src/mesa/x86/gen_matypes.c

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * 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 " x "\n" );                                  \
  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 " x "\n" );                                    \
  65    printf( " */\n" );                                                   \
  66    printf( "\n" );                                                      \
  67 } while (0)
  68
  69 #ifdef ASM_OFFSETS
  70
  71 /*
  72  * Format the asm output in a special way that we can manipulate
  73  * after the fact and turn into the final header for the target.
  74  */
  75
  76 #define DEFINE_UL( s, ul )                                              \
  77    __asm__ __volatile__ ( "\n->" s " %0" : : "i" (ul) )
  78
  79 #define DEFINE( s, d )                                                  \
  80    DEFINE_UL( s, d )
  81
  82 #define printf( x )                                                     \
  83    __asm__ __volatile__ ( "\n->" x )
  84
  85 #else
  86
  87 #define DEFINE_UL( s, ul )                                              \
  88    printf( "#define %s\t%lu\n", s, (unsigned long) (ul) );
  89
  90 #define DEFINE( s, d )                                                  \
  91    printf( "#define %s\t0x%" PRIx64 "\n", s, (uint64_t) d );
  92
  93 #endif
  94
  95 #define OFFSET( s, t, m )                                               \
  96    DEFINE_UL( s, offsetof( t, m ) )
  97
  98 #define SIZEOF( s, t )                                                  \
  99    DEFINE_UL( s, sizeof(t) )
 100
 101
 102
 103 int main( int argc, char **argv )
 104 {
 105    printf( "/*\n" );
 106    printf( " * This file is automatically generated from the Mesa internal type\n" );
 107    printf( " * definitions.  Do not edit directly.\n" );
 108    printf( " */\n" );
 109    printf( "\n" );
 110    printf( "#ifndef __ASM_TYPES_H__\n" );
 111    printf( "#define __ASM_TYPES_H__\n" );
 112    printf( "\n" );
 113
 114
 115    /* struct gl_context offsets:
 116     */
 117    OFFSET_HEADER( "struct gl_context" );
 118
 119    printf( "\n" );
 120    OFFSET( "CTX_LIGHT_ENABLED           ", struct gl_context, Light.Enabled );
 121    OFFSET( "CTX_LIGHT_SHADE_MODEL       ", struct gl_context, Light.ShadeModel );
 122    OFFSET( "CTX_LIGHT_COLOR_MAT_FACE    ", struct gl_context, Light.ColorMaterialFace );
 123    OFFSET( "CTX_LIGHT_COLOR_MAT_MODE    ", struct gl_context, Light.ColorMaterialMode );
 124    OFFSET( "CTX_LIGHT_COLOR_MAT_MASK    ", struct gl_context, Light._ColorMaterialBitmask );
 125    OFFSET( "CTX_LIGHT_COLOR_MAT_ENABLED ", struct gl_context, Light.ColorMaterialEnabled );
 126    OFFSET( "CTX_LIGHT_ENABLED_LIST      ", struct gl_context, Light.EnabledList );
 127    OFFSET( "CTX_LIGHT_NEED_VERTS        ", struct gl_context, Light._NeedVertices );
 128    OFFSET( "CTX_LIGHT_BASE_COLOR        ", struct gl_context, Light._BaseColor );
 129
 130
 131    /* struct vertex_buffer offsets:
 132     */
 133    OFFSET_HEADER( "struct vertex_buffer" );
 134
 135    OFFSET( "VB_SIZE                ", struct vertex_buffer, Size );
 136    OFFSET( "VB_COUNT               ", struct vertex_buffer, Count );
 137    printf( "\n" );
