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  1. /*
  2.  * Mesa 3-D graphics library
  3.  * Version:  6.5.1
  4.  *
  5.  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
  6.  *
  7.  * Permission is hereby granted, free of charge, to any person obtaining a
  8.  * copy of this software and associated documentation files (the "Software"),
  9.  * to deal in the Software without restriction, including without limitation
  10.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11.  * and/or sell copies of the Software, and to permit persons to whom the
  12.  * Software is furnished to do so, subject to the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice shall be included
  15.  * in all copies or substantial portions of the Software.
  16.  *
  17.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20.  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21.  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22.  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23.  *
  24.  * Authors:
  25.  *    Gareth Hughes
  26.  */
  27.  
  28. /*
  29.  * This generates an asm version of mtypes.h (called matypes.h), so that
  30.  * Mesa's x86 assembly code can access the internal structures easily.
  31.  * This will be particularly useful when developing new x86 asm code for
  32.  * Mesa, including lighting, clipping, texture image conversion etc.
  33.  */
  34.  
  35. #include "main/glheader.h"
  36. #include "main/mtypes.h"
  37. #include "tnl/t_context.h"
  38.  
  39.  
  40. #undef offsetof
  41. #define offsetof( type, member ) ((size_t) &((type *)0)->member)
  42.  
  43.  
  44. #define OFFSET_HEADER( x )                                              \
  45. do {                                                                    \
  46.    printf( "\n" );                                                      \
  47.    printf( "\n" );                                                      \
  48.    printf( "/* ====================================================="   \
  49.            "========\n" );                                              \
  50.    printf( " * Offsets for %s\n", x );                                  \
  51.    printf( " */\n" );                                                   \
  52.    printf( "\n" );                                                      \
  53. } while (0)
  54.  
  55. #define DEFINE_HEADER( x )                                              \
  56. do {                                                                    \
  57.    printf( "\n" );                                                      \
  58.    printf( "/*\n" );                                                    \
  59.    printf( " * Flags for %s\n", x );                                    \
  60.    printf( " */\n" );                                                   \
  61.    printf( "\n" );                                                      \
  62. } while (0)
  63.  
  64. #define OFFSET( s, t, m )                                               \
  65.    printf( "#define %s\t%lu\n", s, (unsigned long) offsetof( t, m ) );
  66.  
  67. #define SIZEOF( s, t )                                                  \
  68.    printf( "#define %s\t%lu\n", s, (unsigned long) sizeof(t) );
  69.  
  70. #define DEFINE( s, d )                                                  \
  71.    printf( "#define %s\t0x%x\n", s, d );
  72.  
  73.  
  74.  
  75. int main( int argc, char **argv )
  76. {
  77.    printf( "/*\n" );
  78.    printf( " * This file is automatically generated from the Mesa internal type\n" );
  79.    printf( " * definitions.  Do not edit directly.\n" );
  80.    printf( " */\n" );
  81.    printf( "\n" );
  82.    printf( "#ifndef __ASM_TYPES_H__\n" );
  83.    printf( "#define __ASM_TYPES_H__\n" );
  84.    printf( "\n" );
  85.  
  86.  
  87.    /* struct gl_context offsets:
  88.     */
  89.    OFFSET_HEADER( "struct gl_context" );
  90.  
  91.    OFFSET( "CTX_DRIVER_CTX              ", struct gl_context, DriverCtx );
  92.    printf( "\n" );
  93.    OFFSET( "CTX_LIGHT_ENABLED           ", struct gl_context, Light.Enabled );
  94.    OFFSET( "CTX_LIGHT_SHADE_MODEL       ", struct gl_context, Light.ShadeModel );
  95.    OFFSET( "CTX_LIGHT_COLOR_MAT_FACE    ", struct gl_context, Light.ColorMaterialFace );
  96.    OFFSET( "CTX_LIGHT_COLOR_MAT_MODE    ", struct gl_context, Light.ColorMaterialMode );
  97.    OFFSET( "CTX_LIGHT_COLOR_MAT_MASK    ", struct gl_context, Light.ColorMaterialBitmask );
  98.    OFFSET( "CTX_LIGHT_COLOR_MAT_ENABLED ", struct gl_context, Light.ColorMaterialEnabled );
  99.    OFFSET( "CTX_LIGHT_ENABLED_LIST      ", struct gl_context, Light.EnabledList );
  100.    OFFSET( "CTX_LIGHT_NEED_VERTS        ", struct gl_context, Light._NeedVertices );
  101.    OFFSET( "CTX_LIGHT_FLAGS             ", struct gl_context, Light._Flags );
  102.    OFFSET( "CTX_LIGHT_BASE_COLOR        ", struct gl_context, Light._BaseColor );
  103.  
  104.  
  105.    /* struct vertex_buffer offsets:
  106.     */
  107.    OFFSET_HEADER( "struct vertex_buffer" );
  108.  
