)rastTime / 10;
    486 
    487 			double averageRopOperations = profiler.ropOperationsTotal / std::max(profiler.framesTotal, 1) / 1.0e6f;
    488 			double averageCompressedTex = profiler.compressedTexTotal / std::max(profiler.framesTotal, 1) / 1.0e6f;
    489 			double averageTexOperations = profiler.texOperationsTotal / std::max(profiler.framesTotal, 1) / 1.0e6f;
    490 
    491 			html += "<p>Raster operations (million): " + ftoa(profiler.ropOperationsFrame / 1.0e6f) + " (current), " + ftoa(averageRopOperations) + " (average)</p>\n";
    492 			html += "<p>Texture operations (million): " + ftoa(profiler.texOperationsFrame / 1.0e6f) + " (current), " + ftoa(averageTexOperations) + " (average)</p>\n";
    493 			html += "<p>Compressed texture operations (million): " + ftoa(profiler.compressedTexFrame / 1.0e6f) + " (current), " + ftoa(averageCompressedTex) + " (average)</p>\n";
    494 			html += "<div id='profile' style='position:relative; width:1010px; height:50px; background-color:silver;'>";
    495 			html += "<div style='position:relative; width:1000px; height:40px; background-color:white; left:5px; top:5px;'>";
    496 			html += "<div style='position:relative; float:left; width:" + itoa(rastTime)   + "px; height:40px; border-style:none; text-align:center; line-height:40px; background-color:#FFFF7F; overflow:hidden;'>" + ftoa(rastTimeF)   + "% rast</div>\n";
    497 			html += "<div style='position:relative; float:left; width:" + itoa(pipeTime)   + "px; height:40px; border-style:none; text-align:center; line-height:40px; background-color:#FF7F7F; overflow:hidden;'>" + ftoa(pipeTimeF)   + "% pipe</div>\n";
    498 			html += "<div style='position:relative; float:left; width:" + itoa(interpTime) + "px; height:40px; border-style:none; text-align:center; line-height:40px; background-color:#7FFFFF; overflow:hidden;'>" + ftoa(interpTimeF) + "% interp</div>\n";
    499 			html += "<div style='position:relative; float:left; width:" + itoa(shaderTime) + "px; height:40px; border-style:none; text-align:center; line-height:40px; background-color:#7FFF7F; overflow:hidden;'>" + ftoa(shaderTimeF) + "% shader</div>\n";
    500 			html += "<div style='position:relative; float:left; width:" + itoa(texTime)    + "px; height:40px; border-style:none; text-align:center; line-height:40px; background-color:#FF7FFF; overflow:hidden;'>" + ftoa(texTimeF)    + "% tex</div>\n";
    501 			html += "<div style='position:relative; float:left; width:" + itoa(ropTime)    + "px; height:40px; border-style:none; text-align:center; line-height:40px; background-color:#7F7FFF; overflow:hidden;'>" + ftoa(ropTimeF)    + "% rop</div>\n";
    502 			html += "</div></div>\n";
    503 
    504 			for(int i = 0; i < PERF_TIMERS; i++)
    505 			{
    506 				profiler.cycles[i] = 0;
    507 			}
    508 		#endif
    509 
    510 		return html;
    511 	}
    512 
    513 	void SwiftConfig::send(Socket *clientSocket, Status code, std::string body)
    514 	{
    515 		std::string status;
    516 		char header[1024];
    517 
    518 		switch(code)
    519 		{
    520 		case OK:       status += "HTTP/1.1 200 OK\r\n";        break;
    521 		case NotFound: status += "HTTP/1.1 404 Not Found\r\n"; break;
    522 		}
    523 
    524 		sprintf(header, "Content-Type: text/html; charset=UTF-8\r\n"
    525 						"Content-Length: %zd\r\n"
    526 						"Host: localhost\r\n"
    527 						"\r\n", body.size());
    528 
    529 		std::string message = status + header + body;
    530 		clientSocket->send(message.c_str(), (int)message.length());
    531 	}
    532 
    533 	void SwiftConfig::parsePost(const char *post)
    534 	{
    535 		// Only enabled checkboxes appear in the POST
    536 		config.enableSSE = true;
    537 		config.enableSSE2 = false;
    538 		config.enableSSE3 = false;
    539 		config.enableSSSE3 = false;
    540 		config.enableSSE4_1 = false;
    541 		config.disableServer = false;
    542 		config.forceWindowed = false;
    543 		config.complementaryDepthBuffer = false;
    544 		config.postBlendSRGB = false;
