src/mesa/drivers/dri/radeon/radeon_maos_vbtmp.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  4.1
   4  *
   5  * Copyright (C) 1999-2002  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  *    Keith Whitwell <keith@tungstengraphics.com>
  26  */
  27
  28 #ifndef LOCALVARS
  29 #define LOCALVARS
  30 #endif
  31
  32 #undef TCL_DEBUG
  33 #ifndef TCL_DEBUG
  34 #define TCL_DEBUG 0
  35 #endif
  36
  37 static void TAG(emit)( GLcontext *ctx,
  38                        GLuint start, GLuint end,
  39                        void *dest )
  40 {
  41    LOCALVARS
  42       struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
  43    GLuint (*tc0)[4], (*tc1)[4], (*tc2)[4];
  44    GLfloat (*col)[4], (*spec)[4];
  45    GLfloat (*fog)[4];
  46    GLuint (*norm)[4];
  47    GLuint tc0_stride, tc1_stride, col_stride, spec_stride, fog_stride;
  48    GLuint tc2_stride, norm_stride;
  49    GLuint fill_tex = 0;
  50    GLuint (*coord)[4];
  51    GLuint coord_stride; /* object coordinates */
  52    GLubyte dummy[4];
  53    int i;
  54
  55    union emit_union *v = (union emit_union *)dest;
  56
  57    if (RADEON_DEBUG & DEBUG_VERTS)
  58       fprintf(stderr, "%s\n", __FUNCTION__);
  59
  60    coord = (GLuint (*)[4])VB->ObjPtr->data;
  61    coord_stride = VB->ObjPtr->stride;
  62
  63    if (DO_TEX2) {
  64       if (VB->TexCoordPtr[2]) {
  65          const GLuint t2 = GET_TEXSOURCE(2);
  66          tc2 = (GLuint (*)[4])VB->TexCoordPtr[t2]->data;
  67          tc2_stride = VB->TexCoordPtr[t2]->stride;
  68          if (DO_PTEX && VB->TexCoordPtr[t2]->size < 4) {
  69             fill_tex |= (1<<2);
  70          }
  71       } else {
  72          tc2 = (GLuint (*)[4])&ctx->Current.Attrib[VERT_ATTRIB_TEX2];
  73          tc2_stride = 0;
  74       }
  75    }
  76
  77    if (DO_TEX1) {
  78       if (VB->TexCoordPtr[1]) {
  79          const GLuint t1 = GET_TEXSOURCE(1);
  80          tc1 = (GLuint (*)[4])VB->TexCoordPtr[t1]->data;
  81          tc1_stride = VB->TexCoordPtr[t1]->stride;
  82          if (DO_PTEX && VB->TexCoordPtr[t1]->size < 4) {
  83             fill_tex |= (1<<1);
  84          }
  85       } else {
  86          tc1 = (GLuint (*)[4])&ctx->Current.Attrib[VERT_ATTRIB_TEX1];
  87          tc1_stride = 0;
  88       }
  89    }
  90
  91    if (DO_TEX0) {
  92       if (VB->TexCoordPtr[0]) {
  93          const GLuint t0 = GET_TEXSOURCE(0);
  94          tc0_stride = VB->TexCoordPtr[t0]->stride;
  95          tc0 = (GLuint (*)[4])VB->TexCoordPtr[t0]->data;
  96          if (DO_PTEX && VB->TexCoordPtr[t0]->size < 4) {
  97             fill_tex |= (1<<0);
  98          }
  99       } else {
 100          tc0 = (GLuint (*)[4])&ctx->Current.Attrib[VERT_ATTRIB_TEX0];
 101          tc0_stride = 0;
 102       }
 103
 104    }
 105
 106    if (DO_NORM) {
 107       if (VB->NormalPtr) {
 108          norm_stride = VB->NormalPtr->stride;
 109          norm = (GLuint (*)[4])VB->NormalPtr->data;
 110       } else {
 111          norm_stride = 0;
 112          norm = (GLuint (*)[4])&ctx->Current.Attrib[VERT_ATTRIB_NORMAL];
 113       }
 114    }
 115
 116    if (DO_RGBA) {
 117       if (VB->ColorPtr[0]) {
 118          col = VB->ColorPtr[0]->data;
 119          col_stride = VB->ColorPtr[0]->stride;
 120       } else {
 121          col = (GLfloat (*)[4])ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
 122          col_stride = 0;
 123       }
 124    }
 125
 126    if (DO_SPEC) {
 127       if (VB->SecondaryColorPtr[0]) {
 128          spec = VB->SecondaryColorPtr[0]->data;
 129          spec_stride = VB->SecondaryColorPtr[0]->stride;
 130       } else {
 131          spec = (GLfloat (*)[4])ctx->Current.Attrib[VERT_ATTRIB_COLOR1];
 132          spec_stride = 0;
 133       }
 134    }
 135
 136    if (DO_FOG) {
 137       if (VB->FogCoordPtr) {
 138          fog = VB->FogCoordPtr->data;
 139          fog_stride = VB->FogCoordPtr->stride;
 140       } else {
 141          fog = (GLfloat (*)[4])&dummy; fog[0][0] = 0.0F;
 142          fog_stride = 0;
 143       }
 144    }
 145
 146
 147    if (start) {
 148       coord =  (GLuint (*)[4])((GLubyte *)coord + start * coord_stride);
 149       if (DO_TEX0)
 150          tc0 =  (GLuint (*)[4])((GLubyte *)tc0 + start * tc0_stride);
 151       if (DO_TEX1)
 152          tc1 =  (GLuint (*)[4])((GLubyte *)tc1 + start * tc1_stride);
 153       if (DO_TEX2)
 154          tc2 =  (GLuint (*)[4])((GLubyte *)tc2 + start * tc2_stride);
 155       if (DO_NORM)
