src/mesa/x86/gen_matypes.c

   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    /* GLcontext offsets:
  88     */
  89    OFFSET_HEADER( "GLcontext" );
  90
  91    OFFSET( "CTX_DRIVER_CTX              ", GLcontext, DriverCtx );
  92    printf( "\n" );
  93    OFFSET( "CTX_LIGHT_ENABLED           ", GLcontext, Light.Enabled );
  94    OFFSET( "CTX_LIGHT_SHADE_MODEL       ", GLcontext, Light.ShadeModel );
  95    OFFSET( "CTX_LIGHT_COLOR_MAT_FACE    ", GLcontext, Light.ColorMaterialFace );
  96    OFFSET( "CTX_LIGHT_COLOR_MAT_MODE    ", GLcontext, Light.ColorMaterialMode );
  97    OFFSET( "CTX_LIGHT_COLOR_MAT_MASK    ", GLcontext, Light.ColorMaterialBitmask );
  98    OFFSET( "CTX_LIGHT_COLOR_MAT_ENABLED ", GLcontext, Light.ColorMaterialEnabled );
  99    OFFSET( "CTX_LIGHT_ENABLED_LIST      ", GLcontext, Light.EnabledList );
 100    OFFSET( "CTX_LIGHT_NEED_VERTS        ", GLcontext, Light._NeedVertices );
 101    OFFSET( "CTX_LIGHT_FLAGS             ", GLcontext, Light._Flags );
 102    OFFSET( "CTX_LIGHT_BASE_COLOR        ", GLcontext, 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 }