#include "brw_shader.h"
#include "brw_ir_fs.h"
#include "brw_fs_builder.h"
+#include "brw_fs_live_variables.h"
+#include "brw_ir_performance.h"
#include "compiler/nir/nir.h"
struct bblock_t;
struct acp_entry;
}
+class fs_visitor;
+
namespace brw {
- class fs_live_variables;
+ /**
+ * Register pressure analysis of a shader. Estimates how many registers
+ * are live at any point of the program in GRF units.
+ */
+ struct register_pressure {
+ register_pressure(const fs_visitor *v);
+ ~register_pressure();
+
+ analysis_dependency_class
+ dependency_class() const
+ {
+ return (DEPENDENCY_INSTRUCTION_IDENTITY |
+ DEPENDENCY_INSTRUCTION_DATA_FLOW |
+ DEPENDENCY_VARIABLES);
+ }
+
+ bool
+ validate(const fs_visitor *) const
+ {
+ /* FINISHME */
+ return true;
+ }
+
+ unsigned *regs_live_at_ip;
+ };
}
struct brw_gs_compile;
bool run_tcs();
bool run_tes();
bool run_gs();
- bool run_cs(unsigned min_dispatch_width);
+ bool run_cs(bool allow_spilling);
void optimize();
- void allocate_registers(unsigned min_dispatch_width, bool allow_spilling);
+ void allocate_registers(bool allow_spilling);
void setup_fs_payload_gen4();
void setup_fs_payload_gen6();
void setup_vs_payload();
void setup_cs_payload();
bool fixup_sends_duplicate_payload();
void fixup_3src_null_dest();
+ bool fixup_nomask_control_flow();
void assign_curb_setup();
void assign_urb_setup();
void convert_attr_sources_to_hw_regs(fs_inst *inst);
bool assign_regs(bool allow_spilling, bool spill_all);
void assign_regs_trivial();
void calculate_payload_ranges(int payload_node_count,
- int *payload_last_use_ip);
+ int *payload_last_use_ip) const;
void split_virtual_grfs();
bool compact_virtual_grfs();
void assign_constant_locations();
bool get_pull_locs(const fs_reg &src, unsigned *out_surf_index,
unsigned *out_pull_index);
void lower_constant_loads();
- void invalidate_live_intervals();
- void calculate_live_intervals();
- void calculate_register_pressure();
+ virtual void invalidate_analysis(brw::analysis_dependency_class c);
void validate();
bool opt_algebraic();
bool opt_redundant_discard_jumps();
bool opt_cse();
- bool opt_cse_local(bblock_t *block, int &ip);
+ bool opt_cse_local(const brw::fs_live_variables &live, bblock_t *block, int &ip);
+
bool opt_copy_propagation();
bool try_copy_propagate(fs_inst *inst, int arg, acp_entry *entry);
bool try_constant_propagate(fs_inst *inst, acp_entry *entry);
bool opt_drop_redundant_mov_to_flags();
bool opt_register_renaming();
bool opt_bank_conflicts();
- unsigned bank_conflict_cycles(const fs_inst *inst) const;
bool register_coalesce();
bool compute_to_mrf();
bool eliminate_find_live_channel();
bool remove_duplicate_mrf_writes();
bool remove_extra_rounding_modes();
- bool opt_sampler_eot();
- bool virtual_grf_interferes(int a, int b);
void schedule_instructions(instruction_scheduler_mode mode);
void insert_gen4_send_dependency_workarounds();
void insert_gen4_pre_send_dependency_workarounds(bblock_t *block,
bool lower_simd_width();
bool lower_barycentrics();
bool lower_scoreboard();
+ bool lower_sub_sat();
bool opt_combine_constants();
void emit_dummy_fs();
fs_reg interp_reg(int location, int channel);
- virtual void dump_instructions();
- virtual void dump_instructions(const char *name);
- void dump_instruction(backend_instruction *inst);
