src/gallium/drivers/r600/sfn/sfn_shader_compute.h

   1 /* -*- mesa-c++  -*-
   2  *
   3  * Copyright (c) 2019 Collabora LTD
   4  *
   5  * Author: Gert Wollny <gert.wollny@collabora.com>
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * on the rights to use, copy, modify, merge, publish, distribute, sub
  11  * license, and/or sell copies of the Software, and to permit persons to whom
  12  * the Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the next
  15  * paragraph) shall be included in all copies or substantial portions of the
  16  * Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  21  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  22  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  23  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  24  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27 #ifndef SFN_COMPUTE_SHADER_FROM_NIR_H
  28 #define SFN_COMPUTE_SHADER_FROM_NIR_H
  29
  30 #include "sfn_shader_base.h"
  31 #include "sfn_shaderio.h"
  32 #include <bitset>
  33
  34 namespace r600 {
  35
  36 class ComputeShaderFromNir : public ShaderFromNirProcessor
  37 {
  38 public:
  39    ComputeShaderFromNir(r600_pipe_shader *sh,
  40                         r600_pipe_shader_selector& sel,
  41                         const r600_shader_key &key);
  42
  43    bool scan_sysvalue_access(nir_instr *instr) override;
  44
  45 private:
  46    bool emit_intrinsic_instruction_override(nir_intrinsic_instr* instr) override;
  47
  48    bool allocate_reserved_registers() override;
  49    bool do_process_inputs(nir_variable *input) override;
  50    bool do_process_outputs(nir_variable *output) override;
  51    bool do_emit_load_deref(const nir_variable *in_var, nir_intrinsic_instr* instr) override;
  52    bool do_emit_store_deref(const nir_variable *out_var, nir_intrinsic_instr* instr) override;
  53    void do_finalize() override;
  54
  55    bool emit_load_3vec(nir_intrinsic_instr* instr, const std::array<PValue,3>& src);
  56    bool emit_load_num_work_groups(nir_intrinsic_instr* instr);
  57
  58    int m_reserved_registers;
  59    std::array<PValue,3> m_workgroup_id;
  60    std::array<PValue,3> m_local_invocation_id;
  61 };
  62
  63 }
  64
  65 #endif // SFN_COMPUTE_SHADER_FROM_NIR_H