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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 "Config.hpp"
18 #include "Common/Configurator.hpp"
19 #include "Common/Debug.hpp"
20 #include "Common/Version.h"
21 
22 #include <sstream>
23 #include <stdio.h>
24 #include <time.h>
25 #include <sys/stat.h>
26 #include <string.h>
27 #include <algorithm>
28 
29 namespace sw
30 {
31 	extern Profiler profiler;
32 
itoa(int number)33 	std::string itoa(int number)
34 	{
35 		std::stringstream ss;
36 		ss << number;
37 		return ss.str();
38 	}
39 
ftoa(double number)40 	std::string ftoa(double number)
41 	{
42 		std::stringstream ss;
43 		ss << number;
44 		return ss.str();
45 	}
46 
SwiftConfig(bool disableServerOverride)47 	SwiftConfig::SwiftConfig(bool disableServerOverride) : listenSocket(0)
48 	{
49 		readConfiguration(disableServerOverride);
50 
51 		if(!disableServerOverride)
52 		{
53 			writeConfiguration();
54 		}
55 
56 		receiveBuffer = 0;
57 
58 		if(!config.disableServer)
59 		{
60 			createServer();
61 		}
62 	}
63 
~SwiftConfig()64 	SwiftConfig::~SwiftConfig()
65 	{
66 		destroyServer();
67 	}
68 
createServer()69 	void SwiftConfig::createServer()
70 	{
71 		bufferLength = 16 * 1024;
72 		receiveBuffer = new char[bufferLength];
73 
74 		Socket::startup();
75 		listenSocket = new Socket("localhost", "8080");
76 		listenSocket->listen();
77 
78 		terminate = false;
79 		serverThread = new Thread(serverRoutine, this);
80 	}
81 
destroyServer()82 	void SwiftConfig::destroyServer()
83 	{
84 		if(receiveBuffer)
85 		{
86 			terminate = true;
87 			serverThread->join();
88 			delete serverThread;
89 
90 			delete listenSocket;
91 			listenSocket = 0;
92 
93 			Socket::cleanup();
94 
95 			delete[] receiveBuffer;
96 			receiveBuffer = 0;
97 		}
98 	}
99 
hasNewConfiguration(bool reset)100 	bool SwiftConfig::hasNewConfiguration(bool reset)
101 	{
102 		bool value = newConfig;
103 
104 		if(reset)
105 		{
106 			newConfig = false;
107 		}
108 
109 		return value;
110 	}
111 
getConfiguration(Configuration & configuration)112 	void SwiftConfig::getConfiguration(Configuration &configuration)
113 	{
114 		criticalSection.lock();
115 		configuration = config;
116 		criticalSection.unlock();
117 	}
118 
serverRoutine(void * parameters)119 	void SwiftConfig::serverRoutine(void *parameters)
120 	{
121 		SwiftConfig *swiftConfig = (SwiftConfig*)parameters;
122 
123 		swiftConfig->serverLoop();
124 	}
125 
serverLoop()126 	void SwiftConfig::serverLoop()
127 	{
128 		readConfiguration();
129 
130 		while(!terminate)
131 		{
132 			if(listenSocket->select(100000))
133 			{
134 				Socket *clientSocket = listenSocket->accept();
135 				int bytesReceived = 1;
136 
137 				while(bytesReceived > 0 && !terminate)
138 				{
139 					if(clientSocket->select(10))
140 					{
141 						bytesReceived = clientSocket->receive(receiveBuffer, bufferLength);
142 
143 						if(bytesReceived > 0)
144 						{
145 							receiveBuffer[bytesReceived] = 0;
146 
147 							respond(clientSocket, receiveBuffer);
148 						}
149 					}
150 				}
151 
152 				delete clientSocket;
153 			}
154 		}
155 	}
156 
match(const char ** url,const char * string)157 	bool match(const char **url, const char *string)
158 	{
159 		size_t length = strlen(string);
160 
161 		if(strncmp(*url, string, length) == 0)
162 		{
163 			*url += length;
164 
165 			return true;
166 		}
167 
168 		return false;
169 	}
170 
respond(Socket * clientSocket,const char * request)171 	void SwiftConfig::respond(Socket *clientSocket, const char *request)
172 	{
173 		if(match(&request, "GET /"))
174 		{
175 			if(match(&request, "swiftshader") || match(&request, "swiftconfig"))
176 			{
177 				if(match(&request, " ") || match(&request, "/ "))
178 				{
179 					return send(clientSocket, OK, page());
180 				}
181 			}
182 		}
183 		else if(match(&request, "POST /"))
184 		{
185 			if(match(&request, "swiftshader") || match(&request, "swiftconfig"))
186 			{
187 				if(match(&request, " ") || match(&request, "/ "))
188 				{
189 					criticalSection.lock();
190 
191 					const char *postData = strstr(request, "\r\n\r\n");
192 					postData = postData ? postData + 4 : 0;
193 
194 					if(postData && strlen(postData) > 0)
195 					{
196 						parsePost(postData);
197 					}
198 					else   // POST data in next packet
199 					{
200 						int bytesReceived = clientSocket->receive(receiveBuffer, bufferLength);
201 
202 						if(bytesReceived > 0)
203 						{
204 							receiveBuffer[bytesReceived] = 0;
205 							parsePost(receiveBuffer);
206 						}
207 					}
208 
209 					writeConfiguration();
210 					newConfig = true;
211 
212 					if(config.disableServer)
213 					{
214 						destroyServer();
215 					}
216 
