src/gallium/auxiliary/draw/draw_vertex.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 VMware, Inc.
   4  * 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
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 /*
  29  * Functions for specifying the post-transformation vertex layout.
  30  *
  31  * Author:
  32  *    Brian Paul
  33  *    Keith Whitwell
  34  */
  35
  36
  37 #include "draw/draw_private.h"
  38 #include "draw/draw_vertex.h"
  39
  40
  41 /**
  42  * Compute the size of a vertex, in dwords/floats, to update the
  43  * vinfo->size field.
  44  */
  45 void
  46 draw_compute_vertex_size(struct vertex_info *vinfo)
  47 {
  48    uint i;
  49
  50    vinfo->size = 0;
  51    for (i = 0; i < vinfo->num_attribs; i++)
  52       vinfo->size += draw_translate_vinfo_size(vinfo->attrib[i].emit);
  53
  54    assert(vinfo->size % 4 == 0);
  55    /* in dwords */
  56    vinfo->size /= 4;
  57 }
  58
  59
  60 void
  61 draw_dump_emitted_vertex(const struct vertex_info *vinfo, const uint8_t *data)
  62 {
  63    unsigned i;
  64
  65    for (i = 0; i < vinfo->num_attribs; i++) {
  66       switch (vinfo->attrib[i].emit) {
  67       case EMIT_OMIT:
  68          debug_printf("EMIT_OMIT:");
  69          break;
  70       case EMIT_1F:
  71          debug_printf("EMIT_1F:\t");
  72          debug_printf("%f ", *(float *)data); data += sizeof(float);
  73          break;
  74       case EMIT_1F_PSIZE:
  75          debug_printf("EMIT_1F_PSIZE:\t");
  76          debug_printf("%f ", *(float *)data); data += sizeof(float);
  77          break;
  78       case EMIT_2F:
  79          debug_printf("EMIT_2F:\t");
  80          debug_printf("%f ", *(float *)data); data += sizeof(float);
  81          debug_printf("%f ", *(float *)data); data += sizeof(float);
  82          break;
  83       case EMIT_3F:
  84          debug_printf("EMIT_3F:\t");
  85          debug_printf("%f ", *(float *)data); data += sizeof(float);
  86          debug_printf("%f ", *(float *)data); data += sizeof(float);
  87          debug_printf("%f ", *(float *)data); data += sizeof(float);
  88          data += sizeof(float);
  89          break;
  90       case EMIT_4F:
  91          debug_printf("EMIT_4F:\t");
  92          debug_printf("%f ", *(float *)data); data += sizeof(float);
  93          debug_printf("%f ", *(float *)data); data += sizeof(float);
  94          debug_printf("%f ", *(float *)data); data += sizeof(float);
  95          debug_printf("%f ", *(float *)data); data += sizeof(float);
  96          break;
  97       case EMIT_4UB:
  98          debug_printf("EMIT_4UB:\t");
  99          debug_printf("%u ", *data++);
 100          debug_printf("%u ", *data++);
 101          debug_printf("%u ", *data++);
 102          debug_printf("%u ", *data++);
 103          break;
 104       case EMIT_4UB_BGRA:
 105          debug_printf("EMIT_4UB_BGRA:\t");
 106          debug_printf("%u ", *data++);
 107          debug_printf("%u ", *data++);
 108          debug_printf("%u ", *data++);
 109          debug_printf("%u ", *data++);
 110          break;
 111       default:
 112          assert(0);
 113       }
 114       debug_printf("\n");
 115    }
 116    debug_printf("\n");
 117 }