src/amd/common/ac_shader_info.h

   1 /*
   2  * Copyright © 2017 Red Hat
   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 DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #ifndef AC_SHADER_INFO_H
  25 #define AC_SHADER_INFO_H
  26
  27 struct nir_shader;
  28 struct ac_nir_compiler_options;
  29
  30 struct ac_shader_info {
  31         bool loads_push_constants;
  32         uint32_t desc_set_used_mask;
  33         bool needs_multiview_view_index;
  34         bool uses_invocation_id;
  35         bool uses_prim_id;
  36         struct {
  37                 bool has_vertex_buffers; /* needs vertex buffers and base/start */
  38                 bool needs_draw_id;
  39                 bool needs_instance_id;
  40         } vs;
  41         struct {
  42                 bool force_persample;
  43                 bool needs_sample_positions;
  44                 bool uses_input_attachments;
  45         } ps;
  46         struct {
  47                 bool uses_grid_size;
  48                 bool uses_block_id[3];
  49                 bool uses_thread_id[3];
  50                 bool uses_local_invocation_idx;
  51         } cs;
  52         struct {
  53                 bool reads_tess_factors;
  54         } tes;
  55 };
  56
  57 /* A NIR pass to gather all the info needed to optimise the allocation patterns
  58  * for the RADV user sgprs
  59  */
  60 void
  61 ac_nir_shader_info_pass(const struct nir_shader *nir,
  62                         const struct ac_nir_compiler_options *options,
  63                         struct ac_shader_info *info);
  64
  65 #endif