1 files changed, 180 insertions, 0 deletions
diff --git a/src/mapi/new/gen_gldispatch_mapi.py b/src/mapi/new/gen_gldispatch_mapi.py
new file mode 100755
index 00000000000..03fb49a7a29
--- /dev/null
+++ b/src/mapi/new/gen_gldispatch_mapi.py
@@ -0,0 +1,180 @@
+#!/usr/bin/env python
+
+# Copyright (C) 2010 LunarG Inc.
+# (C) Copyright 2015, NVIDIA CORPORATION.
+#
+# 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
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS 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:
+#    Kyle Brenneman <[email protected]>
+#
+# Based on code ogiginally by:
+#    Chia-I Wu <[email protected]>
+
+
+"""
+Generates the glapi_mapi_tmp.h header file from Khronos's XML file.
+"""
+
+import sys
+import xml.etree.cElementTree as etree
+
+import genCommon
+
+def _main():
+    target = sys.argv[1]
+    xmlFiles = sys.argv[2:]
+
+    roots = [ etree.parse(filename).getroot() for filename in xmlFiles ]
+    allFunctions = genCommon.getFunctionsFromRoots(roots)
+
+    names = genCommon.getExportNamesFromRoots(target, roots)
+    functions = [f for f in allFunctions if(f.name in names)]
+
+    if (target in ("gl", "gldispatch")):
+        assert(len(functions) == len(allFunctions))
+        assert(all(functions[i] == allFunctions[i] for i in range(len(functions))))
+        assert(all(functions[i].slot == i for i in range(len(functions))))
+
+    print(r"""
+/* This file is automatically generated by mapi_abi.py.  Do not modify. */
+
+#ifndef _GLAPI_TMP_H_
+#define _GLAPI_TMP_H_
+typedef int GLclampx;
+typedef void (APIENTRY  *GLDEBUGPROCKHR)(GLenum source,GLenum type,GLuint id,GLenum severity,GLsizei length,const GLchar *message,const void *userParam);
+#endif /* _GLAPI_TMP_H_ */
+""".lstrip("\n"))
+
+    print(generate_defines(functions))
+    print(generate_table(functions, allFunctions))
+    print(generate_noop_array(functions))
+    print(generate_public_stubs(functions))
+    print(generate_public_entries(functions))
+    print(generate_stub_asm_gcc(functions))
+
+def generate_defines(functions):
+    text = r"""
+#ifdef MAPI_TMP_DEFINES
+#define GL_GLEXT_PROTOTYPES
+#include "GL/gl.h"
+#include "GL/glext.h"
+
+""".lstrip("\n")
+    for func in functions:
+        text += "GLAPI {f.rt} APIENTRY {f.name}({f.decArgs});\n".format(f=func)
+    text += "#undef MAPI_TMP_DEFINES\n"
+    text += "#endif /* MAPI_TMP_DEFINES */\n"
+    return text
+
+def generate_table(functions, allFunctions):
+    text = "#ifdef MAPI_TMP_TABLE\n"
+    text += "#define MAPI_TABLE_NUM_STATIC %d\n" % (len(allFunctions))
+    text += "#define MAPI_TABLE_NUM_DYNAMIC %d\n" % (genCommon.MAPI_TABLE_NUM_DYNAMIC,)
+    text += "#undef MAPI_TMP_TABLE\n"
+    text += "#endif /* MAPI_TMP_TABLE */\n"
+    return text
+
+def generate_noop_array(functions):
+    text = "#ifdef MAPI_TMP_NOOP_ARRAY\n"
+    text += "#ifdef DEBUG\n\n"
+
+    for func in functions:
+        text += "static {f.rt} APIENTRY noop{f.basename}({f.decArgs})\n".format(f=func)
+        text += "{\n"
+        if (len(func.args) > 0):
+            text += "  "
+            for arg in func.args:
+                text += " (void) {a.name};".format(a=arg)
+            text += "\n"
+        text += "   noop_warn(\"{f.name}\");\n".format(f=func)
+        if (func.hasReturn()):
+            text += "   return ({f.rt}) 0;\n".format(f=func)
+        text += "}\n\n"
+
+    text += "const mapi_func table_noop_array[] = {\n"
+    for func in functions:
+        text += "   (mapi_func) noop{f.basename},\n".format(f=func)
+    for i in range(genCommon.MAPI_TABLE_NUM_DYNAMIC - 1):
+        text += "   (mapi_func) noop_generic,\n"
+    text += "   (mapi_func) noop_generic\n"
+    text += "};\n\n"
+    text += "#else /* DEBUG */\n\n"
+    text += "const mapi_func table_noop_array[] = {\n"
+    for i in range(len(functions) + genCommon.MAPI_TABLE_NUM_DYNAMIC - 1):
+        text += "   (mapi_func) noop_generic,\n"
+    text += "   (mapi_func) noop_generic\n"
+
+    text += "};\n\n"
+    text += "#endif /* DEBUG */\n"
+    text += "#undef MAPI_TMP_NOOP_ARRAY\n"
+    text += "#endif /* MAPI_TMP_NOOP_ARRAY */\n"
+    return text
+
+def generate_public_stubs(functions):
+    text = "#ifdef MAPI_TMP_PUBLIC_STUBS\n"
+
+    text += "static const struct mapi_stub public_stubs[] = {\n"
+    for func in functions:
+        text += "   { \"%s\", %d, NULL },\n" % (func.name, func.slot)
+    text += "};\n"
+    text += "#undef MAPI_TMP_PUBLIC_STUBS\n"
+    text += "#endif /* MAPI_TMP_PUBLIC_STUBS */\n"
+    return text
+
+def generate_public_entries(functions):
+    text = "#ifdef MAPI_TMP_PUBLIC_ENTRIES\n"
+
+    for func in functions:
+        retStr = ("return " if func.hasReturn() else "")
+        text += r"""
+GLAPI {f.rt} APIENTRY {f.name}({f.decArgs})
+{{
+   const struct _glapi_table *_tbl = entry_current_get();
+   mapi_func _func = ((const mapi_func *) _tbl)[{f.slot}];
+   {retStr}(({f.rt} (APIENTRY *)({f.decArgs})) _func)({f.callArgs});
+}}
+
+""".lstrip("\n").format(f=func, retStr=retStr)
+
+    text += "\n"
+    text += "static const mapi_func public_entries[] = {\n"
+    for func in functions:
+        text += "   (mapi_func) %s,\n" % (func.name,)
+    text += "};\n"
+    text += "#undef MAPI_TMP_PUBLIC_ENTRIES\n"
+    text += "#endif /* MAPI_TMP_PUBLIC_ENTRIES */\n"
+    return text
+
+def generate_stub_asm_gcc(functions):
+    text = "#ifdef MAPI_TMP_STUB_ASM_GCC\n"
+    text += "__asm__(\n"
+
+    for func in functions:
+        text += 'STUB_ASM_ENTRY("%s")"\\n"\n' % (func.name,)
+        text += '"\\t"STUB_ASM_CODE("%d")"\\n"\n\n' % (func.slot,)
+
+    text += ");\n"
+    text += "#undef MAPI_TMP_STUB_ASM_GCC\n"
+    text += "#endif /* MAPI_TMP_STUB_ASM_GCC */\n"
+    return text
+
+if (__name__ == "__main__"):
+    _main()
+