#include "brw_shader.h"
#include "brw_ir_fs.h"
+#include "brw_fs_builder.h"
extern "C" {
class fs_live_variables;
}
+static inline fs_reg
+offset(fs_reg reg, const brw::fs_builder& bld, unsigned delta)
+{
+ switch (reg.file) {
+ case BAD_FILE:
+ break;
+ case GRF:
+ case MRF:
+ case HW_REG:
+ case ATTR:
+ return byte_offset(reg,
+ delta * reg.component_size(bld.dispatch_width()));
+ case UNIFORM:
+ reg.reg_offset += delta;
+ break;
+ case IMM:
+ assert(delta == 0);
+ }
+ return reg;
+}
+
/**
* The fragment shader front-end.
*
* Translates either GLSL IR or Mesa IR (for ARB_fragment_program) into FS IR.
*/
-class fs_visitor : public backend_visitor
+class fs_visitor : public backend_shader
{
public:
- const fs_reg reg_null_f;
- const fs_reg reg_null_d;
- const fs_reg reg_null_ud;
-
- fs_visitor(struct brw_context *brw,
- void *mem_ctx,
- const struct brw_wm_prog_key *key,
- struct brw_wm_prog_data *prog_data,
- struct gl_shader_program *shader_prog,
- struct gl_fragment_program *fp,
- unsigned dispatch_width);
-
- fs_visitor(struct brw_context *brw,
+ fs_visitor(const struct brw_compiler *compiler, void *log_data,
void *mem_ctx,
- const struct brw_vs_prog_key *key,
- struct brw_vs_prog_data *prog_data,
+ gl_shader_stage stage,
+ const void *key,
+ struct brw_stage_prog_data *prog_data,
struct gl_shader_program *shader_prog,
- struct gl_vertex_program *cp,
- unsigned dispatch_width);
-
- fs_visitor(struct brw_context *brw,
- void *mem_ctx,
- const struct brw_cs_prog_key *key,
- struct brw_cs_prog_data *prog_data,
- struct gl_shader_program *shader_prog,
- struct gl_compute_program *cp,
- unsigned dispatch_width);
+ struct gl_program *prog,
+ unsigned dispatch_width,
+ int shader_time_index);
~fs_visitor();
- void init();
- fs_reg *variable_storage(ir_variable *var);
fs_reg vgrf(const glsl_type *const type);
- fs_reg vgrf(int num_components);
void import_uniforms(fs_visitor *v);
- void setup_uniform_clipplane_values();
- void compute_clip_distance();
-
- void visit(ir_variable *ir);
- void visit(ir_assignment *ir);
- void visit(ir_dereference_variable *ir);
- void visit(ir_dereference_record *ir);
- void visit(ir_dereference_array *ir);
- void visit(ir_expression *ir);
- void visit(ir_texture *ir);
- void visit(ir_if *ir);
- void visit(ir_constant *ir);
- void visit(ir_swizzle *ir);
- void visit(ir_return *ir);
- void visit(ir_loop *ir);
- void visit(ir_loop_jump *ir);
- void visit(ir_discard *ir);
- void visit(ir_call *ir);
- void visit(ir_function *ir);
- void visit(ir_function_signature *ir);
- void visit(ir_emit_vertex *);
- void visit(ir_end_primitive *);
+ void setup_uniform_clipplane_values(gl_clip_plane *clip_planes);
+ void compute_clip_distance(gl_clip_plane *clip_planes);
uint32_t gather_channel(int orig_chan, uint32_t sampler);
void swizzle_result(ir_texture_opcode op, int dest_components,
fs_reg orig_val, uint32_t sampler);
- fs_inst *emit(fs_inst *inst);
- void emit(exec_list list);
-
- fs_inst *emit(enum opcode opcode);
- fs_inst *emit(enum opcode opcode, const fs_reg &dst);
- fs_inst *emit(enum opcode opcode, const fs_reg &dst, const fs_reg &src0);
- fs_inst *emit(enum opcode opcode, const fs_reg &dst, const fs_reg &src0,
- const fs_reg &src1);
- fs_inst *emit(enum opcode opcode, const fs_reg &dst,
- const fs_reg &src0, const fs_reg &src1, const fs_reg &src2);
