1 /**************************************************************************
3 * Copyright 2011 Jose Fonseca
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 **************************************************************************/
30 #include "retrace.hpp"
32 #include "glstate.hpp"
33 #include "glretrace.hpp"
38 bool double_buffer = false;
39 bool insideGlBeginEnd = false;
41 glws::WindowSystem *ws = NULL;
42 glws::Visual *visual = NULL;
43 glws::Drawable *drawable = NULL;
44 glws::Context *context = NULL;
47 long long startTime = 0;
50 bool benchmark = false;
51 const char *compare_prefix = NULL;
52 const char *snapshot_prefix = NULL;
54 unsigned dump_state = ~0;
57 checkGlError(Trace::Call &call) {
58 GLenum error = glGetError();
59 if (error == GL_NO_ERROR) {
63 if (retrace::verbosity == 0) {
68 std::cerr << call.no << ": ";
69 std::cerr << "warning: glGetError(";
70 std::cerr << call.name();
75 std::cerr << "GL_INVALID_ENUM";
77 case GL_INVALID_VALUE:
78 std::cerr << "GL_INVALID_VALUE";
80 case GL_INVALID_OPERATION:
81 std::cerr << "GL_INVALID_OPERATION";
83 case GL_STACK_OVERFLOW:
84 std::cerr << "GL_STACK_OVERFLOW";
86 case GL_STACK_UNDERFLOW:
87 std::cerr << "GL_STACK_UNDERFLOW";
89 case GL_OUT_OF_MEMORY:
90 std::cerr << "GL_OUT_OF_MEMORY";
92 case GL_INVALID_FRAMEBUFFER_OPERATION:
93 std::cerr << "GL_INVALID_FRAMEBUFFER_OPERATION";
95 case GL_TABLE_TOO_LARGE:
96 std::cerr << "GL_TABLE_TOO_LARGE";
106 void snapshot(unsigned call_no) {
108 (!snapshot_prefix && !compare_prefix)) {
112 Image::Image *ref = NULL;
114 if (compare_prefix) {
115 char filename[PATH_MAX];
116 snprintf(filename, sizeof filename, "%s%010u.png", compare_prefix, call_no);
117 ref = Image::readPNG(filename);
121 if (retrace::verbosity >= 0) {
122 std::cout << "Read " << filename << "\n";
126 Image::Image *src = glstate::getDrawBufferImage(GL_RGBA);
131 if (snapshot_prefix) {
132 char filename[PATH_MAX];
133 snprintf(filename, sizeof filename, "%s%010u.png", snapshot_prefix, call_no);
134 if (src->writePNG(filename) && retrace::verbosity >= 0) {
135 std::cout << "Wrote " << filename << "\n";
140 std::cout << "Snapshot " << call_no << " average precision of " << src->compare(*ref) << " bits\n";
148 void frame_complete(unsigned call_no) {
155 static void display(void) {
158 while ((call = parser.parse_call())) {
159 const char *name = call->name();
161 if (retrace::verbosity >= 1) {
166 if (name[0] == 'C' && name[1] == 'G' && name[2] == 'L') {
167 glretrace::retrace_call_cgl(*call);
169 else if (name[0] == 'w' && name[1] == 'g' && name[2] == 'l') {
170 glretrace::retrace_call_wgl(*call);
172 else if (name[0] == 'g' && name[1] == 'l' && name[2] == 'X') {
173 glretrace::retrace_call_glx(*call);
175 retrace::retrace_call(*call);
178 if (!insideGlBeginEnd &&
179 drawable && context &&
180 call->no >= dump_state) {
181 glstate::dumpCurrentContext(std::cout);
188 // Reached the end of trace
191 long long endTime = OS::GetTime();
192 float timeInterval = (endTime - startTime) * 1.0E-6;
194 if (retrace::verbosity >= -1) {
196 "Rendered " << frame << " frames"
197 " in " << timeInterval << " secs,"
198 " average of " << (frame/timeInterval) << " fps\n";
202 while (ws->processEvents()) {}
209 static void usage(void) {
211 "Usage: glretrace [OPTION] TRACE\n"
214 " -b benchmark (no glgeterror; no messages)\n"
215 " -c PREFIX compare against snapshots\n"
216 " -db use a double buffer visual\n"
217 " -s PREFIX take snapshots\n"
218 " -v verbose output\n"
219 " -D CALLNO dump state at specific call no\n"
220 " -w wait on final frame\n";
224 int main(int argc, char **argv)
228 for (i = 1; i < argc; ++i) {
229 const char *arg = argv[i];
235 if (!strcmp(arg, "--")) {
237 } else if (!strcmp(arg, "-b")) {
239 retrace::verbosity = -1;
240 } else if (!strcmp(arg, "-c")) {
241 compare_prefix = argv[++i];
242 } else if (!strcmp(arg, "-D")) {
243 dump_state = atoi(argv[++i]);
244 retrace::verbosity = -2;
245 } else if (!strcmp(arg, "-db")) {
246 double_buffer = true;
247 } else if (!strcmp(arg, "--help")) {
250 } else if (!strcmp(arg, "-s")) {
251 snapshot_prefix = argv[++i];
252 } else if (!strcmp(arg, "-v")) {
253 ++retrace::verbosity;
254 } else if (!strcmp(arg, "-w")) {
257 std::cerr << "error: unknown option " << arg << "\n";
263 ws = glws::createNativeWindowSystem();
264 visual = ws->createVisual(double_buffer);
266 for ( ; i < argc; ++i) {
267 if (parser.open(argv[i])) {
268 startTime = OS::GetTime();
277 } /* namespace glretrace */