+
+ def printBody(self, api):
+ aliases = []
+ enum_functions = {}
+ enum_sigs = {}
+
+ for func in api.functionIterateGlx():
+ if not func.has_variable_size_request(): continue
+
+ ef = glx_server_enum_function( func, api.enums_by_name )
+ if len(ef.enums) == 0: continue
+
+ sig = ef.signature()
+
+ if not enum_functions.has_key(func.name):
+ enum_functions[ func.name ] = sig
+
+ if not enum_sigs.has_key( sig ):
+ enum_sigs[ sig ] = ef
+
+
+
+ for func in api.functionIterateGlx():
+ # Even though server-handcode fuctions are on "the
+ # list", and prototypes are generated for them, there
+ # isn't enough information to generate a size
+ # function. If there was enough information, they
+ # probably wouldn't need to be handcoded in the first
+ # place!
+
+ if func.server_handcode: continue
+ if not func.has_variable_size_request(): continue
+
+ if enum_functions.has_key(func.name):
+ sig = enum_functions[func.name]
+ ef = enum_sigs[ sig ]
+
+ if ef.name != func.name:
+ aliases.append( [func.name, ef.name] )
+ else:
+ ef.Print( func.name, self )
+
+ elif func.images:
+ self.printPixelFunction(func)
+ elif func.has_variable_size_request():
+ a = self.printCountedFunction(func)
+ if a: aliases.append(a)
+
+
+ for [alias_name, real_name] in aliases:
+ print 'ALIAS( %s, %s )' % (alias_name, real_name)
+
+ return
+
+
+ def common_emit_fixups(self, fixup):
+ """Utility function to emit conditional byte-swaps."""
+
+ if fixup:
+ print ' if (swap) {'
+ for name in fixup:
+ print ' %s = bswap_32(%s);' % (name, name)
+ print ' }'
+
+ return
+
+
+ def common_emit_one_arg(self, p, pc, adjust):
+ offset = p.offset
+ dst = p.string()
+ src = '(%s *)' % (p.type_string())
+ print '%-18s = *%11s(%s + %u);' % (dst, src, pc, offset + adjust);
+ return
+
+
+ def common_func_print_just_header(self, f):
+ print 'int'
+ print '__glX%sReqSize( const GLbyte * pc, Bool swap )' % (f.name)
+ print '{'
+
+
+ def printPixelFunction(self, f):
+ self.common_func_print_just_header(f)
+
+ f.offset_of( f.parameters[0].name )
+ [dim, w, h, d, junk] = f.get_images()[0].get_dimensions()
+
+ print ' GLint row_length = * (GLint *)(pc + 4);'
+
+ if dim < 3:
+ fixup = ['row_length', 'skip_rows', 'alignment']
+ print ' GLint image_height = 0;'
+ print ' GLint skip_images = 0;'
+ print ' GLint skip_rows = * (GLint *)(pc + 8);'
+ print ' GLint alignment = * (GLint *)(pc + 16);'
+ else:
+ fixup = ['row_length', 'image_height', 'skip_rows', 'skip_images', 'alignment']
+ print ' GLint image_height = * (GLint *)(pc + 8);'
+ print ' GLint skip_rows = * (GLint *)(pc + 16);'
+ print ' GLint skip_images = * (GLint *)(pc + 20);'
+ print ' GLint alignment = * (GLint *)(pc + 32);'
+
+ img = f.images[0]
+ for p in f.parameterIterateGlxSend():
+ if p.name in [w, h, d, img.img_format, img.img_type, img.img_target]:
+ self.common_emit_one_arg(p, "pc", 0)
+ fixup.append( p.name )
+
+ print ''
+
+ self.common_emit_fixups(fixup)
+
+ if img.img_null_flag:
+ print ''
+ print ' if (*(CARD32 *) (pc + %s))' % (img.offset - 4)
+ print ' return 0;'
+
+ print ''
+ print ' return __glXImageSize(%s, %s, %s, %s, %s, %s,' % (img.img_format, img.img_type, img.img_target, w, h, d )
+ print ' image_height, row_length, skip_images,'
+ print ' skip_rows, alignment);'
+ print '}'