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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 #ifndef __STDC_FORMAT_MACROS
     36 #define __STDC_FORMAT_MACROS
     37 #endif
     38 #include <inttypes.h>
     39 
     40 #include "main/glheader.h"
     41 #include "main/mtypes.h"
     42 #include "tnl/t_context.h"
     43 
     44 
     45 #undef offsetof
     46 #define offsetof( type, member ) ((size_t) &((type *)0)->member)
     47 
     48 
     49 #define OFFSET_HEADER( x )						\
     50 do {									\
     51    printf( "\n" );							\
     52    printf( "\n" );							\
     53    printf( "/* ====================================================="	\
     54 	   "========\n" );						\
     55    printf( " * Offsets for %s\n", x );					\
     56    printf( " */\n" );							\
     57    printf( "\n" );							\
     58 } while (0)
     59 
     60 #define DEFINE_HEADER( x )						\
     61 do {									\
     62    printf( "\n" );							\
     63    printf( "/*\n" );							\
     64    printf( " * Flags for %s\n", x );					\
     65    printf( " */\n" );							\
     66    printf( "\n" );							\
     67 } while (0)
     68 
     69 #define OFFSET( s, t, m )						\
     70    printf( "#define %s\t%lu\n", s, (unsigned long) offsetof( t, m ) );
     71 
     72 #define SIZEOF( s, t )							\
     73    printf( "#define %s\t%lu\n", s, (unsigned long) sizeof(t) );
     74 
     75 #define DEFINE( s, d )							\
     76    printf( "#define %s\t0x%" PRIx64 "\n", s, (uint64_t) d );
     77 
     78 
     79 
     80 int main( int argc, char **argv )
     81 {
     82    printf( "/*\n" );
     83    printf( " * This file is automatically generated from the Mesa internal type\n" );
     84    printf( " * definitions.  Do not edit directly.\n" );
     85    printf( " */\n" );
     86    printf( "\n" );
     87    printf( "#ifndef __ASM_TYPES_H__\n" );
     88    printf( "#define __ASM_TYPES_H__\n" );
     89    printf( "\n" );
     90 
     91 
     92    /* struct gl_context offsets:
     93     */
     94    OFFSET_HEADER( "struct gl_context" );
     95 
     96    OFFSET( "CTX_DRIVER_CTX              ", struct gl_context, DriverCtx );
     97    printf( "\n" );
     98    OFFSET( "CTX_LIGHT_ENABLED           ", struct gl_context, Light.Enabled );
     99    OFFSET( "CTX_LIGHT_SHADE_MODEL       ", struct gl_context, Light.ShadeModel );
    100    OFFSET( "CTX_LIGHT_COLOR_MAT_FACE    ", struct gl_context, Light.ColorMaterialFace );
    101    OFFSET( "CTX_LIGHT_COLOR_MAT_MODE    ", struct gl_context, Light.ColorMaterialMode );
    102    OFFSET( "CTX_LIGHT_COLOR_MAT_MASK    ", struct gl_context, Light._ColorMaterialBitmask );
    103    OFFSET( "CTX_LIGHT_COLOR_MAT_ENABLED ", struct gl_context, Light.ColorMaterialEnabled );
    104    OFFSET( "CTX_LIGHT_ENABLED_LIST      ", struct gl_context, Light.EnabledList );
    105    OFFSET( "CTX_LIGHT_NEED_VERTS        ", struct gl_context, Light._NeedVertices );
    106    OFFSET( "CTX_LIGHT_BASE_COLOR        ", struct gl_context, Light._BaseColor );
    107 
    108 
    109    /* struct vertex_buffer offsets:
    110     */
    111    OFFSET_HEADER( "struct vertex_buffer" );
    112 
    113    OFFSET( "VB_SIZE                ", struct vertex_buffer, Size );
    114    OFFSET( "VB_COUNT               ", struct vertex_buffer, Count );
    115    printf( "\n" );
    116    OFFSET( "VB_ELTS                ", struct vertex_buffer, Elts );
