def call_function(self, function):
if function.name == "glViewport":
- print ' if (x + width > __window_width) {'
- print ' __window_width = x + width;'
- print ' __reshape_window = true;'
+ print ' bool reshape_window = false;'
+ print ' if (x + width > glretrace::window_width) {'
+ print ' glretrace::window_width = x + width;'
+ print ' reshape_window = true;'
print ' }'
- print ' if (y + height > __window_height) {'
- print ' __window_height = y + height;'
- print ' __reshape_window = true;'
+ print ' if (y + height > glretrace::window_height) {'
+ print ' glretrace::window_height = y + height;'
+ print ' reshape_window = true;'
+ print ' }'
+ print ' if (reshape_window) {'
+ print ' // XXX: does not always work'
+ print ' glretrace::drawable->resize(glretrace::window_width, glretrace::window_height);'
+ print ' reshape_window = false;'
print ' }'
if function.name == "glEnd":
- print ' insideGlBeginEnd = false;'
+ print ' glretrace::insideGlBeginEnd = false;'
Retracer.call_function(self, function)
if function.name == "glBegin":
- print ' insideGlBeginEnd = true;'
+ print ' glretrace::insideGlBeginEnd = true;'
else:
# glGetError is not allowed inside glBegin/glEnd
- print ' checkGlError();'
+ print ' glretrace::checkGlError();'
def extract_arg(self, function, arg, arg_type, lvalue, rvalue):
if function.name in self.array_pointer_function_names and arg.name == 'pointer':
if __name__ == '__main__':
print r'''
-#include <string.h>
-#include <stdio.h>
-#include <iostream>
-
#include "glproc.hpp"
-#include "glstate.hpp"
-
-#include <GL/glut.h>
-
-static bool double_buffer = false;
-static bool insideGlBeginEnd = false;
-
-static int __window_width = 256, __window_height = 256;
-bool __reshape_window = false;
-
-unsigned __frame = 0;
-long long __startTime = 0;
-bool __wait = false;
+#include "glretrace.hpp"
-bool __benchmark = false;
-const char *__compare_prefix = NULL;
-const char *__snapshot_prefix = NULL;
-unsigned __dump_state = ~0;
-
-
-static void
-checkGlError(void) {
- if (__benchmark || insideGlBeginEnd) {
- return;
- }
-
- GLenum error = glGetError();
- if (error == GL_NO_ERROR) {
- return;
- }
-
- std::cerr << "warning: glGetError() = ";
- switch (error) {
- case GL_INVALID_ENUM:
- std::cerr << "GL_INVALID_ENUM";
- break;
- case GL_INVALID_VALUE:
- std::cerr << "GL_INVALID_VALUE";
- break;
- case GL_INVALID_OPERATION:
- std::cerr << "GL_INVALID_OPERATION";
- break;
- case GL_STACK_OVERFLOW:
- std::cerr << "GL_STACK_OVERFLOW";
- break;
- case GL_STACK_UNDERFLOW:
- std::cerr << "GL_STACK_UNDERFLOW";
- break;
- case GL_OUT_OF_MEMORY:
- std::cerr << "GL_OUT_OF_MEMORY";
- break;
- case GL_INVALID_FRAMEBUFFER_OPERATION:
- std::cerr << "GL_INVALID_FRAMEBUFFER_OPERATION";
- break;
- case GL_TABLE_TOO_LARGE:
- std::cerr << "GL_TABLE_TOO_LARGE";
- break;
- default:
- std::cerr << error;
- break;
- }
- std::cerr << "\n";
-}
'''
api = glapi.glapi
retracer = GlRetracer()
retracer.retrace_api(glapi.glapi)
- print r'''
-
-static Trace::Parser parser;
-
-static void display_noop(void) {
-}
-
-#include "image.hpp"
-
-static void snapshot(Image::Image &image) {
- GLint drawbuffer = double_buffer ? GL_BACK : GL_FRONT;
- GLint readbuffer = double_buffer ? GL_BACK : GL_FRONT;
- glGetIntegerv(GL_READ_BUFFER, &drawbuffer);
- glGetIntegerv(GL_READ_BUFFER, &readbuffer);
- glReadBuffer(drawbuffer);
- glReadPixels(0, 0, image.width, image.height, GL_RGBA, GL_UNSIGNED_BYTE, image.pixels);
- checkGlError();
- glReadBuffer(readbuffer);
-}
-
-static void frame_complete(void) {
- ++__frame;
-
- if (!__reshape_window && (__snapshot_prefix || __compare_prefix)) {
- Image::Image *ref = NULL;
- if (__compare_prefix) {
- char filename[PATH_MAX];
- snprintf(filename, sizeof filename, "%s%04u.png", __compare_prefix, __frame);
- ref = Image::readPNG(filename);
- if (!ref) {
- return;
- }
- if (verbosity >= 0)
- std::cout << "Read " << filename << "\n";
- }
-
- Image::Image src(__window_width, __window_height, true);
- snapshot(src);
-
- if (__snapshot_prefix) {
- char filename[PATH_MAX];
- snprintf(filename, sizeof filename, "%s%04u.png", __snapshot_prefix, __frame);
- if (src.writePNG(filename) && verbosity >= 0) {
- std::cout << "Wrote " << filename << "\n";
- }
- }
-
- if (ref) {
- std::cout << "Frame " << __frame << " average precision of " << src.compare(*ref) << " bits\n";
- delete ref;
- }
- }
-
-}
-
-static void display(void) {
- Trace::Call *call;
-
- while ((call = parser.parse_call())) {
- const std::string &name = call->name();
-
- if (call->no == __dump_state) {
- state_dump(std::cout);
- exit(0);
- }
-
- if ((name[0] == 'w' && name[1] == 'g' && name[2] == 'l') ||
- (name[0] == 'g' && name[1] == 'l' && name[2] == 'X')) {
- // XXX: We ignore the majority of the OS-specific calls for now
- if (name == "glXSwapBuffers" ||
- name == "wglSwapBuffers") {
- if (verbosity >= 1) {
- std::cout << *call;
- std::cout.flush();
- };
- frame_complete();
- if (double_buffer)
- glutSwapBuffers();
- else
- glFlush();
-
- // Return now to allow GLUT to resize the window.
