diff options
author | George Sapountzis <gsapountzis@gmail.com> | 2010-02-22 22:27:48 +0200 |
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committer | George Sapountzis <gsapountzis@gmail.com> | 2010-02-24 02:11:30 +0200 |
commit | f437a673777ca613ef4c1464fb9083e269f3928c (patch) | |
tree | 219b072610a75e770e1dc827ceec2ea18d5121c1 /src/mesa/glapi/gen/extension_helper.py | |
parent | 232f6e176192d112fbdf9bd7de2d0f36ee16a246 (diff) |
glapi: mv code generation to subdir
This just moves files, code generation Makefile will be fixed in next commit for easier review.
Diffstat (limited to 'src/mesa/glapi/gen/extension_helper.py')
-rw-r--r-- | src/mesa/glapi/gen/extension_helper.py | 324 |
1 files changed, 324 insertions, 0 deletions
diff --git a/src/mesa/glapi/gen/extension_helper.py b/src/mesa/glapi/gen/extension_helper.py new file mode 100644 index 0000000000..83471d89f5 --- /dev/null +++ b/src/mesa/glapi/gen/extension_helper.py @@ -0,0 +1,324 @@ +#!/usr/bin/env python + +# (C) Copyright IBM Corporation 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 +import license +import sys, getopt, string + +vtxfmt = [ + "ArrayElement", \ + "Color3f", \ + "Color3fv", \ + "Color4f", \ + "Color4fv", \ + "EdgeFlag", \ + "EdgeFlagv", \ + "EvalCoord1f", \ + "EvalCoord1fv", \ + "EvalCoord2f", \ + "EvalCoord2fv", \ + "EvalPoint1", \ + "EvalPoint2", \ + "FogCoordfEXT", \ + "FogCoordfvEXT", \ + "Indexf", \ + "Indexfv", \ + "Materialfv", \ + "MultiTexCoord1fARB", \ + "MultiTexCoord1fvARB", \ + "MultiTexCoord2fARB", \ + "MultiTexCoord2fvARB", \ + "MultiTexCoord3fARB", \ + "MultiTexCoord3fvARB", \ + "MultiTexCoord4fARB", \ + "MultiTexCoord4fvARB", \ + "Normal3f", \ + "Normal3fv", \ + "SecondaryColor3fEXT", \ + "SecondaryColor3fvEXT", \ + "TexCoord1f", \ + "TexCoord1fv", \ + "TexCoord2f", \ + "TexCoord2fv", \ + "TexCoord3f", \ + "TexCoord3fv", \ + "TexCoord4f", \ + "TexCoord4fv", \ + "Vertex2f", \ + "Vertex2fv", \ + "Vertex3f", \ + "Vertex3fv", \ + "Vertex4f", \ + "Vertex4fv", \ + "CallList", \ + "CallLists", \ + "Begin", \ + "End", \ + "VertexAttrib1fNV", \ + "VertexAttrib1fvNV", \ + "VertexAttrib2fNV", \ + "VertexAttrib2fvNV", \ + "VertexAttrib3fNV", \ + "VertexAttrib3fvNV", \ + "VertexAttrib4fNV", \ + "VertexAttrib4fvNV", \ + "VertexAttrib1fARB", \ + "VertexAttrib1fvARB", \ + "VertexAttrib2fARB", \ + "VertexAttrib2fvARB", \ + "VertexAttrib3fARB", \ + "VertexAttrib3fvARB", \ + "VertexAttrib4fARB", \ + "VertexAttrib4fvARB", \ + "Rectf", \ + "DrawArrays", \ + "DrawElements", \ + "DrawRangeElements", \ + "EvalMesh1", \ + "EvalMesh2", \ +] + +def all_entrypoints_in_abi(f, abi, api): + for n in f.entry_points: + [category, num] = api.get_category_for_name( n ) + if category not in abi: + return 0 + + return 1 + + +def any_entrypoints_in_abi(f, abi, api): + for n in f.entry_points: + [category, num] = api.get_category_for_name( n ) + if category in abi: + return 1 + + return 0 + + +def condition_for_function(f, abi, all_not_in_ABI): + """Create a C-preprocessor condition for the function. + + There are two modes of operation. If all_not_in_ABI is set, a + condition is only created is all of the entry-point names for f are + not in the selected ABI. If all_not_in_ABI is not set, a condition + is created if any entryp-point name is not in the selected ABI. + """ + + condition = [] + for n in f.entry_points: + [category, num] = api.get_category_for_name( n ) + if category not in abi: + condition.append( 'defined(need_%s)' % (gl_XML.real_category_name( category )) ) + elif all_not_in_ABI: + return [] + + return condition + + +class PrintGlExtensionGlue(gl_XML.gl_print_base): + def __init__(self): + gl_XML.gl_print_base.