1 /* -*- mesa-c++ -*- 2 * 3 * Copyright (c) 2022 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 COMPUTE_H 28 #define COMPUTE_H 29 30 #include "sfn_shader.h" 31 32 namespace r600 { 33 34 class ComputeShader : public Shader 35 { 36 public: 37 ComputeShader(const r600_shader_key& key); 38 39 private: 40 bool do_scan_instruction(nir_instr *instr) override; 41 int do_allocate_reserved_registers() override; 42 43 bool process_stage_intrinsic(nir_intrinsic_instr *intr) override; 44 void do_get_shader_info(r600_shader *sh_info) override; 45 load_input(UNUSED nir_intrinsic_instr * intr)46 bool load_input(UNUSED nir_intrinsic_instr *intr) override { 47 unreachable("compute shaders have bno inputs"); 48 }; store_output(UNUSED nir_intrinsic_instr * intr)49 bool store_output(UNUSED nir_intrinsic_instr *intr) override { 50 unreachable("compute shaders have no outputs"); 51 }; 52 53 bool read_prop(std::istream& is) override; 54 void do_print_properties(std::ostream& os) const override; 55 56 bool emit_load_num_workgroups(nir_intrinsic_instr* instr); 57 bool emit_load_3vec(nir_intrinsic_instr* instr, const std::array<PRegister,3>& src); 58 59 std::array<PRegister,3> m_workgroup_id{nullptr}; 60 std::array<PRegister,3> m_local_invocation_id{nullptr}; 61 }; 62 63 } 64 65 #endif // COMPUTE_H 66