217 					criticalSection.unlock();
218 
219 					return send(clientSocket, OK, page());
220 				}
221 				else if(match(&request, "/profile "))
222 				{
223 					return send(clientSocket, OK, profile());
224 				}
225 			}
226 		}
227 
228 		return send(clientSocket, NotFound);
229 	}
230 
page()231 	std::string SwiftConfig::page()
232 	{
233 		std::string html;
234 
235 		const std::string selected = "selected='selected'";
236 		const std::string checked = "checked='checked'";
237 		const std::string empty = "";
238 
239 		html += "<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01//EN' 'http://www.w3.org/TR/html4/strict.dtd'>\n";
240 		html += "<html>\n";
241 		html += "<head>\n";
242 		html += "<meta http-equiv='content-type' content='text/html; charset=UTF-8'>\n";
243 		html += "<title>SwiftShader Configuration Panel</title>\n";
244 		html += "</head>\n";
245 		html += "<body>\n";
246 		html += "<script type='text/javascript'>\n";
247 		html += "request();\n";
248 		html += "function request()\n";
249 		html += "{\n";
250 		html += "var xhr = new XMLHttpRequest();\n";
251 		html += "xhr.open('POST', '/swiftshader/profile', true);\n";
252 		html += "xhr.onreadystatechange = function()\n";
253 		html += "{\n";
254 		html += "if(xhr.readyState == 4 && xhr.status == 200)\n";
255 		html += "{\n";
256 		html += "document.getElementById('profile').innerHTML = xhr.responseText;\n";
257 		html += "setTimeout('request()', 1000);\n";
258 		html += "}\n";
259 		html += "}\n";
260 		html += "xhr.send();\n";
261 		html += "}\n";
262 		html += "</script>\n";
263 		html += "<form method='POST' action=''>\n";
264 		html += "<h1>SwiftShader Configuration Panel</h1>\n";
265 		html += "<div id='profile'>" + profile() + "</div>\n";
266 		html += "<hr><p>\n";
267 		html += "<input type='submit' value='Apply changes' title='Click to apply all settings.'>\n";
268 	//	html += "<input type='reset' value='Reset changes' title='Click to reset your changes to the previous value.'>\n";
269 		html += "</p><hr>\n";
270 		html += "<h2><em>Device capabilities</em></h2>\n";
271 		html += "<table>\n";
272 		html += "<tr><td>Build revision:</td><td>" REVISION_STRING "</td></tr>\n";
273 		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";
274 		html += "<option value='0'"  + (config.pixelShaderVersion ==  0 ? selected : empty) + ">0.0</option>\n";
275 		html += "<option value='11'" + (config.pixelShaderVersion == 11 ? selected : empty) + ">1.1</option>\n";
276 		html += "<option value='12'" + (config.pixelShaderVersion == 12 ? selected : empty) + ">1.2</option>\n";
277 		html += "<option value='13'" + (config.pixelShaderVersion == 13 ? selected : empty) + ">1.3</option>\n";
278 		html += "<option value='14'" + (config.pixelShaderVersion == 14 ? selected : empty) + ">1.4</option>\n";
279 		html += "<option value='20'" + (config.pixelShaderVersion == 20 ? selected : empty) + ">2.0</option>\n";
280 		html += "<option value='21'" + (config.pixelShaderVersion == 21 ? selected : empty) + ">2.x</option>\n";
281 		html += "<option value='30'" + (config.pixelShaderVersion == 30 ? selected : empty) + ">3.0 (default)</option>\n";
282 		html += "</select></td></tr>\n";
283 		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";
284 		html += "<option value='0'"  + (config.vertexShaderVersion ==  0 ? selected : empty) + ">0.0</option>\n";
285 		html += "<option value='11'" + (config.vertexShaderVersion == 11 ? selected : empty) + ">1.1</option>\n";
286 		html += "<option value='20'" + (config.vertexShaderVersion == 20 ? selected : empty) + ">2.0</option>\n";
287 		html += "<option value='21'" + (config.vertexShaderVersion == 21 ? selected : empty) + ">2.x</option>\n";
288 		html += "<option value='30'" + (config.vertexShaderVersion == 30 ? selected : empty) + ">3.0 (default)</option>\n";
289 		html += "</select></td></tr>\n";
290 		html += "<tr><td>Texture memory:</td><td><select name='textureMemory' title='The maximum amount of memory used for textures and other resources.'>\n";
291 		html += "<option value='128'"  + (config.textureMemory == 128  ? selected : empty) + ">128 MB</option>\n";
292 		html += "<option value='256'"  + (config.textureMemory == 256  ? selected : empty) + ">256 MB (default)</option>\n";
293 		html += "<option value='512'"  + (config.textureMemory == 512  ? selected : empty) + ">512 MB</option>\n";
294 		html += "<option value='1024'" + (config.textureMemory == 1024 ? selected : empty) + ">1024 MB</option>\n";
295 		html += "<option value='2048'" + (config.textureMemory == 2048 ? selected : empty) + ">2048 MB</option>\n";
296 		html += "</select></td></tr>\n";
297 		html += "<tr><td>Device identifier:</td><td><select name='identifier' title='The information used by some applications to determine device capabilities.'>\n";
