3 * Copyright (c) 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 sfn_shader_from_nir_h
28 #define sfn_shader_from_nir_h
31 #include "gallium/drivers/r600/r600_shader.h"
33 #include "compiler/nir/nir.h"
34 #include "compiler/nir_types.h"
36 #include "sfn_instruction_block.h"
37 #include "sfn_instruction_export.h"
38 #include "sfn_alu_defines.h"
39 #include "sfn_valuepool.h"
40 #include "sfn_debug.h"
41 #include "sfn_instruction_cf.h"
42 #include "sfn_emittexinstruction.h"
43 #include "sfn_emitaluinstruction.h"
44 #include "sfn_emitssboinstruction.h"
54 extern SfnLog sfn_log
;
56 class ShaderFromNirProcessor
: public ValuePool
{
58 ShaderFromNirProcessor(pipe_shader_type ptype
, r600_pipe_shader_selector
& sel
,
59 r600_shader
& sh_info
, int scratch_size
);
60 virtual ~ShaderFromNirProcessor();
62 void emit_instruction(Instruction
*ir
);
64 PValue
from_nir_with_fetch_constant(const nir_src
& src
, unsigned component
);
65 GPRVector
*vec_from_nir_with_fetch_constant(const nir_src
& src
, unsigned mask
,
66 const GPRVector::Swizzle
& swizzle
);
68 bool emit_instruction(EAluOp opcode
, PValue dest
,
69 std::vector
<PValue
> src0
,
70 const std::set
<AluModifiers
>& m_flags
);
71 void emit_export_instruction(WriteoutInstruction
*ir
);
73 void split_constants(nir_alu_instr
* instr
);
74 void load_uniform(const nir_alu_src
& src
);
76 void remap_registers();
78 const nir_variable
*get_deref_location(const nir_src
& src
) const;
81 void set_var_address(nir_deref_instr
*instr
);
82 void set_input(unsigned pos
, PValue var
);
83 void set_output(unsigned pos
, PValue var
);
85 void evaluate_spi_sid(r600_shader_io
&io
);
87 r600_shader
& sh_info() {return m_sh_info
;}
89 bool scan_instruction(nir_instr
*instr
);
91 virtual bool scan_sysvalue_access(nir_instr
*instr
) = 0;
93 bool emit_if_start(int if_id
, nir_if
*if_stmt
);
94 bool emit_else_start(int if_id
);
95 bool emit_ifelse_end(int if_id
);
97 bool emit_loop_start(int loop_id
);
98 bool emit_loop_end(int loop_id
);
99 bool emit_jump_instruction(nir_jump_instr
*instr
);
101 const GPRVector
*output_register(unsigned location
) const;
103 bool load_preloaded_value(const nir_dest
& dest
, int chan
, PValue value
,
104 bool as_last
= true);
105 void add_param_output_reg(int loc
, const GPRVector
*gpr
);
106 void inc_atomic_file_count();
107 std::bitset
<8> m_sv_values
;
119 virtual bool allocate_reserved_registers() = 0;
121 bool emit_alu_instruction(nir_instr
*instr
);
122 bool emit_deref_instruction(nir_deref_instr
* instr
);
123 bool emit_intrinsic_instruction(nir_intrinsic_instr
* instr
);
124 virtual bool emit_intrinsic_instruction_override(nir_intrinsic_instr
* instr
);
125 bool emit_tex_instruction(nir_instr
* instr
);
126 bool emit_discard_if(nir_intrinsic_instr
* instr
);
127 bool emit_load_ubo(nir_intrinsic_instr
* instr
);
128 bool emit_ssbo_atomic_add(nir_intrinsic_instr
* instr
);
129 bool load_uniform_indirect(nir_intrinsic_instr
* instr
, PValue addr
, int offest
, int bufid
);
131 /* Code creating functions */
132 bool emit_load_input_deref(const nir_variable
*var
, nir_intrinsic_instr
* instr
);
133 bool emit_load_function_temp(const nir_variable
*var
, nir_intrinsic_instr
*instr
);
134 AluInstruction
*emit_load_literal(const nir_load_const_instr
*literal
, const nir_src
& src
, unsigned writemask
);
136 bool emit_store_deref(nir_intrinsic_instr
* instr
);
138 bool reserve_uniform(nir_intrinsic_instr
* instr
);
139 bool process_uniforms(nir_variable
*uniform
);
140 bool process_inputs(nir_variable
*input
);
141 bool process_outputs(nir_variable
*output
);
143 void add_array_deref(nir_deref_instr
* instr
);
145 void append_block(int nesting_change
);
147 virtual void emit_shader_start();
148 virtual bool emit_deref_instruction_override(nir_deref_instr
* instr
);
149 virtual bool do_process_inputs(nir_variable
*input
) = 0;
150 virtual bool do_process_outputs(nir_variable
*output
) = 0;
151 virtual bool do_emit_load_deref(const nir_variable
*in_var
, nir_intrinsic_instr
* instr
) = 0;
152 virtual bool do_emit_store_deref(const nir_variable
*out_var
, nir_intrinsic_instr
* instr
) = 0;
154 bool emit_store_scratch(nir_intrinsic_instr
* instr
);
155 bool emit_load_scratch(nir_intrinsic_instr
* instr
);
156 virtual void do_finalize() = 0;
159 friend class ShaderFromNir
;
161 std::set
<nir_variable
*> m_arrays
;
163 std::map
<unsigned, PValue
> m_inputs
;
164 std::map
<unsigned, PValue
> m_outputs
;
166 std::map
<unsigned, nir_variable
*> m_var_derefs
;
167 std::map
<const nir_variable
*, nir_variable_mode
> m_var_mode
;
169 std::map
<unsigned, const glsl_type
*> m_uniform_type_map
;
170 std::map
<int, IfElseInstruction
*> m_if_block_start_map
;
171 std::map
<int, LoopBeginInstruction
*> m_loop_begin_block_map
;
173 pipe_shader_type m_processor_type
;
175 std::vector
<InstructionBlock
> m_output
;
176 unsigned m_nesting_depth
;
177 unsigned m_block_number
;
178 InstructionBlock m_export_output
;
179 r600_shader
& m_sh_info
;
181 EmitTexInstruction m_tex_instr
;
182 EmitAluInstruction m_alu_instr
;
183 EmitSSBOInstruction m_ssbo_instr
;
184 OutputRegisterMap m_output_register_map
;
186 IfElseInstruction
*m_pending_else
;
188 int m_next_hwatomic_loc
;
190 r600_pipe_shader_selector
& m_sel
;