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 28 #ifndef SFN_GEOMETRYSHADERFROMNIR_H 29 #define SFN_GEOMETRYSHADERFROMNIR_H 30 31 #include "sfn_vertexstageexport.h" 32 33 namespace r600 { 34 35 class GeometryShaderFromNir : public VertexStage 36 { 37 public: 38 GeometryShaderFromNir(r600_pipe_shader *sh, r600_pipe_shader_selector& sel, const r600_shader_key& key, enum chip_class chip_class); 39 bool do_emit_load_deref(const nir_variable *in_var, nir_intrinsic_instr* instr) override; 40 bool do_emit_store_deref(const nir_variable *out_var, nir_intrinsic_instr* instr) override; 41 bool scan_sysvalue_access(nir_instr *instr) override; primitive_id()42 PValue primitive_id() override {return m_primitive_id;} 43 44 private: 45 struct ArrayDeref { 46 const nir_variable *var; 47 const nir_src *index; 48 }; 49 50 bool do_process_inputs(nir_variable *input) override; 51 bool do_allocate_reserved_registers() override; 52 bool do_process_outputs(nir_variable *output) override; 53 bool emit_deref_instruction_override(nir_deref_instr* instr) override; 54 bool emit_intrinsic_instruction_override(nir_intrinsic_instr* instr) override; 55 bool emit_load_from_array(nir_intrinsic_instr* instr, const ArrayDeref& array_deref); 56 bool emit_vertex(nir_intrinsic_instr* instr, bool cut); 57 void emit_adj_fix(); 58 59 void do_finalize() override; 60 61 r600_pipe_shader *m_pipe_shader; 62 const pipe_stream_output_info *m_so_info; 63 64 std::array<PValue, 6> m_per_vertex_offsets; 65 PValue m_primitive_id; 66 PValue m_invocation_id; 67 PValue m_export_base; 68 bool m_first_vertex_emitted; 69 70 std::map<unsigned, ArrayDeref> m_in_array_deref; 71 int m_offset; 72 int m_next_input_ring_offset; 73 r600_shader_key m_key; 74 int m_num_clip_dist; 75 unsigned m_cur_ring_output; 76 bool m_gs_tri_strip_adj_fix; 77 78 std::map<int, MemRingOutIntruction *> streamout_data; 79 }; 80 81 } 82 83 #endif // SFN_GEOMETRYSHADERFROMNIR_H 84