298 		html += "<option value='0'" + (config.identifier == 0 ? selected : empty) + ">Google SwiftShader (default)</option>\n";
299 		html += "<option value='1'" + (config.identifier == 1 ? selected : empty) + ">NVIDIA GeForce 7900 GS</option>\n";
300 		html += "<option value='2'" + (config.identifier == 2 ? selected : empty) + ">ATI Mobility Radeon X1600</option>\n";
301 		html += "<option value='3'" + (config.identifier == 3 ? selected : empty) + ">Intel GMA X3100</option>\n";
302 		html += "<option value='4'" + (config.identifier == 4 ? selected : empty) + ">System device</option>\n";
303 		html += "</select></td></tr>\n";
304 		html += "</table>\n";
305 		html += "<h2><em>Cache sizes</em></h2>\n";
306 		html += "<table>\n";
307 		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";
308 		html += "<option value='64'"   + (config.vertexRoutineCacheSize == 64   ? selected : empty) + ">64</option>\n";
309 		html += "<option value='128'"  + (config.vertexRoutineCacheSize == 128  ? selected : empty) + ">128</option>\n";
310 		html += "<option value='256'"  + (config.vertexRoutineCacheSize == 256  ? selected : empty) + ">256</option>\n";
311 		html += "<option value='512'"  + (config.vertexRoutineCacheSize == 512  ? selected : empty) + ">512</option>\n";
312 		html += "<option value='1024'" + (config.vertexRoutineCacheSize == 1024 ? selected : empty) + ">1024 (default)</option>\n";
313 		html += "<option value='2048'" + (config.vertexRoutineCacheSize == 2048 ? selected : empty) + ">2048</option>\n";
314 		html += "<option value='4096'" + (config.vertexRoutineCacheSize == 4096 ? selected : empty) + ">4096</option>\n";
315 		html += "</select></td>\n";
316 		html += "</tr>\n";
317 		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";
318 		html += "<option value='64'"   + (config.pixelRoutineCacheSize == 64   ? selected : empty) + ">64</option>\n";
319 		html += "<option value='128'"  + (config.pixelRoutineCacheSize == 128  ? selected : empty) + ">128</option>\n";
320 		html += "<option value='256'"  + (config.pixelRoutineCacheSize == 256  ? selected : empty) + ">256</option>\n";
321 		html += "<option value='512'"  + (config.pixelRoutineCacheSize == 512  ? selected : empty) + ">512</option>\n";
322 		html += "<option value='1024'" + (config.pixelRoutineCacheSize == 1024 ? selected : empty) + ">1024 (default)</option>\n";
323 		html += "<option value='2048'" + (config.pixelRoutineCacheSize == 2048 ? selected : empty) + ">2048</option>\n";
324 		html += "<option value='4096'" + (config.pixelRoutineCacheSize == 4096 ? selected : empty) + ">4096</option>\n";
325 		html += "</select></td>\n";
326 		html += "</tr>\n";
327 		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";
328 		html += "<option value='64'"   + (config.setupRoutineCacheSize == 64   ? selected : empty) + ">64</option>\n";
329 		html += "<option value='128'"  + (config.setupRoutineCacheSize == 128  ? selected : empty) + ">128</option>\n";
330 		html += "<option value='256'"  + (config.setupRoutineCacheSize == 256  ? selected : empty) + ">256</option>\n";
331 		html += "<option value='512'"  + (config.setupRoutineCacheSize == 512  ? selected : empty) + ">512</option>\n";
332 		html += "<option value='1024'" + (config.setupRoutineCacheSize == 1024 ? selected : empty) + ">1024 (default)</option>\n";
333 		html += "<option value='2048'" + (config.setupRoutineCacheSize == 2048 ? selected : empty) + ">2048</option>\n";
334 		html += "<option value='4096'" + (config.setupRoutineCacheSize == 4096 ? selected : empty) + ">4096</option>\n";
335 		html += "</select></td>\n";
336 		html += "</tr>\n";
337 		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";
338 		html += "<option value='64'"   + (config.vertexCacheSize == 64   ? selected : empty) + ">64 (default)</option>\n";
339 		html += "</select></td>\n";
340 		html += "</tr>\n";
341 		html += "</table>\n";
342 		html += "<h2><em>Quality</em></h2>\n";
343 		html += "<table>\n";
344 		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";
345 		html += "<option value='0'" + (config.textureSampleQuality == 0 ? selected : empty) + ">Point</option>\n";
346 		html += "<option value='1'" + (config.textureSampleQuality == 1 ? selected : empty) + ">Linear</option>\n";
347 		html += "<option value='2'" + (config.textureSampleQuality == 2 ? selected : empty) + ">Anisotropic (default)</option>\n";
348 		html += "</select></td>\n";
349 		html += "</tr>\n";
350 		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";
351 		html += "<option value='0'" + (config.mipmapQuality == 0 ? selected : empty) + ">Point</option>\n";
352 		html += "<option value='1'" + (config.mipmapQuality == 1 ? selected : empty) + ">Linear (default)</option>\n";