    545 		config.exactColorRounding = false;
    546 		config.disableAlphaMode = false;
    547 		config.disable10BitMode = false;
    548 		config.precache = false;
    549 		config.forceClearRegisters = false;
    550 
    551 		while(*post != 0)
    552 		{
    553 			int integer;
    554 			int index;
    555 
    556 			if(sscanf(post, "pixelShaderVersion=%d", &integer))
    557 			{
    558 				config.pixelShaderVersion = integer;
    559 			}
    560 			else if(sscanf(post, "vertexShaderVersion=%d", &integer))
    561 			{
    562 				config.vertexShaderVersion = integer;
    563 			}
    564 			else if(sscanf(post, "textureMemory=%d", &integer))
    565 			{
    566 				config.textureMemory = integer;
    567 			}
    568 			else if(sscanf(post, "identifier=%d", &integer))
    569 			{
    570 				config.identifier = integer;
    571 			}
    572 			else if(sscanf(post, "vertexRoutineCacheSize=%d", &integer))
    573 			{
    574 				config.vertexRoutineCacheSize = integer;
    575 			}
    576 			else if(sscanf(post, "pixelRoutineCacheSize=%d", &integer))
    577 			{
    578 				config.pixelRoutineCacheSize = integer;
    579 			}
    580 			else if(sscanf(post, "setupRoutineCacheSize=%d", &integer))
    581 			{
    582 				config.setupRoutineCacheSize = integer;
    583 			}
    584 			else if(sscanf(post, "vertexCacheSize=%d", &integer))
    585 			{
    586 				config.vertexCacheSize = integer;
    587 			}
    588 			else if(sscanf(post, "textureSampleQuality=%d", &integer))
    589 			{
    590 				config.textureSampleQuality = integer;
    591 			}
    592 			else if(sscanf(post, "mipmapQuality=%d", &integer))
    593 			{
    594 				config.mipmapQuality = integer;
    595 			}
    596 			else if(sscanf(post, "perspectiveCorrection=%d", &integer))
    597 			{
    598 				config.perspectiveCorrection = integer != 0;
    599 			}
    600 			else if(sscanf(post, "transcendentalPrecision=%d", &integer))
    601 			{
    602 				config.transcendentalPrecision = integer;
    603 			}
    604 			else if(sscanf(post, "transparencyAntialiasing=%d", &integer))
    605 			{
    606 				config.transparencyAntialiasing = integer;
    607 			}
    608 			else if(sscanf(post, "threadCount=%d", &integer))
    609 			{
    610 				config.threadCount = integer;
    611 			}
    612 			else if(sscanf(post, "frameBufferAPI=%d", &integer))
    613 			{
    614 				config.frameBufferAPI = integer;
    615 			}
    616 			else if(sscanf(post, "shadowMapping=%d", &integer))
    617 			{
    618 				config.shadowMapping = integer;
    619 			}
    620 			else if(strstr(post, "enableSSE=on"))
    621 			{
    622 				config.enableSSE = true;
    623 			}
    624 			else if(strstr(post, "enableSSE2=on"))
    625 			{
    626 				if(config.enableSSE)
    627 				{
    628 					config.enableSSE2 = true;
    629 				}
    630 			}
    631 			else if(strstr(post, "enableSSE3=on"))
    632 			{
    633 				if(config.enableSSE2)
    634 				{
    635 					config.enableSSE3 = true;
    636 				}
    637 			}
    638 			else if(strstr(post, "enableSSSE3=on"))
    639 			{
    640 				if(config.enableSSE3)
    641 				{
    642 					config.enableSSSE3 = true;
    643 				}
    644 			}
    645 			else if(strstr(post, "enableSSE4_1=on"))
    646 			{
    647 				if(config.enableSSSE3)
    648 				{
    649 					config.enableSSE4_1 = true;
    650 				}
    651 			}
    652 			else if(sscanf(post, "optimization%d=%d", &index, &integer))
    653 			{
    654 				config.optimization[index - 1] = (Optimization)integer;
    655 			}
    656 			else if(strstr(post, "disableServer=on"))
    657 			{
    658 				config.disableServer = true;
    659 			}
    660 			else if(strstr(post, "forceWindowed=on"))
    661 			{
    662 				config.forceWindowed = true;
    663 			}
    664 			else if(strstr(post, "complementaryDepthBuffer=on"))
    665 			{
    666 				config.complementaryDepthBuffer = true;
    667 			}
    668 			else if(strstr(post, "postBlendSRGB=on"))
    669 			{
    670 				config.postBlendSRGB = true;
