3 * Copyright (c) 2018-2019 Collabora LTD
5 * Author: Gert Wollny <gert.wollny@collabora.com>
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:
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
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.
27 #ifndef EMITINSTRUCTION_H
28 #define EMITINSTRUCTION_H
30 #include "compiler/nir/nir.h"
31 #include "sfn_value.h"
32 #include "sfn_instruction_alu.h"
36 class ShaderFromNirProcessor
;
41 EmitInstruction(ShaderFromNirProcessor
& processor
);
42 virtual ~EmitInstruction();
43 bool emit(nir_instr
* instr
);
45 static const std::set
<AluModifiers
> empty
;
46 static const std::set
<AluModifiers
> write
;
47 static const std::set
<AluModifiers
> last_write
;
48 static const std::set
<AluModifiers
> last
;
51 virtual bool do_emit(nir_instr
* instr
) = 0;
53 // forwards from ValuePool
54 PValue
from_nir(const nir_src
& v
, unsigned component
, unsigned swizzled
);
55 PValue
from_nir(const nir_src
& v
, unsigned component
);
56 PValue
from_nir(const nir_alu_src
& v
, unsigned component
);
57 PValue
from_nir(const nir_tex_src
& v
, unsigned component
);
58 PValue
from_nir(const nir_alu_dest
& v
, unsigned component
);
59 PValue
from_nir(const nir_dest
& v
, unsigned component
);
61 const nir_load_const_instr
* get_literal_register(const nir_src
& src
) const;
63 int lookup_register_index(const nir_src
& src
) const;
64 int lookup_register_index(const nir_dest
& dst
);
65 PValue
create_register_from_nir_src(const nir_src
& src
, unsigned comp
);
67 int allocate_temp_register();
69 PValue
get_temp_register();
70 GPRVector
get_temp_vec4();
72 // forwards from ShaderFromNirProcessor
73 void emit_instruction(Instruction
*ir
);
74 bool emit_instruction(EAluOp opcode
, PValue dest
,
75 std::vector
<PValue
> src0
,
76 const std::set
<AluModifiers
>& m_flags
);
78 PValue
from_nir_with_fetch_constant(const nir_src
& src
, unsigned component
);
79 GPRVector
*vec_from_nir_with_fetch_constant(const nir_src
& src
, unsigned mask
,
80 const GPRVector::Swizzle
& swizzle
);
82 void load_uniform(const nir_alu_src
& src
);
83 const nir_variable
*get_deref_location(const nir_src
& v
) const;
89 ShaderFromNirProcessor
& m_proc
;
96 #endif // EMITINSTRUCTION_H