src/gallium/drivers/svga/svgadump/svga_dump.py

   1 #!/usr/bin/env python
   2 '''
   3 Generates dumper for the SVGA 3D command stream using pygccxml.
   4
   5 Jose Fonseca <jfonseca@vmware.com>
   6 '''
   7
   8 copyright = '''
   9 /**********************************************************
  10  * Copyright 2009 VMware, Inc.  All rights reserved.
  11  *
  12  * Permission is hereby granted, free of charge, to any person
  13  * obtaining a copy of this software and associated documentation
  14  * files (the "Software"), to deal in the Software without
  15  * restriction, including without limitation the rights to use, copy,
  16  * modify, merge, publish, distribute, sublicense, and/or sell copies
  17  * of the Software, and to permit persons to whom the Software is
  18  * furnished to do so, subject to the following conditions:
  19  *
  20  * The above copyright notice and this permission notice shall be
  21  * included in all copies or substantial portions of the Software.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  *
  32  **********************************************************/
  33  '''
  34
  35 import os
  36 import sys
  37
  38 from pygccxml import parser
  39 from pygccxml import declarations
  40
  41 from pygccxml.declarations import algorithm
  42 from pygccxml.declarations import decl_visitor
  43 from pygccxml.declarations import type_traits
  44 from pygccxml.declarations import type_visitor
  45
  46
  47 enums = True
  48
  49
  50 class decl_dumper_t(decl_visitor.decl_visitor_t):
  51
  52     def __init__(self, instance = '', decl = None):
  53         decl_visitor.decl_visitor_t.__init__(self)
  54         self._instance = instance
  55         self.decl = decl
  56
  57     def clone(self):
  58         return decl_dumper_t(self._instance, self.decl)
  59
  60     def visit_class(self):
  61         class_ = self.decl
  62         assert self.decl.class_type in ('struct', 'union')
  63
  64         for variable in class_.variables():
  65             if variable.name != '':
  66                 #print 'variable = %r' % variable.name
  67                 dump_type(self._instance + '.' + variable.name, variable.type)
  68
  69     def visit_enumeration(self):
  70         if enums:
  71             print '   switch(%s) {' % ("(*cmd)" + self._instance,)
  72             for name, value in self.decl.values:
  73                 print '   case %s:' % (name,)
  74                 print '      _debug_printf("\\t\\t%s = %s\\n");' % (self._instance, name)
  75                 print '      break;'
  76             print '   default:'
  77             print '      _debug_printf("\\t\\t%s = %%i\\n", %s);' % (self._instance, "(*cmd)" + self._instance)
  78             print '      break;'
  79             print '   }'
  80         else:
  81             print '   _debug_printf("\\t\\t%s = %%i\\n", %s);' % (self._instance, "(*cmd)" + self._instance)
  82
  83
  84 def dump_decl(instance, decl):
  85     dumper = decl_dumper_t(instance, decl)
  86     algorithm.apply_visitor(dumper, decl)
  87
  88
  89 class type_dumper_t(type_visitor.type_visitor_t):
  90
  91     def __init__(self, instance, type_):
  92         type_visitor.type_visitor_t.__init__(self)
  93         self.instance = instance
  94         self.type = type_
  95
  96     def clone(self):
  97         return type_dumper_t(self.instance, self.type)
  98
  99     def visit_char(self):
 100         self.print_instance('%i')
 101
 102     def visit_unsigned_char(self):
 103         self.print_instance('%u')
 104
 105     def visit_signed_char(self):
 106         self.print_instance('%i')
 107
 108     def visit_wchar(self):
 109         self.print_instance('%i')
 110
 111     def visit_short_int(self):
 112         self.print_instance('%i')
 113
 114     def visit_short_unsigned_int(self):
 115         self.print_instance('%u')
 116
 117     def visit_bool(self):
 118         self.print_instance('%i')
 119
 120     def visit_int(self):
 121         self.print_instance('%i')
 122
 123     def visit_unsigned_int(self):
 124         self.print_instance('%u')
 125
 126     def visit_long_int(self):
 127         self.print_instance('%li')
 128
 129     def visit_long_unsigned_int(self):