353 		html += "</select></td>\n";
354 		html += "</tr>\n";
355 		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";
356 		html += "<option value='0'" + (config.perspectiveCorrection == 0 ? selected : empty) + ">Off</option>\n";
357 		html += "<option value='1'" + (config.perspectiveCorrection == 1 ? selected : empty) + ">On (default)</option>\n";
358 		html += "</select></td>\n";
359 		html += "</tr>\n";
360 		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";
361 		html += "<option value='0'" + (config.transcendentalPrecision == 0 ? selected : empty) + ">Approximate</option>\n";
362 		html += "<option value='1'" + (config.transcendentalPrecision == 1 ? selected : empty) + ">Partial</option>\n";
363 		html += "<option value='2'" + (config.transcendentalPrecision == 2 ? selected : empty) + ">Accurate (default)</option>\n";
364 		html += "<option value='3'" + (config.transcendentalPrecision == 3 ? selected : empty) + ">WHQL</option>\n";
365 		html += "<option value='4'" + (config.transcendentalPrecision == 4 ? selected : empty) + ">IEEE</option>\n";
366 		html += "</select></td>\n";
367 		html += "</tr>\n";
368 		html += "<tr><td>Transparency anti-aliasing:</td><td><select name='transparencyAntialiasing' title='The technique used to anti-alias alpha-tested transparent textures.'>\n";
369 		html += "<option value='0'" + (config.transparencyAntialiasing == 0 ? selected : empty) + ">None (default)</option>\n";
370 		html += "<option value='1'" + (config.transparencyAntialiasing == 1 ? selected : empty) + ">Alpha-to-Coverage</option>\n";
371 		html += "</select></td>\n";
372 		html += "</table>\n";
373 		html += "<h2><em>Processor settings</em></h2>\n";
374 		html += "<table>\n";
375 		html += "<tr><td>Number of threads:</td><td><select name='threadCount' title='The number of rendering threads to be used.'>\n";
376 		html += "<option value='-1'" + (config.threadCount == -1 ? selected : empty) + ">Core count</option>\n";
377 		html += "<option value='0'"  + (config.threadCount == 0  ? selected : empty) + ">Process affinity (default)</option>\n";
378 		html += "<option value='1'"  + (config.threadCount == 1  ? selected : empty) + ">1</option>\n";
379 		html += "<option value='2'"  + (config.threadCount == 2  ? selected : empty) + ">2</option>\n";
380 		html += "<option value='3'"  + (config.threadCount == 3  ? selected : empty) + ">3</option>\n";
381 		html += "<option value='4'"  + (config.threadCount == 4  ? selected : empty) + ">4</option>\n";
382 		html += "<option value='5'"  + (config.threadCount == 5  ? selected : empty) + ">5</option>\n";
383 		html += "<option value='6'"  + (config.threadCount == 6  ? selected : empty) + ">6</option>\n";
384 		html += "<option value='7'"  + (config.threadCount == 7  ? selected : empty) + ">7</option>\n";
385 		html += "<option value='8'"  + (config.threadCount == 8  ? selected : empty) + ">8</option>\n";
386 		html += "<option value='9'"  + (config.threadCount == 9  ? selected : empty) + ">9</option>\n";
387 		html += "<option value='10'" + (config.threadCount == 10 ? selected : empty) + ">10</option>\n";
388 		html += "<option value='11'" + (config.threadCount == 11 ? selected : empty) + ">11</option>\n";
389 		html += "<option value='12'" + (config.threadCount == 12 ? selected : empty) + ">12</option>\n";
390 		html += "<option value='13'" + (config.threadCount == 13 ? selected : empty) + ">13</option>\n";
391 		html += "<option value='14'" + (config.threadCount == 14 ? selected : empty) + ">14</option>\n";
392 		html += "<option value='15'" + (config.threadCount == 15 ? selected : empty) + ">15</option>\n";
393 		html += "<option value='16'" + (config.threadCount == 16 ? selected : empty) + ">16</option>\n";
394 		html += "</select></td></tr>\n";
395 		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>";
396 		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>";
397 		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>";
398 		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>";
399 		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>";
400 		html += "</table>\n";
401 		html += "<h2><em>Compiler optimizations</em></h2>\n";
402 		html += "<table>\n";
403 
404 		for(int pass = 0; pass < 10; pass++)
405 		{
406 			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";
407 			html += "<option value='0'"  + (config.optimization[pass] == 0  ? selected : empty) + ">Disabled" + (pass > 0 ? " (default)" : "") + "</option>\n";
408 			html += "<option value='1'"  + (config.optimization[pass] == 1  ? selected : empty) + ">Instruction Combining" + (pass == 0 ? " (default)" : "") + "</option>\n";
