1#!/usr/bin/env python
2
3
4# Mesa 3-D graphics library
5# Version:  4.1
6#
7# Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
8#
9# Permission is hereby granted, free of charge, to any person obtaining a
10# copy of this software and associated documentation files (the "Software"),
11# to deal in the Software without restriction, including without limitation
12# the rights to use, copy, modify, merge, publish, distribute, sublicense,
13# and/or sell copies of the Software, and to permit persons to whom the
14# Software is furnished to do so, subject to the following conditions:
15#
16# The above copyright notice and this permission notice shall be included
17# in all copies or substantial portions of the Software.
18#
19# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
22# BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
23# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25
26
27# Generate the mesa.def file for Windows.
28#
29# Usage:
30#    mesadef.py >mesa.def
31#    Then copy to src/mesa/drivers/windows/gdi
32#
33# Dependencies:
34#    The apispec file must be in the current directory.
35
36
37
38import apiparser
39import string
40
41
42def PrintHead():
43	print '; DO NOT EDIT - This file generated automatically by mesadef.py script'
44	print 'DESCRIPTION \'Mesa (OpenGL work-alike) for Win32\''
45	print 'VERSION 6.0'
46	print ';'
47	print '; Module definition file for Mesa (OPENGL32.DLL)'
48	print ';'
49	print '; Note: The OpenGL functions use the STDCALL'
50	print '; function calling convention.  Microsoft\'s'
51	print '; OPENGL32 uses this convention and so must the'
52	print '; Mesa OPENGL32 so that the Mesa DLL can be used'
53	print '; as a drop-in replacement.'
54	print ';'
55	print '; The linker exports STDCALL entry points with'
56	print '; \'decorated\' names; e.g., _glBegin@0, where the'
57	print '; trailing number is the number of bytes of '
58	print '; parameter data pushed onto the stack.  The'
59	print '; callee is responsible for popping this data'
60	print '; off the stack, usually via a RETF n instruction.'
61	print ';'
62	print '; However, the Microsoft OPENGL32.DLL does not export'
63	print '; the decorated names, even though the calling convention'
64	print '; is STDCALL.  So, this module definition file is'
65	print '; needed to force the Mesa OPENGL32.DLL to export the'
66	print '; symbols in the same manner as the Microsoft DLL.'
67	print '; Were it not for this problem, this file would not'
68	print '; be needed (for the gl* functions) since the entry'
69	print '; points are compiled with dllexport declspec.'
70	print ';'
71	print '; However, this file is still needed to export "internal"'
72	print '; Mesa symbols for the benefit of the OSMESA32.DLL.'
73	print ';'
74	print 'EXPORTS'
75	return
76#enddef
77
78
79def PrintTail():
80	print ';'
81	print '; WGL API'
82	print '\twglChoosePixelFormat'
83	print '\twglCopyContext'
84	print '\twglCreateContext'
85	print '\twglCreateLayerContext'
86	print '\twglDeleteContext'
87	print '\twglDescribeLayerPlane'
88	print '\twglDescribePixelFormat'
89	print '\twglGetCurrentContext'
90	print '\twglGetCurrentDC'
91	print '\twglGetExtensionsStringARB'
92	print '\twglGetLayerPaletteEntries'
93	print '\twglGetPixelFormat'
94	print '\twglGetProcAddress'
95	print '\twglMakeCurrent'
96	print '\twglRealizeLayerPalette'
97	print '\twglSetLayerPaletteEntries'
98	print '\twglSetPixelFormat'
99	print '\twglShareLists'
100	print '\twglSwapBuffers'
101	print '\twglSwapLayerBuffers'
102	print '\twglUseFontBitmapsA'
103	print '\twglUseFontBitmapsW'
104	print '\twglUseFontOutlinesA'
105	print '\twglUseFontOutlinesW'
106	print ';'