 156          norm =  (GLuint (*)[4])((GLubyte *)norm + start * norm_stride);
 157       if (DO_RGBA)
 158          STRIDE_4F(col, start * col_stride);
 159       if (DO_SPEC)
 160          STRIDE_4F(spec, start * spec_stride);
 161       if (DO_FOG)
 162          STRIDE_4F(fog, start * fog_stride);
 163    }
 164
 165
 166    {
 167       for (i=start; i < end; i++) {
 168
 169          v[0].ui = coord[0][0];
 170          v[1].ui = coord[0][1];
 171          v[2].ui = coord[0][2];
 172          if (DO_W) {
 173             v[3].ui = coord[0][3];
 174             v += 4;
 175          }
 176          else
 177             v += 3;
 178          coord =  (GLuint (*)[4])((GLubyte *)coord +  coord_stride);
 179
 180          if (DO_NORM) {
 181             v[0].ui = norm[0][0];
 182             v[1].ui = norm[0][1];
 183             v[2].ui = norm[0][2];
 184             v += 3;
 185             norm =  (GLuint (*)[4])((GLubyte *)norm +  norm_stride);
 186          }
 187          if (DO_RGBA) {
 188             UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.red, col[0][0]);
 189             UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.green, col[0][1]);
 190             UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.blue, col[0][2]);
 191             UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.alpha, col[0][3]);
 192             STRIDE_4F(col, col_stride);
 193             v++;
 194          }
 195          if (DO_SPEC || DO_FOG) {
 196             if (DO_SPEC) {
 197                UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.red, spec[0][0]);
 198                UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.green, spec[0][1]);
 199                UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.blue, spec[0][2]);
 200                STRIDE_4F(spec, spec_stride);
 201             }
 202             if (DO_FOG) {
 203                UNCLAMPED_FLOAT_TO_UBYTE(v[0].rgba.alpha, fog[0][0]);
 204                fog = (GLfloat (*)[4])((GLubyte *)fog + fog_stride);
 205             }
 206             if (TCL_DEBUG) fprintf(stderr, "%x ", v[0].ui);
 207             v++;
 208          }
 209          if (DO_TEX0) {
 210             v[0].ui = tc0[0][0];
 211             v[1].ui = tc0[0][1];
 212             if (TCL_DEBUG) fprintf(stderr, "t0: %.2f %.2f ", v[0].f, v[1].f);
 213             if (DO_PTEX) {
 214                if (fill_tex & (1<<0))
 215                   v[2].f = 1.0;
 216                else
 217                   v[2].ui = tc0[0][3];
 218                if (TCL_DEBUG) fprintf(stderr, "%.2f ", v[2].f);
 219                v += 3;
 220             }
 221             else
 222                v += 2;
 223             tc0 =  (GLuint (*)[4])((GLubyte *)tc0 +  tc0_stride);
 224          }
 225          if (DO_TEX1) {
 226             v[0].ui = tc1[0][0];
 227             v[1].ui = tc1[0][1];
 228             if (TCL_DEBUG) fprintf(stderr, "t1: %.2f %.2f ", v[0].f, v[1].f);
 229             if (DO_PTEX) {
 230                if (fill_tex & (1<<1))
 231                   v[2].f = 1.0;
 232                else
 233                   v[2].ui = tc1[0][3];
 234                if (TCL_DEBUG) fprintf(stderr, "%.2f ", v[2].f);
 235                v += 3;
 236             }
 237             else
 238                v += 2;
 239             tc1 =  (GLuint (*)[4])((GLubyte *)tc1 +  tc1_stride);
 240          }
 241          if (DO_TEX2) {
 242             v[0].ui = tc2[0][0];
 243             v[1].ui = tc2[0][1];
 244             if (DO_PTEX) {
 245                if (fill_tex & (1<<2))
 246                   v[2].f = 1.0;
 247                else
 248                   v[2].ui = tc2[0][3];
 249                v += 3;
 250             }
 251             else
 252                v += 2;
 253             tc2 =  (GLuint (*)[4])((GLubyte *)tc2 +  tc2_stride);
 254          }
 255          if (TCL_DEBUG) fprintf(stderr, "\n");
 256       }
 257    }
 258 }
 259
 260
 261
 262 static void TAG(init)( void )
 263 {
 264    int sz = 3;
 265    if (DO_W) sz++;
 266    if (DO_NORM) sz += 3;
 267    if (DO_RGBA) sz++;
 268    if (DO_SPEC || DO_FOG) sz++;
 269    if (DO_TEX0) sz += 2;
 270    if (DO_TEX0 && DO_PTEX) sz++;
 271    if (DO_TEX1) sz += 2;
 272    if (DO_TEX1 && DO_PTEX) sz++;
 273    if (DO_TEX2) sz += 2;
 274    if (DO_TEX2 && DO_PTEX) sz++;
 275
 276    setup_tab[IDX].emit = TAG(emit);
 277    setup_tab[IDX].vertex_format = IND;
 278    setup_tab[IDX].vertex_size = sz;
 279 }
 280
 281
 282 #undef IND
 283 #undef TAG
 284 #undef IDX