    117    OFFSET( "VB_OBJ_PTR             ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_POS] );
    118    OFFSET( "VB_EYE_PTR             ", struct vertex_buffer, EyePtr );
    119    OFFSET( "VB_CLIP_PTR            ", struct vertex_buffer, ClipPtr );
    120    OFFSET( "VB_PROJ_CLIP_PTR       ", struct vertex_buffer, NdcPtr );
    121    OFFSET( "VB_CLIP_OR_MASK        ", struct vertex_buffer, ClipOrMask );
    122    OFFSET( "VB_CLIP_MASK           ", struct vertex_buffer, ClipMask );
    123    OFFSET( "VB_NORMAL_PTR          ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_NORMAL] );
    124    OFFSET( "VB_EDGE_FLAG           ", struct vertex_buffer, EdgeFlag );
    125    OFFSET( "VB_TEX0_COORD_PTR      ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_TEX0] );
    126    OFFSET( "VB_TEX1_COORD_PTR      ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_TEX1] );
    127    OFFSET( "VB_TEX2_COORD_PTR      ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_TEX2] );
    128    OFFSET( "VB_TEX3_COORD_PTR      ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_TEX3] );
    129    OFFSET( "VB_INDEX_PTR           ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_COLOR_INDEX] );
    130    OFFSET( "VB_COLOR_PTR           ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_COLOR0] );
    131    OFFSET( "VB_SECONDARY_COLOR_PTR ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_COLOR1] );
    132    OFFSET( "VB_FOG_COORD_PTR       ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_FOG] );
    133    OFFSET( "VB_PRIMITIVE           ", struct vertex_buffer, Primitive );
    134    printf( "\n" );
    135 
    136    DEFINE_HEADER( "struct vertex_buffer" );
    137 
    138    /* XXX use new labels here someday after vertex proram is done */
    139    DEFINE( "VERT_BIT_OBJ           ", VERT_BIT_POS );
    140    DEFINE( "VERT_BIT_NORM          ", VERT_BIT_NORMAL );
    141    DEFINE( "VERT_BIT_RGBA          ", VERT_BIT_COLOR0 );
    142    DEFINE( "VERT_BIT_SPEC_RGB      ", VERT_BIT_COLOR1 );
    143    DEFINE( "VERT_BIT_FOG_COORD     ", VERT_BIT_FOG );
    144    DEFINE( "VERT_BIT_TEX0          ", VERT_BIT_TEX0 );
    145    DEFINE( "VERT_BIT_TEX1          ", VERT_BIT_TEX1 );
    146    DEFINE( "VERT_BIT_TEX2          ", VERT_BIT_TEX2 );
    147    DEFINE( "VERT_BIT_TEX3          ", VERT_BIT_TEX3 );
    148 
    149 
    150    /* GLvector4f offsets:
    151     */
    152    OFFSET_HEADER( "GLvector4f" );
    153 
    154    OFFSET( "V4F_DATA          ", GLvector4f, data );
    155    OFFSET( "V4F_START         ", GLvector4f, start );
    156    OFFSET( "V4F_COUNT         ", GLvector4f, count );
    157    OFFSET( "V4F_STRIDE        ", GLvector4f, stride );
    158    OFFSET( "V4F_SIZE          ", GLvector4f, size );
    159    OFFSET( "V4F_FLAGS         ", GLvector4f, flags );
    160 
    161    DEFINE_HEADER( "GLvector4f" );
    162 
    163    DEFINE( "VEC_MALLOC        ", VEC_MALLOC );
    164    DEFINE( "VEC_NOT_WRITEABLE ", VEC_NOT_WRITEABLE );
    165    DEFINE( "VEC_BAD_STRIDE    ", VEC_BAD_STRIDE );
    166    printf( "\n" );
    167    DEFINE( "VEC_SIZE_1        ", VEC_SIZE_1 );
    168    DEFINE( "VEC_SIZE_2        ", VEC_SIZE_2 );
    169    DEFINE( "VEC_SIZE_3        ", VEC_SIZE_3 );
    170    DEFINE( "VEC_SIZE_4        ", VEC_SIZE_4 );
    171 
    172 
    173    /* GLmatrix offsets:
    174     */