409 			html += "<option value='2'"  + (config.optimization[pass] == 2  ? selected : empty) + ">Control Flow Simplification</option>\n";
410 			html += "<option value='3'"  + (config.optimization[pass] == 3  ? selected : empty) + ">Loop Invariant Code Motion</option>\n";
411 			html += "<option value='4'"  + (config.optimization[pass] == 4  ? selected : empty) + ">Aggressive Dead Code Elimination</option>\n";
412 			html += "<option value='5'"  + (config.optimization[pass] == 5  ? selected : empty) + ">Global Value Numbering</option>\n";
413 			html += "<option value='6'"  + (config.optimization[pass] == 6  ? selected : empty) + ">Commutative Expressions Reassociation</option>\n";
414 			html += "<option value='7'"  + (config.optimization[pass] == 7  ? selected : empty) + ">Dead Store Elimination</option>\n";
415 			html += "<option value='8'"  + (config.optimization[pass] == 8  ? selected : empty) + ">Sparse Conditional Copy Propagation</option>\n";
416 			html += "<option value='9'"  + (config.optimization[pass] == 9  ? selected : empty) + ">Scalar Replacement of Aggregates</option>\n";
417 			html += "</select></td></tr>\n";
418 		}
419 
420 		html += "</table>\n";
421 		html += "<h2><em>Testing & Experimental</em></h2>\n";
422 		html += "<table>\n";
423 		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>";
424 		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>";
425 		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>";
426 		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>";
427 		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>";
428 		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>";
429 		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>";
430 		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";
431 		html += "<option value='0'" + (config.frameBufferAPI == 0 ? selected : empty) + ">DirectDraw (default)</option>\n";
432 		html += "<option value='1'" + (config.frameBufferAPI == 1 ? selected : empty) + ">GDI</option>\n";
433 		html += "</select></td>\n";
434 		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>";
435 		html += "<tr><td>Shadow mapping extensions:</td><td><select name='shadowMapping' title='Features that may accelerate or improve the quality of shadow mapping.'>\n";
436 		html += "<option value='0'" + (config.shadowMapping == 0 ? selected : empty) + ">None</option>\n";
437 		html += "<option value='1'" + (config.shadowMapping == 1 ? selected : empty) + ">Fetch4</option>\n";
438 		html += "<option value='2'" + (config.shadowMapping == 2 ? selected : empty) + ">DST</option>\n";
439 		html += "<option value='3'" + (config.shadowMapping == 3 ? selected : empty) + ">Fetch4 & DST (default)</option>\n";
440 		html += "</select></td>\n";
441 		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>";
442 		html += "</table>\n";
443 	#ifndef NDEBUG
444 		html += "<h2><em>Debugging</em></h2>\n";
445 		html += "<table>\n";
446 		html += "<tr><td>Minimum primitives:</td><td><input type='text' size='10' maxlength='10' name='minPrimitives' value='" + itoa(config.minPrimitives) + "'></td></tr>\n";
447 		html += "<tr><td>Maximum primitives:</td><td><input type='text' size='10' maxlength='10' name='maxPrimitives' value='" + itoa(config.maxPrimitives) + "'></td></tr>\n";
448 		html += "</table>\n";
449 	#endif
450 		html += "<hr><p>\n";
451 		html += "<span style='font-size:10pt'>Hover the mouse pointer over a control to get additional information.</span><br>\n";
452 		html += "<span style='font-size:10pt'>Some settings can be applied interactively, some need a restart of the application.</span><br>\n";
453 		html += "<span style='font-size:10pt'>Removing the SwiftShader.ini file results in resetting the options to their default.</span></p>\n";
454 		html += "</form>\n";
455 		html += "</body>\n";
456 		html += "</html>\n";
457 
458 		profiler.reset();
459 
460 		return html;
461 	}
462 
profile()463 	std::string SwiftConfig::profile()
464 	{
465 		std::string html;
466 
467 		html += "<p>FPS: " + ftoa(profiler.FPS) + "</p>\n";
468 		html += "<p>Frame: " + itoa(profiler.framesTotal) + "</p>\n";
469 
470 		#if PERF_PROFILE
471 			int texTime = (int)(1000 * profiler.cycles[PERF_TEX] / profiler.cycles[PERF_PIXEL] + 0.5);
472 			int shaderTime = (int)(1000 * profiler.cycles[PERF_SHADER] / profiler.cycles[PERF_PIXEL] + 0.5);
473 			int pipeTime = (int)(1000 * profiler.cycles[PERF_PIPE] / profiler.cycles[PERF_PIXEL] + 0.5);
474 			int ropTime = (int)(1000 * profiler.cycles[PERF_ROP] / profiler.cycles[PERF_PIXEL] + 0.5);
475 			int interpTime = (int)(1000 * profiler.cycles[PERF_INTERP] / profiler.cycles[PERF_PIXEL] + 0.5);
476 			int rastTime = 1000 - pipeTime;
477 
478 			pipeTime -= shaderTime + ropTime + interpTime;
479 			shaderTime -= texTime;
480 
