##########################################################################/
+"""GL retracer generator."""
+
+
import stdapi
import glapi
from retrace import Retracer
class GlRetracer(Retracer):
- def filter_function(self, function):
- return function.name not in [
- "glNewBufferRegion",
- "glDeleteBufferRegion",
- "glReadBufferRegion",
- "glDrawBufferRegion",
- "glBufferRegionEnabled",
- ]
-
def retrace_function(self, function):
Retracer.retrace_function(self, function)
+ array_pointer_function_names = set((
+ "glVertexPointer",
+ "glNormalPointer",
+ "glColorPointer",
+ "glIndexPointer",
+ "glTexCoordPointer",
+ "glEdgeFlagPointer",
+ "glFogCoordPointer",
+ "glSecondaryColorPointer",
+
+ "glInterleavedArrays",
+
+ #"glVertexPointerEXT",
+ #"glNormalPointerEXT",
+ #"glColorPointerEXT",
+ #"glIndexPointerEXT",
+ #"glTexCoordPointerEXT",
+ #"glEdgeFlagPointerEXT",
+ #"glFogCoordPointerEXT",
+ #"glSecondaryColorPointerEXT",
+
+ "glVertexAttribPointer",
+ "glVertexAttribPointerARB",
+ "glVertexAttribPointerNV",
+ "glVertexAttribLPointer",
+ "glVertexAttribLPointerEXT",
+
+ #"glMatrixIndexPointerARB",
+ ))
+
+ draw_array_function_names = set([
+ "glDrawArrays",
+ "glDrawArraysEXT",
+ "glDrawArraysIndirect",
+ "glDrawArraysInstanced",
+ "glDrawArraysInstancedARB",
+ "glDrawArraysInstancedEXT",
+ "glDrawMeshArraysSUN",
+ "glMultiDrawArrays",
+ "glMultiDrawArraysEXT",
+ "glMultiModeDrawArraysIBM",
+ ])
+
+ draw_elements_function_names = set([
+ "glDrawElements",
+ "glDrawElementsBaseVertex",
+ "glDrawElementsIndirect",
+ "glDrawElementsInstanced",
+ "glDrawElementsInstancedARB",
+ "glDrawElementsInstancedBaseVertex",
+ "glDrawElementsInstancedEXT",
+ "glDrawRangeElements",
+ "glDrawRangeElementsBaseVertex",
+ "glDrawRangeElementsEXT",
+ #"glMultiDrawElements",
+ #"glMultiDrawElementsBaseVertex",
+ #"glMultiDrawElementsEXT",
+ #"glMultiModeDrawElementsIBM",
+ ])
+
+ def retrace_function_body(self, function):
+ is_array_pointer = function.name in self.array_pointer_function_names
+ is_draw_array = function.name in self.draw_array_function_names
+ is_draw_elements = function.name in self.draw_elements_function_names
+
+ if is_array_pointer or is_draw_array or is_draw_elements:
+ print ' if (Trace::Parser::version < 1) {'
+
+ if is_array_pointer or is_draw_array:
+ print ' GLint __array_buffer = 0;'
+ print ' glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &__array_buffer);'
+ print ' if (!__array_buffer) {'
+ self.fail_function(function)
+ print ' }'
+
+ if is_draw_elements:
+ print ' GLint __element_array_buffer = 0;'
+ print ' glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &__element_array_buffer);'
+ print ' if (!__element_array_buffer) {'
+ self.fail_function(function)
+ print ' }'
+
+ print ' }'
+
+ Retracer.retrace_function_body(self, function)
+
def call_function(self, function):
- if function.name in ("glDrawArrays", "glDrawElements", "glDrawRangeElements", "glMultiDrawElements"):
- print ' GLint __array_buffer = 0;'
- print ' glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &__array_buffer);'
- print ' if (!__array_buffer) {'
- self.fail_function(function)
+ if function.name == "glViewport":
+ print ' if (x + width > __window_width) {'
+ print ' __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 function.name == "glEnd":
print ' insideGlBeginEnd = false;'
+
Retracer.call_function(self, function)
