src/gallium/drivers/r600/sfn/sfn_emittexinstruction.h

   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