 138    OFFSET( "VB_ELTS                ", struct vertex_buffer, Elts );
 139    OFFSET( "VB_OBJ_PTR             ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_POS] );
 140    OFFSET( "VB_EYE_PTR             ", struct vertex_buffer, EyePtr );
 141    OFFSET( "VB_CLIP_PTR            ", struct vertex_buffer, ClipPtr );
 142    OFFSET( "VB_PROJ_CLIP_PTR       ", struct vertex_buffer, NdcPtr );
 143    OFFSET( "VB_CLIP_OR_MASK        ", struct vertex_buffer, ClipOrMask );
 144    OFFSET( "VB_CLIP_MASK           ", struct vertex_buffer, ClipMask );
 145    OFFSET( "VB_NORMAL_PTR          ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_NORMAL] );
 146    OFFSET( "VB_EDGE_FLAG           ", struct vertex_buffer, EdgeFlag );
 147    OFFSET( "VB_TEX0_COORD_PTR      ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_TEX0] );
 148    OFFSET( "VB_TEX1_COORD_PTR      ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_TEX1] );
 149    OFFSET( "VB_TEX2_COORD_PTR      ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_TEX2] );
 150    OFFSET( "VB_TEX3_COORD_PTR      ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_TEX3] );
 151    OFFSET( "VB_INDEX_PTR           ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_COLOR_INDEX] );
 152    OFFSET( "VB_COLOR_PTR           ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_COLOR0] );
 153    OFFSET( "VB_SECONDARY_COLOR_PTR ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_COLOR1] );
 154    OFFSET( "VB_FOG_COORD_PTR       ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_FOG] );
 155    OFFSET( "VB_PRIMITIVE           ", struct vertex_buffer, Primitive );
 156    printf( "\n" );
 157
 158    DEFINE_HEADER( "struct vertex_buffer" );
 159
 160    /* XXX use new labels here someday after vertex proram is done */
 161    DEFINE( "VERT_BIT_OBJ           ", VERT_BIT_POS );
 162    DEFINE( "VERT_BIT_NORM          ", VERT_BIT_NORMAL );
 163    DEFINE( "VERT_BIT_RGBA          ", VERT_BIT_COLOR0 );
 164    DEFINE( "VERT_BIT_SPEC_RGB      ", VERT_BIT_COLOR1 );
 165    DEFINE( "VERT_BIT_FOG_COORD     ", VERT_BIT_FOG );
 166    DEFINE( "VERT_BIT_TEX0          ", VERT_BIT_TEX0 );
 167    DEFINE( "VERT_BIT_TEX1          ", VERT_BIT_TEX1 );
 168    DEFINE( "VERT_BIT_TEX2          ", VERT_BIT_TEX2 );
 169    DEFINE( "VERT_BIT_TEX3          ", VERT_BIT_TEX3 );
 170
 171
 172    /* GLvector4f offsets:
 173     */
 174    OFFSET_HEADER( "GLvector4f" );
 175
 176    OFFSET( "V4F_DATA          ", GLvector4f, data );
 177    OFFSET( "V4F_START         ", GLvector4f, start );
 178    OFFSET( "V4F_COUNT         ", GLvector4f, count );
 179    OFFSET( "V4F_STRIDE        ", GLvector4f, stride );
 180    OFFSET( "V4F_SIZE          ", GLvector4f, size );
 181    OFFSET( "V4F_FLAGS         ", GLvector4f, flags );
 182
 183    DEFINE_HEADER( "GLvector4f" );
 184
 185    DEFINE( "VEC_MALLOC        ", VEC_MALLOC );
 186    DEFINE( "VEC_NOT_WRITEABLE ", VEC_NOT_WRITEABLE );
 187    DEFINE( "VEC_BAD_STRIDE    ", VEC_BAD_STRIDE );
 188    printf( "\n" );
 189    DEFINE( "VEC_SIZE_1        ", VEC_SIZE_1 );
 190    DEFINE( "VEC_SIZE_2        ", VEC_SIZE_2 );
 191    DEFINE( "VEC_SIZE_3        ", VEC_SIZE_3 );
 192    DEFINE( "VEC_SIZE_4        ", VEC_SIZE_4 );
 193
