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 draw_array_function_names = set([
40 "glDrawArraysIndirect",
41 "glDrawArraysInstanced",
42 "glDrawArraysInstancedARB",
43 "glDrawArraysInstancedEXT",
44 "glDrawMeshArraysSUN",
46 "glMultiDrawArraysEXT",
47 "glMultiModeDrawArraysIBM",
50 draw_elements_function_names = set([
52 "glDrawElementsBaseVertex",
53 "glDrawElementsIndirect",
54 "glDrawElementsInstanced",
55 "glDrawElementsInstancedARB",
56 "glDrawElementsInstancedBaseVertex",
57 "glDrawElementsInstancedEXT",
58 "glDrawRangeElements",
59 "glDrawRangeElementsBaseVertex",
60 "glDrawRangeElementsEXT",
61 "glMultiDrawElements",
62 "glMultiDrawElementsBaseVertex",
63 "glMultiDrawElementsEXT",
64 "glMultiModeDrawElementsIBM",
67 def call_function(self, function):
68 if (function.name in self.draw_array_function_names or
69 function.name in self.draw_elements_function_names):
70 print ' GLint __array_buffer = 0;'
71 print ' glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &__array_buffer);'
72 print ' if (!__array_buffer) {'
73 self.fail_function(function)
76 if function.name in self.draw_elements_function_names:
77 print ' GLint __element_array_buffer = 0;'
78 print ' glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &__element_array_buffer);'
79 print ' if (!__element_array_buffer) {'
80 self.fail_function(function)
83 if function.name == "glViewport":
84 print ' if (x + width > __window_width) {'
85 print ' __window_width = x + width;'
86 print ' __reshape_window = true;'
88 print ' if (y + height > __window_height) {'
89 print ' __window_height = y + height;'
90 print ' __reshape_window = true;'
93 if function.name == "glEnd":
94 print ' insideGlBeginEnd = false;'
96 Retracer.call_function(self, function)
98 if function.name == "glBegin":
99 print ' insideGlBeginEnd = true;'
101 # glGetError is not allowed inside glBegin/glEnd
102 print ' checkGlError();'
104 pointer_function_names = set([
108 "glEdgeFlagPointerEXT",
110 "glFogCoordPointerEXT",
113 "glMatrixIndexPointerARB",
115 "glNormalPointerEXT",
116 "glSecondaryColorPointer",
117 "glSecondaryColorPointerEXT",
119 "glTexCoordPointerEXT",
120 "glVertexAttribLPointer",
121 "glVertexAttribPointer",
122 "glVertexAttribPointerARB",
123 "glVertexAttribPointerNV",
125 "glVertexPointerEXT",
128 def extract_arg(self, function, arg, arg_type, lvalue, rvalue):
129 if (function.name in self.pointer_function_names and arg.name == 'pointer' or
130 function.name in self.draw_elements_function_names and arg.name == 'indices'):
131 self.extract_pointer(function, arg, arg_type, lvalue, rvalue)
133 Retracer.extract_arg(self, function, arg, arg_type, lvalue, rvalue)
135 def extract_pointer(self, function, arg, arg_type, lvalue, rvalue):
136 print ' if (dynamic_cast<Trace::Null *>(&%s)) {' % rvalue
137 print ' %s = 0;' % (lvalue)
139 print ' %s = (%s)(uintptr_t)(%s);' % (lvalue, arg_type, rvalue)
143 if __name__ == '__main__':
148 #include "glproc.hpp"
151 static bool double_buffer = false;
152 static bool insideGlBeginEnd = false;
154 static int __window_width = 256, __window_height = 256;
155 bool __reshape_window = false;
157 unsigned __frame = 0;
158 long long __startTime = 0;
159 bool __screenshots = 0;
164 if (insideGlBeginEnd) {
168 GLenum error = glGetError();
169 if (error == GL_NO_ERROR) {
173 std::cerr << "warning: glGetError() = ";
175 case GL_INVALID_ENUM:
176 std::cerr << "GL_INVALID_ENUM";
178 case GL_INVALID_VALUE:
179 std::cerr << "GL_INVALID_VALUE";
181 case GL_INVALID_OPERATION:
182 std::cerr << "GL_INVALID_OPERATION";
184 case GL_STACK_OVERFLOW:
185 std::cerr << "GL_STACK_OVERFLOW";
187 case GL_STACK_UNDERFLOW:
188 std::cerr << "GL_STACK_UNDERFLOW";
190 case GL_OUT_OF_MEMORY:
191 std::cerr << "GL_OUT_OF_MEMORY";
193 case GL_INVALID_FRAMEBUFFER_OPERATION:
194 std::cerr << "GL_INVALID_FRAMEBUFFER_OPERATION";
196 case GL_TABLE_TOO_LARGE:
197 std::cerr << "GL_TABLE_TOO_LARGE";
207 retracer = GlRetracer()
208 retracer.retrace_api(glapi.glapi)
211 static Trace::Parser parser;
213 static void display_noop(void) {
218 static void frame_complete(void) {
221 if (__screenshots && !__reshape_window) {
222 char filename[PATH_MAX];
223 snprintf(filename, sizeof filename, "screenshot_%04u.bmp", __frame);
224 unsigned char *pixels = new unsigned char[__window_height*__window_width*4];
225 glReadPixels(0, 0, __window_width, __window_height, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
226 BMP::write(filename, pixels, __window_width, __window_height, __window_width*4);
231 static void display(void) {
234 while ((call = parser.parse_call())) {
235 if (call->name() == "glFlush") {
237 if (!double_buffer) {
242 if (!retrace_call(*call)) {
243 if (call->name() == "glXSwapBuffers" ||
244 call->name() == "wglSwapBuffers") {
255 // Reached the end of trace
258 long long endTime = OS::GetTime();
259 float timeInterval = (endTime - __startTime) * 1.0E-6;
262 "Rendered " << __frame << " frames"
263 " in " << timeInterval << " secs,"
264 " average of " << (__frame/timeInterval) << " fps\n";
266 glutDisplayFunc(&display_noop);
270 static void idle(void) {
271 if (__reshape_window) {
272 // XXX: doesn't quite work
273 glutReshapeWindow(__window_width, __window_height);
274 __reshape_window = false;
279 int main(int argc, char **argv)
283 for (i = 1; i < argc; ++i) {
284 const char *arg = argv[i];
290 if (!strcmp(arg, "--")) {
292 } else if (!strcmp(arg, "-db")) {
293 double_buffer = true;
294 } else if (!strcmp(arg, "-s")) {
295 __screenshots = true;
296 } else if (!strcmp(arg, "-v")) {
299 std::cerr << "error: unknown option " << arg << "\n";
304 glutInit(&argc, argv);
305 glutInitWindowPosition(0, 0);
306 glutInitWindowSize(__window_width, __window_height);
307 glutInitDisplayMode(GLUT_DEPTH | GLUT_RGB | (double_buffer ? GLUT_DOUBLE : GLUT_SINGLE));
308 glutCreateWindow(argv[0]);
310 glutDisplayFunc(&display);
313 for (GLuint h = 0; h < 1024; ++h) {
317 for ( ; i < argc; ++i) {
318 if (parser.open(argv[i])) {
319 __startTime = OS::GetTime();