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authorChia-I Wu <olvaffe@gmail.com>2009-09-03 11:05:06 +0800
committerChia-I Wu <olvaffe@gmail.com>2009-09-12 20:56:02 +0800
commit4cf0415cc0ba2a40c838181ae737032fa2fc51d4 (patch)
tree33715a6234680e4227a88429dca1252aa2ee7f24 /src/mesa/glapi/gl_table.py
parent3de1a6584fd8596b6ad45dbd55f7d285885f0544 (diff)
glapi: Add OpenGL ES compatibility mode to scripts.
When the mode is on, the scripts would generate headers that are suitable for OpenGL ES overlay, that will be later introduced.
Diffstat (limited to 'src/mesa/glapi/gl_table.py')
-rw-r--r--src/mesa/glapi/gl_table.py65
1 files changed, 55 insertions, 10 deletions
diff --git a/src/mesa/glapi/gl_table.py b/src/mesa/glapi/gl_table.py
index 55a33748ae..6c7331ee69 100644
--- a/src/mesa/glapi/gl_table.py
+++ b/src/mesa/glapi/gl_table.py
@@ -30,9 +30,10 @@ import license
import sys, getopt
class PrintGlTable(gl_XML.gl_print_base):
- def __init__(self):
+ def __init__(self, es=False):
gl_XML.gl_print_base.__init__(self)
+ self.es = es
self.header_tag = '_GLAPI_TABLE_H_'
self.name = "gl_table.py (from Mesa)"
self.license = license.bsd_license_template % ( \
@@ -42,10 +43,27 @@ class PrintGlTable(gl_XML.gl_print_base):
def printBody(self, api):
+ if self.es:
+ typedefs = []
+ for t in api.typeIterate():
+ if t.name == "fixed":
+ typedefs.append("typedef int GLfixed;")
+ elif t.name == "clampx":
+ typedefs.append("typedef int GLclampx;")
+ if typedefs:
+ print '#ifndef HAVE_GLES_TYPES'
+ print "\n".join(typedefs)
+ print '#endif'
+ print ''
+ print 'struct _glapi_table'
+ print '{'
+
for f in api.functionIterateByOffset():
arg_string = f.get_parameter_string()
print ' %s (GLAPIENTRYP %s)(%s); /* %d */' % (f.return_type, f.name, arg_string, f.offset)
+ print '};'
+
def printRealHeader(self):
print '#ifndef GLAPIENTRYP'
@@ -56,21 +74,18 @@ class PrintGlTable(gl_XML.gl_print_base):
print '# define GLAPIENTRYP GLAPIENTRY *'
print '#endif'
print ''
- print ''
- print 'struct _glapi_table'
- print '{'
return
def printRealFooter(self):
- print '};'
return
class PrintRemapTable(gl_XML.gl_print_base):
- def __init__(self):
+ def __init__(self, es=False):
gl_XML.gl_print_base.__init__(self)
+ self.es = es
self.header_tag = '_DISPATCH_H_'
self.name = "gl_table.py (from Mesa)"
self.license = license.bsd_license_template % ("(C) Copyright IBM Corporation 2005", "IBM")
@@ -116,6 +131,7 @@ class PrintRemapTable(gl_XML.gl_print_base):
functions = []
abi_functions = []
+ alias_functions = []
count = 0
for f in api.functionIterateByOffset():
[category, num] = api.get_category_for_name( f.name )
@@ -125,6 +141,11 @@ class PrintRemapTable(gl_XML.gl_print_base):
else:
abi_functions.append( f )
+ if self.es:
+ # remember functions with aliases
+ if [f.name] != f.entry_points:
+ alias_functions.append(f)
+
for f in abi_functions:
print '#define CALL_%s(disp, parameters) (*((disp)->%s)) parameters' % (f.name, f.name)
@@ -164,33 +185,57 @@ class PrintRemapTable(gl_XML.gl_print_base):
print ''
print '#endif /* !defined(IN_DRI_DRIVER) */'
+
+ if self.es and alias_functions:
+ print ''
+ print '/* define aliases for compatibility */'
+ for f in alias_functions:
+ for name in f.entry_points:
+ if name != f.name:
+ print '#define CALL_%s(disp, parameters) CALL_%s(disp, parameters)' % (name, f.name)
+ print '#define GET_%s(disp) GET_%s(disp)' % (name, f.name)
+ print '#define SET_%s(disp, fn) SET_%s(disp, fn)' % (name, f.name)
+ print ''
+
+ print '#if defined(IN_DRI_DRIVER)'
+ for f in alias_functions:
+ for name in f.entry_points:
+ if name != f.name:
+ print '#define %s_remap_index %s_remap_index' % (name, f.name)
+ print '#endif /* defined(IN_DRI_DRIVER) */'
+ print ''
+
return
def show_usage():
- print "Usage: %s [-f input_file_name] [-m mode]" % sys.argv[0]
+ print "Usage: %s [-f input_file_name] [-m mode] [-c]" % sys.argv[0]
print " -m mode Mode can be 'table' or 'remap_table'."
+ print " -c Enable compatibility with OpenGL ES."
sys.exit(1)
if __name__ == '__main__':
file_name = "gl_API.xml"
try:
- (args, trail) = getopt.getopt(sys.argv[1:], "f:m:")
+ (args, trail) = getopt.getopt(sys.argv[1:], "f:m:c")
except Exception,e:
show_usage()
mode = "table"
+ es = False
for (arg,val) in args:
if arg == "-f":
file_name = val
elif arg == "-m":
mode = val
+ elif arg == "-c":
+ es = True
if mode == "table":
- printer = PrintGlTable()
+ printer = PrintGlTable(es)
elif mode == "remap_table":
- printer = PrintRemapTable()
+ printer = PrintRemapTable(es)
else:
show_usage()