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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 
itoa(int number)32 	std::string itoa(int number)
33 	{
34 		std::stringstream ss;
35 		ss << number;
36 		return ss.str();
37 	}
38 
ftoa(double number)39 	std::string ftoa(double number)
40 	{
41 		std::stringstream ss;
42 		ss << number;
43 		return ss.str();
44 	}
45 
SwiftConfig(bool disableServerOverride)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 
~SwiftConfig()63 	SwiftConfig::~SwiftConfig()
64 	{
65 		destroyServer();
66 	}
67 
createServer()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 
destroyServer()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 
hasNewConfiguration(bool reset)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 
getConfiguration(Configuration & configuration)111 	void SwiftConfig::getConfiguration(Configuration &configuration)
112 	{
113 		criticalSection.lock();
114 		configuration = config;
115 		criticalSection.unlock();
116 	}
117 
serverRoutine(void * parameters)118 	void SwiftConfig::serverRoutine(void *parameters)
119 	{
120 		SwiftConfig *swiftConfig = (SwiftConfig*)parameters;
121 
122 		swiftConfig->serverLoop();
123 	}
124 
serverLoop()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 
match(const char ** url,const char * string)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 
respond(Socket * clientSocket,const char * request)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 
page()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 
profile()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 
send(Socket * clientSocket,Status code,std::string body)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 
parsePost(const char * post)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 
readConfiguration(bool disableServerOverride)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 
writeConfiguration()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