1 /* -*- mesa-c++ -*- 2 * 3 * Copyright (c) 2018-2019 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_EMITTEXINSTRUCTION_H 28 #define SFN_EMITTEXINSTRUCTION_H 29 30 #include "sfn_emitinstruction.h" 31 #include "sfn_instruction_tex.h" 32 33 namespace r600 { 34 35 class EmitTexInstruction : public EmitInstruction 36 { 37 public: 38 EmitTexInstruction(ShaderFromNirProcessor& processor); 39 40 private: 41 struct TexInputs { 42 TexInputs(); 43 const nir_variable *sampler_deref; 44 const nir_variable *texture_deref; 45 GPRVector coord; 46 PValue bias; 47 PValue comperator; 48 PValue lod; 49 GPRVector ddx; 50 GPRVector ddy; 51 nir_src *offset; 52 PValue gather_comp; 53 PValue ms_index; 54 PValue sampler_offset; 55 PValue texture_offset; 56 }; 57 58 59 bool emit_cube_tex(nir_tex_instr* instr, TexInputs& src); 60 bool emit_cube_txf(nir_tex_instr* instr, TexInputs& src); 61 bool emit_cube_txb(nir_tex_instr* instr, TexInputs& src); 62 bool emit_cube_txl(nir_tex_instr* instr, TexInputs& src); 63 bool emit_cube_txd(nir_tex_instr* instr, TexInputs& src); 64 bool emit_cube_lod(nir_tex_instr* instr, TexInputs& src); 65 bool emit_cube_tg4(nir_tex_instr* instr, TexInputs& src); 66 bool emit_cube_prep(const GPRVector& coord, GPRVector& cubed, bool is_array); 67 68 bool emit_tex_tex(nir_tex_instr* instr, TexInputs& src); 69 70 bool emit_tex_txf(nir_tex_instr* instr, TexInputs &src); 71 bool emit_tex_txb(nir_tex_instr* instr, TexInputs& src); 72 bool emit_tex_txd(nir_tex_instr* instr, TexInputs& src); 73 bool emit_tex_txl(nir_tex_instr* instr, TexInputs& src); 74 bool emit_tex_txs(nir_tex_instr* instr, TexInputs& src, 75 const std::array<int, 4> &dest_swz); 76 bool emit_tex_texture_samples(nir_tex_instr* instr, TexInputs& src, 77 const std::array<int, 4> &dest_swz); 78 bool emit_tex_lod(nir_tex_instr* instr, TexInputs& src); 79 bool emit_tex_tg4(nir_tex_instr* instr, TexInputs& src); 80 bool emit_tex_txf_ms(nir_tex_instr* instr, TexInputs& src); 81 bool emit_buf_txf(nir_tex_instr* instr, TexInputs& src); 82 83 bool get_inputs(const nir_tex_instr& instr, TexInputs &src); 84 85 void set_rect_coordinate_flags(nir_tex_instr* instr, TexInstruction* ir) const; 86 87 bool do_emit(nir_instr* instr) override; 88 89 GPRVector make_dest(nir_tex_instr& instr); 90 GPRVector make_dest(nir_tex_instr &instr, const std::array<int, 4> &swizzle); 91 92 void set_offsets(TexInstruction* ir, nir_src *offset); 93 void handle_array_index(const nir_tex_instr& instr, const GPRVector &src, TexInstruction* ir); 94 95 struct SamplerId { 96 int id; 97 bool indirect; 98 }; 99 100 SamplerId get_samplerr_id(int sampler_id, const nir_variable *deref); 101 102 }; 103 104 } 105 106 #endif // SFN_EMITTEXINSTRUCTION_H 107