src/mapi/glapi/gen/mesadef.py

   1 #!/usr/bin/env python
   2
   3
   4 # Mesa 3-D graphics library
   5 #
   6 # Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
   7 #
   8 # Permission is hereby granted, free of charge, to any person obtaining a
   9 # copy of this software and associated documentation files (the "Software"),
  10 # to deal in the Software without restriction, including without limitation
  11 # the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12 # and/or sell copies of the Software, and to permit persons to whom the
  13 # Software is furnished to do so, subject to the following conditions:
  14 #
  15 # The above copyright notice and this permission notice shall be included
  16 # in all copies or substantial portions of the Software.
  17 #
  18 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21 # THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  22 # OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  23 # ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  24 # 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
  38 import apiparser
  39 import string
  40
  41
  42 def 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
  79 def 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_store_compressed_teximage1d'
 138     print '\t_mesa_store_compressed_teximage2d'
 139     print '\t_mesa_store_compressed_teximage3d'
 140     print '\t_mesa_store_compressed_texsubimage1d'
 141     print '\t_mesa_store_compressed_texsubimage2d'
 142     print '\t_mesa_store_compressed_texsubimage3d'
 143     print '\t_mesa_store_teximage1d'
 144     print '\t_mesa_store_teximage2d'
 145     print '\t_mesa_store_teximage3d'
 146     print '\t_mesa_store_texsubimage1d'
 147     print '\t_mesa_store_texsubimage2d'
 148     print '\t_mesa_store_texsubimage3d'
 149     print '\t_mesa_test_proxy_teximage'
 150     print '\t_mesa_Viewport'
 151     print '\t_mesa_meta_CopyColorSubTable'
 152     print '\t_mesa_meta_CopyColorTable'
 153     print '\t_mesa_meta_CopyConvolutionFilter1D'
 154     print '\t_mesa_meta_CopyConvolutionFilter2D'
 155     print '\t_mesa_meta_CopyTexImage1D'
 156     print '\t_mesa_meta_CopyTexImage2D'
 157     print '\t_mesa_meta_CopyTexSubImage1D'
 158     print '\t_mesa_meta_CopyTexSubImage2D'
 159     print '\t_mesa_meta_CopyTexSubImage3D'
 160     print '\t_swrast_Accum'
 161     print '\t_swrast_alloc_buffers'
 162     print '\t_swrast_Bitmap'
 163     print '\t_swrast_CopyPixels'
 164     print '\t_swrast_DrawPixels'
 165     print '\t_swrast_GetDeviceDriverReference'
 166     print '\t_swrast_Clear'
 167     print '\t_swrast_choose_line'
 168     print '\t_swrast_choose_triangle'
 169     print '\t_swrast_CreateContext'
 170     print '\t_swrast_DestroyContext'
 171     print '\t_swrast_InvalidateState'
 172     print '\t_swrast_ReadPixels'
 173     print '\t_swrast_zbuffer_address'
 174     print '\t_swsetup_Wakeup'
 175     print '\t_swsetup_CreateContext'
 176     print '\t_swsetup_DestroyContext'
 177     print '\t_swsetup_InvalidateState'
 178     print '\t_tnl_CreateContext'
 179     print '\t_tnl_DestroyContext'
 180     print '\t_tnl_InvalidateState'
 181     print '\t_tnl_MakeCurrent'
 182     print '\t_tnl_run_pipeline'
 183 #enddef
 184
 185
 186 records = []
 187
 188 def FindOffset(funcName):
 189     for (name, alias, offset) in records:
 190         if name == funcName:
 191             return offset
 192         #endif
 193     #endfor
 194     return -1
 195 #enddef
 196
 197
 198 def EmitEntry(name, returnType, argTypeList, argNameList, alias, offset):
 199     if alias == '':
 200         dispatchName = name
 201     else:
 202         dispatchName = alias
 203     if offset < 0:
 204         offset = FindOffset(dispatchName)
 205     if offset >= 0 and string.find(name, "unused") == -1:
 206         print '\tgl%s' % (name)
 207         # save this info in case we need to look up an alias later
 208         records.append((name, dispatchName, offset))
 209
 210 #enddef
 211
 212
 213 PrintHead()
 214 apiparser.ProcessSpecFile("APIspec", EmitEntry)
 215 PrintTail()