- fs_inst *emit(enum opcode opcode, const fs_reg &dst,
- fs_reg src[], int sources);
-
- fs_inst *MOV(const fs_reg &dst, const fs_reg &src);
- fs_inst *NOT(const fs_reg &dst, const fs_reg &src);
- fs_inst *RNDD(const fs_reg &dst, const fs_reg &src);
- fs_inst *RNDE(const fs_reg &dst, const fs_reg &src);
- fs_inst *RNDZ(const fs_reg &dst, const fs_reg &src);
- fs_inst *FRC(const fs_reg &dst, const fs_reg &src);
- fs_inst *ADD(const fs_reg &dst, const fs_reg &src0, const fs_reg &src1);
- fs_inst *MUL(const fs_reg &dst, const fs_reg &src0, const fs_reg &src1);
- fs_inst *MACH(const fs_reg &dst, const fs_reg &src0, const fs_reg &src1);
- fs_inst *MAC(const fs_reg &dst, const fs_reg &src0, const fs_reg &src1);
- fs_inst *SHL(const fs_reg &dst, const fs_reg &src0, const fs_reg &src1);
- fs_inst *SHR(const fs_reg &dst, const fs_reg &src0, const fs_reg &src1);
- fs_inst *ASR(const fs_reg &dst, const fs_reg &src0, const fs_reg &src1);
- fs_inst *AND(const fs_reg &dst, const fs_reg &src0, const fs_reg &src1);
- fs_inst *OR(const fs_reg &dst, const fs_reg &src0, const fs_reg &src1);
- fs_inst *XOR(const fs_reg &dst, const fs_reg &src0, const fs_reg &src1);
- fs_inst *IF(enum brw_predicate predicate);
- fs_inst *IF(const fs_reg &src0, const fs_reg &src1,
- enum brw_conditional_mod condition);
- fs_inst *CMP(fs_reg dst, fs_reg src0, fs_reg src1,
- enum brw_conditional_mod condition);
- fs_inst *LRP(const fs_reg &dst, const fs_reg &a, const fs_reg &y,
- const fs_reg &x);
- fs_inst *DEP_RESOLVE_MOV(int grf);
- fs_inst *BFREV(const fs_reg &dst, const fs_reg &value);
- fs_inst *BFE(const fs_reg &dst, const fs_reg &bits, const fs_reg &offset,
- const fs_reg &value);
- fs_inst *BFI1(const fs_reg &dst, const fs_reg &bits, const fs_reg &offset);
- fs_inst *BFI2(const fs_reg &dst, const fs_reg &bfi1_dst,
- const fs_reg &insert, const fs_reg &base);
- fs_inst *FBH(const fs_reg &dst, const fs_reg &value);
- fs_inst *FBL(const fs_reg &dst, const fs_reg &value);
- fs_inst *CBIT(const fs_reg &dst, const fs_reg &value);
- fs_inst *MAD(const fs_reg &dst, const fs_reg &c, const fs_reg &b,
- const fs_reg &a);
- fs_inst *ADDC(const fs_reg &dst, const fs_reg &src0, const fs_reg &src1);
- fs_inst *SUBB(const fs_reg &dst, const fs_reg &src0, const fs_reg &src1);
- fs_inst *SEL(const fs_reg &dst, const fs_reg &src0, const fs_reg &src1);
-
- int type_size(const struct glsl_type *type);
fs_inst *get_instruction_generating_reg(fs_inst *start,
fs_inst *end,
const fs_reg ®);
- fs_inst *LOAD_PAYLOAD(const fs_reg &dst, fs_reg *src, int sources);
+ void VARYING_PULL_CONSTANT_LOAD(const brw::fs_builder &bld,
+ const fs_reg &dst,
+ const fs_reg &surf_index,
+ const fs_reg &varying_offset,
+ uint32_t const_offset);
+ void DEP_RESOLVE_MOV(const brw::fs_builder &bld, int grf);
- exec_list VARYING_PULL_CONSTANT_LOAD(const fs_reg &dst,
- const fs_reg &surf_index,
- const fs_reg &varying_offset,
- uint32_t const_offset);
-
- bool run_fs();
- bool run_vs();
+ bool run_fs(bool do_rep_send);
+ bool run_vs(gl_clip_plane *clip_planes);
bool run_cs();
void optimize();
void allocate_registers();
void assign_vs_urb_setup();
bool assign_regs(bool allow_spilling);
void assign_regs_trivial();
- void get_used_mrfs(bool *mrf_used);
void setup_payload_interference(struct ra_graph *g, int payload_reg_count,
int first_payload_node);
- void setup_mrf_hack_interference(struct ra_graph *g,
