src/freedreno/ir3/ir3_nir.h

   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 #ifndef IR3_NIR_H_
  28 #define IR3_NIR_H_
  29
  30 #include "compiler/nir/nir.h"
  31 #include "compiler/nir/nir_builder.h"
  32 #include "compiler/shader_enums.h"
  33
  34 #include "ir3_shader.h"
  35
  36 bool ir3_nir_apply_trig_workarounds(nir_shader *shader);
  37 bool ir3_nir_lower_imul(nir_shader *shader);
  38 bool ir3_nir_lower_tg4_to_tex(nir_shader *shader);
  39 bool ir3_nir_lower_io_offsets(nir_shader *shader, int gpu_id);
  40 bool ir3_nir_lower_load_barycentric_at_sample(nir_shader *shader);
  41 bool ir3_nir_lower_load_barycentric_at_offset(nir_shader *shader);
  42 bool ir3_nir_move_varying_inputs(nir_shader *shader);
  43 int ir3_nir_coord_offset(nir_ssa_def *ssa);
  44 bool ir3_nir_lower_tex_prefetch(nir_shader *shader);
  45
  46
  47 void ir3_nir_lower_to_explicit_output(nir_shader *shader,
  48                 struct ir3_shader_variant *v, unsigned topology);
  49 void ir3_nir_lower_to_explicit_input(nir_shader *shader, struct ir3_compiler *compiler);
  50 void ir3_nir_lower_tess_ctrl(nir_shader *shader, struct ir3_shader_variant *v, unsigned topology);
  51 void ir3_nir_lower_tess_eval(nir_shader *shader, unsigned topology);
  52 void ir3_nir_lower_gs(nir_shader *shader);
  53
  54 const nir_shader_compiler_options * ir3_get_compiler_options(struct ir3_compiler *compiler);
  55 void ir3_finalize_nir(struct ir3_compiler *compiler, nir_shader *s);
  56 void ir3_nir_post_finalize(struct ir3_compiler *compiler, nir_shader *s);
  57 void ir3_nir_lower_variant(struct ir3_shader_variant *so, nir_shader *s);
  58
  59 void ir3_setup_const_state(nir_shader *nir, struct ir3_shader_variant *v,
  60                 struct ir3_const_state *const_state);
  61 void ir3_nir_analyze_ubo_ranges(nir_shader *nir, struct ir3_shader_variant *v);
  62 bool ir3_nir_lower_ubo_loads(nir_shader *nir, struct ir3_shader_variant *v);
  63
  64 nir_ssa_def *
  65 ir3_nir_try_propagate_bit_shift(nir_builder *b, nir_ssa_def *offset, int32_t shift);
  66
  67 uint32_t ir3_link_geometry_stages(const struct ir3_shader_variant *producer,
  68                 const struct ir3_shader_variant *consumer,
  69                 uint32_t *locs);
  70
  71 static inline nir_intrinsic_instr *
  72 ir3_bindless_resource(nir_src src)
  73 {
  74         if (!src.is_ssa)
  75                 return NULL;
  76
  77         if (src.ssa->parent_instr->type != nir_instr_type_intrinsic)
  78                 return NULL;
  79
  80         nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(src.ssa->parent_instr);
  81         if (intrin->intrinsic != nir_intrinsic_bindless_resource_ir3)
  82                 return NULL;
  83
  84         return intrin;
  85 }
  86
  87 #endif /* IR3_NIR_H_ */