    671 			}
    672 			else if(strstr(post, "exactColorRounding=on"))
    673 			{
    674 				config.exactColorRounding = true;
    675 			}
    676 			else if(strstr(post, "disableAlphaMode=on"))
    677 			{
    678 				config.disableAlphaMode = true;
    679 			}
    680 			else if(strstr(post, "disable10BitMode=on"))
    681 			{
    682 				config.disable10BitMode = true;
    683 			}
    684 			else if(strstr(post, "precache=on"))
    685 			{
    686 				config.precache = true;
    687 			}
    688 			else if(strstr(post, "forceClearRegisters=on"))
    689 			{
    690 				config.forceClearRegisters = true;
    691 			}
    692 		#ifndef NDEBUG
    693 			else if(sscanf(post, "minPrimitives=%d", &integer))
    694 			{
    695 				config.minPrimitives = integer;
    696 			}
    697 			else if(sscanf(post, "maxPrimitives=%d", &integer))
    698 			{
    699 				config.maxPrimitives = integer;
    700 			}
    701 		#endif
    702 			else
    703 			{
    704 				ASSERT(false);
    705 			}
    706 
    707 			do
    708 			{
    709 				post++;
    710 			}
    711 			while(post[-1] != '&' && *post != 0);
    712 		}
    713 	}
    714 
    715 	void SwiftConfig::readConfiguration(bool disableServerOverride)
    716 	{
    717 		Configurator ini("SwiftShader.ini");
    718 
    719 		config.pixelShaderVersion = ini.getInteger("Capabilities", "PixelShaderVersion", 30);
    720 		config.vertexShaderVersion = ini.getInteger("Capabilities", "VertexShaderVersion", 30);
    721 		config.textureMemory = ini.getInteger("Capabilities", "TextureMemory", 256);
    722 		config.identifier = ini.getInteger("Capabilities", "Identifier", 0);
    723 		config.vertexRoutineCacheSize = ini.getInteger("Caches", "VertexRoutineCacheSize", 1024);
    724 		config.pixelRoutineCacheSize = ini.getInteger("Caches", "PixelRoutineCacheSize", 1024);
    725 		config.setupRoutineCacheSize = ini.getInteger("Caches", "SetupRoutineCacheSize", 1024);
    726 		config.vertexCacheSize = ini.getInteger("Caches", "VertexCacheSize", 64);
    727 		config.textureSampleQuality = ini.getInteger("Quality", "TextureSampleQuality", 2);
    728 		config.mipmapQuality = ini.getInteger("Quality", "MipmapQuality", 1);
    729 		config.perspectiveCorrection = ini.getBoolean("Quality", "PerspectiveCorrection", true);
    730 		config.transcendentalPrecision = ini.getInteger("Quality", "TranscendentalPrecision", 2);
    731 		config.transparencyAntialiasing = ini.getInteger("Quality", "TransparencyAntialiasing", 0);
    732 		config.threadCount = ini.getInteger("Processor", "ThreadCount", DEFAULT_THREAD_COUNT);
    733 		config.enableSSE = ini.getBoolean("Processor", "EnableSSE", true);
    734 		config.enableSSE2 = ini.getBoolean("Processor", "EnableSSE2", true);
    735 		config.enableSSE3 = ini.getBoolean("Processor", "EnableSSE3", true);
    736 		config.enableSSSE3 = ini.getBoolean("Processor", "EnableSSSE3", true);
    737 		config.enableSSE4_1 = ini.getBoolean("Processor", "EnableSSE4_1", true);
    738 
    739 		for(int pass = 0; pass < 10; pass++)
    740 		{
    741 			config.optimization[pass] = (Optimization)ini.getInteger("Optimization", "OptimizationPass" + itoa(pass + 1), pass == 0 ? InstructionCombining : Disabled);
    742 		}
    743 
    744 		config.disableServer = ini.getBoolean("Testing", "DisableServer", false);
    745 		config.forceWindowed = ini.getBoolean("Testing", "ForceWindowed", false);
    746 		config.complementaryDepthBuffer = ini.getBoolean("Testing", "ComplementaryDepthBuffer", false);
    747 		config.postBlendSRGB = ini.getBoolean("Testing", "PostBlendSRGB", false);
    748 		config.exactColorRounding = ini.getBoolean("Testing", "ExactColorRounding", true);
    749 		config.disableAlphaMode = ini.getBoolean("Testing", "DisableAlphaMode", false);
    750 		config.disable10BitMode = ini.getBoolean("Testing", "Disable10BitMode", false);
    751 		config.frameBufferAPI = ini.getInteger("Testing", "FrameBufferAPI", 0);
    752 		config.precache = ini.getBoolean("Testing", "Precache", false);
