Home | History | Annotate | Download | only in i965
      1 /*
      2  * Copyright  2014 Intel Corporation
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8  * and/or sell copies of the Software, and to permit persons to whom the
      9  * Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     21  * DEALINGS IN THE SOFTWARE.
     22  */
     23 
     24 #include "brw_context.h"
     25 #include "brw_state.h"
     26 #include "brw_defines.h"
     27 #include "intel_batchbuffer.h"
     28 
     29 static void
     30 upload_te_state(struct brw_context *brw)
     31 {
     32    /* BRW_NEW_TESS_PROGRAMS */
     33    bool active = brw->tess_eval_program;
     34 
     35    const struct brw_tes_prog_data *tes_prog_data =
     36       brw_tes_prog_data(brw->tes.base.prog_data);
     37 
     38    if (active) {
     39       BEGIN_BATCH(4);
     40       OUT_BATCH(_3DSTATE_TE << 16 | (4 - 2));
     41       OUT_BATCH((tes_prog_data->partitioning << GEN7_TE_PARTITIONING_SHIFT) |
     42                 (tes_prog_data->output_topology << GEN7_TE_OUTPUT_TOPOLOGY_SHIFT) |
     43                 (tes_prog_data->domain << GEN7_TE_DOMAIN_SHIFT) |
     44                 GEN7_TE_ENABLE);
     45       OUT_BATCH_F(63.0);
     46       OUT_BATCH_F(64.0);
     47       ADVANCE_BATCH();
     48    } else {
     49       BEGIN_BATCH(4);
     50       OUT_BATCH(_3DSTATE_TE << 16 | (4 - 2));
     51       OUT_BATCH(0);
     52       OUT_BATCH_F(0);
     53       OUT_BATCH_F(0);
     54       ADVANCE_BATCH();
     55    }
     56 }
     57 
     58 const struct brw_tracked_state gen7_te_state = {
     59    .dirty = {
     60       .mesa  = 0,
     61       .brw   = BRW_NEW_BLORP |
     62                BRW_NEW_CONTEXT |
     63                BRW_NEW_TES_PROG_DATA |
     64                BRW_NEW_TESS_PROGRAMS,
     65    },
     66    .emit = upload_te_state,
     67 };
     68