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 #ifndef SFN_COMPUTE_SHADER_FROM_NIR_H
28 #define SFN_COMPUTE_SHADER_FROM_NIR_H
29 
30 #include "sfn_shader_base.h"
31 #include "sfn_shaderio.h"
32 #include <bitset>
33 
34 namespace r600 {
35 
36 class ComputeShaderFromNir : public ShaderFromNirProcessor
37 {
38 public:
39    ComputeShaderFromNir(r600_pipe_shader *sh,
40                         r600_pipe_shader_selector& sel,
41                         const r600_shader_key &key,
42                         enum chip_class chip_class);
43 
44    bool scan_sysvalue_access(nir_instr *instr) override;
45 
46 private:
47    bool emit_intrinsic_instruction_override(nir_intrinsic_instr* instr) override;
48 
49    bool do_allocate_reserved_registers() override;
50    void do_finalize() override;
51 
52    bool emit_load_3vec(nir_intrinsic_instr* instr, const std::array<PValue,3>& src);
53    bool emit_load_num_workgroups(nir_intrinsic_instr* instr);
54 
55    int m_reserved_registers;
56    std::array<PValue,3> m_workgroup_id;
57    std::array<PValue,3> m_local_invocation_id;
58 };
59 
60 }
61 
62 #endif // SFN_COMPUTE_SHADER_FROM_NIR_H
63