  109.    OFFSET( "VB_SIZE                ", struct vertex_buffer, Size );
  110.    OFFSET( "VB_COUNT               ", struct vertex_buffer, Count );
  111.    printf( "\n" );
  112.    OFFSET( "VB_ELTS                ", struct vertex_buffer, Elts );
  113.    OFFSET( "VB_OBJ_PTR             ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_POS] );
  114.    OFFSET( "VB_EYE_PTR             ", struct vertex_buffer, EyePtr );
  115.    OFFSET( "VB_CLIP_PTR            ", struct vertex_buffer, ClipPtr );
  116.    OFFSET( "VB_PROJ_CLIP_PTR       ", struct vertex_buffer, NdcPtr );
  117.    OFFSET( "VB_CLIP_OR_MASK        ", struct vertex_buffer, ClipOrMask );
  118.    OFFSET( "VB_CLIP_MASK           ", struct vertex_buffer, ClipMask );
  119.    OFFSET( "VB_NORMAL_PTR          ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_NORMAL] );
  120.    OFFSET( "VB_EDGE_FLAG           ", struct vertex_buffer, EdgeFlag );
  121.    OFFSET( "VB_TEX0_COORD_PTR      ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_TEX0] );
  122.    OFFSET( "VB_TEX1_COORD_PTR      ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_TEX1] );
  123.    OFFSET( "VB_TEX2_COORD_PTR      ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_TEX2] );
  124.    OFFSET( "VB_TEX3_COORD_PTR      ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_TEX3] );
  125.    OFFSET( "VB_INDEX_PTR           ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_COLOR_INDEX] );
  126.    OFFSET( "VB_COLOR_PTR           ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_COLOR0] );
  127.    OFFSET( "VB_SECONDARY_COLOR_PTR ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_COLOR1] );
  128.    OFFSET( "VB_FOG_COORD_PTR       ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_FOG] );
  129.    OFFSET( "VB_PRIMITIVE           ", struct vertex_buffer, Primitive );
  130.    printf( "\n" );
  131.  
  132.    DEFINE_HEADER( "struct vertex_buffer" );
  133.  
  134.    /* XXX use new labels here someday after vertex proram is done */
  135.    DEFINE( "VERT_BIT_OBJ           ", VERT_BIT_POS );
  136.    DEFINE( "VERT_BIT_NORM          ", VERT_BIT_NORMAL );
  137.    DEFINE( "VERT_BIT_RGBA          ", VERT_BIT_COLOR0 );
  138.    DEFINE( "VERT_BIT_SPEC_RGB      ", VERT_BIT_COLOR1 );
  139.    DEFINE( "VERT_BIT_FOG_COORD     ", VERT_BIT_FOG );
  140.    DEFINE( "VERT_BIT_TEX0          ", VERT_BIT_TEX0 );
  141.    DEFINE( "VERT_BIT_TEX1          ", VERT_BIT_TEX1 );
  142.    DEFINE( "VERT_BIT_TEX2          ", VERT_BIT_TEX2 );
  143.    DEFINE( "VERT_BIT_TEX3          ", VERT_BIT_TEX3 );
  144.  
  145.  
  146.    /* GLvector4f offsets:
  147.     */
  148.    OFFSET_HEADER( "GLvector4f" );
  149.  
  150.    OFFSET( "V4F_DATA          ", GLvector4f, data );
  151.    OFFSET( "V4F_START         ", GLvector4f, start );
  152.    OFFSET( "V4F_COUNT         ", GLvector4f, count );
  153.    OFFSET( "V4F_STRIDE        ", GLvector4f, stride );
  154.    OFFSET( "V4F_SIZE          ", GLvector4f, size );
  155.    OFFSET( "V4F_FLAGS         ", GLvector4f, flags );
  156.  
  157.    DEFINE_HEADER( "GLvector4f" );
  158.  
  159.    DEFINE( "VEC_MALLOC        ", VEC_MALLOC );
  160.    DEFINE( "VEC_NOT_WRITEABLE ", VEC_NOT_WRITEABLE );
  161.    DEFINE( "VEC_BAD_STRIDE    ", VEC_BAD_STRIDE );
  162.    printf( "\n" );
  163.    DEFINE( "VEC_SIZE_1        ", VEC_SIZE_1 );
  164.    DEFINE( "VEC_SIZE_2        ", VEC_SIZE_2 );
  165.    DEFINE( "VEC_SIZE_3        ", VEC_SIZE_3 );
  166.    DEFINE( "VEC_SIZE_4        ", VEC_SIZE_4 );
  167.  
  168.  
  169.    /* GLmatrix offsets:
  170.     */
  171.    OFFSET_HEADER( "GLmatrix" );
  172.  