 130         self.print_instance('%lu')
 131
 132     def visit_long_long_int(self):
 133         self.print_instance('%lli')
 134
 135     def visit_long_long_unsigned_int(self):
 136         self.print_instance('%llu')
 137
 138     def visit_float(self):
 139         self.print_instance('%f')
 140
 141     def visit_double(self):
 142         self.print_instance('%f')
 143
 144     def visit_array(self):
 145         for i in range(type_traits.array_size(self.type)):
 146             dump_type(self.instance + '[%i]' % i, type_traits.base_type(self.type))
 147
 148     def visit_pointer(self):
 149         self.print_instance('%p')
 150
 151     def visit_declarated(self):
 152         #print 'decl = %r' % self.type.decl_string
 153         decl = type_traits.remove_declarated(self.type)
 154         dump_decl(self.instance, decl)
 155
 156     def print_instance(self, format):
 157         print '   _debug_printf("\\t\\t%s = %s\\n", %s);' % (self.instance, format, "(*cmd)" + self.instance)
 158
 159
 160 def dump_type(instance, type_):
 161     type_ = type_traits.remove_alias(type_)
 162     visitor = type_dumper_t(instance, type_)
 163     algorithm.apply_visitor(visitor, type_)
 164
 165
 166 def dump_struct(decls, class_):
 167     print 'static void'
 168     print 'dump_%s(const %s *cmd)' % (class_.name, class_.name)
 169     print '{'
 170     dump_decl('', class_)
 171     print '}'
 172     print ''
 173
 174
 175 cmds = [
 176     ('SVGA_3D_CMD_SURFACE_DEFINE', 'SVGA3dCmdDefineSurface', (), 'SVGA3dSize'),
 177     ('SVGA_3D_CMD_SURFACE_DESTROY', 'SVGA3dCmdDestroySurface', (), None),
 178     ('SVGA_3D_CMD_SURFACE_COPY', 'SVGA3dCmdSurfaceCopy', (), 'SVGA3dCopyBox'),
 179     ('SVGA_3D_CMD_SURFACE_STRETCHBLT', 'SVGA3dCmdSurfaceStretchBlt', (), None),
 180     ('SVGA_3D_CMD_SURFACE_DMA', 'SVGA3dCmdSurfaceDMA', (), 'SVGA3dCopyBox'),
 181     ('SVGA_3D_CMD_CONTEXT_DEFINE', 'SVGA3dCmdDefineContext', (), None),
 182     ('SVGA_3D_CMD_CONTEXT_DESTROY', 'SVGA3dCmdDestroyContext', (), None),
 183     ('SVGA_3D_CMD_SETTRANSFORM', 'SVGA3dCmdSetTransform', (), None),
 184     ('SVGA_3D_CMD_SETZRANGE', 'SVGA3dCmdSetZRange', (), None),
 185     ('SVGA_3D_CMD_SETRENDERSTATE', 'SVGA3dCmdSetRenderState', (), 'SVGA3dRenderState'),
 186     ('SVGA_3D_CMD_SETRENDERTARGET', 'SVGA3dCmdSetRenderTarget', (), None),
 187     ('SVGA_3D_CMD_SETTEXTURESTATE', 'SVGA3dCmdSetTextureState', (), 'SVGA3dTextureState'),
 188     ('SVGA_3D_CMD_SETMATERIAL', 'SVGA3dCmdSetMaterial', (), None),
 189     ('SVGA_3D_CMD_SETLIGHTDATA', 'SVGA3dCmdSetLightData', (), None),
 190     ('SVGA_3D_CMD_SETLIGHTENABLED', 'SVGA3dCmdSetLightEnabled', (), None),
 191     ('SVGA_3D_CMD_SETVIEWPORT', 'SVGA3dCmdSetViewport', (), None),
 192     ('SVGA_3D_CMD_SETCLIPPLANE', 'SVGA3dCmdSetClipPlane', (), None),
 193     ('SVGA_3D_CMD_CLEAR', 'SVGA3dCmdClear', (), 'SVGA3dRect'),
 194     ('SVGA_3D_CMD_PRESENT', 'SVGA3dCmdPresent', (), 'SVGA3dCopyRect'),
 195     ('SVGA_3D_CMD_SHADER_DEFINE', 'SVGA3dCmdDefineShader', (), None),
 196     ('SVGA_3D_CMD_SHADER_DESTROY', 'SVGA3dCmdDestroyShader', (), None),
 197     ('SVGA_3D_CMD_SET_SHADER', 'SVGA3dCmdSetShader', (), None),
 198     ('SVGA_3D_CMD_SET_SHADER_CONST', 'SVGA3dCmdSetShaderConst', (), None),
 199     ('SVGA_3D_CMD_DRAW_PRIMITIVES', 'SVGA3dCmdDrawPrimitives', (('SVGA3dVertexDecl', 'numVertexDecls'), ('SVGA3dPrimitiveRange', 'numRanges')), 'SVGA3dVertexDivisor'),
 200     ('SVGA_3D_CMD_SETSCISSORRECT', 'SVGA3dCmdSetScissorRect', (), None),
 201     ('SVGA_3D_CMD_BEGIN_QUERY', 'SVGA3dCmdBeginQuery', (), None),
 202     ('SVGA_3D_CMD_END_QUERY', 'SVGA3dCmdEndQuery', (), None),
 203     ('SVGA_3D_CMD_WAIT_FOR_QUERY', 'SVGA3dCmdWaitForQuery', (), None),
 204     #('SVGA_3D_CMD_PRESENT_READBACK', None, (), None),
 205     ('SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN', 'SVGA3dCmdBlitSurfaceToScreen', (), 'SVGASignedRect'),
 206 ]
 207
 208 def dump_cmds():
 209     print r'''
 210 void
 211 svga_dump_commands(const void *commands, uint32_t size)
 212 {
 213    const uint8_t *next = commands;
 214    const uint8_t *last = next + size;
 215
 216    assert(size % sizeof(uint32_t) == 0);
 217
 218    while(next < last) {
 219       const uint32_t cmd_id = *(const uint32_t *)next;
