intel/fs: Drop all of the 64-bit varying code
[mesa.git] / src / intel / compiler / brw_fs.h
index 00861ce5dad772465d6132626873d943350ee2de..1dde4c9c7d2c37bea376bbeeb2d55ca7c0b68c40 100644 (file)
@@ -25,7 +25,8 @@
  *
  */
 
-#pragma once
+#ifndef BRW_FS_H
+#define BRW_FS_H
 
 #include "brw_shader.h"
 #include "brw_ir_fs.h"
@@ -49,6 +50,13 @@ offset(const fs_reg &reg, const brw::fs_builder &bld, unsigned delta)
    return offset(reg, bld.dispatch_width(), delta);
 }
 
+#define UBO_START ((1 << 16) - 4)
+
+struct shader_stats {
+   const char *scheduler_mode;
+   unsigned promoted_constants;
+};
+
 /**
  * The fragment shader front-end.
  *
@@ -59,7 +67,7 @@ class fs_visitor : public backend_shader
 public:
    fs_visitor(const struct brw_compiler *compiler, void *log_data,
               void *mem_ctx,
-              const void *key,
+              const brw_base_prog_key *key,
               struct brw_stage_prog_data *prog_data,
               struct gl_program *prog,
               const nir_shader *shader,
@@ -77,12 +85,6 @@ public:
 
    fs_reg vgrf(const glsl_type *const type);
    void import_uniforms(fs_visitor *v);
-   void setup_uniform_clipplane_values(gl_clip_plane *clip_planes);
-   void compute_clip_distance(gl_clip_plane *clip_planes);
-
-   fs_inst *get_instruction_generating_reg(fs_inst *start,
-                                          fs_inst *end,
-                                          const fs_reg &reg);
 
    void VARYING_PULL_CONSTANT_LOAD(const brw::fs_builder &bld,
                                    const fs_reg &dst,
@@ -92,38 +94,36 @@ public:
    void DEP_RESOLVE_MOV(const brw::fs_builder &bld, int grf);
 
    bool run_fs(bool allow_spilling, bool do_rep_send);
-   bool run_vs(gl_clip_plane *clip_planes);
-   bool run_tcs_single_patch();
+   bool run_vs();
+   bool run_tcs();
    bool run_tes();
    bool run_gs();
-   bool run_cs();
+   bool run_cs(unsigned min_dispatch_width);
    void optimize();
-   void allocate_registers(bool allow_spilling);
+   void allocate_registers(unsigned min_dispatch_width, bool allow_spilling);
    void setup_fs_payload_gen4();
    void setup_fs_payload_gen6();
    void setup_vs_payload();
    void setup_gs_payload();
    void setup_cs_payload();
+   bool fixup_sends_duplicate_payload();
    void fixup_3src_null_dest();
    void assign_curb_setup();
-   void calculate_urb_setup();
    void assign_urb_setup();
    void convert_attr_sources_to_hw_regs(fs_inst *inst);
    void assign_vs_urb_setup();
-   void assign_tcs_single_patch_urb_setup();
+   void assign_tcs_urb_setup();
    void assign_tes_urb_setup();
    void assign_gs_urb_setup();
    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);
-   void setup_payload_interference(struct ra_graph *g, int payload_reg_count,
-                                   int first_payload_node);
-   int choose_spill_reg(struct ra_graph *g);
-   void spill_reg(int spill_reg);
    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();
@@ -140,11 +140,14 @@ public:
                                    exec_list *acp);
    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 dead_code_eliminate();
    bool remove_duplicate_mrf_writes();
+   bool remove_extra_rounding_modes();
 
    bool opt_sampler_eot();
    bool virtual_grf_interferes(int a, int b);
@@ -160,7 +163,7 @@ public:
    void lower_uniform_pull_constant_loads();
    bool lower_load_payload();
    bool lower_pack();
-   bool lower_d2x();
+   bool lower_regioning();
    bool lower_logical_sends();
    bool lower_integer_multiplication();
    bool lower_minmax();
@@ -174,21 +177,26 @@ public:
    fs_reg *emit_samplepos_setup();
    fs_reg *emit_sampleid_setup();
    fs_reg *emit_samplemaskin_setup();
-   fs_reg *emit_vs_system_value(int location);
    void emit_interpolation_setup_gen4();
    void emit_interpolation_setup_gen6();
    void compute_sample_position(fs_reg dst, fs_reg int_sample_pos);
    fs_reg emit_mcs_fetch(const fs_reg &coordinate, unsigned components,
-                         const fs_reg &sampler);
+                         const fs_reg &texture,
+                         const fs_reg &texture_handle);
    void emit_gen6_gather_wa(uint8_t wa, fs_reg dst);
    fs_reg resolve_source_modifiers(const fs_reg &src);
    void emit_discard_jump();
+   void emit_fsign(const class brw::fs_builder &, const nir_alu_instr *instr,
+                   fs_reg result, fs_reg *op, unsigned fsign_src);
    bool opt_peephole_sel();
+   bool opt_peephole_csel();
    bool opt_peephole_predicated_break();
    bool opt_saturate_propagation();
    bool opt_cmod_propagation();
    bool opt_zero_samples();
 
