##########################################################################/
-import base
-import gl
-
+"""GL retracer generator."""
+
+
+import stdapi
+import glapi
+from retrace import Retracer
+
+
+class GlRetracer(Retracer):
+
+ 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)
-class ConstRemover(base.Rebuilder):
+ def call_function(self, function):
+ if function.name == "glViewport":
+ 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 > 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 ' }'
- def visit_const(self, const):
- return const.type
+ if function.name == "glEnd":
+ print ' glretrace::insideGlBeginEnd = false;'
+
+ Retracer.call_function(self, function)
- def visit_opaque(self, opaque):
- expr = opaque.expr
- if expr.startswith('const '):
- expr = expr[6:]
- return base.Opaque(expr)
+ if function.name == "glBegin":
+ print ' glretrace::insideGlBeginEnd = true;'
+ else:
+ # glGetError is not allowed inside glBegin/glEnd
+ 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':
+ print ' %s = %s.blob();' % (lvalue, rvalue)
+ return
-class ValueExtractor(base.Visitor):
+ if function.name in self.draw_elements_function_names and arg.name == 'indices':
+ print ' %s = %s.blob();' % (lvalue, rvalue)
+ return
- def visit_literal(self, literal, lvalue, rvalue):
- print ' %s = %s;' % (lvalue, rvalue)
+ if function.name.startswith('glUniform') and function.args[0].name == arg.name == 'location':
+ print ' GLint program = -1;'
+ print ' glGetIntegerv(GL_CURRENT_PROGRAM, &program);'
- def visit_alias(self, alias, lvalue, rvalue):
- self.visit(alias.type, lvalue, rvalue)
-
- def visit_enum(self, enum, lvalue, rvalue):
- print ' %s = %s;' % (lvalue, rvalue)
+ Retracer.extract_arg(self, function, arg, arg_type, lvalue, rvalue)
- def visit_bitmask(self, bitmask, lvalue, rvalue):
- self.visit(bitmask.type, lvalue, rvalue)
- def visit_array(self, array, lvalue, rvalue):
- print ' const Trace::Array *__a%s = dynamic_cast<const Trace::Array *>(&%s);' % (array.id, rvalue)
- print ' if (__a%s) {' % (array.id)
- length = '__a%s->values.size()' % array.id
- print ' %s = new %s[%s];' % (lvalue, array.type, length)
- index = '__i' + array.id
- print ' for(size_t {i} = 0; {i} < {length}; ++{i}) {{'.format(i = index, length = length)
- try:
- self.visit(array.type, '%s[%s]' % (lvalue, index), '*__a%s->values[%s]' % (array.id, index))
- finally:
- print ' }'
- print ' } else {'
- print ' %s = NULL;' % lvalue
- print ' }'
-
- def visit_blob(self, blob, lvalue, rvalue):
- print ' %s = static_cast<%s>((%s).blob());' % (lvalue, blob, rvalue)
-
- def visit_string(self, string, lvalue, rvalue):
- print ' %s = (%s).string();' % (lvalue, rvalue)
-
-
-
-def retrace_function(function):
- print 'static void retrace_%s(Trace::Call &call) {' % function.name
- success = True
- for arg in function.args:
- arg.type = ConstRemover().visit(arg.type)
- print ' %s %s;' % (arg.type, arg.name)
- rvalue = 'call.arg("%s")' % (arg.name,)
- lvalue = arg.name
- try:
- ValueExtractor().visit(arg.type, lvalue, rvalue)
- except NotImplementedError:
- success = False
- print ' %s = 0; // FIXME' % arg.name
- if not success:
- print ' std::cerr << "warning: unsupported call %s\\n";' % function.name
- print ' return;'
- arg_names = ", ".join([arg.name for arg in function.args])
- print ' %s(%s);' % (function.name, arg_names)
- print '}'
- print
-
-
-def retrace_functions(functions):
- for function in functions:
- if function.sideeffects:
- retrace_function(function)
-
- print 'static bool retrace_call(Trace::Call &call) {'
- for function in functions:
- if not function.sideeffects:
- print ' if (call.name == "%s") {' % function.name
- print ' return true;'
- print ' }'
- print
- print ' std::cout << call;'
- print ' std::cout.flush();'
- print
- for function in functions:
- if function.sideeffects:
- print ' if (call.name == "%s") {' % function.name
- print ' retrace_%s(call);' % function.name
- print ' return true;'
- print ' }'
- print ' std::cerr << "warning: unsupported call " << call.name << "\\n";'
- print ' return false;'
- print '}'
- print
+if __name__ == '__main__':
+ print r'''
+#include "glproc.hpp"
+#include "glretrace.hpp"
-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 = gl.basic_functions(base.Function) + gl.extended_functions(base.Function)
- retrace_functions(functions)
-
- print '''
-
-class Retracer : public Trace::Parser
-{
- void handle_call(Trace::Call &call) {
- retrace_call(call);
- }
-};
-
-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;
-}
-
-'''
+'''
+ api = glapi.glapi
+ retracer = GlRetracer()
+ retracer.retrace_api(glapi.glapi)