    175    OFFSET_HEADER( "GLmatrix" );
    176 
    177    OFFSET( "MATRIX_DATA   ", GLmatrix, m );
    178    OFFSET( "MATRIX_INV    ", GLmatrix, inv );
    179    OFFSET( "MATRIX_FLAGS  ", GLmatrix, flags );
    180    OFFSET( "MATRIX_TYPE   ", GLmatrix, type );
    181 
    182 
    183    /* struct gl_light offsets:
    184     */
    185    OFFSET_HEADER( "struct gl_light" );
    186 
    187    OFFSET( "LIGHT_NEXT              ", struct gl_light, next );
    188    OFFSET( "LIGHT_PREV              ", struct gl_light, prev );
    189    printf( "\n" );
    190    OFFSET( "LIGHT_AMBIENT           ", struct gl_light, Ambient );
    191    OFFSET( "LIGHT_DIFFUSE           ", struct gl_light, Diffuse );
    192    OFFSET( "LIGHT_SPECULAR          ", struct gl_light, Specular );
    193    OFFSET( "LIGHT_EYE_POSITION      ", struct gl_light, EyePosition );
    194    OFFSET( "LIGHT_SPOT_DIRECTION    ", struct gl_light, SpotDirection );
    195    OFFSET( "LIGHT_SPOT_EXPONENT     ", struct gl_light, SpotExponent );
    196    OFFSET( "LIGHT_SPOT_CUTOFF       ", struct gl_light, SpotCutoff );
    197    OFFSET( "LIGHT_COS_CUTOFF        ", struct gl_light, _CosCutoff );
    198    OFFSET( "LIGHT_CONST_ATTEN       ", struct gl_light, ConstantAttenuation );
    199    OFFSET( "LIGHT_LINEAR_ATTEN      ", struct gl_light, LinearAttenuation );
    200    OFFSET( "LIGHT_QUADRATIC_ATTEN   ", struct gl_light, QuadraticAttenuation );
    201    OFFSET( "LIGHT_ENABLED           ", struct gl_light, Enabled );
    202    printf( "\n" );
    203    OFFSET( "LIGHT_FLAGS             ", struct gl_light, _Flags );
    204    printf( "\n" );
    205    OFFSET( "LIGHT_POSITION          ", struct gl_light, _Position );
    206    OFFSET( "LIGHT_VP_INF_NORM       ", struct gl_light, _VP_inf_norm );
    207    OFFSET( "LIGHT_H_INF_NORM        ", struct gl_light, _h_inf_norm );
    208    OFFSET( "LIGHT_NORM_DIRECTION    ", struct gl_light, _NormSpotDirection );
    209    OFFSET( "LIGHT_VP_INF_SPOT_ATTEN ", struct gl_light, _VP_inf_spot_attenuation );
    210    printf( "\n" );
    211    OFFSET( "LIGHT_MAT_AMBIENT       ", struct gl_light, _MatAmbient );
    212    OFFSET( "LIGHT_MAT_DIFFUSE       ", struct gl_light, _MatDiffuse );
    213    OFFSET( "LIGHT_MAT_SPECULAR      ", struct gl_light, _MatSpecular );
    214    printf( "\n" );
    215    SIZEOF( "SIZEOF_GL_LIGHT         ", struct gl_light );
    216 
    217    DEFINE_HEADER( "struct gl_light" );
    218 
    219    DEFINE( "LIGHT_SPOT              ", LIGHT_SPOT );
    220    DEFINE( "LIGHT_LOCAL_VIEWER      ", LIGHT_LOCAL_VIEWER );
    221    DEFINE( "LIGHT_POSITIONAL        ", LIGHT_POSITIONAL );
    222    printf( "\n" );
    223    DEFINE( "LIGHT_NEED_VERTICES     ", LIGHT_NEED_VERTICES );
    224 
    225 
    226    /* struct gl_lightmodel offsets:
    227     */
    228    OFFSET_HEADER( "struct gl_lightmodel" );
    229 
    230    OFFSET( "LIGHT_MODEL_AMBIENT       ", struct gl_lightmodel, Ambient );
    231    OFFSET( "LIGHT_MODEL_LOCAL_VIEWER  ", struct gl_lightmodel, LocalViewer );
    232    OFFSET( "LIGHT_MODEL_TWO_SIDE      ", struct gl_lightmodel, TwoSide );
    233    OFFSET( "LIGHT_MODEL_COLOR_CONTROL ", struct gl_lightmodel, ColorControl );
    234 
    235 
    236    printf( "\n" );
    237    printf( "\n" );
    238    printf( "#endif /* __ASM_TYPES_H__ */\n" );
    239 
    240    return 0;
    241 }
    242