    753 		config.shadowMapping = ini.getInteger("Testing", "ShadowMapping", 3);
    754 		config.forceClearRegisters = ini.getBoolean("Testing", "ForceClearRegisters", false);
    755 
    756 	#ifndef NDEBUG
    757 		config.minPrimitives = 1;
    758 		config.maxPrimitives = 1 << 21;
    759 	#endif
    760 
    761 		struct stat status;
    762 		int lastModified = ini.getInteger("LastModified", "Time", 0);
    763 
    764 		bool noConfig = stat("SwiftShader.ini", &status) != 0;
    765 		newConfig = !noConfig && abs((int)status.st_mtime - lastModified) > 1;
    766 
    767 		if(disableServerOverride)
    768 		{
    769 			config.disableServer = true;
    770 		}
    771 	}
    772 
    773 	void SwiftConfig::writeConfiguration()
    774 	{
    775 		Configurator ini("SwiftShader.ini");
    776 
    777 		ini.addValue("Capabilities", "PixelShaderVersion", itoa(config.pixelShaderVersion));
    778 		ini.addValue("Capabilities", "VertexShaderVersion", itoa(config.vertexShaderVersion));
    779 		ini.addValue("Capabilities", "TextureMemory", itoa(config.textureMemory));
    780 		ini.addValue("Capabilities", "Identifier", itoa(config.identifier));
    781 		ini.addValue("Caches", "VertexRoutineCacheSize", itoa(config.vertexRoutineCacheSize));
    782 		ini.addValue("Caches", "PixelRoutineCacheSize", itoa(config.pixelRoutineCacheSize));
    783 		ini.addValue("Caches", "SetupRoutineCacheSize", itoa(config.setupRoutineCacheSize));
    784 		ini.addValue("Caches", "VertexCacheSize", itoa(config.vertexCacheSize));
    785 		ini.addValue("Quality", "TextureSampleQuality", itoa(config.textureSampleQuality));
    786 		ini.addValue("Quality", "MipmapQuality", itoa(config.mipmapQuality));
    787 		ini.addValue("Quality", "PerspectiveCorrection", itoa(config.perspectiveCorrection));
    788 		ini.addValue("Quality", "TranscendentalPrecision", itoa(config.transcendentalPrecision));
    789 		ini.addValue("Quality", "TransparencyAntialiasing", itoa(config.transparencyAntialiasing));
    790 		ini.addValue("Processor", "ThreadCount", itoa(config.threadCount));
    791 	//	ini.addValue("Processor", "EnableSSE", itoa(config.enableSSE));
    792 		ini.addValue("Processor", "EnableSSE2", itoa(config.enableSSE2));
    793 		ini.addValue("Processor", "EnableSSE3", itoa(config.enableSSE3));
    794 		ini.addValue("Processor", "EnableSSSE3", itoa(config.enableSSSE3));
    795 		ini.addValue("Processor", "EnableSSE4_1", itoa(config.enableSSE4_1));
    796 
    797 		for(int pass = 0; pass < 10; pass++)
    798 		{
    799 			ini.addValue("Optimization", "OptimizationPass" + itoa(pass + 1), itoa(config.optimization[pass]));
    800 		}
    801 
    802 		ini.addValue("Testing", "DisableServer", itoa(config.disableServer));
    803 		ini.addValue("Testing", "ForceWindowed", itoa(config.forceWindowed));
    804 		ini.addValue("Testing", "ComplementaryDepthBuffer", itoa(config.complementaryDepthBuffer));
    805 		ini.addValue("Testing", "PostBlendSRGB", itoa(config.postBlendSRGB));
    806 		ini.addValue("Testing", "ExactColorRounding", itoa(config.exactColorRounding));
    807 		ini.addValue("Testing", "DisableAlphaMode", itoa(config.disableAlphaMode));
    808 		ini.addValue("Testing", "Disable10BitMode", itoa(config.disable10BitMode));
    809 		ini.addValue("Testing", "FrameBufferAPI", itoa(config.frameBufferAPI));
    810 		ini.addValue("Testing", "Precache", itoa(config.precache));
    811 		ini.addValue("Testing", "ShadowMapping", itoa(config.shadowMapping));
    812 		ini.addValue("Testing", "ForceClearRegisters", itoa(config.forceClearRegisters));
    813 		ini.addValue("LastModified", "Time", itoa((int)time(0)));
    814 
    815 		ini.writeFile("SwiftShader Configuration File\n"
    816 		              ";\n"
    817 					  "; To get an overview of the valid settings and their meaning,\n"
    818 					  "; run the application in windowed mode and open the\n"
    819 					  "; SwiftConfig application or go to http://localhost:8080/swiftconfig.");
    820 	}
    821 }
    822