1 ##########################################################################
3 # Copyright 2010 VMware, Inc.
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
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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
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21 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 ##########################################################################/
27 """GL retracer generator."""
32 from retrace import Retracer
35 class GlRetracer(Retracer):
37 def retrace_function(self, function):
38 Retracer.retrace_function(self, function)
40 draw_array_function_names = set([
43 "glDrawArraysIndirect",
44 "glDrawArraysInstanced",
45 "glDrawArraysInstancedARB",
46 "glDrawArraysInstancedEXT",
47 "glDrawMeshArraysSUN",
49 "glMultiDrawArraysEXT",
50 "glMultiModeDrawArraysIBM",
53 draw_elements_function_names = set([
55 "glDrawElementsBaseVertex",
56 "glDrawElementsIndirect",
57 "glDrawElementsInstanced",
58 "glDrawElementsInstancedARB",
59 "glDrawElementsInstancedBaseVertex",
60 "glDrawElementsInstancedEXT",
61 "glDrawRangeElements",
62 "glDrawRangeElementsBaseVertex",
63 "glDrawRangeElementsEXT",
64 "glMultiDrawElements",
65 "glMultiDrawElementsBaseVertex",
66 "glMultiDrawElementsEXT",
67 "glMultiModeDrawElementsIBM",
70 def call_function(self, function):
71 if (function.name in self.draw_array_function_names or
72 function.name in self.draw_elements_function_names):
73 print ' GLint __array_buffer = 0;'
74 print ' glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &__array_buffer);'
75 print ' if (!__array_buffer) {'
76 self.fail_function(function)
79 if function.name in self.draw_elements_function_names:
80 print ' GLint __element_array_buffer = 0;'
81 print ' glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &__element_array_buffer);'
82 print ' if (!__element_array_buffer) {'
83 self.fail_function(function)
86 if function.name == "glViewport":
87 print ' if (x + width > __window_width) {'
88 print ' __window_width = x + width;'
89 print ' __reshape_window = true;'
91 print ' if (y + height > __window_height) {'
92 print ' __window_height = y + height;'
93 print ' __reshape_window = true;'
96 if function.name == "glEnd":
97 print ' insideGlBeginEnd = false;'
99 Retracer.call_function(self, function)
101 if function.name == "glBegin":
102 print ' insideGlBeginEnd = true;'
104 # glGetError is not allowed inside glBegin/glEnd
105 print ' checkGlError();'
107 pointer_function_names = set([
111 "glEdgeFlagPointerEXT",
113 "glFogCoordPointerEXT",
116 "glMatrixIndexPointerARB",
118 "glNormalPointerEXT",
119 "glSecondaryColorPointer",
120 "glSecondaryColorPointerEXT",
122 "glTexCoordPointerEXT",
123 "glVertexAttribLPointer",
124 "glVertexAttribPointer",
125 "glVertexAttribPointerARB",
126 "glVertexAttribPointerNV",
128 "glVertexPointerEXT",
131 def extract_arg(self, function, arg, arg_type, lvalue, rvalue):
132 if (function.name in self.pointer_function_names and arg.name == 'pointer' or
133 function.name in self.draw_elements_function_names and arg.name == 'indices'):
134 print ' if (dynamic_cast<Trace::Null *>(&%s)) {' % rvalue
135 print ' %s = 0;' % (lvalue)
137 print ' %s = (%s)(uintptr_t)(%s);' % (lvalue, arg_type, rvalue)
141 if function.name.startswith('glUniform') and function.args[0].name == arg.name == 'location':
142 print ' GLint program = -1;'
143 print ' glGetIntegerv(GL_CURRENT_PROGRAM, &program);'
145 Retracer.extract_arg(self, function, arg, arg_type, lvalue, rvalue)
148 if __name__ == '__main__':
154 #include "glproc.hpp"
157 static bool double_buffer = false;
158 static bool insideGlBeginEnd = false;
160 static int __window_width = 256, __window_height = 256;
161 bool __reshape_window = false;
163 unsigned __frame = 0;
164 long long __startTime = 0;
