2 * Copyright © 2010 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
29 #include "brw_compiler.h"
30 #include "compiler/nir/nir.h"
33 #include "brw_ir_allocator.h"
35 enum instruction_scheduler_mode
{
37 SCHEDULE_PRE_NON_LIFO
,
42 struct backend_shader
{
45 backend_shader(const struct brw_compiler
*compiler
,
48 const nir_shader
*shader
,
49 struct brw_stage_prog_data
*stage_prog_data
);
52 virtual ~backend_shader();
54 const struct brw_compiler
*compiler
;
55 void *log_data
; /* Passed to compiler->*_log functions */
57 const struct gen_device_info
* const devinfo
;
58 const nir_shader
*nir
;
59 struct brw_stage_prog_data
* const stage_prog_data
;
61 /** ralloc context for temporary data used during compile */
65 * List of either fs_inst or vec4_instruction (inheriting from
66 * backend_instruction)
68 exec_list instructions
;
72 gl_shader_stage stage
;
74 const char *stage_name
;
75 const char *stage_abbrev
;
77 brw::simple_allocator alloc
;
79 virtual void dump_instruction(backend_instruction
*inst
) = 0;
80 virtual void dump_instruction(backend_instruction
*inst
, FILE *file
) = 0;
81 virtual void dump_instructions();
82 virtual void dump_instructions(const char *name
);
86 virtual void invalidate_live_intervals() = 0;
89 bool brw_texture_offset(const nir_tex_instr
*tex
, unsigned src
,
90 uint32_t *offset_bits
);
93 struct backend_shader
;
94 #endif /* __cplusplus */
96 enum brw_reg_type
brw_type_for_base_type(const struct glsl_type
*type
);
97 enum brw_conditional_mod
brw_conditional_for_comparison(unsigned int op
);
98 uint32_t brw_math_function(enum opcode op
);
99 const char *brw_instruction_name(const struct gen_device_info
*devinfo
,
101 bool brw_saturate_immediate(enum brw_reg_type type
, struct brw_reg
*reg
);
102 bool brw_negate_immediate(enum brw_reg_type type
, struct brw_reg
*reg
);
103 bool brw_abs_immediate(enum brw_reg_type type
, struct brw_reg
*reg
);
105 bool opt_predicated_break(struct backend_shader
*s
);
111 /* brw_fs_reg_allocate.cpp */
112 void brw_fs_alloc_reg_sets(struct brw_compiler
*compiler
);
114 /* brw_vec4_reg_allocate.cpp */
115 void brw_vec4_alloc_reg_set(struct brw_compiler
*compiler
);
118 extern const char *const conditional_modifier
[16];
119 extern const char *const pred_ctrl_align16
[16];
121 /* Per-thread scratch space is a power-of-two multiple of 1KB. */
123 brw_get_scratch_size(int size
)
125 return MAX2(1024, util_next_power_of_two(size
));
129 * Scratch data used when compiling a GLSL geometry shader.
131 struct brw_gs_compile
133 struct brw_gs_prog_key key
;
134 struct brw_vue_map input_vue_map
;
136 unsigned control_data_bits_per_vertex
;
137 unsigned control_data_header_size_bits
;
144 #endif /* BRW_SHADER_H */