107	print '; Mesa internals - mostly for OSMESA'
108	print '\t_ac_CreateContext'
109	print '\t_ac_DestroyContext'
110	print '\t_ac_InvalidateState'
111	print '\t_glapi_get_context'
112	print '\t_glapi_get_proc_address'
113	print '\t_mesa_buffer_data'
114	print '\t_mesa_buffer_map'
115	print '\t_mesa_buffer_subdata'
116	print '\t_mesa_choose_tex_format'
117	print '\t_mesa_compressed_texture_size'
118	print '\t_mesa_create_framebuffer'
119	print '\t_mesa_create_visual'
120	print '\t_mesa_delete_buffer_object'
121	print '\t_mesa_delete_texture_object'
122	print '\t_mesa_destroy_framebuffer'
123	print '\t_mesa_destroy_visual'
124	print '\t_mesa_enable_1_3_extensions'
125	print '\t_mesa_enable_1_4_extensions'
126	print '\t_mesa_enable_1_5_extensions'
127	print '\t_mesa_enable_sw_extensions'
128	print '\t_mesa_error'
129	print '\t_mesa_free_context_data'
130	print '\t_mesa_get_current_context'
131	print '\t_mesa_init_default_imports'
132	print '\t_mesa_initialize_context'
133	print '\t_mesa_make_current'
134	print '\t_mesa_new_buffer_object'
135	print '\t_mesa_new_texture_object'
136	print '\t_mesa_problem'
137	print '\t_mesa_ResizeBuffersMESA'
138	print '\t_mesa_store_compressed_teximage1d'
139	print '\t_mesa_store_compressed_teximage2d'
140	print '\t_mesa_store_compressed_teximage3d'
141	print '\t_mesa_store_compressed_texsubimage1d'
142	print '\t_mesa_store_compressed_texsubimage2d'
143	print '\t_mesa_store_compressed_texsubimage3d'
144	print '\t_mesa_store_teximage1d'
145	print '\t_mesa_store_teximage2d'
146	print '\t_mesa_store_teximage3d'
147	print '\t_mesa_store_texsubimage1d'
148	print '\t_mesa_store_texsubimage2d'
149	print '\t_mesa_store_texsubimage3d'
150	print '\t_mesa_test_proxy_teximage'
151	print '\t_mesa_Viewport'
152	print '\t_mesa_meta_CopyColorSubTable'
153	print '\t_mesa_meta_CopyColorTable'
154	print '\t_mesa_meta_CopyConvolutionFilter1D'
155	print '\t_mesa_meta_CopyConvolutionFilter2D'
156	print '\t_mesa_meta_CopyTexImage1D'
157	print '\t_mesa_meta_CopyTexImage2D'
158	print '\t_mesa_meta_CopyTexSubImage1D'
159	print '\t_mesa_meta_CopyTexSubImage2D'
160	print '\t_mesa_meta_CopyTexSubImage3D'
161	print '\t_swrast_Accum'
162	print '\t_swrast_alloc_buffers'
163	print '\t_swrast_Bitmap'
164	print '\t_swrast_CopyPixels'
165	print '\t_swrast_DrawPixels'
166	print '\t_swrast_GetDeviceDriverReference'
167	print '\t_swrast_Clear'
168	print '\t_swrast_choose_line'
169	print '\t_swrast_choose_triangle'
170	print '\t_swrast_CreateContext'
171	print '\t_swrast_DestroyContext'
172	print '\t_swrast_InvalidateState'
173	print '\t_swrast_ReadPixels'
174	print '\t_swrast_zbuffer_address'
175	print '\t_swsetup_Wakeup'
176	print '\t_swsetup_CreateContext'
177	print '\t_swsetup_DestroyContext'
178	print '\t_swsetup_InvalidateState'
179	print '\t_tnl_CreateContext'
180	print '\t_tnl_DestroyContext'
181	print '\t_tnl_InvalidateState'
182	print '\t_tnl_MakeCurrent'
183	print '\t_tnl_run_pipeline'
184#enddef
185
186
187records = []
188
189def FindOffset(funcName):
190	for (name, alias, offset) in records:
191		if name == funcName:
192			return offset
193		#endif
194	#endfor
195	return -1
196#enddef
197
198
199def EmitEntry(name, returnType, argTypeList, argNameList, alias, offset):
200	if alias == '':
201		dispatchName = name
202	else:
203		dispatchName = alias
204	if offset < 0:
205		offset = FindOffset(dispatchName)
206	if offset >= 0 and string.find(name, "unused") == -1:
207		print '\tgl%s' % (name)
208		# save this info in case we need to look up an alias later
209		records.append((name, dispatchName, offset))
210
211#enddef
212
213
214PrintHead()
215apiparser.ProcessSpecFile("APIspec", EmitEntry)
216PrintTail()
217