481 			double texTimeF = (double)texTime / 10;
482 			double shaderTimeF = (double)shaderTime / 10;
483 			double pipeTimeF = (double)pipeTime / 10;
484 			double ropTimeF = (double)ropTime / 10;
485 			double interpTimeF = (double)interpTime / 10;
486 			double rastTimeF = (double)rastTime / 10;
487 
488 			double averageRopOperations = profiler.ropOperationsTotal / std::max(profiler.framesTotal, 1) / 1.0e6f;
489 			double averageCompressedTex = profiler.compressedTexTotal / std::max(profiler.framesTotal, 1) / 1.0e6f;
490 			double averageTexOperations = profiler.texOperationsTotal / std::max(profiler.framesTotal, 1) / 1.0e6f;
491 
492 			html += "<p>Raster operations (million): " + ftoa(profiler.ropOperationsFrame / 1.0e6f) + " (current), " + ftoa(averageRopOperations) + " (average)</p>\n";
493 			html += "<p>Texture operations (million): " + ftoa(profiler.texOperationsFrame / 1.0e6f) + " (current), " + ftoa(averageTexOperations) + " (average)</p>\n";
494 			html += "<p>Compressed texture operations (million): " + ftoa(profiler.compressedTexFrame / 1.0e6f) + " (current), " + ftoa(averageCompressedTex) + " (average)</p>\n";
495 			html += "<div id='profile' style='position:relative; width:1010px; height:50px; background-color:silver;'>";
496 			html += "<div style='position:relative; width:1000px; height:40px; background-color:white; left:5px; top:5px;'>";
497 			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";
498 			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";
499 			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";
500 			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";
501 			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";
502 			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";
503 			html += "</div></div>\n";
504 
505 			for(int i = 0; i < PERF_TIMERS; i++)
506 			{
507 				profiler.cycles[i] = 0;
508 			}
509 		#endif
510 
511 		return html;
512 	}
513 
send(Socket * clientSocket,Status code,std::string body)514 	void SwiftConfig::send(Socket *clientSocket, Status code, std::string body)
515 	{
516 		std::string status;
517 		char header[1024];
518 
519 		switch(code)
520 		{
521 		case OK:       status += "HTTP/1.1 200 OK\r\n";        break;
522 		case NotFound: status += "HTTP/1.1 404 Not Found\r\n"; break;
523 		}
524 
525 		sprintf(header, "Content-Type: text/html; charset=UTF-8\r\n"
526 						"Content-Length: %zd\r\n"
527 						"Host: localhost\r\n"
528 						"\r\n", body.size());
529 
530 		std::string message = status + header + body;
531 		clientSocket->send(message.c_str(), (int)message.length());
532 	}
533 
parsePost(const char * post)534 	void SwiftConfig::parsePost(const char *post)
535 	{
536 		// Only enabled checkboxes appear in the POST
537 		config.enableSSE = true;
538 		config.enableSSE2 = false;
539 		config.enableSSE3 = false;
540 		config.enableSSSE3 = false;
541 		config.enableSSE4_1 = false;
542 		config.disableServer = false;
543 		config.forceWindowed = false;
544 		config.complementaryDepthBuffer = false;
545 		config.postBlendSRGB = false;
546 		config.exactColorRounding = false;
547 		config.disableAlphaMode = false;
548 		config.disable10BitMode = false;
549 		config.precache = false;
550 		config.forceClearRegisters = false;
551 
552 		while(*post != 0)
553 		{
554 			int integer;
555 			int index;
556 
557 			if(sscanf(post, "pixelShaderVersion=%d", &integer))
558 			{
559 				config.pixelShaderVersion = integer;
560 			}
561 			else if(sscanf(post, "vertexShaderVersion=%d", &integer))
562 			{
563 				config.vertexShaderVersion = integer;
564 			}
565 			else if(sscanf(post, "textureMemory=%d", &integer))
566 			{
567 				config.textureMemory = integer;
568 			}
569 			else if(sscanf(post, "identifier=%d", &integer))
570 			{
571 				config.identifier = integer;
572 			}
573 			else if(sscanf(post, "vertexRoutineCacheSize=%d", &integer))
574 			{
575 				config.vertexRoutineCacheSize = integer;
576 			}
577 			else if(sscanf(post, "pixelRoutineCacheSize=%d", &integer))
578 			{
579 				config.pixelRoutineCacheSize = integer;
580 			}
581 			else if(sscanf(post, "setupRoutineCacheSize=%d", &integer))
582 			{
583 				config.setupRoutineCacheSize = integer;
584 			}
585 			else if(sscanf(post, "vertexCacheSize=%d", &integer))
586 			{
587 				config.vertexCacheSize = integer;
588 			}
589 			else if(sscanf(post, "textureSampleQuality=%d", &integer))
590 			{
591 				config.textureSampleQuality = integer;
592 			}
593 			else if(sscanf(post, "mipmapQuality=%d", &integer))
594 			{
595 				config.mipmapQuality = integer;
596 			}
597 			else if(sscanf(post, "perspectiveCorrection=%d", &integer))
598 			{
599 				config.perspectiveCorrection = integer != 0;
600 			}
