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
33namespace r600 {
34
35class VertexShaderFromNir : public VertexStage {
36public:
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 scan_sysvalue_access(nir_instr *instr) override;
43
44   PValue primitive_id() override {return m_primitive_id;}
45protected:
46
47   // todo: encapsulate
48   unsigned m_num_clip_dist;
49   ExportInstruction *m_last_param_export;
50   ExportInstruction *m_last_pos_export;
51   r600_pipe_shader *m_pipe_shader;
52   unsigned m_enabled_stream_buffers_mask;
53   const pipe_stream_output_info *m_so_info;
54   void do_finalize() override;
55
56   std::map<unsigned, unsigned> m_param_map;
57
58   bool scan_inputs_read(const nir_shader *sh) override;
59
60private:
61   bool load_input(nir_intrinsic_instr* instr);
62
63   void finalize_exports();
64
65   void emit_shader_start() override;
66   bool do_allocate_reserved_registers() override;
67   bool emit_intrinsic_instruction_override(nir_intrinsic_instr* instr) override;
68   bool emit_store_local_shared(nir_intrinsic_instr* instr);
69
70   PValue m_vertex_id;
71   PValue m_instance_id;
72   PValue m_rel_vertex_id;
73   PValue m_primitive_id;
74   std::vector<PGPRValue> m_attribs;
75   r600_shader_key m_key;
76
77   std::unique_ptr<VertexStageExportBase> m_export_processor;
78   unsigned m_max_attrib;
79};
80
81}
82
83#endif
84