__init__(self) + + self.name = "extension_helper.py (from Mesa)" + self.license = license.bsd_license_template % ("(C) Copyright IBM Corporation 2005", "IBM") + return + + + def printRealHeader(self): + print '#include "utils.h"' + print '#include "glapi/dispatch.h"' + print '' + return + + + def printBody(self, api): + abi = [ "1.0", "1.1", "1.2", "GL_ARB_multitexture" ] + + category_list = {} + + print '#ifndef NULL' + print '# define NULL 0' + print '#endif' + print '' + + for f in api.functionIterateAll(): + condition = condition_for_function(f, abi, 0) + if len(condition): + print '#if %s' % (string.join(condition, " || ")) + print 'static const char %s_names[] =' % (f.name) + + parameter_signature = '' + for p in f.parameterIterator(): + if p.is_padding: + continue + + # FIXME: This is a *really* ugly hack. :( + + tn = p.type_expr.get_base_type_node() + if p.is_pointer(): + parameter_signature += 'p' + elif tn.integer: + parameter_signature += 'i' + elif tn.size == 4: + parameter_signature += 'f' + else: + parameter_signature += 'd' + + print ' "%s\\0" /* Parameter signature */' % (parameter_signature) + + for n in f.entry_points: + print ' "gl%s\\0"' % (n) + + [category, num] = api.get_category_for_name( n ) + if category not in abi: + c = gl_XML.real_category_name(category) + if not category_list.has_key(c): + category_list[ c ] = [] + + category_list[ c ].append( f ) + + print ' "";' + print '#endif' + print '' + + keys = category_list.keys() + keys.sort() + + for category in keys: + print '#if defined(need_%s)' % (category) + print 'static const struct dri_extension_function %s_functions[] = {' % (category) + + for f in category_list[ category ]: + # A function either has an offset that is + # assigned by the ABI, or it has a remap + # index. + if any_entrypoints_in_abi(f, abi, api): + index_name = "-1" + offset = f.offset + else: + index_name = "%s_remap_index" % (f.name) + offset = -1 + + print ' { %s_names, %s, %d },' % (f.name, index_name, offset) + + + print ' { NULL, 0, 0 }' + print '};' + print '#endif' + print '' + + return + + +class PrintInitDispatch(gl_XML.gl_print_base): + def __init__(self): + gl_XML.gl_print_base.__init__(self) + + self.name = "extension_helper.py (from Mesa)" + self.license = license.bsd_license_template % ("(C) Copyright IBM Corporation 2005", "IBM") + return + + + def do_function_body(self, api, abi, vtxfmt_only): + last_condition_string = None + for f in api.functionIterateByOffset(): + if (f.name in vtxfmt) and not vtxfmt_only: + continue + + if (f.name not in vtxfmt) and vtxfmt_only: + continue + + condition = condition_for_function(f, abi, 1) + condition_string = string.join(condition, " || ") + + if condition_string != last_condition_string: + if last_condition_string: + print '#endif /* %s */' % (last_condition_string) + + if condition_string: + print '#if %s' % (condition_string) + + if vtxfmt_only: + print ' disp->%s = vfmt->%s;' % (f.name, f.name) + else: + print ' disp->%s = _mesa_%s;' % (f.name, f.name) + + last_condition_string = condition_string + + if last_condition_string: + print '#endif /* %s */' % (last_condition_string) + + + + def printBody(self, api): + abi = [ "1.0", "1.1", "1.2", "GL_ARB_multitexture" ] + + print 'void driver_init_exec_table(struct _glapi_table *disp)' + print '{' + self.do_function_body(api, abi, 0) + print '}' + print '' + print 'void driver_install_vtxfmt(struct _glapi_table *disp, const GLvertexformat *vfmt)' + print '{' + self.do_function_body(api, abi, 1) + print '}' + + return + + +def show_usage(): + print "Usage: %s [-f input_file_name] [-m output_mode]" % sys.argv[0] + print " -m output_mode Output mode can be one of 'extensions' or 'exec_init'." + sys.exit(1) + +if __name__ == '__main__': + file_name = "gl_API.xml" + + try: + (args, trail) = getopt.getopt(sys.argv[1:], "f:m:") + except Exception,e: + show_usage() + + mode = "extensions" + for (arg,val) in args: + if arg == "-f": + file_name = val + if arg == '-m': + mode = val + + + api = gl_XML.parse_GL_API( file_name ) + + if mode == "extensions": + printer = PrintGlExtensionGlue() + elif mode == "exec_init": + printer = PrintInitDispatch() + else: + show_usage() + + printer.Print( api ) |