X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=scripts%2Fextgen.py;h=bcff3b4498ccafeefbc061c81872c3fbef3051be;hb=355e3a068ea4ad6a7d3ab9318b3ce74b7f0b0b15;hp=d6727123d97cb842a5836ea1b7d2f4a901396962;hpb=6afbace895a7bbcf216ab8e48280ea0303ab5892;p=libs%2Fgl.git

diff --git a/scripts/extgen.py b/scripts/extgen.py
index d6727123..bcff3b44 100755
--- a/scripts/extgen.py
+++ b/scripts/extgen.py
@@ -1,6 +1,7 @@
 #!/usr/bin/python
 
 import sys
+import os
 
 if len(sys.argv)<2:
 	print """Usage:
@@ -13,16 +14,38 @@ given to override the version where <extension> was promoted to core."""
 	sys.exit(0)
 
 ext = sys.argv[1]
+out_base = None
+if ext.endswith(".glext"):
+	fn = ext
+	ext = None
+	ver = None
+	secondary = []
+	for line in open(fn):
+		parts = line.split()
+		if parts[0]=="extension":
+			ext = parts[1]
+		elif parts[0]=="core_version":
+			ver = parts[1]
+		elif parts[0]=="secondary":
+			secondary.append(parts[1])
+	if len(sys.argv)>=3:
+		out_base = os.path.splitext(sys.argv[2])[0]
+else:
+	secondary = sys.argv[2:]
+	ver = None
+	if secondary and secondary[0][0].isdigit():
+		ver = secondary.pop(0)
+
 exttype = ext.split('_')[0]
-secondary = sys.argv[2:]
-ver = None
-if secondary and secondary[0][0].isdigit():
-	ver = secondary.pop(0)
 bp_ext = None
 
+if not out_base:
+	out_base = ext.lower()
+
 class Function:
 	def __init__(self, name):
 		self.name = name
+		self.typedef = None
 		self.version = None
 		self.category = None
 		self.vectorequiv = None
@@ -89,23 +112,26 @@ funcs.sort(key=(lambda f: f.name))
 
 for f in funcs:
 	if f.extfunc:
+		f.typedef = "PFNGL%sPROC"%f.extfunc.name.upper()
 		if not ver:
 			ver = f.version
 		if not f.category.startswith("VERSION_"):
 			bp_ext = f.category
-	if not f.extfunc and not f.name.endswith(exttype):
-		bp_ext = f.category
+	else:
+		f.typedef = "PFNGL%sPROC"%f.name.upper()
+		if not f.name.endswith(exttype):
+			bp_ext = f.category
 
 if ver:
 	ver = map(int, ver.split('.'))
 
-out = file(ext.lower()+".h", "w")
+out = file(out_base+".h", "w")
 out.write("#ifndef MSP_GL_%s_\n"%ext.upper())
 out.write("#define MSP_GL_%s_\n"%ext.upper())
 
 out.write("""
-#include "extension.h"
-#include "gl.h"
+#include <msp/gl/extension.h>
+#include <msp/gl/gl.h>
 #include <GL/glext.h>
 
 namespace Msp {
@@ -115,7 +141,7 @@ namespace GL {
 if funcs:
 	out.write("\n")
 for f in funcs:
-	out.write("extern PFNGL%sPROC gl%s;\n"%(f.name.upper(), f.name))
+	out.write("extern %s gl%s;\n"%(f.typedef, f.name))
 
 out.write("\nextern Extension %s;\n"%ext)
 
@@ -126,7 +152,7 @@ out.write("""
 #endif
 """)
 
-out = file(ext.lower()+".cpp", "w")
+out = file(out_base+".cpp", "w")
 out.write("#include \"%s.h\"\n"%ext.lower())
 
 out.write("""
@@ -137,7 +163,7 @@ namespace GL {
 if funcs:
 	out.write("\n")
 for f in funcs:
-	out.write("PFNGL%sPROC gl%s = 0;\n"%(f.name.upper(), f.name))
+	out.write("%s gl%s = 0;\n"%(f.typedef, f.name))
 
 out.write("\nExtension::SupportLevel init_%s()\n{\n"%ext.lower())
 if ver:
@@ -146,7 +172,7 @@ if ver:
 		out.write(" || is_supported(\"GL_%s\")"%bp_ext)
 	out.write(")\n\t{\n")
 	for f in funcs:
-		out.write("\t\tgl%s = reinterpret_cast<PFNGL%sPROC>(get_proc_address(\"gl%s\"));\n"%(f.name, f.name.upper(), f.name))
+		out.write("\t\tgl%s = reinterpret_cast<%s>(get_proc_address(\"gl%s\"));\n"%(f.name, f.typedef, f.name))
 	out.write("\t\treturn Extension::CORE;\n")
 	out.write("\t}\n")
 if ext!=bp_ext:
@@ -155,7 +181,7 @@ if ext!=bp_ext:
 		n = f.name
 		if f.extfunc:
 			n = f.extfunc.name
-		out.write("\t\tgl%s = reinterpret_cast<PFNGL%sPROC>(get_proc_address(\"gl%s\"));\n"%(f.name, f.name.upper(), n))
+		out.write("\t\tgl%s = reinterpret_cast<%s>(get_proc_address(\"gl%s\"));\n"%(f.name, f.typedef, n))
 	out.write("\t\treturn Extension::EXTENSION;\n")
 	out.write("\t}\n")
 out.write("\treturn Extension::UNSUPPORTED;\n")