- void dump_instruction(backend_instruction *inst, FILE *file);
+ virtual void dump_instructions() const;
+ virtual void dump_instructions(const char *name) const;
+ void dump_instruction(const backend_instruction *inst) const;
+ void dump_instruction(const backend_instruction *inst, FILE *file) const;
const brw_base_prog_key *const key;
const struct brw_sampler_prog_key_data *key_tex;
const struct brw_vue_map *input_vue_map;
- int *virtual_grf_start;
- int *virtual_grf_end;
- brw::fs_live_variables *live_intervals;
+ int *param_size;
- int *regs_live_at_ip;
+ BRW_ANALYSIS(live_analysis, brw::fs_live_variables,
+ backend_shader *) live_analysis;
+ BRW_ANALYSIS(regpressure_analysis, brw::register_pressure,
+ fs_visitor *) regpressure_analysis;
+ BRW_ANALYSIS(performance_analysis, brw::performance,
+ fs_visitor *) performance_analysis;
/** Number of uniform variable components visited. */
unsigned uniforms;
int *push_constant_loc;
fs_reg subgroup_id;
+ fs_reg group_size[3];
fs_reg scratch_base;
fs_reg frag_depth;
fs_reg frag_stencil;
void lower_mul_dword_inst(fs_inst *inst, bblock_t *block);
void lower_mul_qword_inst(fs_inst *inst, bblock_t *block);
void lower_mulh_inst(fs_inst *inst, bblock_t *block);
+
+ unsigned workgroup_size() const;
};
+/**
+ * Return the flag register used in fragment shaders to keep track of live
+ * samples. On Gen7+ we use f1.0-f1.1 to allow discard jumps in SIMD32
+ * dispatch mode, while earlier generations are constrained to f0.1, which
+ * limits the dispatch width to SIMD16 for fragment shaders that use discard.
+ */
+static inline unsigned
+sample_mask_flag_subreg(const fs_visitor *shader)
+{
+ assert(shader->stage == MESA_SHADER_FRAGMENT);
+ return shader->devinfo->gen >= 7 ? 2 : 1;
+}
+
/**
* The fragment shader code generator.
*
fs_generator(const struct brw_compiler *compiler, void *log_data,
void *mem_ctx,
struct brw_stage_prog_data *prog_data,
- struct shader_stats shader_stats,
bool runtime_check_aads_emit,
gl_shader_stage stage);
~fs_generator();
void enable_debug(const char *shader_name);
int generate_code(const cfg_t *cfg, int dispatch_width,
+ struct shader_stats shader_stats,
+ const brw::performance &perf,
struct brw_compile_stats *stats);
+ void add_const_data(void *data, unsigned size);
const unsigned *get_assembly();
private:
unsigned dispatch_width; /**< 8, 16 or 32 */
exec_list discard_halt_patches;
- struct shader_stats shader_stats;
bool runtime_check_aads_emit;
bool debug_flag;
const char *shader_name;
return fs_reg();
const fs_reg tmp = bld.vgrf(BRW_REGISTER_TYPE_F, 2);
- const brw::fs_builder hbld = bld.exec_all().group(16, 0);
+ const brw::fs_builder hbld = bld.exec_all().group(8, 0);
const unsigned m = bld.dispatch_width() / hbld.dispatch_width();
fs_reg *const components = new fs_reg[2 * m];
for (unsigned c = 0; c < 2; c++) {
for (unsigned g = 0; g < m; g++)
- components[c * m + g] = offset(brw_vec8_grf(regs[g], 0), hbld, c);
+ components[c * m + g] = offset(brw_vec8_grf(regs[g / 2], 0),
+ hbld, c + 2 * (g % 2));
}
hbld.LOAD_PAYLOAD(tmp, components, 2 * m, 0);
uint32_t brw_fb_write_msg_control(const fs_inst *inst,
const struct brw_wm_prog_data *prog_data);
+void brw_compute_urb_setup_index(struct brw_wm_prog_data *wm_prog_data);
#endif /* BRW_FS_H */
projects / mesa.git / blobdiff