- int first_mrf_hack_node);
int choose_spill_reg(struct ra_graph *g);
void spill_reg(int spill_reg);
void split_virtual_grfs();
bool compact_virtual_grfs();
- void move_uniform_array_access_to_pull_constants();
void assign_constant_locations();
void demote_pull_constants();
void invalidate_live_intervals();
bool opt_register_renaming();
bool register_coalesce();
bool compute_to_mrf();
+ bool eliminate_find_live_channel();
bool dead_code_eliminate();
bool remove_duplicate_mrf_writes();
fs_inst *inst);
void vfail(const char *msg, va_list args);
void fail(const char *msg, ...);
- void no16(const char *msg, ...);
+ void no16(const char *msg);
void lower_uniform_pull_constant_loads();
bool lower_load_payload();
+ bool lower_logical_sends();
+ bool lower_integer_multiplication();
+ bool lower_simd_width();
bool opt_combine_constants();
void emit_dummy_fs();
void compute_sample_position(fs_reg dst, fs_reg int_sample_pos);
fs_reg rescale_texcoord(fs_reg coordinate, int coord_components,
bool is_rect, uint32_t sampler, int texunit);
- fs_inst *emit_texture_gen4(ir_texture_opcode op, fs_reg dst,
- fs_reg coordinate, int coord_components,
- fs_reg shadow_comp,
- fs_reg lod, fs_reg lod2, int grad_components,
- uint32_t sampler);
- fs_inst *emit_texture_gen4_simd16(ir_texture_opcode op, fs_reg dst,
- fs_reg coordinate, int vector_elements,
- fs_reg shadow_c, fs_reg lod,
- uint32_t sampler);
- fs_inst *emit_texture_gen5(ir_texture_opcode op, fs_reg dst,
- fs_reg coordinate, int coord_components,
- fs_reg shadow_comp,
- fs_reg lod, fs_reg lod2, int grad_components,
- fs_reg sample_index, uint32_t sampler,
- bool has_offset);
- fs_inst *emit_texture_gen7(ir_texture_opcode op, fs_reg dst,
- fs_reg coordinate, int coord_components,
- fs_reg shadow_comp,
- fs_reg lod, fs_reg lod2, int grad_components,
- fs_reg sample_index, fs_reg mcs, fs_reg sampler,
- fs_reg offset_value);
void emit_texture(ir_texture_opcode op,
const glsl_type *dest_type,
fs_reg coordinate, int components,
uint32_t sampler,
fs_reg sampler_reg,
int texunit);
- fs_reg emit_mcs_fetch(fs_reg coordinate, int components, fs_reg sampler);
+ fs_reg emit_mcs_fetch(const fs_reg &coordinate, unsigned components,
+ const fs_reg &sampler);
void emit_gen6_gather_wa(uint8_t wa, fs_reg dst);
- void resolve_source_modifiers(fs_reg *src);
- fs_reg fix_math_operand(fs_reg src);
- fs_inst *emit_math(enum opcode op, fs_reg dst, fs_reg src0);
- fs_inst *emit_math(enum opcode op, fs_reg dst, fs_reg src0, fs_reg src1);
- fs_inst *emit_lrp(const fs_reg &dst, const fs_reg &x, const fs_reg &y,
- const fs_reg &a);
- void emit_minmax(enum brw_conditional_mod conditionalmod, const fs_reg &dst,
- const fs_reg &src0, const fs_reg &src1);
+ fs_reg resolve_source_modifiers(const fs_reg &src);
void emit_discard_jump();
- bool try_emit_b2f_of_comparison(ir_expression *ir);
- bool try_emit_saturate(ir_expression *ir);
- bool try_emit_line(ir_expression *ir);
- bool try_emit_mad(ir_expression *ir);
bool try_replace_with_sel();
- bool try_opt_frontfacing_ternary(ir_if *ir);
bool opt_peephole_sel();
bool opt_peephole_predicated_break();
bool opt_saturate_propagation();
bool opt_cmod_propagation();
bool opt_zero_samples();
- void emit_bool_to_cond_code(ir_rvalue *condition);
- void emit_bool_to_cond_code_of_reg(ir_expression *expr, fs_reg op[3]);