601 			else if(sscanf(post, "transcendentalPrecision=%d", &integer))
602 			{
603 				config.transcendentalPrecision = integer;
604 			}
605 			else if(sscanf(post, "transparencyAntialiasing=%d", &integer))
606 			{
607 				config.transparencyAntialiasing = integer;
608 			}
609 			else if(sscanf(post, "threadCount=%d", &integer))
610 			{
611 				config.threadCount = integer;
612 			}
613 			else if(sscanf(post, "frameBufferAPI=%d", &integer))
614 			{
615 				config.frameBufferAPI = integer;
616 			}
617 			else if(sscanf(post, "shadowMapping=%d", &integer))
618 			{
619 				config.shadowMapping = integer;
620 			}
621 			else if(strstr(post, "enableSSE=on"))
622 			{
623 				config.enableSSE = true;
624 			}
625 			else if(strstr(post, "enableSSE2=on"))
626 			{
627 				if(config.enableSSE)
628 				{
629 					config.enableSSE2 = true;
630 				}
631 			}
632 			else if(strstr(post, "enableSSE3=on"))
633 			{
634 				if(config.enableSSE2)
635 				{
636 					config.enableSSE3 = true;
637 				}
638 			}
639 			else if(strstr(post, "enableSSSE3=on"))
640 			{
641 				if(config.enableSSE3)
642 				{
643 					config.enableSSSE3 = true;
644 				}
645 			}
646 			else if(strstr(post, "enableSSE4_1=on"))
647 			{
648 				if(config.enableSSSE3)
649 				{
650 					config.enableSSE4_1 = true;
651 				}
652 			}
653 			else if(sscanf(post, "optimization%d=%d", &index, &integer))
654 			{
655 				config.optimization[index - 1] = (rr::Optimization)integer;
656 			}
657 			else if(strstr(post, "disableServer=on"))
658 			{
659 				config.disableServer = true;
660 			}
661 			else if(strstr(post, "forceWindowed=on"))
662 			{
663 				config.forceWindowed = true;
664 			}
665 			else if(strstr(post, "complementaryDepthBuffer=on"))
666 			{
667 				config.complementaryDepthBuffer = true;
668 			}
669 			else if(strstr(post, "postBlendSRGB=on"))
670 			{
671 				config.postBlendSRGB = true;
672 			}
673 			else if(strstr(post, "exactColorRounding=on"))
674 			{
675 				config.exactColorRounding = true;
676 			}
677 			else if(strstr(post, "disableAlphaMode=on"))
678 			{
679 				config.disableAlphaMode = true;
680 			}
681 			else if(strstr(post, "disable10BitMode=on"))
682 			{
683 				config.disable10BitMode = true;
684 			}
685 			else if(strstr(post, "precache=on"))
686 			{
687 				config.precache = true;
688 			}
689 			else if(strstr(post, "forceClearRegisters=on"))
690 			{
691 				config.forceClearRegisters = true;
692 			}
693 		#ifndef NDEBUG
694 			else if(sscanf(post, "minPrimitives=%d", &integer))
695 			{
696 				config.minPrimitives = integer;
697 			}
698 			else if(sscanf(post, "maxPrimitives=%d", &integer))
699 			{
700 				config.maxPrimitives = integer;
701 			}
702 		#endif
703 			else
704 			{
705 				ASSERT(false);
706 			}
707 
708 			do
709 			{
710 				post++;
711 			}
712 			while(post[-1] != '&' && *post != 0);
713 		}
714 	}
715 
readConfiguration(bool disableServerOverride)716 	void SwiftConfig::readConfiguration(bool disableServerOverride)
717 	{
718 		Configurator ini("SwiftShader.ini");
719 
720 		config.pixelShaderVersion = ini.getInteger("Capabilities", "PixelShaderVersion", 30);
721 		config.vertexShaderVersion = ini.getInteger("Capabilities", "VertexShaderVersion", 30);
722 		config.textureMemory = ini.getInteger("Capabilities", "TextureMemory", 256);
723 		config.identifier = ini.getInteger("Capabilities", "Identifier", 0);
724 		config.vertexRoutineCacheSize = ini.getInteger("Caches", "VertexRoutineCacheSize", 1024);
725 		config.pixelRoutineCacheSize = ini.getInteger("Caches", "PixelRoutineCacheSize", 1024);
726 		config.setupRoutineCacheSize = ini.getInteger("Caches", "SetupRoutineCacheSize", 1024);
727 		config.vertexCacheSize = ini.getInteger("Caches", "VertexCacheSize", 64);
728 		config.textureSampleQuality = ini.getInteger("Quality", "TextureSampleQuality", 2);
729 		config.mipmapQuality = ini.getInteger("Quality", "MipmapQuality", 1);
730 		config.perspectiveCorrection = ini.getBoolean("Quality", "PerspectiveCorrection", true);
731 		config.transcendentalPrecision = ini.getInteger("Quality", "TranscendentalPrecision", 2);
732 		config.transparencyAntialiasing = ini.getInteger("Quality", "TransparencyAntialiasing", 0);
733 		config.threadCount = ini.getInteger("Processor", "ThreadCount", DEFAULT_THREAD_COUNT);
734 		config.enableSSE = ini.getBoolean("Processor", "EnableSSE", true);
735 		config.enableSSE2 = ini.getBoolean("Processor", "EnableSSE2", true);
736 		config.enableSSE3 = ini.getBoolean("Processor", "EnableSSE3", true);
737 		config.enableSSSE3 = ini.getBoolean("Processor", "EnableSSSE3", true);
738 		config.enableSSE4_1 = ini.getBoolean("Processor", "EnableSSE4_1", true);
739 
740 		for(int pass = 0; pass < 10; pass++)
