diff options
Diffstat (limited to 'src/mesa/glapi/glX_proto_size.py')
| -rw-r--r-- | src/mesa/glapi/glX_proto_size.py | 707 |
1 files changed, 0 insertions, 707 deletions
diff --git a/src/mesa/glapi/glX_proto_size.py b/src/mesa/glapi/glX_proto_size.py deleted file mode 100644 index 54232781d29..00000000000 --- a/src/mesa/glapi/glX_proto_size.py +++ /dev/null @@ -1,707 +0,0 @@ -#!/usr/bin/env python - -# (C) Copyright IBM Corporation 2004, 2005 -# All Rights Reserved. -# -# Permission is hereby granted, free of charge, to any person obtaining a -# copy of this software and associated documentation files (the "Software"), -# to deal in the Software without restriction, including without limitation -# on the rights to use, copy, modify, merge, publish, distribute, sub -# license, and/or sell copies of the Software, and to permit persons to whom -# the Software is furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice (including the next -# paragraph) shall be included in all copies or substantial portions of the -# Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL -# IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING -# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS -# IN THE SOFTWARE. -# -# Authors: -# Ian Romanick <idr@us.ibm.com> - -import gl_XML, glX_XML -import license -import sys, getopt, copy, string - - -class glx_enum_function: - def __init__(self, func_name, enum_dict): - self.name = func_name - self.mode = 1 - self.sig = None - - # "enums" is a set of lists. The element in the set is the - # value of the enum. The list is the list of names for that - # value. For example, [0x8126] = {"POINT_SIZE_MIN", - # "POINT_SIZE_MIN_ARB", "POINT_SIZE_MIN_EXT", - # "POINT_SIZE_MIN_SGIS"}. - - self.enums = {} - - # "count" is indexed by count values. Each element of count - # is a list of index to "enums" that have that number of - # associated data elements. For example, [4] = - # {GL_AMBIENT, GL_DIFFUSE, GL_SPECULAR, GL_EMISSION, - # GL_AMBIENT_AND_DIFFUSE} (the enum names are used here, - # but the actual hexadecimal values would be in the array). - - self.count = {} - - - # Fill self.count and self.enums using the dictionary of enums - # that was passed in. The generic Get functions (e.g., - # GetBooleanv and friends) are handled specially here. In - # the data the generic Get functions are refered to as "Get". - - if func_name in ["GetIntegerv", "GetBooleanv", "GetFloatv", "GetDoublev"]: - match_name = "Get" - else: - match_name = func_name - - mode_set = 0 - for enum_name in enum_dict: - e = enum_dict[ enum_name ] - - if e.functions.has_key( match_name ): - [count, mode] = e.functions[ match_name ] - - if mode_set and mode != self.mode: - raise RuntimeError("Not all enums for %s have the same mode." % (func_name)) - - self.mode = mode - - if self.enums.has_key( e.value ): - if e.name not in self.enums[ e.value ]: - self.enums[ e.value ].append( e ) - else: - if not self.count.has_key( count ): - self.count[ count ] = [] - - self.enums[ e.value ] = [ e ] - self.count[ count ].append( e.value ) - - - return - - - def signature( self ): - if self.sig == None: - self.sig = "" - for i in self.count: - if i == None: - raise RuntimeError("i is None. WTF?") - - self.count[i].sort() - for e in self.count[i]: - self.sig += "%04x,%d," % (e, i) - - return self.sig - - - def is_set( self ): - return self.mode - - - def PrintUsingTable(self): - """Emit the body of the __gl*_size function using a pair - of look-up tables and a mask. The mask is calculated such - that (e & mask) is unique for all the valid values of e for - this function. The result of (e & mask) is used as an index - into the first look-up table. If it matches e, then the - same entry of the second table is returned. Otherwise zero - is returned. - - It seems like this should cause better code to be generated. - However, on x86 at least, the resulting .o file is about 20% - larger then the switch-statment version. I am leaving this - code in because the