Exemplos de vbo_try_prim_conversion em C++ (Cpp)

Exemplo n.º 1

/**
 * For a list of prims, try merging prims that can just be extensions of the
 * previous prim.
 */
static void
merge_prims(struct gl_context *ctx,
            struct _mesa_prim *prim_list,
            GLuint *prim_count)
{
   GLuint i;
   struct _mesa_prim *prev_prim = prim_list;

   for (i = 1; i < *prim_count; i++) {
      struct _mesa_prim *this_prim = prim_list + i;

      vbo_try_prim_conversion(this_prim);

      if (vbo_can_merge_prims(prev_prim, this_prim)) {
         /* We've found a prim that just extend the previous one.  Tack it
          * onto the previous one, and let this primitive struct get dropped.
          */
         vbo_merge_prims(prev_prim, this_prim);
         continue;
      }

      /* If any previous primitives have been dropped, then we need to copy
       * this later one into the next available slot.
       */
      prev_prim++;
      if (prev_prim != this_prim)
         *prev_prim = *this_prim;
   }

   *prim_count = prev_prim - prim_list + 1;
}

Exemplo n.º 2

Arquivo: vbo_exec_api.c Projeto: Kalamatee/mesa

/**
 * Try to merge / concatenate the two most recent VBO primitives.
 */
static void
try_vbo_merge(struct vbo_exec_context *exec)
{
   struct _mesa_prim *cur =  &exec->vtx.prim[exec->vtx.prim_count - 1];

   assert(exec->vtx.prim_count >= 1);

   vbo_try_prim_conversion(cur);

   if (exec->vtx.prim_count >= 2) {
      struct _mesa_prim *prev = &exec->vtx.prim[exec->vtx.prim_count - 2];
      assert(prev == cur - 1);

      if (vbo_can_merge_prims(prev, cur)) {
         assert(cur->begin);
         assert(cur->end);
         assert(prev->begin);
         assert(prev->end);
         vbo_merge_prims(prev, cur);
         exec->vtx.prim_count--;  /* drop the last primitive */
      }
   }
}