##########################################################################/
-import base
-from glx import libgl
+"""GL retracer generator."""
-def is_arg_supported(arg_type):
- if isinstance(arg_type, (base.Literal, base._String, base.Enum)):
- return True
- if isinstance(arg_type, (base.Alias, base.Flags)):
- return is_arg_supported(arg_type.type)
- return False
+import stdapi
+import glapi
+from retrace import Retracer
-def is_function_supported(function):
- for arg_type, arg_name in function.args:
- if not is_arg_supported(arg_type):
- return False
- return True
+class GlRetracer(Retracer):
+ def retrace_function(self, function):
+ Retracer.retrace_function(self, function)
-def extract_value(arg_type, arg_value):
- if isinstance(arg_type, base.Literal):
- return 'Trace::as%s(%s)' % (arg_type.format, value)
- if isinstance(arg_type, base.Enum):
- return 'Trace::asSInt(%s)' % (value)
- if isinstance(arg_type, (base.Alias, base.Flags)):
- return extract_value(arg_type.type, value)
- assert false
- return '0'
+ 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 call_function(self, function):
+ if (function.name in self.draw_array_function_names or
+ function.name in self.draw_elements_function_names):
+ print ' GLint __array_buffer = 0;'
+ print ' glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &__array_buffer);'
+ print ' if (!__array_buffer) {'
+ self.fail_function(function)
+ print ' }'
+
+ if function.name in self.draw_elements_function_names:
+ 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 ' }'
+
+ 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();'
+
+ pointer_function_names = set([
+ "glColorPointer",
+ "glColorPointerEXT",
+ "glEdgeFlagPointer",
+ "glEdgeFlagPointerEXT",
+ "glFogCoordPointer",
+ "glFogCoordPointerEXT",
+ "glIndexPointer",
+ "glIndexPointerEXT",
+ "glMatrixIndexPointerARB",
+ "glNormalPointer",
+ "glNormalPointerEXT",
+ "glSecondaryColorPointer",
+ "glSecondaryColorPointerEXT",
+ "glTexCoordPointer",
+ "glTexCoordPointerEXT",
+ "glVertexAttribLPointer",
+ "glVertexAttribPointer",
+ "glVertexAttribPointerARB",
+ "glVertexAttribPointerNV",
+ "glVertexPointer",
+ "glVertexPointerEXT",
+ ])
+
+ def extract_arg(self, function, arg, arg_type, lvalue, rvalue):
+ if (function.name in self.pointer_function_names and arg.name == 'pointer' or
+ function.name in self.draw_elements_function_names and arg.name == 'indices'):
+ 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 ' }'
+ return
+
+ if function.name.startswith('glUniform') and function.args[0].name == arg.name == 'location':
+ print ' GLint program = -1;'
+ print ' glGetIntegerv(GL_CURRENT_PROGRAM, &program);'
+
+ Retracer.extract_arg(self, function, arg, arg_type, lvalue, rvalue)
if __name__ == '__main__':
- print
- print '#include <stdlib.h>'
- print '#include <string.h>'
- print '#include <GL/glew.h>'
- print '#include <GL/glut.h>'
- print
- print '#include "trace_parser.hpp"'
- print
-
- functions = filter(is_function_supported, libgl.functions)
-
- for function in functions:
- print 'static void retrace_%s(Trace::Call &call) {' % function.name
- for arg_type, arg_name in function.args:
- print ' %s %s;' % (arg_type, arg_name)
- for arg_type, arg_name in function.args:
- value = 'call.get_arg("%s")' % (arg_name,)
- value = extract_value(arg_type, value)
- print ' %s = static_cast<%s>(%s);' % (arg_name, arg_type, value)
- arg_names = ", ".join([arg_name for arg_type, arg_name in function.args])
- print ' %s(%s);' % (function.name, arg_names)
- print '}'
- print
-
- print 'static bool retrace_call(Trace::Call &call) {'
- for function in functions:
- print ' if (call.name == "%s") {' % function.name
- print ' retrace_%s(call);' % function.name
- print ' return true;'
- print ' }'
- print ' std::cerr << "Unsupported call " << call.name << "\\n";'
- print ' return false;'
- print '}'
- print '''
-
-class Retracer : public Trace::Parser
-{
- void handle_call(Trace::Call &call) {
- std::cout << call;
- std::cout.flush();
- retrace_call(call);
+ print r'''
+#include <string.h>
+#include <stdio.h>
+#include <iostream>
+
+#include "glproc.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;
+
+const char *__compare_prefix = NULL;
+const char *__snapshot_prefix = NULL;
+
+
+static void
+checkGlError(void) {
+ if (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 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)
+ std::cout << "Read " << filename << "\n";
+ }
+
+ Image::Image src(__window_width, __window_height, true);
+ glReadPixels(0, 0, __window_width, __window_height, GL_RGBA, GL_UNSIGNED_BYTE, src.pixels);
+
+ if (__snapshot_prefix) {
+ char filename[PATH_MAX];
+ snprintf(filename, sizeof filename, "%s%04u.png", __snapshot_prefix, __frame);
+ if (src.writePNG(filename) && verbosity) {
+ 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 ((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 (double_buffer)
+ glutSwapBuffers();
+ else
+ glFlush();
+ frame_complete();
+ return;
+ } else {
+ continue;
+ }
+ }
+
+ if (name == "glFlush") {
+ glFlush();
+ if (!double_buffer) {
+ frame_complete();
+ }
+ }
+
+ retrace_call(*call);
+ }
+
+ // Reached the end of trace
+ glFlush();
+
+ long long endTime = OS::GetTime();
+ float timeInterval = (endTime - __startTime) * 1.0E-6;
+
+ 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"
+ " -c PREFIX compare against snapshots\n"
+ " -db use a double buffer visual\n"
+ " -s PREFIX take snapshots\n"
+ " -v verbose output\n";
+}
int main(int argc, char **argv)
{
- glutInit(&argc, argv);
- glutInitWindowPosition( 0, 0 );
- glutInitWindowSize( 800, 600 );
- glutInitDisplayMode( GLUT_DEPTH | GLUT_RGB | GLUT_SINGLE );
- glutCreateWindow(argv[0]);
- glewInit();
- for (int i = 1; i < argc; ++i) {
- Retracer p;
- p.parse(argv[i]);
- glutMainLoop();
- }
- return 0;
+
+ 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, "-c")) {
+ __compare_prefix = argv[++i];
+ } 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