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 #include "compiler/shader_enums.h"
  28
  29 struct nir_shader;
  30 struct ac_nir_compiler_options;
  31
  32 struct ac_shader_info {
  33         bool loads_push_constants;
  34         uint32_t desc_set_used_mask;
  35         bool needs_multiview_view_index;
  36         bool uses_invocation_id;
  37         bool uses_prim_id;
  38         struct {
  39                 uint8_t input_usage_mask[VERT_ATTRIB_MAX];
  40                 bool has_vertex_buffers; /* needs vertex buffers and base/start */
  41                 bool needs_draw_id;
  42                 bool needs_instance_id;
  43         } vs;
  44         struct {
  45                 bool force_persample;
  46                 bool needs_sample_positions;
  47                 bool uses_input_attachments;
  48                 bool writes_memory;
  49                 bool writes_z;
  50                 bool writes_stencil;
  51                 bool writes_sample_mask;
  52         } ps;
  53         struct {
  54                 bool uses_grid_size;
  55                 bool uses_block_id[3];
  56                 bool uses_thread_id[3];
  57                 bool uses_local_invocation_idx;
  58         } cs;
  59 };
  60
  61 /* A NIR pass to gather all the info needed to optimise the allocation patterns
  62  * for the RADV user sgprs
  63  */
  64 void
  65 ac_nir_shader_info_pass(const struct nir_shader *nir,
  66                         const struct ac_nir_compiler_options *options,
  67                         struct ac_shader_info *info);
  68
  69 #endif