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):
72 "glEdgeFlagPointerEXT",
74 "glFogCoordPointerEXT",
77 "glMatrixIndexPointerARB",
80 "glSecondaryColorPointer",
81 "glSecondaryColorPointerEXT",
83 "glTexCoordPointerEXT",
84 "glVertexAttribLPointer",
85 "glVertexAttribPointer",
86 "glVertexAttribPointerARB",
87 "glVertexAttribPointerNV",
90 ] and arg.name == 'pointer':
91 self.extract_pointer(function, arg, arg_type, lvalue, rvalue)
93 Retracer.extract_arg(self, function, arg, arg_type, lvalue, rvalue)
95 def extract_pointer(self, function, arg, arg_type, lvalue, rvalue):
96 print ' if (dynamic_cast<Trace::Null *>(&%s)) {' % rvalue
97 print ' %s = 0;' % (lvalue)
99 print ' %s = (%s)(uintptr_t)(%s);' % (lvalue, arg_type, rvalue)
103 if __name__ == '__main__':
108 #include "glproc.hpp"
111 static bool double_buffer = false;
112 static bool insideGlBeginEnd = false;
114 static int __window_width = 256, __window_height = 256;
115 bool __reshape_window = false;
117 unsigned __frame = 0;
118 long long __startTime = 0;
119 bool __screenshots = 0;
124 if (insideGlBeginEnd) {
128 GLenum error = glGetError();
129 if (error == GL_NO_ERROR) {
133 std::cerr << "warning: glGetError() = ";
135 case GL_INVALID_ENUM:
136 std::cerr << "GL_INVALID_ENUM";
138 case GL_INVALID_VALUE:
139 std::cerr << "GL_INVALID_VALUE";
141 case GL_INVALID_OPERATION:
142 std::cerr << "GL_INVALID_OPERATION";
144 case GL_STACK_OVERFLOW:
145 std::cerr << "GL_STACK_OVERFLOW";
147 case GL_STACK_UNDERFLOW:
148 std::cerr << "GL_STACK_UNDERFLOW";
150 case GL_OUT_OF_MEMORY:
151 std::cerr << "GL_OUT_OF_MEMORY";
153 case GL_INVALID_FRAMEBUFFER_OPERATION:
154 std::cerr << "GL_INVALID_FRAMEBUFFER_OPERATION";
156 case GL_TABLE_TOO_LARGE:
157 std::cerr << "GL_TABLE_TOO_LARGE";
167 retracer = GlRetracer()
168 retracer.retrace_api(glapi.glapi)
171 static Trace::Parser parser;
173 static void display_noop(void) {
178 static void frame_complete(void) {
181 if (__screenshots && !__reshape_window) {
182 char filename[PATH_MAX];
183 snprintf(filename, sizeof filename, "screenshot_%04u.bmp", __frame);
184 unsigned char *pixels = new unsigned char[__window_height*__window_width*4];
185 glReadPixels(0, 0, __window_width, __window_height, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
186 BMP::write(filename, pixels, __window_width, __window_height, __window_width*4);
191 static void display(void) {
194 while ((call = parser.parse_call())) {
195 if (call->name() == "glFlush") {
197 if (!double_buffer) {
202 if (!retrace_call(*call)) {
203 if (call->name() == "glXSwapBuffers" ||
204 call->name() == "wglSwapBuffers") {
215 // Reached the end of trace
218 long long endTime = OS::GetTime();
219 float timeInterval = (endTime - __startTime) * 1.0E-6;
222 "Rendered " << __frame << " frames"
223 " in " << timeInterval << " secs,"
224 " average of " << (__frame/timeInterval) << " fps\n";
226 glutDisplayFunc(&display_noop);
230 static void idle(void) {
231 if (__reshape_window) {
232 // XXX: doesn't quite work
233 glutReshapeWindow(__window_width, __window_height);
234 __reshape_window = false;
239 int main(int argc, char **argv)
243 for (i = 1; i < argc; ++i) {
244 const char *arg = argv[i];
250 if (!strcmp(arg, "--")) {
252 } else if (!strcmp(arg, "-db")) {
253 double_buffer = true;
254 } else if (!strcmp(arg, "-s")) {
255 __screenshots = true;
256 } else if (!strcmp(arg, "-v")) {
259 std::cerr << "error: unknown option " << arg << "\n";
264 glutInit(&argc, argv);
265 glutInitWindowPosition(0, 0);
266 glutInitWindowSize(__window_width, __window_height);
267 glutInitDisplayMode(GLUT_DEPTH | GLUT_RGB | (double_buffer ? GLUT_DOUBLE : GLUT_SINGLE));
268 glutCreateWindow(argv[0]);
270 glutDisplayFunc(&display);
273 for (GLuint h = 0; h < 1024; ++h) {
277 for ( ; i < argc; ++i) {
278 if (parser.open(argv[i])) {
279 __startTime = OS::GetTime();