+   void set_tcs_invocation_id();
+
    void emit_nir_code();
    void nir_setup_outputs();
    void nir_setup_uniforms();
@@ -199,7 +207,10 @@ public:
    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(const brw::fs_builder &bld, nir_alu_instr *instr);
+   void nir_emit_alu(const brw::fs_builder &bld, nir_alu_instr *instr,
+                     bool need_dest);
+   bool try_emit_b2fi_of_inot(const brw::fs_builder &bld, fs_reg result,
+                              nir_alu_instr *instr);
    void nir_emit_load_const(const brw::fs_builder &bld,
                             nir_load_const_instr *instr);
    void nir_emit_vs_intrinsic(const brw::fs_builder &bld,
@@ -212,14 +223,26 @@ public:
                               nir_intrinsic_instr *instr);
    void nir_emit_cs_intrinsic(const brw::fs_builder &bld,
                               nir_intrinsic_instr *instr);
+   fs_reg get_nir_image_intrinsic_image(const brw::fs_builder &bld,
+                                        nir_intrinsic_instr *instr);
+   fs_reg get_nir_ssbo_intrinsic_index(const brw::fs_builder &bld,
+                                       nir_intrinsic_instr *instr);
    void nir_emit_intrinsic(const brw::fs_builder &bld,
                            nir_intrinsic_instr *instr);
    void nir_emit_tes_intrinsic(const brw::fs_builder &bld,
                                nir_intrinsic_instr *instr);
    void nir_emit_ssbo_atomic(const brw::fs_builder &bld,
                              int op, nir_intrinsic_instr *instr);
+   void nir_emit_ssbo_atomic_float(const brw::fs_builder &bld,
+                                   int op, nir_intrinsic_instr *instr);
    void nir_emit_shared_atomic(const brw::fs_builder &bld,
                                int op, nir_intrinsic_instr *instr);
+   void nir_emit_shared_atomic_float(const brw::fs_builder &bld,
+                                     int op, nir_intrinsic_instr *instr);
+   void nir_emit_global_atomic(const brw::fs_builder &bld,
+                               int op, nir_intrinsic_instr *instr);
+   void nir_emit_global_atomic_float(const brw::fs_builder &bld,
+                                     int op, 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,
@@ -227,8 +250,13 @@ public:
    fs_reg get_nir_src(const nir_src &src);
    fs_reg get_nir_src_imm(const nir_src &src);
    fs_reg get_nir_dest(const nir_dest &dest);
-   fs_reg get_nir_image_deref(const nir_deref_var *deref);
    fs_reg get_indirect_offset(nir_intrinsic_instr *instr);
+   fs_reg get_tcs_single_patch_icp_handle(const brw::fs_builder &bld,
+                                          nir_intrinsic_instr *instr);
+   fs_reg get_tcs_eight_patch_icp_handle(const brw::fs_builder &bld,
+                                         nir_intrinsic_instr *instr);
+   struct brw_reg get_tcs_output_urb_handle();
+
    void emit_percomp(const brw::fs_builder &bld, const fs_inst &inst,
                      unsigned wr_mask);
 
@@ -241,6 +269,7 @@ public:
    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_alpha_to_coverage_workaround(const fs_reg &src0_alpha);
    void emit_fb_writes();
    fs_inst *emit_non_coherent_fb_read(const brw::fs_builder &bld,
                                       const fs_reg &dst, unsigned target);
@@ -268,16 +297,16 @@ public:
 
    fs_reg get_timestamp(const brw::fs_builder &bld);
 
-   struct brw_reg interp_reg(int location, int channel);
+   fs_reg interp_reg(int location, int channel);
 
-   int implied_mrf_writes(fs_inst *inst);
+   int implied_mrf_writes(fs_inst *inst) const;
 
    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);
 
-   const void *const key;
+   const brw_base_prog_key *const key;
    const struct brw_sampler_prog_key_data *key_tex;
 
    struct brw_gs_compile *gs_compile;
@@ -311,6 +340,7 @@ public:
     */
    int *push_constant_loc;
 
+   fs_reg subgroup_id;
    fs_reg frag_depth;
    fs_reg frag_stencil;
    fs_reg sample_mask;
@@ -329,14 +359,15 @@ public:
 
    /** Register numbers for thread payload fields. */
    struct thread_payload {
-      uint8_t source_depth_reg;
-      uint8_t source_w_reg;
-      uint8_t aa_dest_stencil_reg;
-      uint8_t dest_depth_reg;
-      uint8_t sample_pos_reg;
-      uint8_t sample_mask_in_reg;
-      uint8_t barycentric_coord_reg[BRW_BARYCENTRIC_MODE_COUNT];
-      uint8_t local_invocation_id_reg;
+      uint8_t subspan_coord_reg[2];
+      uint8_t source_depth_reg[2];
+      uint8_t source_w_reg[2];
+      uint8_t aa_dest_stencil_reg[2];
+      uint8_t dest_depth_reg[2];
+      uint8_t sample_pos_reg[2];
+      uint8_t sample_mask_in_reg[2];
+      uint8_t barycentric_coord_reg[BRW_BARYCENTRIC_MODE_COUNT][2];
+      uint8_t local_invocation_id_reg[2];
 