results may be different on other - platforms (e.g., PowerPC or x86-64).""" - - return 0 - count = 0 - for a in self.enums: - count += 1 - - if self.count.has_key(-1): - return 0 - - # Determine if there is some mask M, such that M = (2^N) - 1, - # that will generate unique values for all of the enums. - - mask = 0 - for i in [1, 2, 3, 4, 5, 6, 7, 8]: - mask = (1 << i) - 1 - - fail = 0; - for a in self.enums: - for b in self.enums: - if a != b: - if (a & mask) == (b & mask): - fail = 1; - - if not fail: - break; - else: - mask = 0 - - if (mask != 0) and (mask < (2 * count)): - masked_enums = {} - masked_count = {} - - for i in range(0, mask + 1): - masked_enums[i] = "0"; - masked_count[i] = 0; - - for c in self.count: - for e in self.count[c]: - i = e & mask - enum_obj = self.enums[e][0] - masked_enums[i] = '0x%04x /* %s */' % (e, enum_obj.name ) - masked_count[i] = c - - - print ' static const GLushort a[%u] = {' % (mask + 1) - for e in masked_enums: - print ' %s, ' % (masked_enums[e]) - print ' };' - - print ' static const GLubyte b[%u] = {' % (mask + 1) - for c in masked_count: - print ' %u, ' % (masked_count[c]) - print ' };' - - print ' const unsigned idx = (e & 0x%02xU);' % (mask) - print '' - print ' return (e == a[idx]) ? (GLint) b[idx] : 0;' - return 1; - else: - return 0; - - - def PrintUsingSwitch(self, name): - """Emit the body of the __gl*_size function using a - switch-statement.""" - - print ' switch( e ) {' - - for c in self.count: - for e in self.count[c]: - first = 1 - - # There may be multiple enums with the same - # value. This happens has extensions are - # promoted from vendor-specific or EXT to - # ARB and to the core. Emit the first one as - # a case label, and emit the others as - # commented-out case labels. - - list = {} - for enum_obj in self.enums[e]: - list[ enum_obj.priority() ] = enum_obj.name - - keys = list.keys() - keys.sort() - for k in keys: - j = list[k] - if first: - print ' case GL_%s:' % (j) - first = 0 - else: - print '/* case GL_%s:*/' % (j) - - if c == -1: - print ' return __gl%s_variable_size( e );' % (name) - else: - print ' return %u;' % (c) - - print ' default: return 0;' - print ' }' - - - def Print(self, name): - print 'INTERNAL PURE FASTCALL GLint' - print '__gl%s_size( GLenum e )' % (name) - print '{' - - if not self.PrintUsingTable(): - self.PrintUsingSwitch(name) - - print '}' - print '' - - -class glx_server_enum_function(glx_enum_function): - def __init__(self, func, enum_dict): - glx_enum_function.__init__(self, func.name, enum_dict) - - self.function = func - return - - - def signature( self ): - if self.sig == None: - sig = glx_enum_function.signature(self) - - p = self.function.variable_length_parameter() - if p: - sig += "%u" % (p.size()) - - self.sig = sig - - return self.sig; - - - def Print(self, name, printer): - f = self.function - printer.common_func_print_just_header( f ) - - fixup = [] - - foo = {} - for param_name in f.count_parameter_list: - o = f.offset_of( param_name ) - foo[o] = param_name - - for param_name in f.counter_list: - o = f.offset_of( param_name ) - foo[o] = param_name - - keys = foo.keys() - keys.sort() - for o in keys: - p = f.parameters_by_name[ foo[o] ] - - printer.common_emit_one_arg(p, "pc", " ", 0) - fixup.append( p.name ) - - - print ' GLsizei compsize;' - print '' - - printer.common_emit_fixups(fixup) - - print '' - print ' compsize = __gl%s_size(%s);' % (f.name, string.join(f.count_parameter_list, ",")) - p = f.variable_length_parameter() - print ' return __GLX_PAD(%s);' % (p.size_string()) - - print '}' - print '' - - -class PrintGlxSizeStubs_common(gl_XML.gl_print_base): - do_get = (1 << 0) - do_set = (1 << 1) - - def __init__(self, which_functions): - gl_XML.gl_print_base.