 220
 221       if(SVGA_3D_CMD_BASE <= cmd_id && cmd_id < SVGA_3D_CMD_MAX) {
 222          const SVGA3dCmdHeader *header = (const SVGA3dCmdHeader *)next;
 223          const uint8_t *body = (const uint8_t *)&header[1];
 224
 225          next = (const uint8_t *)body + header->size;
 226          if(next > last)
 227             break;
 228 '''
 229
 230     print '         switch(cmd_id) {'
 231     indexes = 'ijklmn'
 232     for id, header, body, footer in cmds:
 233         print '         case %s:' % id
 234         print '            _debug_printf("\\t%s\\n");' % id
 235         print '            {'
 236         print '               const %s *cmd = (const %s *)body;' % (header, header)
 237         if len(body):
 238             print '               unsigned ' + ', '.join(indexes[:len(body)]) + ';'
 239         print '               dump_%s(cmd);' % header
 240         print '               body = (const uint8_t *)&cmd[1];'
 241         for i in range(len(body)):
 242             struct, count = body[i]
 243             idx = indexes[i]
 244             print '               for(%s = 0; %s < cmd->%s; ++%s) {' % (idx, idx, count, idx)
 245             print '                  dump_%s((const %s *)body);' % (struct, struct)
 246             print '                  body += sizeof(%s);' % struct
 247             print '               }'
 248         if footer is not None:
 249             print '               while(body + sizeof(%s) <= next) {' % footer
 250             print '                  dump_%s((const %s *)body);' % (footer, footer)
 251             print '                  body += sizeof(%s);' % footer
 252             print '               }'
 253         if id == 'SVGA_3D_CMD_SHADER_DEFINE':
 254             print '               sh_svga_dump((const uint32_t *)body, (unsigned)(next - body)/sizeof(uint32_t));'
 255             print '               body = next;'
 256         print '            }'
 257         print '            break;'
 258     print '         default:'
 259     print '            _debug_printf("\\t0x%08x\\n", cmd_id);'
 260     print '            break;'
 261     print '         }'
 262
 263     print r'''
 264          while(body + sizeof(uint32_t) <= next) {
 265             _debug_printf("\t\t0x%08x\n", *(const uint32_t *)body);
 266             body += sizeof(uint32_t);
 267          }
 268          while(body + sizeof(uint32_t) <= next)
 269             _debug_printf("\t\t0x%02x\n", *body++);
 270       }
 271       else if(cmd_id == SVGA_CMD_FENCE) {
 272          _debug_printf("\tSVGA_CMD_FENCE\n");
 273          _debug_printf("\t\t0x%08x\n", ((const uint32_t *)next)[1]);
 274          next += 2*sizeof(uint32_t);
 275       }
 276       else {
 277          _debug_printf("\t0x%08x\n", cmd_id);
 278          next += sizeof(uint32_t);
 279       }
 280    }
 281 }
 282 '''
 283
 284 def main():
 285     print copyright.strip()
 286     print
 287     print '/**'
 288     print ' * @file'
 289     print ' * Dump SVGA commands.'
 290     print ' *'
 291     print ' * Generated automatically from svga3d_reg.h by svga_dump.py.'
 292     print ' */'
 293     print
 294     print '#include "svga_types.h"'
 295     print '#include "svga_shader_dump.h"'
 296     print '#include "svga3d_reg.h"'
 297     print
 298     print '#include "util/u_debug.h"'
 299     print '#include "svga_dump.h"'
 300     print
 301
 302     config = parser.config_t(
 303         include_paths = ['../../../include', '../include'],
 304         compiler = 'gcc',
 305     )
 306
 307     headers = [
 308         'svga_types.h',
 309         'svga3d_reg.h',
 310     ]
 311
 312     decls = parser.parse(headers, config, parser.COMPILATION_MODE.ALL_AT_ONCE)
 313     global_ns = declarations.get_global_namespace(decls)
 314
 315     names = set()
 316     for id, header, body, footer in cmds:
 317         names.add(header)
 318         for struct, count in body:
 319             names.add(struct)
 320         if footer is not None:
 321             names.add(footer)
 322
 323     for class_ in global_ns.classes(lambda decl: decl.name in names):
 324         dump_struct(decls, class_)
 325
 326     dump_cmds()
 327
 328
 329 if __name__ == '__main__':
 330     main()