+
if function.name == "glBegin":
print ' insideGlBeginEnd = true;'
else:
# glGetError is not allowed inside glBegin/glEnd
print ' checkGlError();'
-
def extract_arg(self, function, arg, arg_type, lvalue, rvalue):
- if function.name in [
- "glColorPointer",
- "glEdgeFlagPointer",
- "glIndexPointer",
- "glNormalPointer",
- "glTexCoordPointer",
- "glVertexPointer",
- "glFogCoordPointer",
- "glSecondaryColorPointer",
- "glVertexAttribPointer",
- ] and arg.name == 'pointer':
- self.extract_pointer(function, arg, arg_type, lvalue, rvalue)
- else:
- Retracer.extract_arg(self, function, arg, arg_type, lvalue, rvalue)
+ if function.name in self.array_pointer_function_names and arg.name == 'pointer':
+ print ' %s = %s.blob();' % (lvalue, rvalue)
+ return
+
+ if function.name in self.draw_elements_function_names and arg.name == 'indices':
+ print ' %s = %s.blob();' % (lvalue, rvalue)
+ return
+
+ if function.name.startswith('glUniform') and function.args[0].name == arg.name == 'location':
+ print ' GLint program = -1;'
+ print ' glGetIntegerv(GL_CURRENT_PROGRAM, &program);'
- def extract_pointer(self, function, arg, arg_type, lvalue, rvalue):
- print ' if (dynamic_cast<Trace::Null *>(&%s)) {' % rvalue
- print ' %s = 0;' % (lvalue)
- print ' } else {'
- print ' %s = (%s)(uintptr_t)(%s);' % (lvalue, arg_type, rvalue)
- print ' }'
+ Retracer.extract_arg(self, function, arg, arg_type, lvalue, rvalue)
if __name__ == '__main__':
- print
- print '#include <string.h>'
- print '#include <iostream>'
- print
- print '#include "glproc.hpp"'
- print '#include <GL/glut.h>'
- print
- print 'static bool double_buffer = false;'
- print 'static bool insideGlBeginEnd = false;'
- print
- print '''
+ print r'''
+#include <string.h>
+#include <stdio.h>
+#include <iostream>
+
+#define RETRACE
+
+#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;
+
+bool __benchmark = false;
+const char *__compare_prefix = NULL;
+const char *__snapshot_prefix = NULL;
+
+unsigned __dump_state = ~0;
+
+
static void
checkGlError(void) {
- if (insideGlBeginEnd) {
+ if (__benchmark || insideGlBeginEnd) {
return;
}
std::cerr << error;
break;
}
- std::cerr << "\\n";
+ std::cerr << "\n";
}
'''
api = glapi.glapi
retracer = GlRetracer()
retracer.retrace_api(glapi.glapi)
- print '''
+ 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())) {
- if (call->name() == "glFlush") {
- glFlush();
- return;
+ const std::string &name = call->name();
+
+ if (call->no == __dump_state) {
+ state_dump(std::cout);
+ exit(0);
}
-
- if (!retrace_call(*call)) {
- if (call->name() == "glXSwapBuffers" ||
- call->name() == "wglSwapBuffers") {
+
+ 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();
- glutIdleFunc(NULL);
+
+ 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)
{
if (!strcmp(arg, "--")) {
break;
- }
- else if (!strcmp(arg, "-db")) {
+ } 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";
+ std::cerr << "error: unknown option " << arg << "\n";
+ usage();
return 1;
}
}
glutInit(&argc, argv);
glutInitWindowPosition(0, 0);
- glutInitWindowSize(800, 600);
+ glutInitWindowSize(__window_width, __window_height);
glutInitDisplayMode(GLUT_DEPTH | GLUT_RGB | (double_buffer ? GLUT_DOUBLE : GLUT_SINGLE));
glutCreateWindow(argv[0]);
for ( ; i < argc; ++i) {
if (parser.open(argv[i])) {
+ __startTime = OS::GetTime();
glutMainLoop();
parser.close();
}
projects / apitrace / blobdiff