src/mesa/glapi/gen/mesadef.py

   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
  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_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
 187 records = []
 188
 189 def 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
 199 def 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
 214 PrintHead()
 215 apiparser.ProcessSpecFile("APIspec", EmitEntry)
 216 PrintTail()