- delete call;
- return;
- } else if (name == "glXMakeCurrent" ||
- name == "wglMakeCurrent") {
- glFlush();
- if (!double_buffer) {
- frame_complete();
- // Return now to allow GLUT to resize window.
- delete call;
- return;
- }
- } else {
- continue;
- }
- }
-
- if (name == "glFlush") {
- glFlush();
- if (!double_buffer) {
- frame_complete();
- }
- }
-
- retrace_call(*call);
-
- delete call;
- }
-
- // Reached the end of trace
- glFlush();
-
- long long endTime = OS::GetTime();
- float timeInterval = (endTime - __startTime) * 1.0E-6;
-
- if (verbosity >= -1) {
- std::cout <<
- "Rendered " << __frame << " frames"
- " in " << timeInterval << " secs,"
- " average of " << (__frame/timeInterval) << " fps\n";
- }
-
- if (__wait) {
- glutDisplayFunc(&display_noop);
- glutIdleFunc(NULL);
- } else {
- exit(0);
- }
-}
-
-static void idle(void) {
- if (__reshape_window) {
- // XXX: doesn't quite work
- glutReshapeWindow(__window_width, __window_height);
- __reshape_window = false;
- }
- glutPostRedisplay();
-}
-
-static void usage(void) {
- std::cout <<
- "Usage: glretrace [OPTION] TRACE\n"
- "Replay TRACE.\n"
- "\n"
- " -b benchmark (no glgeterror; no messages)\n"
- " -c PREFIX compare against snapshots\n"
- " -db use a double buffer visual\n"
- " -s PREFIX take snapshots\n"
- " -v verbose output\n"
- " -D CALLNO dump state at specific call no\n"
- " -w wait on final frame\n";
-}
-
-int main(int argc, char **argv)
-{
-
- int i;
- for (i = 1; i < argc; ++i) {
- const char *arg = argv[i];
-
- if (arg[0] != '-') {
- break;
- }
-
- if (!strcmp(arg, "--")) {
- break;
- } else if (!strcmp(arg, "-b")) {
- __benchmark = true;
- verbosity = -1;
- } else if (!strcmp(arg, "-c")) {
- __compare_prefix = argv[++i];
- } else if (!strcmp(arg, "-D")) {
- __dump_state = atoi(argv[++i]);
- verbosity = -2;
- } else if (!strcmp(arg, "-db")) {
- double_buffer = true;
- } else if (!strcmp(arg, "--help")) {
- usage();
- return 0;
- } else if (!strcmp(arg, "-s")) {
- __snapshot_prefix = argv[++i];
- } else if (!strcmp(arg, "-v")) {
- ++verbosity;
- } else if (!strcmp(arg, "-w")) {
- __wait = true;
- } else {
- std::cerr << "error: unknown option " << arg << "\n";
- usage();
- return 1;
- }
- }
-
- glutInit(&argc, argv);
- glutInitWindowPosition(0, 0);
- glutInitWindowSize(__window_width, __window_height);
- glutInitDisplayMode(GLUT_DEPTH | GLUT_RGB | (double_buffer ? GLUT_DOUBLE : GLUT_SINGLE));
- glutCreateWindow(argv[0]);
-
- glutDisplayFunc(&display);
- glutIdleFunc(&idle);
-
- for (GLuint h = 0; h < 1024; ++h) {
- __list_map[h] = h;
- }
-
- for ( ; i < argc; ++i) {
- if (parser.open(argv[i])) {
- __startTime = OS::GetTime();
- glutMainLoop();
- parser.close();
- }
- }
-
- return 0;
-}
-
-'''
projects / apitrace / blobdiff