src/gallium/drivers/freedreno/ir3/ir3_compiler.c

   1 /*
   2  * Copyright (C) 2015 Rob Clark <robclark@freedesktop.org>
   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 FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  *
  23  * Authors:
  24  *    Rob Clark <robclark@freedesktop.org>
  25  */
  26
  27 #include "util/ralloc.h"
  28
  29 #include "ir3_compiler.h"
  30
  31 struct ir3_compiler * ir3_compiler_create(struct fd_device *dev, uint32_t gpu_id)
  32 {
  33         struct ir3_compiler *compiler = rzalloc(NULL, struct ir3_compiler);
  34
  35         compiler->dev = dev;
  36         compiler->gpu_id = gpu_id;
  37         compiler->set = ir3_ra_alloc_reg_set(compiler);
  38
  39         if (compiler->gpu_id >= 400) {
  40                 /* need special handling for "flat" */
  41                 compiler->flat_bypass = true;
  42                 compiler->levels_add_one = false;
  43                 compiler->unminify_coords = false;
  44                 compiler->txf_ms_with_isaml = false;
  45                 compiler->array_index_add_half = true;
  46         } else {
  47                 /* no special handling for "flat" */
  48                 compiler->flat_bypass = false;
  49                 compiler->levels_add_one = true;
  50                 compiler->unminify_coords = true;
  51                 compiler->txf_ms_with_isaml = true;
  52                 compiler->array_index_add_half = false;
  53         }
  54
  55         return compiler;
  56 }