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 public: 36 ComputeShader(const r600_shader_key& key, int num_samplers); 37 image_size_const_offset()38 unsigned image_size_const_offset() override { return m_image_size_const_offset;} 39 40 private: 41 bool do_scan_instruction(nir_instr *instr) override; 42 int do_allocate_reserved_registers() override; 43 44 bool process_stage_intrinsic(nir_intrinsic_instr *intr) override; 45 void do_get_shader_info(r600_shader *sh_info) override; 46 load_input(UNUSED nir_intrinsic_instr * intr)47 bool load_input(UNUSED nir_intrinsic_instr *intr) override 48 { 49 unreachable("compute shaders have bno inputs"); 50 }; store_output(UNUSED nir_intrinsic_instr * intr)51 bool store_output(UNUSED nir_intrinsic_instr *intr) override 52 { 53 unreachable("compute shaders have no outputs"); 54 }; 55 56 bool read_prop(std::istream& is) override; 57 void do_print_properties(std::ostream& os) const override; 58 59 bool emit_load_from_info_buffer(nir_intrinsic_instr *instr, int offset); 60 bool emit_load_3vec(nir_intrinsic_instr *instr, const std::array<PRegister, 3>& src); 61 62 std::array<PRegister, 3> m_workgroup_id{nullptr}; 63 std::array<PRegister, 3> m_local_invocation_id{nullptr}; 64 65 PRegister m_zero_register{0}; 66 int m_image_size_const_offset{0}; 67 }; 68 69 } // namespace r600 70 71 #endif // COMPUTE_H 72