コード例 #1
0
static void
vs_lower_opcode_tgsi_in(struct vs_compile_context *vcc,
                        struct toy_dst dst, int dim, int idx)
{
   struct toy_compiler *tc = &vcc->tc;
   int slot;

   assert(!dim);

   slot = toy_tgsi_find_input(&vcc->tgsi, idx);
   if (slot >= 0) {
      const int first_in_grf = vcc->first_vue_grf +
         (vcc->shader->in.count - vcc->tgsi.num_inputs);
      const int grf = first_in_grf + vcc->tgsi.inputs[slot].semantic_index;
      const struct toy_src src = tsrc(TOY_FILE_GRF, grf, 0);

      tc_MOV(tc, dst, src);
   }
   else {
      /* undeclared input */
      tc_MOV(tc, dst, tsrc_imm_f(0.0f));
   }
}
コード例 #2
0
ファイル: ilo_shader_fs.c プロジェクト: mthuurne/mesa
static void
fs_lower_opcode_tgsi_in(struct fs_compile_context *fcc,
                        struct toy_dst dst, int dim, int idx)
{
   int slot;

   assert(!dim);

   slot = toy_tgsi_find_input(&fcc->tgsi, idx);
   if (slot < 0)
      return;

   switch (fcc->tgsi.inputs[slot].semantic_name) {
   case TGSI_SEMANTIC_POSITION:
      fetch_position(fcc, dst);
      break;
   case TGSI_SEMANTIC_FACE:
      fetch_face(fcc, dst);
      break;
   default:
      fetch_attr(fcc, dst, slot);
      break;
   }
}
コード例 #3
0
ファイル: ilo_shader_gs.c プロジェクト: Distrotech/Mesa
static void
gs_lower_opcode_tgsi_in(struct gs_compile_context *gcc,
                        struct toy_dst dst, int dim, int idx)
{
   struct toy_compiler *tc = &gcc->tc;
   struct toy_src attr;
   int slot, reg = -1, subreg;

   slot = toy_tgsi_find_input(&gcc->tgsi, idx);
   if (slot >= 0) {
      int i;

      for (i = 0; i < gcc->variant->u.gs.num_inputs; i++) {
         if (gcc->variant->u.gs.semantic_names[i] ==
               gcc->tgsi.inputs[slot].semantic_name &&
               gcc->variant->u.gs.semantic_indices[i] ==
               gcc->tgsi.inputs[slot].semantic_index) {
            reg = i / 2;
            subreg = (i % 2) * 4;
            break;
         }
      }
   }

   if (reg < 0) {
      tc_MOV(tc, dst, tsrc_imm_f(0.0f));
      return;
   }

   /* fix vertex ordering for GEN6_3DPRIM_TRISTRIP_REVERSE */
   if (gcc->in_vue_count == 3 && dim < 2) {
      struct toy_inst *inst;

      /* get PrimType */
      inst = tc_AND(tc, tdst_d(gcc->vars.tmp),
            tsrc_offset(gcc->payload.header, 0, 2), tsrc_imm_d(0x1f));
      inst->exec_size = GEN6_EXECSIZE_1;
      inst->src[0] = tsrc_rect(inst->src[0], TOY_RECT_010);
      inst->src[1] = tsrc_rect(inst->src[1], TOY_RECT_010);

      inst = tc_CMP(tc, tdst_null(), tsrc_from(tdst_d(gcc->vars.tmp)),
            tsrc_imm_d(GEN6_3DPRIM_TRISTRIP_REVERSE), GEN6_COND_NZ);
      inst->src[0] = tsrc_rect(inst->src[0], TOY_RECT_010);

      attr = tsrc_offset(gcc->payload.vues[dim], reg, subreg);
      inst = tc_MOV(tc, dst, attr);
      inst->pred_ctrl = GEN6_PREDCTRL_NORMAL;

      /* swap IN[0] and IN[1] for GEN6_3DPRIM_TRISTRIP_REVERSE */
      dim = !dim;

      attr = tsrc_offset(gcc->payload.vues[dim], reg, subreg);
      inst = tc_MOV(tc, dst, attr);
      inst->pred_ctrl = GEN6_PREDCTRL_NORMAL;
      inst->pred_inv = true;
   }
   else {
      attr = tsrc_offset(gcc->payload.vues[dim], reg, subreg);
      tc_MOV(tc, dst, attr);
   }


}