169 } __mode = MODE_DISPLAY;
171 const char *__snapshot_prefix = "";
176 if (insideGlBeginEnd) {
180 GLenum error = glGetError();
181 if (error == GL_NO_ERROR) {
185 std::cerr << "warning: glGetError() = ";
187 case GL_INVALID_ENUM:
188 std::cerr << "GL_INVALID_ENUM";
190 case GL_INVALID_VALUE:
191 std::cerr << "GL_INVALID_VALUE";
193 case GL_INVALID_OPERATION:
194 std::cerr << "GL_INVALID_OPERATION";
196 case GL_STACK_OVERFLOW:
197 std::cerr << "GL_STACK_OVERFLOW";
199 case GL_STACK_UNDERFLOW:
200 std::cerr << "GL_STACK_UNDERFLOW";
202 case GL_OUT_OF_MEMORY:
203 std::cerr << "GL_OUT_OF_MEMORY";
205 case GL_INVALID_FRAMEBUFFER_OPERATION:
206 std::cerr << "GL_INVALID_FRAMEBUFFER_OPERATION";
208 case GL_TABLE_TOO_LARGE:
209 std::cerr << "GL_TABLE_TOO_LARGE";
219 retracer = GlRetracer()
220 retracer.retrace_api(glapi.glapi)
223 static Trace::Parser parser;
225 static void display_noop(void) {
230 static void frame_complete(void) {
233 if (!__reshape_window && (__mode == MODE_SNAPSHOT || __mode == MODE_COMPARE)) {
234 char filename[PATH_MAX];
236 snprintf(filename, sizeof filename, "%s%04u.png", __snapshot_prefix, __frame);
238 Image::Image *ref = NULL;
239 if (__mode == MODE_COMPARE) {
240 ref = Image::readPNG(filename);
245 std::cout << "Read " << filename << "\n";
248 Image::Image src(__window_width, __window_height, true);
249 glReadPixels(0, 0, __window_width, __window_height, GL_RGBA, GL_UNSIGNED_BYTE, src.pixels);
251 if (__mode == MODE_SNAPSHOT) {
252 if (src.writePNG(filename) && verbosity) {
253 std::cout << "Wrote " << filename << "\n";
257 if (__mode == MODE_COMPARE) {
258 std::cout << "Frame " << __frame << " average precision of " << src.compare(*ref) << " bits\n";
265 static void display(void) {
268 while ((call = parser.parse_call())) {
269 const std::string &name = call->name();
271 if ((name[0] == 'w' && name[1] == 'g' && name[2] == 'l') ||
272 (name[0] == 'g' && name[1] == 'l' && name[2] == 'X')) {
273 // XXX: We ignore the majority of the OS-specific calls for now
274 if (name == "glXSwapBuffers" ||
275 name == "wglSwapBuffers") {
287 if (name == "glFlush") {
289 if (!double_buffer) {
297 // Reached the end of trace
300 long long endTime = OS::GetTime();
301 float timeInterval = (endTime - __startTime) * 1.0E-6;
304 "Rendered " << __frame << " frames"
305 " in " << timeInterval << " secs,"
306 " average of " << (__frame/timeInterval) << " fps\n";
308 if (__mode == MODE_DISPLAY) {
309 glutDisplayFunc(&display_noop);
316 static void idle(void) {
317 if (__reshape_window) {
318 // XXX: doesn't quite work
319 glutReshapeWindow(__window_width, __window_height);
320 __reshape_window = false;
325 static void usage(void) {
327 "Usage: glretrace [OPTION] TRACE\n"
330 " -c compare against snapshots\n"
331 " -db use a double buffer visual\n"
332 " -p PREFIX snapshot prefix\n"
333 " -s take snapshots\n"
334 " -v verbose output\n";
337 int main(int argc, char **argv)
341 for (i = 1; i < argc; ++i) {
342 const char *arg = argv[i];
348 if (!strcmp(arg, "--")) {
350 } else if (!strcmp(arg, "-c")) {
351 __mode = MODE_COMPARE;
352 } else if (!strcmp(arg, "-db")) {
353 double_buffer = true;
354 } else if (!strcmp(arg, "--help")) {
357 } else if (!strcmp(arg, "-p")) {
358 __snapshot_prefix = argv[++i];
359 } else if (!strcmp(arg, "-s")) {
360 __mode = MODE_SNAPSHOT;
361 } else if (!strcmp(arg, "-v")) {
364 std::cerr << "error: unknown option " << arg << "\n";
370 glutInit(&argc, argv);
371 glutInitWindowPosition(0, 0);
372 glutInitWindowSize(__window_width, __window_height);
373 glutInitDisplayMode(GLUT_DEPTH | GLUT_RGB | (double_buffer ? GLUT_DOUBLE : GLUT_SINGLE));
374 glutCreateWindow(argv[0]);
376 glutDisplayFunc(&display);
379 for (GLuint h = 0; h < 1024; ++h) {
383 for ( ; i < argc; ++i) {
384 if (parser.open(argv[i])) {
385 __startTime = OS::GetTime();