__init__(self) - - self.name = "glX_proto_size.py (from Mesa)" - self.license = license.bsd_license_template % ( "(C) Copyright IBM Corporation 2004", "IBM") - - self.emit_set = ((which_functions & PrintGlxSizeStubs_common.do_set) != 0) - self.emit_get = ((which_functions & PrintGlxSizeStubs_common.do_get) != 0) - return - - -class PrintGlxSizeStubs_c(PrintGlxSizeStubs_common): - def printRealHeader(self): - print '' - print '#include <GL/gl.h>' - if self.emit_get: - print '#include "indirect_size_get.h"' - print '#include "glxserver.h"' - print '#include "indirect_util.h"' - - print '#include "indirect_size.h"' - - print '' - self.printPure() - print '' - self.printFastcall() - print '' - self.printVisibility( "INTERNAL", "internal" ) - print '' - print '' - print '#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__APPLE__)' - print '# undef HAVE_ALIAS' - print '#endif' - print '#ifdef HAVE_ALIAS' - print '# define ALIAS2(from,to) \\' - print ' INTERNAL PURE FASTCALL GLint __gl ## from ## _size( GLenum e ) \\' - print ' __attribute__ ((alias( # to )));' - print '# define ALIAS(from,to) ALIAS2( from, __gl ## to ## _size )' - print '#else' - print '# define ALIAS(from,to) \\' - print ' INTERNAL PURE FASTCALL GLint __gl ## from ## _size( GLenum e ) \\' - print ' { return __gl ## to ## _size( e ); }' - print '#endif' - print '' - print '' - - - def printBody(self, api): - enum_sigs = {} - aliases = [] - - for func in api.functionIterateGlx(): - ef = glx_enum_function( func.name, api.enums_by_name ) - if len(ef.enums) == 0: - continue - - if (ef.is_set() and self.emit_set) or (not ef.is_set() and self.emit_get): - sig = ef.signature() - if enum_sigs.has_key( sig ): - aliases.append( [func.name, enum_sigs[ sig ]] ) - else: - enum_sigs[ sig ] = func.name - ef.Print( func.name ) - - - for [alias_name, real_name] in aliases: - print 'ALIAS( %s, %s )' % (alias_name, real_name) - - - -class PrintGlxSizeStubs_h(PrintGlxSizeStubs_common): - def printRealHeader(self): - print """/** - * \\file - * Prototypes for functions used to determine the number of data elements in - * various GLX protocol messages. - * - * \\author Ian Romanick <idr@us.ibm.com> - */ -""" - self.printPure(); - print '' - self.printFastcall(); - print '' - self.printVisibility( "INTERNAL", "internal" ); - print '' - - - def printBody(self, api): - for func in api.functionIterateGlx(): - ef = glx_enum_function( func.name, api.enums_by_name ) - if len(ef.enums) == 0: - continue - - if (ef.is_set() and self.emit_set) or (not ef.is_set() and self.emit_get): - print 'extern INTERNAL PURE FASTCALL GLint __gl%s_size(GLenum);' % (func.name) - - -class PrintGlxReqSize_common(gl_XML.gl_print_base): - """Common base class for PrintGlxSizeReq_h and PrintGlxSizeReq_h. - - The main purpose of this common base class is to provide the infrastructure - for the derrived classes to iterate over the same set of functions. - """ - - def __init__(self): - gl_XML.gl_print_base.__init__(self) - - self.name = "glX_proto_size.py (from Mesa)" - self.license = license.bsd_license_template % ( "(C) Copyright IBM Corporation 2005", "IBM") - - -class PrintGlxReqSize_h(PrintGlxReqSize_common): - def __init__(self): - PrintGlxReqSize_common.__init__(self) - self.header_tag = "_INDIRECT_REQSIZE_H_" - - - def printRealHeader(self): - self.printVisibility("HIDDEN", "hidden") - print '' - self.printPure() - print '' - - - def printBody(self, api): - for func in api.functionIterateGlx(): - if not func.ignore and func.has_variable_size_request(): - print 'extern PURE HIDDEN int __glX%sReqSize(const GLbyte *pc, Bool swap);' % (func.name) - - -class PrintGlxReqSize_c(PrintGlxReqSize_common): - """Create the server-side 'request size' functions. - - Create the server-side functions that are used to determine what the - size of a varible length command should be. The server then uses - this value to determine if the incoming command packed it malformed. - """ - - def __init__(self): - PrintGlxReqSize_common.