| /* |
| * Copyright © 2010 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| */ |
| |
| #ifndef BRW_SHADER_H |
| #define BRW_SHADER_H |
| |
| #include <stdint.h> |
| #include "brw_ir.h" |
| #include "brw_compiler.h" |
| #include "compiler/nir/nir.h" |
| |
| struct cfg_t; |
| |
| #ifdef __cplusplus |
| #include "brw_ir_allocator.h" |
| |
| enum instruction_scheduler_mode { |
| SCHEDULE_PRE, |
| SCHEDULE_PRE_NON_LIFO, |
| SCHEDULE_PRE_LIFO, |
| SCHEDULE_POST, |
| }; |
| |
| struct backend_shader { |
| protected: |
| |
| backend_shader(const struct brw_compiler *compiler, |
| void *log_data, |
| void *mem_ctx, |
| const nir_shader *shader, |
| struct brw_stage_prog_data *stage_prog_data); |
| |
| public: |
| virtual ~backend_shader(); |
| |
| const struct brw_compiler *compiler; |
| void *log_data; /* Passed to compiler->*_log functions */ |
| |
| const struct gen_device_info * const devinfo; |
| const nir_shader *nir; |
| struct brw_stage_prog_data * const stage_prog_data; |
| |
| /** ralloc context for temporary data used during compile */ |
| void *mem_ctx; |
| |
| /** |
| * List of either fs_inst or vec4_instruction (inheriting from |
| * backend_instruction) |
| */ |
| exec_list instructions; |
| |
| cfg_t *cfg; |
| |
| gl_shader_stage stage; |
| bool debug_enabled; |
| const char *stage_name; |
| const char *stage_abbrev; |
| |
| brw::simple_allocator alloc; |
| |
| virtual void dump_instruction(backend_instruction *inst) = 0; |
| virtual void dump_instruction(backend_instruction *inst, FILE *file) = 0; |
| virtual void dump_instructions(); |
| virtual void dump_instructions(const char *name); |
| |
| void calculate_cfg(); |
| |
| virtual void invalidate_live_intervals() = 0; |
| }; |
| |
| bool brw_texture_offset(const nir_tex_instr *tex, unsigned src, |
| uint32_t *offset_bits); |
| |
| #else |
| struct backend_shader; |
| #endif /* __cplusplus */ |
| |
| enum brw_reg_type brw_type_for_base_type(const struct glsl_type *type); |
| enum brw_conditional_mod brw_conditional_for_comparison(unsigned int op); |
| uint32_t brw_math_function(enum opcode op); |
| const char *brw_instruction_name(const struct gen_device_info *devinfo, |
| enum opcode op); |
| bool brw_saturate_immediate(enum brw_reg_type type, struct brw_reg *reg); |
| bool brw_negate_immediate(enum brw_reg_type type, struct brw_reg *reg); |
| bool brw_abs_immediate(enum brw_reg_type type, struct brw_reg *reg); |
| |
| bool opt_predicated_break(struct backend_shader *s); |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* brw_fs_reg_allocate.cpp */ |
| void brw_fs_alloc_reg_sets(struct brw_compiler *compiler); |
| |
| /* brw_vec4_reg_allocate.cpp */ |
| void brw_vec4_alloc_reg_set(struct brw_compiler *compiler); |
| |
| /* brw_disasm.c */ |
| extern const char *const conditional_modifier[16]; |
| extern const char *const pred_ctrl_align16[16]; |
| |
| /* Per-thread scratch space is a power-of-two multiple of 1KB. */ |
| static inline int |
| brw_get_scratch_size(int size) |
| { |
| return MAX2(1024, util_next_power_of_two(size)); |
| } |
| |
| /** |
| * Scratch data used when compiling a GLSL geometry shader. |
| */ |
| struct brw_gs_compile |
| { |
| struct brw_gs_prog_key key; |
| struct brw_vue_map input_vue_map; |
| |
| unsigned control_data_bits_per_vertex; |
| unsigned control_data_header_size_bits; |
| }; |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* BRW_SHADER_H */ |