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__':
93 print '#include <string.h>'
94 print '#include <iostream>'
96 print '#include "glproc.hpp"'
97 print '#include <GL/glut.h>'
99 print 'static bool double_buffer = false;'
100 print 'static bool insideGlBeginEnd = false;'
101 print 'static int __window_width = 256, __window_height = 256;'
102 print 'bool __reshape_window = false;'
107 if (insideGlBeginEnd) {
111 GLenum error = glGetError();
112 if (error == GL_NO_ERROR) {
116 std::cerr << "warning: glGetError() = ";
118 case GL_INVALID_ENUM:
119 std::cerr << "GL_INVALID_ENUM";
121 case GL_INVALID_VALUE:
122 std::cerr << "GL_INVALID_VALUE";
124 case GL_INVALID_OPERATION:
125 std::cerr << "GL_INVALID_OPERATION";
127 case GL_STACK_OVERFLOW:
128 std::cerr << "GL_STACK_OVERFLOW";
130 case GL_STACK_UNDERFLOW:
131 std::cerr << "GL_STACK_UNDERFLOW";
133 case GL_OUT_OF_MEMORY:
134 std::cerr << "GL_OUT_OF_MEMORY";
136 case GL_INVALID_FRAMEBUFFER_OPERATION:
137 std::cerr << "GL_INVALID_FRAMEBUFFER_OPERATION";
139 case GL_TABLE_TOO_LARGE:
140 std::cerr << "GL_TABLE_TOO_LARGE";
150 retracer = GlRetracer()
151 retracer.retrace_api(glapi.glapi)
154 static Trace::Parser parser;
156 static void display(void) {
159 while ((call = parser.parse_call())) {
160 if (call->name() == "glFlush") {
165 if (!retrace_call(*call)) {
166 if (call->name() == "glXSwapBuffers" ||
167 call->name() == "wglSwapBuffers") {
181 static void idle(void) {
182 if (__reshape_window) {
183 // XXX: doesn't quite work
184 glutReshapeWindow(__window_width, __window_height);
185 __reshape_window = false;
190 int main(int argc, char **argv)
194 for (i = 1; i < argc; ++i) {
195 const char *arg = argv[i];
201 if (!strcmp(arg, "--")) {
204 else if (!strcmp(arg, "-db")) {
205 double_buffer = true;
206 } else if (!strcmp(arg, "-v")) {
209 std::cerr << "error: unknown option " << arg << "\\n";
214 glutInit(&argc, argv);
215 glutInitWindowPosition(0, 0);
216 glutInitWindowSize(__window_width, __window_height);
217 glutInitDisplayMode(GLUT_DEPTH | GLUT_RGB | (double_buffer ? GLUT_DOUBLE : GLUT_SINGLE));
218 glutCreateWindow(argv[0]);
220 glutDisplayFunc(&display);
223 for (GLuint h = 0; h < 1024; ++h) {
227 for ( ; i < argc; ++i) {
228 if (parser.open(argv[i])) {