741 		{
742 			config.optimization[pass] = (rr::Optimization)ini.getInteger("Optimization", "OptimizationPass" + itoa(pass + 1), pass == 0 ? rr::InstructionCombining : rr::Disabled);
743 		}
744 
745 		config.disableServer = ini.getBoolean("Testing", "DisableServer", false);
746 		config.forceWindowed = ini.getBoolean("Testing", "ForceWindowed", false);
747 		config.complementaryDepthBuffer = ini.getBoolean("Testing", "ComplementaryDepthBuffer", false);
748 		config.postBlendSRGB = ini.getBoolean("Testing", "PostBlendSRGB", false);
749 		config.exactColorRounding = ini.getBoolean("Testing", "ExactColorRounding", true);
750 		config.disableAlphaMode = ini.getBoolean("Testing", "DisableAlphaMode", false);
751 		config.disable10BitMode = ini.getBoolean("Testing", "Disable10BitMode", false);
752 		config.frameBufferAPI = ini.getInteger("Testing", "FrameBufferAPI", 0);
753 		config.precache = ini.getBoolean("Testing", "Precache", false);
754 		config.shadowMapping = ini.getInteger("Testing", "ShadowMapping", 3);
755 		config.forceClearRegisters = ini.getBoolean("Testing", "ForceClearRegisters", false);
756 
757 	#ifndef NDEBUG
758 		config.minPrimitives = 1;
759 		config.maxPrimitives = 1 << 21;
760 	#endif
761 
762 		struct stat status;
763 		int lastModified = ini.getInteger("LastModified", "Time", 0);
764 
765 		bool noConfig = stat("SwiftShader.ini", &status) != 0;
766 		newConfig = !noConfig && abs((int)status.st_mtime - lastModified) > 1;
767 
768 		if(disableServerOverride)
769 		{
770 			config.disableServer = true;
771 		}
772 	}
773 
writeConfiguration()774 	void SwiftConfig::writeConfiguration()
775 	{
776 		Configurator ini("SwiftShader.ini");
777 
778 		ini.addValue("Capabilities", "PixelShaderVersion", itoa(config.pixelShaderVersion));
779 		ini.addValue("Capabilities", "VertexShaderVersion", itoa(config.vertexShaderVersion));
780 		ini.addValue("Capabilities", "TextureMemory", itoa(config.textureMemory));
781 		ini.addValue("Capabilities", "Identifier", itoa(config.identifier));
782 		ini.addValue("Caches", "VertexRoutineCacheSize", itoa(config.vertexRoutineCacheSize));
783 		ini.addValue("Caches", "PixelRoutineCacheSize", itoa(config.pixelRoutineCacheSize));
784 		ini.addValue("Caches", "SetupRoutineCacheSize", itoa(config.setupRoutineCacheSize));
785 		ini.addValue("Caches", "VertexCacheSize", itoa(config.vertexCacheSize));
786 		ini.addValue("Quality", "TextureSampleQuality", itoa(config.textureSampleQuality));
787 		ini.addValue("Quality", "MipmapQuality", itoa(config.mipmapQuality));
788 		ini.addValue("Quality", "PerspectiveCorrection", itoa(config.perspectiveCorrection));
789 		ini.addValue("Quality", "TranscendentalPrecision", itoa(config.transcendentalPrecision));
790 		ini.addValue("Quality", "TransparencyAntialiasing", itoa(config.transparencyAntialiasing));
791 		ini.addValue("Processor", "ThreadCount", itoa(config.threadCount));
792 	//	ini.addValue("Processor", "EnableSSE", itoa(config.enableSSE));
793 		ini.addValue("Processor", "EnableSSE2", itoa(config.enableSSE2));
794 		ini.addValue("Processor", "EnableSSE3", itoa(config.enableSSE3));
795 		ini.addValue("Processor", "EnableSSSE3", itoa(config.enableSSSE3));
796 		ini.addValue("Processor", "EnableSSE4_1", itoa(config.enableSSE4_1));
797 
798 		for(int pass = 0; pass < 10; pass++)
799 		{
800 			ini.addValue("Optimization", "OptimizationPass" + itoa(pass + 1), itoa(config.optimization[pass]));
801 		}
802 
803 		ini.addValue("Testing", "DisableServer", itoa(config.disableServer));
804 		ini.addValue("Testing", "ForceWindowed", itoa(config.forceWindowed));
805 		ini.addValue("Testing", "ComplementaryDepthBuffer", itoa(config.complementaryDepthBuffer));
806 		ini.addValue("Testing", "PostBlendSRGB", itoa(config.postBlendSRGB));
807 		ini.addValue("Testing", "ExactColorRounding", itoa(config.exactColorRounding));
808 		ini.addValue("Testing", "DisableAlphaMode", itoa(config.disableAlphaMode));
809 		ini.addValue("Testing", "Disable10BitMode", itoa(config.disable10BitMode));
810 		ini.addValue("Testing", "FrameBufferAPI", itoa(config.frameBufferAPI));
811 		ini.addValue("Testing", "Precache", itoa(config.precache));
812 		ini.addValue("Testing", "ShadowMapping", itoa(config.shadowMapping));
813 		ini.addValue("Testing", "ForceClearRegisters", itoa(config.forceClearRegisters));
814 		ini.addValue("LastModified", "Time", itoa((int)time(0)));
815 
816 		ini.writeFile("SwiftShader Configuration File\n"
817 		              ";\n"
818 					  "; To get an overview of the valid settings and their meaning,\n"
819 					  "; run the application in windowed mode and open the\n"
820 					  "; SwiftConfig application or go to http://localhost:8080/swiftconfig.");
821 	}
822 }
823