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
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 ##########################################################################/
29 from retrace import Retracer
32 class GlRetracer(Retracer):
34 def retrace_function(self, function):
35 Retracer.retrace_function(self, function)
37 def call_function(self, function):
38 if function.name in ("glDrawArrays", "glDrawElements", "glDrawRangeElements", "glMultiDrawElements"):
39 print ' GLint __array_buffer = 0;'
40 print ' glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &__array_buffer);'
41 print ' if (!__array_buffer) {'
42 self.fail_function(function)
45 if function.name == "glViewport":
46 print ' if (x + width > __window_width) {'
47 print ' __window_width = x + width;'
48 print ' __reshape_window = true;'
50 print ' if (y + height > __window_height) {'
51 print ' __window_height = y + height;'
52 print ' __reshape_window = true;'
55 if function.name == "glEnd":
56 print ' insideGlBeginEnd = false;'
58 Retracer.call_function(self, function)
60 if function.name == "glBegin":
61 print ' insideGlBeginEnd = true;'
63 # glGetError is not allowed inside glBegin/glEnd
64 print ' checkGlError();'
67 def extract_arg(self, function, arg, arg_type, lvalue, rvalue):
76 "glSecondaryColorPointer",
77 "glVertexAttribPointer",
78 ] and arg.name == 'pointer':
79 self.extract_pointer(function, arg, arg_type, lvalue, rvalue)
81 Retracer.extract_arg(self, function, arg, arg_type, lvalue, rvalue)
83 def extract_pointer(self, function, arg, arg_type, lvalue, rvalue):
84 print ' if (dynamic_cast<Trace::Null *>(&%s)) {' % rvalue
85 print ' %s = 0;' % (lvalue)
87 print ' %s = (%s)(uintptr_t)(%s);' % (lvalue, arg_type, rvalue)
91 if __name__ == '__main__':
99 static bool double_buffer = false;
100 static bool insideGlBeginEnd = false;
102 static int __window_width = 256, __window_height = 256;
103 bool __reshape_window = false;
105 unsigned __frame = 0;
106 long long __startTime = 0;
107 bool __screenshots = 0;
112 if (insideGlBeginEnd) {
116 GLenum error = glGetError();
117 if (error == GL_NO_ERROR) {
121 std::cerr << "warning: glGetError() = ";
123 case GL_INVALID_ENUM:
124 std::cerr << "GL_INVALID_ENUM";
126 case GL_INVALID_VALUE:
127 std::cerr << "GL_INVALID_VALUE";
129 case GL_INVALID_OPERATION:
130 std::cerr << "GL_INVALID_OPERATION";
132 case GL_STACK_OVERFLOW:
133 std::cerr << "GL_STACK_OVERFLOW";
135 case GL_STACK_UNDERFLOW:
136 std::cerr << "GL_STACK_UNDERFLOW";
138 case GL_OUT_OF_MEMORY:
139 std::cerr << "GL_OUT_OF_MEMORY";
141 case GL_INVALID_FRAMEBUFFER_OPERATION:
142 std::cerr << "GL_INVALID_FRAMEBUFFER_OPERATION";
144 case GL_TABLE_TOO_LARGE:
145 std::cerr << "GL_TABLE_TOO_LARGE";
155 retracer = GlRetracer()
156 retracer.retrace_api(glapi.glapi)
159 static Trace::Parser parser;
161 static void display_noop(void) {
166 static void frame_complete(void) {
169 if (__screenshots && !__reshape_window) {
170 char filename[PATH_MAX];
171 snprintf(filename, sizeof filename, "screenshot_%04u.bmp", __frame);
172 unsigned char *pixels = new unsigned char[__window_height*__window_width*4];
173 glReadPixels(0, 0, __window_width, __window_height, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
174 BMP::write(filename, pixels, __window_width, __window_height, __window_width*4);
179 static void display(void) {
182 while ((call = parser.parse_call())) {
183 if (call->name() == "glFlush") {
185 if (!double_buffer) {
190 if (!retrace_call(*call)) {
191 if (call->name() == "glXSwapBuffers" ||
192 call->name() == "wglSwapBuffers") {
203 // Reached the end of trace
206 long long endTime = OS::GetTime();
207 float timeInterval = (endTime - __startTime) * 1.0E-6;
210 "Rendered " << __frame << " frames"
211 " in " << timeInterval << " secs,"
212 " average of " << (__frame/timeInterval) << " fps\n";
214 glutDisplayFunc(&display_noop);
218 static void idle(void) {
219 if (__reshape_window) {
220 // XXX: doesn't quite work
221 glutReshapeWindow(__window_width, __window_height);
222 __reshape_window = false;
227 int main(int argc, char **argv)
231 for (i = 1; i < argc; ++i) {
232 const char *arg = argv[i];
238 if (!strcmp(arg, "--")) {
240 } else if (!strcmp(arg, "-db")) {
241 double_buffer = true;
242 } else if (!strcmp(arg, "-s")) {
243 __screenshots = true;
244 } else if (!strcmp(arg, "-v")) {
247 std::cerr << "error: unknown option " << arg << "\n";
252 glutInit(&argc, argv);
253 glutInitWindowPosition(0, 0);
254 glutInitWindowSize(__window_width, __window_height);
255 glutInitDisplayMode(GLUT_DEPTH | GLUT_RGB | (double_buffer ? GLUT_DOUBLE : GLUT_SINGLE));
256 glutCreateWindow(argv[0]);
258 glutDisplayFunc(&display);
261 for (GLuint h = 0; h < 1024; ++h) {
265 for ( ; i < argc; ++i) {
266 if (parser.open(argv[i])) {
267 __startTime = OS::GetTime();