 194
 195    /* GLmatrix offsets:
 196     */
 197    OFFSET_HEADER( "GLmatrix" );
 198
 199    OFFSET( "MATRIX_DATA   ", GLmatrix, m );
 200    OFFSET( "MATRIX_INV    ", GLmatrix, inv );
 201    OFFSET( "MATRIX_FLAGS  ", GLmatrix, flags );
 202    OFFSET( "MATRIX_TYPE   ", GLmatrix, type );
 203
 204
 205    /* struct gl_light offsets:
 206     */
 207    OFFSET_HEADER( "struct gl_light" );
 208
 209    OFFSET( "LIGHT_NEXT              ", struct gl_light, next );
 210    OFFSET( "LIGHT_PREV              ", struct gl_light, prev );
 211    printf( "\n" );
 212    OFFSET( "LIGHT_AMBIENT           ", struct gl_light, Ambient );
 213    OFFSET( "LIGHT_DIFFUSE           ", struct gl_light, Diffuse );
 214    OFFSET( "LIGHT_SPECULAR          ", struct gl_light, Specular );
 215    OFFSET( "LIGHT_EYE_POSITION      ", struct gl_light, EyePosition );
 216    OFFSET( "LIGHT_SPOT_DIRECTION    ", struct gl_light, SpotDirection );
 217    OFFSET( "LIGHT_SPOT_EXPONENT     ", struct gl_light, SpotExponent );
 218    OFFSET( "LIGHT_SPOT_CUTOFF       ", struct gl_light, SpotCutoff );
 219    OFFSET( "LIGHT_COS_CUTOFF        ", struct gl_light, _CosCutoff );
 220    OFFSET( "LIGHT_CONST_ATTEN       ", struct gl_light, ConstantAttenuation );
 221    OFFSET( "LIGHT_LINEAR_ATTEN      ", struct gl_light, LinearAttenuation );
 222    OFFSET( "LIGHT_QUADRATIC_ATTEN   ", struct gl_light, QuadraticAttenuation );
 223    OFFSET( "LIGHT_ENABLED           ", struct gl_light, Enabled );
 224    printf( "\n" );
 225    OFFSET( "LIGHT_FLAGS             ", struct gl_light, _Flags );
 226    printf( "\n" );
 227    OFFSET( "LIGHT_POSITION          ", struct gl_light, _Position );
 228    OFFSET( "LIGHT_VP_INF_NORM       ", struct gl_light, _VP_inf_norm );
 229    OFFSET( "LIGHT_H_INF_NORM        ", struct gl_light, _h_inf_norm );
 230    OFFSET( "LIGHT_NORM_DIRECTION    ", struct gl_light, _NormSpotDirection );
 231    OFFSET( "LIGHT_VP_INF_SPOT_ATTEN ", struct gl_light, _VP_inf_spot_attenuation );
 232    printf( "\n" );
 233    OFFSET( "LIGHT_MAT_AMBIENT       ", struct gl_light, _MatAmbient );
 234    OFFSET( "LIGHT_MAT_DIFFUSE       ", struct gl_light, _MatDiffuse );
 235    OFFSET( "LIGHT_MAT_SPECULAR      ", struct gl_light, _MatSpecular );
 236    printf( "\n" );
 237    SIZEOF( "SIZEOF_GL_LIGHT         ", struct gl_light );
 238
 239    DEFINE_HEADER( "struct gl_light" );
 240
 241    DEFINE( "LIGHT_SPOT              ", LIGHT_SPOT );
 242    DEFINE( "LIGHT_LOCAL_VIEWER      ", LIGHT_LOCAL_VIEWER );
 243    DEFINE( "LIGHT_POSITIONAL        ", LIGHT_POSITIONAL );
 244    printf( "\n" );
 245    DEFINE( "LIGHT_NEED_VERTICES     ", LIGHT_NEED_VERTICES );
 246
 247
 248    /* struct gl_lightmodel offsets:
 249     */
 250    OFFSET_HEADER( "struct gl_lightmodel" );
 251
 252    OFFSET( "LIGHT_MODEL_AMBIENT       ", struct gl_lightmodel, Ambient );
 253    OFFSET( "LIGHT_MODEL_LOCAL_VIEWER  ", struct gl_lightmodel, LocalViewer );
 254    OFFSET( "LIGHT_MODEL_TWO_SIDE      ", struct gl_lightmodel, TwoSide );
 255    OFFSET( "LIGHT_MODEL_COLOR_CONTROL ", struct gl_lightmodel, ColorControl );
 256
 257
 258    printf( "\n" );
 259    printf( "\n" );
 260    printf( "#endif /* __ASM_TYPES_H__ */\n" );
 261
 262    return 0;
 263 }