__init__(self) - self.counter_sigs = {} - - - def printRealHeader(self): - print '' - print '#include <GL/gl.h>' - print '#include "glxserver.h"' - print '#include "indirect_size.h"' - print '#include "indirect_reqsize.h"' - print '' - print '#if defined(linux)' - print '# include <byteswap.h>' - print '# define SWAP_32(v) do { (v) = bswap_32(v); } while(0)' - print '#else' - print '# include <X11/misc.h>' - print '# define SWAP_32(v) do { char tmp; swapl(&v, tmp); } while(0)' - print '#endif' - - print '' - print '#define __GLX_PAD(x) (((x) + 3) & ~3)' - print '' - print '#if defined(__CYGWIN__) || defined(__MINGW32__)' - print '# undef HAVE_ALIAS' - print '#endif' - print '#ifdef HAVE_ALIAS' - print '# define ALIAS2(from,to) \\' - print ' GLint __glX ## from ## ReqSize( const GLbyte * pc, Bool swap ) \\' - print ' __attribute__ ((alias( # to )));' - print '# define ALIAS(from,to) ALIAS2( from, __glX ## to ## ReqSize )' - print '#else' - print '# define ALIAS(from,to) \\' - print ' GLint __glX ## from ## ReqSize( const GLbyte * pc, Bool swap ) \\' - print ' { return __glX ## to ## ReqSize( pc, swap ); }' - print '#endif' - print '' - print '' - - - 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 ' SWAP_32( %s );' % (name) - print ' }' - - return - - - def common_emit_one_arg(self, p, pc, indent, adjust): - offset = p.offset - dst = p.string() - src = '(%s *)' % (p.type_string()) - print '%s%-18s = *%11s(%s + %u);' % (indent, 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) - - 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 '}' - print '' - return - - - def printCountedFunction(self, f): - - sig = "" - offset = 0 - fixup = [] - params = [] - plus = '' - size = '' - param_offsets = {} - - # Calculate the offset of each counter parameter and the - # size string for the variable length parameter(s). While - # that is being done, calculate a unique signature for this - # function. - - for p in f.parameterIterateGlxSend(): - if p.is_counter: - fixup.append( p.name ) - params.append( p ) - elif p.counter: - s = p.size() - if s == 0: s = 1 - - sig += "(%u,%u)" % (f.offset_of(p.counter), s) - size += '%s%s' % (plus, p.size_string()) - plus = ' + ' - - - # If the calculated signature matches a function that has - # already be emitted, don't emit this function. Instead, add - # it to the list of function aliases. - - if self.counter_sigs.has_key(sig): - n = self.counter_sigs[sig]; - alias = [f.name, n] - else: - alias = None - self.counter_sigs[sig] = f.name - - self.common_func_print_just_header(f) - - for p in params: - self.common_emit_one_arg(p, "pc", " ", 0 ) - - - print '' - self.common_emit_fixups(fixup) - print '' - - print ' return __GLX_PAD(%s);' % (size) - print '}' - print '' - - return alias - - -def show_usage(): - print "Usage: %s [-f input_file_name] -m output_mode [--only-get | --only-set] [--get-alias-set]" % sys.argv[0] - print " -m output_mode Output mode can be one of 'size_c' or 'size_h'." - print " --only-get Only emit 'get'-type functions." - print " --only-set Only emit 'set'-type functions." - print "" - print "By default, both 'get' and 'set'-type functions are emitted." - sys.exit(1) - - -if __name__ == '__main__': - file_name = "gl_API.xml" - - try: - (args, trail) = getopt.getopt(sys.argv[1:], "f:m:h:", ["only-get", "only-set", "header-tag"]) - except Exception,e: - show_usage() - - mode = None - header_tag = None - which_functions = PrintGlxSizeStubs_common.do_get | PrintGlxSizeStubs_common.do_set - - for (arg,val) in args: - if arg == "-f": - file_name = val - elif arg == "-m": - mode = val - elif arg == "--only-get": - which_functions = PrintGlxSizeStubs_common.do_get - elif arg == "--only-set": - which_functions = PrintGlxSizeStubs_common.do_set - elif (arg == '-h') or (arg == "--header-tag"): - header_tag = val - - if mode == "size_c": - printer = PrintGlxSizeStubs_c( which_functions ) - elif mode == "size_h": - printer = PrintGlxSizeStubs_h( which_functions ) - if header_tag: - printer.header_tag = header_tag - elif mode == "reqsize_c": - printer = PrintGlxReqSize_c() - elif mode == "reqsize_h": - printer = PrintGlxReqSize_h() - else: - show_usage() - - api = gl_XML.parse_GL_API( file_name, glX_XML.glx_item_factory() ) - - - printer.Print( api ) |