- void emit_if_gen6(ir_if *ir);
void emit_unspill(bblock_t *block, fs_inst *inst, fs_reg reg,
uint32_t spill_offset, int count);
void emit_spill(bblock_t *block, fs_inst *inst, fs_reg reg,
uint32_t spill_offset, int count);
- void emit_fragment_program_code();
- void setup_fp_regs();
- fs_reg get_fp_src_reg(const prog_src_register *src);
- fs_reg get_fp_dst_reg(const prog_dst_register *dst);
- void emit_fp_alu1(enum opcode opcode,
- const struct prog_instruction *fpi,
- fs_reg dst, fs_reg src);
- void emit_fp_alu2(enum opcode opcode,
- const struct prog_instruction *fpi,
- fs_reg dst, fs_reg src0, fs_reg src1);
- void emit_fp_scalar_write(const struct prog_instruction *fpi,
- fs_reg dst, fs_reg src);
- void emit_fp_scalar_math(enum opcode opcode,
- const struct prog_instruction *fpi,
- fs_reg dst, fs_reg src);
-
- void emit_fp_minmax(const struct prog_instruction *fpi,
- fs_reg dst, fs_reg src0, fs_reg src1);
-
- void emit_fp_sop(enum brw_conditional_mod conditional_mod,
- const struct prog_instruction *fpi,
- fs_reg dst, fs_reg src0, fs_reg src1, fs_reg one);
-
void emit_nir_code();
void nir_setup_inputs(nir_shader *shader);
void nir_setup_outputs(nir_shader *shader);
void nir_emit_loop(nir_loop *loop);
void nir_emit_block(nir_block *block);
void nir_emit_instr(nir_instr *instr);
- void nir_emit_alu(nir_alu_instr *instr);
- void nir_emit_intrinsic(nir_intrinsic_instr *instr);
- void nir_emit_texture(nir_tex_instr *instr);
- void nir_emit_jump(nir_jump_instr *instr);
+ void nir_emit_alu(const brw::fs_builder &bld, nir_alu_instr *instr);
+ void nir_emit_load_const(const brw::fs_builder &bld,
+ nir_load_const_instr *instr);
+ void nir_emit_undef(const brw::fs_builder &bld,
+ nir_ssa_undef_instr *instr);
+ void nir_emit_intrinsic(const brw::fs_builder &bld,
+ nir_intrinsic_instr *instr);
+ void nir_emit_texture(const brw::fs_builder &bld,
+ nir_tex_instr *instr);
+ void nir_emit_jump(const brw::fs_builder &bld,
+ nir_jump_instr *instr);
fs_reg get_nir_src(nir_src src);
fs_reg get_nir_dest(nir_dest dest);
- void emit_percomp(fs_inst *inst, unsigned wr_mask);
+ fs_reg get_nir_image_deref(const nir_deref_var *deref);
+ void emit_percomp(const brw::fs_builder &bld, const fs_inst &inst,
+ unsigned wr_mask);
bool optimize_frontfacing_ternary(nir_alu_instr *instr,
const fs_reg &result);
- int setup_color_payload(fs_reg *dst, fs_reg color, unsigned components,
- bool use_2nd_half);
void emit_alpha_test();
- fs_inst *emit_single_fb_write(fs_reg color1, fs_reg color2,
- fs_reg src0_alpha, unsigned components,
- bool use_2nd_half = false);
+ fs_inst *emit_single_fb_write(const brw::fs_builder &bld,
+ fs_reg color1, fs_reg color2,
+ fs_reg src0_alpha, unsigned components);
void emit_fb_writes();
void emit_urb_writes();
void emit_cs_terminate();
+ void emit_barrier();
+
void emit_shader_time_begin();
void emit_shader_time_end();
- fs_inst *SHADER_TIME_ADD(enum shader_time_shader_type type, fs_reg value);
+ void SHADER_TIME_ADD(const brw::fs_builder &bld,
+ int shader_time_subindex,
+ fs_reg value);
- void emit_untyped_atomic(unsigned atomic_op, unsigned surf_index,
- fs_reg dst, fs_reg offset, fs_reg src0,
- fs_reg src1);
+ fs_reg get_timestamp(const brw::fs_builder &bld);
- void emit_untyped_surface_read(unsigned surf_index, fs_reg dst,
- fs_reg offset);
-
- void emit_interpolate_expression(ir_expression *ir);
-
