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
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
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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 ##########################################################################/
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;
167 bool __benchmark = false;
168 const char *__compare_prefix = NULL;
169 const char *__snapshot_prefix = NULL;
174 if (__benchmark || insideGlBeginEnd) {
178 GLenum error = glGetError();
179 if (error == GL_NO_ERROR) {
183 std::cerr << "warning: glGetError() = ";
185 case GL_INVALID_ENUM:
186 std::cerr << "GL_INVALID_ENUM";
188 case GL_INVALID_VALUE:
189 std::cerr << "GL_INVALID_VALUE";
191 case GL_INVALID_OPERATION:
192 std::cerr << "GL_INVALID_OPERATION";
194 case GL_STACK_OVERFLOW:
195 std::cerr << "GL_STACK_OVERFLOW";
197 case GL_STACK_UNDERFLOW:
198 std::cerr << "GL_STACK_UNDERFLOW";
200 case GL_OUT_OF_MEMORY:
201 std::cerr << "GL_OUT_OF_MEMORY";
203 case GL_INVALID_FRAMEBUFFER_OPERATION:
204 std::cerr << "GL_INVALID_FRAMEBUFFER_OPERATION";
206 case GL_TABLE_TOO_LARGE:
207 std::cerr << "GL_TABLE_TOO_LARGE";
217 retracer = GlRetracer()
218 retracer.retrace_api(glapi.glapi)
221 static Trace::Parser parser;
223 static void display_noop(void) {
228 static void snapshot(Image::Image &image) {
229 GLint drawbuffer = double_buffer ? GL_BACK : GL_FRONT;
230 GLint readbuffer = double_buffer ? GL_BACK : GL_FRONT;
231 glGetIntegerv(GL_READ_BUFFER, &drawbuffer);
232 glGetIntegerv(GL_READ_BUFFER, &readbuffer);
233 glReadBuffer(drawbuffer);
234 glReadPixels(0, 0, image.width, image.height, GL_RGBA, GL_UNSIGNED_BYTE, image.pixels);
236 glReadBuffer(readbuffer);
239 static void frame_complete(void) {
242 if (!__reshape_window && (__snapshot_prefix || __compare_prefix)) {
243 Image::Image *ref = NULL;
244 if (__compare_prefix) {
245 char filename[PATH_MAX];
246 snprintf(filename, sizeof filename, "%s%04u.png", __compare_prefix, __frame);
247 ref = Image::readPNG(filename);
252 std::cout << "Read " << filename << "\n";
255 Image::Image src(__window_width, __window_height, true);
258 if (__snapshot_prefix) {
259 char filename[PATH_MAX];
260 snprintf(filename, sizeof filename, "%s%04u.png", __snapshot_prefix, __frame);
261 if (src.writePNG(filename) && verbosity >= 0) {
262 std::cout << "Wrote " << filename << "\n";
267 std::cout << "Frame " << __frame << " average precision of " << src.compare(*ref) << " bits\n";
274 static void display(void) {
277 while ((call = parser.parse_call())) {
278 const std::string &name = call->name();
280 if ((name[0] == 'w' && name[1] == 'g' && name[2] == 'l') ||
281 (name[0] == 'g' && name[1] == 'l' && name[2] == 'X')) {
282 // XXX: We ignore the majority of the OS-specific calls for now
283 if (name == "glXSwapBuffers" ||
284 name == "wglSwapBuffers") {
296 if (name == "glFlush") {
297 if (!double_buffer) {
308 // Reached the end of trace
311 long long endTime = OS::GetTime();
312 float timeInterval = (endTime - __startTime) * 1.0E-6;
315 "Rendered " << __frame << " frames"
316 " in " << timeInterval << " secs,"
317 " average of " << (__frame/timeInterval) << " fps\n";
320 glutDisplayFunc(&display_noop);
327 static void idle(void) {
328 if (__reshape_window) {
329 // XXX: doesn't quite work
330 glutReshapeWindow(__window_width, __window_height);
331 __reshape_window = false;
336 static void usage(void) {
338 "Usage: glretrace [OPTION] TRACE\n"
341 " -b benchmark (no glgeterror; no messages)\n"
342 " -c PREFIX compare against snapshots\n"
343 " -db use a double buffer visual\n"
344 " -s PREFIX take snapshots\n"
345 " -v verbose output\n";
348 int main(int argc, char **argv)
352 for (i = 1; i < argc; ++i) {
353 const char *arg = argv[i];
359 if (!strcmp(arg, "--")) {
361 } else if (!strcmp(arg, "-b")) {
364 } else if (!strcmp(arg, "-c")) {
365 __compare_prefix = argv[++i];
366 } else if (!strcmp(arg, "-db")) {
367 double_buffer = true;
368 } else if (!strcmp(arg, "--help")) {
371 } else if (!strcmp(arg, "-s")) {
372 __snapshot_prefix = argv[++i];
373 } else if (!strcmp(arg, "-v")) {
375 } else if (!strcmp(arg, "-w")) {
378 std::cerr << "error: unknown option " << arg << "\n";
384 glutInit(&argc, argv);
385 glutInitWindowPosition(0, 0);
386 glutInitWindowSize(__window_width, __window_height);
387 glutInitDisplayMode(GLUT_DEPTH | GLUT_RGB | (double_buffer ? GLUT_DOUBLE : GLUT_SINGLE));
388 glutCreateWindow(argv[0]);
390 glutDisplayFunc(&display);
393 for (GLuint h = 0; h < 1024; ++h) {
397 for ( ; i < argc; ++i) {
398 if (parser.open(argv[i])) {
399 __startTime = OS::GetTime();