static void update_arrays ( GLcontext * ctx ) [static]
Update state dependent on vertex arrays.
Definition at line 68 of file state.c.
Referenced by _mesa_update_state_locked().
{
   GLuint i, min;

   /* find min of _MaxElement values for all enabled arrays */

   /* 0 */
   if (ctx->VertexProgram._Current
       && ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_POS].Enabled) {
      min = ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_POS]._MaxElement;
   }
   else if (ctx->Array.ArrayObj->Vertex.Enabled) {
      min = ctx->Array.ArrayObj->Vertex._MaxElement;
   }
   else {
      /* can't draw anything without vertex positions! */
      min = 0;
   }

   /* 1 */
   if (ctx->VertexProgram._Enabled
       && ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_WEIGHT].Enabled) {
      min = MIN2(min, ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_WEIGHT]._MaxElement);
   }
   /* no conventional vertex weight array */

   /* 2 */
   if (ctx->VertexProgram._Enabled
       && ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_NORMAL].Enabled) {
      min = MIN2(min, ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_NORMAL]._MaxElement);
   }
   else if (ctx->Array.ArrayObj->Normal.Enabled) {
      min = MIN2(min, ctx->Array.ArrayObj->Normal._MaxElement);
   }

   /* 3 */
   if (ctx->VertexProgram._Enabled
       && ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_COLOR0].Enabled) {
      min = MIN2(min, ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_COLOR0]._MaxElement);
   }
   else if (ctx->Array.ArrayObj->Color.Enabled) {
      min = MIN2(min, ctx->Array.ArrayObj->Color._MaxElement);
   }

   /* 4 */
   if (ctx->VertexProgram._Enabled
       && ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_COLOR1].Enabled) {
      min = MIN2(min, ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_COLOR1]._MaxElement);
   }
   else if (ctx->Array.ArrayObj->SecondaryColor.Enabled) {
      min = MIN2(min, ctx->Array.ArrayObj->SecondaryColor._MaxElement);
   }

   /* 5 */
   if (ctx->VertexProgram._Enabled
       && ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_FOG].Enabled) {
      min = MIN2(min, ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_FOG]._MaxElement);
   }
   else if (ctx->Array.ArrayObj->FogCoord.Enabled) {
      min = MIN2(min, ctx->Array.ArrayObj->FogCoord._MaxElement);
   }

   /* 6 */
   if (ctx->VertexProgram._Enabled
       && ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_COLOR_INDEX].Enabled) {
      min = MIN2(min, ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_COLOR_INDEX]._MaxElement);
   }
   else if (ctx->Array.ArrayObj->Index.Enabled) {
      min = MIN2(min, ctx->Array.ArrayObj->Index._MaxElement);
   }


   /* 7 */
   if (ctx->VertexProgram._Enabled
       && ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_EDGEFLAG].Enabled) {
      min = MIN2(min, ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_EDGEFLAG]._MaxElement);
   }

   /* 8..15 */
   for (i = VERT_ATTRIB_TEX0; i <= VERT_ATTRIB_TEX7; i++) {
      if (ctx->VertexProgram._Enabled
          && ctx->Array.ArrayObj->VertexAttrib[i].Enabled) {
         min = MIN2(min, ctx->Array.ArrayObj->VertexAttrib[i]._MaxElement);
      }
      else if (i - VERT_ATTRIB_TEX0 < ctx->Const.MaxTextureCoordUnits
               && ctx->Array.ArrayObj->TexCoord[i - VERT_ATTRIB_TEX0].Enabled) {
         min = MIN2(min, ctx->Array.ArrayObj->TexCoord[i - VERT_ATTRIB_TEX0]._MaxElement);
      }
   }

   /* 16..31 */
   if (ctx->VertexProgram._Current) {
      for (i = VERT_ATTRIB_GENERIC0; i < VERT_ATTRIB_MAX; i++) {
         if (ctx->Array.ArrayObj->VertexAttrib[i].Enabled) {
            min = MIN2(min, ctx->Array.ArrayObj->VertexAttrib[i]._MaxElement);
         }
      }
   }

   if (ctx->Array.ArrayObj->EdgeFlag.Enabled) {
      min = MIN2(min, ctx->Array.ArrayObj->EdgeFlag._MaxElement);
   }

   /* _MaxElement is one past the last legal array element */
   ctx->Array._MaxElement = min;
}
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