- bool try_rewrite_rhs_to_dst(ir_assignment *ir,
- fs_reg dst,
- fs_reg src,
- fs_inst *pre_rhs_inst,
- fs_inst *last_rhs_inst);
- void emit_assignment_writes(fs_reg &l, fs_reg &r,
- const glsl_type *type, bool predicated);
- void resolve_ud_negate(fs_reg *reg);
- void resolve_bool_comparison(ir_rvalue *rvalue, fs_reg *reg);
+ struct brw_reg interp_reg(int location, int channel);
- fs_reg get_timestamp(fs_inst **out_mov);
+ virtual void setup_vec4_uniform_value(unsigned param_offset,
+ const gl_constant_value *values,
+ unsigned n);
- struct brw_reg interp_reg(int location, int channel);
- void setup_uniform_values(ir_variable *ir);
- void setup_builtin_uniform_values(ir_variable *ir);
int implied_mrf_writes(fs_inst *inst);
virtual void dump_instructions();
void dump_instruction(backend_instruction *inst);
void dump_instruction(backend_instruction *inst, FILE *file);
- void visit_atomic_counter_intrinsic(ir_call *ir);
-
const void *const key;
const struct brw_sampler_prog_key_data *key_tex;
/** Number of uniform variable components visited. */
unsigned uniforms;
- /** Total number of direct uniforms we can get from NIR */
- unsigned num_direct_uniforms;
-
/** Byte-offset for the next available spot in the scratch space buffer. */
unsigned last_scratch;
*/
int *push_constant_loc;
- struct hash_table *variable_ht;
fs_reg frag_depth;
fs_reg sample_mask;
fs_reg outputs[VARYING_SLOT_MAX];
/** Either BRW_MAX_GRF or GEN7_MRF_HACK_START */
unsigned max_grf;
- fs_reg *fp_temp_regs;
- fs_reg *fp_input_regs;
-
fs_reg *nir_locals;
- fs_reg *nir_globals;
+ fs_reg *nir_ssa_values;
fs_reg nir_inputs;
fs_reg nir_outputs;
fs_reg *nir_system_values;
- /** @{ debug annotation info */
- const char *current_annotation;
- const void *base_ir;
- /** @} */
-
bool failed;
char *fail_msg;
bool simd16_unsupported;
char *no16_msg;
- /* Result of last visit() method. */
+ /* Result of last visit() method. Still used by emit_texture() */
fs_reg result;
/** Register numbers for thread payload fields. */
- struct {
+ struct thread_payload {
uint8_t source_depth_reg;
uint8_t source_w_reg;
uint8_t aa_dest_stencil_reg;
const unsigned dispatch_width; /**< 8 or 16 */
+ int shader_time_index;
+
unsigned promoted_constants;
+ brw::fs_builder bld;
};
/**
class fs_generator
{
public:
- fs_generator(struct brw_context *brw,
+ fs_generator(const struct brw_compiler *compiler, void *log_data,
void *mem_ctx,
const void *key,
struct brw_stage_prog_data *prog_data,
void generate_fb_write(fs_inst *inst, struct brw_reg payload);
void generate_urb_write(fs_inst *inst, struct brw_reg payload);
void generate_cs_terminate(fs_inst *inst, struct brw_reg payload);
+ void generate_barrier(fs_inst *inst, struct brw_reg src);
void generate_blorp_fb_write(fs_inst *inst);
void generate_linterp(fs_inst *inst, struct brw_reg dst,
struct brw_reg *src);
struct brw_reg msg_data,
unsigned msg_type);
- void generate_set_omask(fs_inst *inst,
- struct brw_reg dst,
- struct brw_reg sample_mask);
-
void generate_set_sample_id(fs_inst *inst,
struct brw_reg dst,
struct brw_reg src0,
bool patch_discard_jumps_to_fb_writes();
- struct brw_context *brw;
+ const struct brw_compiler *compiler;
+ void *log_data; /* Passed to compiler->*_log functions */
+
const struct brw_device_info *devinfo;
struct brw_codegen *p;
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