  173.    OFFSET( "MATRIX_DATA   ", GLmatrix, m );
  174.    OFFSET( "MATRIX_INV    ", GLmatrix, inv );
  175.    OFFSET( "MATRIX_FLAGS  ", GLmatrix, flags );
  176.    OFFSET( "MATRIX_TYPE   ", GLmatrix, type );
  177.  
  178.  
  179.    /* struct gl_light offsets:
  180.     */
  181.    OFFSET_HEADER( "struct gl_light" );
  182.  
  183.    OFFSET( "LIGHT_NEXT              ", struct gl_light, next );
  184.    OFFSET( "LIGHT_PREV              ", struct gl_light, prev );
  185.    printf( "\n" );
  186.    OFFSET( "LIGHT_AMBIENT           ", struct gl_light, Ambient );
  187.    OFFSET( "LIGHT_DIFFUSE           ", struct gl_light, Diffuse );
  188.    OFFSET( "LIGHT_SPECULAR          ", struct gl_light, Specular );
  189.    OFFSET( "LIGHT_EYE_POSITION      ", struct gl_light, EyePosition );
  190.    OFFSET( "LIGHT_SPOT_DIRECTION    ", struct gl_light, SpotDirection );
  191.    OFFSET( "LIGHT_SPOT_EXPONENT     ", struct gl_light, SpotExponent );
  192.    OFFSET( "LIGHT_SPOT_CUTOFF       ", struct gl_light, SpotCutoff );
  193.    OFFSET( "LIGHT_COS_CUTOFF        ", struct gl_light, _CosCutoff );
  194.    OFFSET( "LIGHT_CONST_ATTEN       ", struct gl_light, ConstantAttenuation );
  195.    OFFSET( "LIGHT_LINEAR_ATTEN      ", struct gl_light, LinearAttenuation );
  196.    OFFSET( "LIGHT_QUADRATIC_ATTEN   ", struct gl_light, QuadraticAttenuation );
  197.    OFFSET( "LIGHT_ENABLED           ", struct gl_light, Enabled );
  198.    printf( "\n" );
  199.    OFFSET( "LIGHT_FLAGS             ", struct gl_light, _Flags );
  200.    printf( "\n" );
  201.    OFFSET( "LIGHT_POSITION          ", struct gl_light, _Position );
  202.    OFFSET( "LIGHT_VP_INF_NORM       ", struct gl_light, _VP_inf_norm );
  203.    OFFSET( "LIGHT_H_INF_NORM        ", struct gl_light, _h_inf_norm );
  204.    OFFSET( "LIGHT_NORM_DIRECTION    ", struct gl_light, _NormSpotDirection );
  205.    OFFSET( "LIGHT_VP_INF_SPOT_ATTEN ", struct gl_light, _VP_inf_spot_attenuation );
  206.    printf( "\n" );
  207.    OFFSET( "LIGHT_SPOT_EXP_TABLE    ", struct gl_light, _SpotExpTable );
  208.    OFFSET( "LIGHT_MAT_AMBIENT       ", struct gl_light, _MatAmbient );
  209.    OFFSET( "LIGHT_MAT_DIFFUSE       ", struct gl_light, _MatDiffuse );
  210.    OFFSET( "LIGHT_MAT_SPECULAR      ", struct gl_light, _MatSpecular );
  211.    printf( "\n" );
  212.    SIZEOF( "SIZEOF_GL_LIGHT         ", struct gl_light );
  213.  
  214.    DEFINE_HEADER( "struct gl_light" );
  215.  
  216.    DEFINE( "LIGHT_SPOT              ", LIGHT_SPOT );
  217.    DEFINE( "LIGHT_LOCAL_VIEWER      ", LIGHT_LOCAL_VIEWER );
  218.    DEFINE( "LIGHT_POSITIONAL        ", LIGHT_POSITIONAL );
  219.    printf( "\n" );
  220.    DEFINE( "LIGHT_NEED_VERTICES     ", LIGHT_NEED_VERTICES );
  221.  
  222.  
  223.    /* struct gl_lightmodel offsets:
  224.     */
  225.    OFFSET_HEADER( "struct gl_lightmodel" );
  226.  
  227.    OFFSET( "LIGHT_MODEL_AMBIENT       ", struct gl_lightmodel, Ambient );
  228.    OFFSET( "LIGHT_MODEL_LOCAL_VIEWER  ", struct gl_lightmodel, LocalViewer );
  229.    OFFSET( "LIGHT_MODEL_TWO_SIDE      ", struct gl_lightmodel, TwoSide );
  230.    OFFSET( "LIGHT_MODEL_COLOR_CONTROL ", struct gl_lightmodel, ColorControl );
  231.  
  232.  
  233.    printf( "\n" );
  234.    printf( "\n" );
  235.    printf( "#endif /* __ASM_TYPES_H__ */\n" );
  236.  
  237.    return 0;
  238. }
  239.