1 /* -*- mesa-c++ -*- 2 * 3 * Copyright (c) 2018 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_vertex_shader_from_nir_h 28 #define sfn_vertex_shader_from_nir_h 29 30 #include "sfn_shader_base.h" 31 #include "sfn_vertexstageexport.h" 32 33 namespace r600 { 34 35 class VertexShaderFromNir : public VertexStage { 36 public: 37 VertexShaderFromNir(r600_pipe_shader *sh, 38 r600_pipe_shader_selector &sel, 39 const r600_shader_key &key, r600_shader *gs_shader, 40 enum chip_class chip_class); 41 42 bool do_emit_load_deref(const nir_variable *in_var, nir_intrinsic_instr* instr) override; 43 bool scan_sysvalue_access(nir_instr *instr) override; 44 primitive_id()45 PValue primitive_id() override {return m_primitive_id;} 46 protected: 47 48 // todo: encapsulate 49 unsigned m_num_clip_dist; 50 ExportInstruction *m_last_param_export; 51 ExportInstruction *m_last_pos_export; 52 r600_pipe_shader *m_pipe_shader; 53 unsigned m_enabled_stream_buffers_mask; 54 const pipe_stream_output_info *m_so_info; 55 void do_finalize() override; 56 57 std::map<unsigned, unsigned> m_param_map; 58 private: 59 bool do_emit_store_deref(const nir_variable *out_var, nir_intrinsic_instr* instr) override; 60 void finalize_exports(); 61 62 void emit_shader_start() override; 63 bool do_process_inputs(nir_variable *input) override; 64 bool do_allocate_reserved_registers() override; 65 bool do_process_outputs(nir_variable *output) override; 66 bool emit_intrinsic_instruction_override(nir_intrinsic_instr* instr) override; 67 bool emit_store_local_shared(nir_intrinsic_instr* instr); 68 69 PValue m_vertex_id; 70 PValue m_instance_id; 71 PValue m_rel_vertex_id; 72 PValue m_primitive_id; 73 std::vector<PGPRValue> m_attribs; 74 r600_shader_key m_key; 75 76 std::unique_ptr<VertexStageExportBase> m_export_processor; 77 unsigned m_max_attrib; 78 }; 79 80 } 81 82 #endif 83