       /** The number of thread payload registers the hardware will supply. */
       uint8_t num_regs;
@@ -351,7 +382,6 @@ public:
    fs_reg pixel_w;
    fs_reg delta_xy[BRW_BARYCENTRIC_MODE_COUNT];
    fs_reg shader_start_time;
-   fs_reg userplane[MAX_CLIP_PLANES];
    fs_reg final_gs_vertex_count;
    fs_reg control_data_bits;
    fs_reg invocation_id;
@@ -360,13 +390,22 @@ public:
    bool spilled_any_registers;
 
    const unsigned dispatch_width; /**< 8, 16 or 32 */
-   unsigned min_dispatch_width;
    unsigned max_dispatch_width;
 
    int shader_time_index;
 
-   unsigned promoted_constants;
+   struct shader_stats shader_stats;
+
    brw::fs_builder bld;
+
+private:
+   fs_reg prepare_alu_destination_and_sources(const brw::fs_builder &bld,
+                                              nir_alu_instr *instr,
+                                              fs_reg *op,
+                                              bool need_dest);
+
+   void resolve_inot_sources(const brw::fs_builder &bld, nir_alu_instr *instr,
+                             fs_reg *op);
 };
 
 /**
@@ -379,22 +418,27 @@ class fs_generator
 public:
    fs_generator(const struct brw_compiler *compiler, void *log_data,
                 void *mem_ctx,
-                const void *key,
                 struct brw_stage_prog_data *prog_data,
-                unsigned promoted_constants,
+                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);
-   const unsigned *get_assembly(unsigned int *assembly_size);
+   const unsigned *get_assembly();
 
 private:
    void fire_fb_write(fs_inst *inst,
                       struct brw_reg payload,
                       struct brw_reg implied_header,
                       GLuint nr);
+   void generate_send(fs_inst *inst,
+                      struct brw_reg dst,
+                      struct brw_reg desc,
+                      struct brw_reg ex_desc,
+                      struct brw_reg payload,
+                      struct brw_reg payload2);
    void generate_fb_write(fs_inst *inst, struct brw_reg payload);
    void generate_fb_read(fs_inst *inst, struct brw_reg dst,
                          struct brw_reg payload);
@@ -402,16 +446,18 @@ private:
    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_linterp(fs_inst *inst, struct brw_reg dst,
+   bool generate_linterp(fs_inst *inst, struct brw_reg dst,
                         struct brw_reg *src);
-   void generate_tex(fs_inst *inst, struct brw_reg dst, struct brw_reg src,
+   void generate_tex(fs_inst *inst, struct brw_reg dst,
                      struct brw_reg surface_index,
                      struct brw_reg sampler_index);
    void generate_get_buffer_size(fs_inst *inst, struct brw_reg dst,
                                  struct brw_reg src,
                                  struct brw_reg surf_index);
-   void generate_ddx(enum opcode op, struct brw_reg dst, struct brw_reg src);
-   void generate_ddy(enum opcode op, struct brw_reg dst, struct brw_reg src);
+   void generate_ddx(const fs_inst *inst,
+                     struct brw_reg dst, struct brw_reg src);
+   void generate_ddy(const fs_inst *inst,
+                     struct brw_reg dst, struct brw_reg src);
    void generate_scratch_write(fs_inst *inst, struct brw_reg src);
    void generate_scratch_read(fs_inst *inst, struct brw_reg dst);
    void generate_scratch_read_gen7(fs_inst *inst, struct brw_reg dst);
@@ -425,10 +471,6 @@ private:
    void generate_varying_pull_constant_load_gen4(fs_inst *inst,
                                                  struct brw_reg dst,
                                                  struct brw_reg index);
-   void generate_varying_pull_constant_load_gen7(fs_inst *inst,
-                                                 struct brw_reg dst,
-                                                 struct brw_reg index,
-                                                 struct brw_reg offset);
    void generate_mov_dispatch_to_flags(fs_inst *inst);
 
    void generate_pixel_interpolator_query(fs_inst *inst,
@@ -448,9 +490,6 @@ private:
                                       struct brw_reg dst,
                                       struct brw_reg x,
                                       struct brw_reg y);
-   void generate_unpack_half_2x16_split(fs_inst *inst,
-                                        struct brw_reg dst,
-                                        struct brw_reg src);
 
    void generate_shader_time_add(fs_inst *inst,
                                  struct brw_reg payload,
@@ -462,6 +501,15 @@ private:
                               struct brw_reg reg,
                               struct brw_reg indirect_byte_offset);
 
+   void generate_shuffle(fs_inst *inst,
+                         struct brw_reg dst,
+                         struct brw_reg src,
+                         struct brw_reg idx);
+
+   void generate_quad_swizzle(const fs_inst *inst,
+                              struct brw_reg dst, struct brw_reg src,
+                              unsigned swiz);
+
    bool patch_discard_jumps_to_fb_writes();
 
    const struct brw_compiler *compiler;
@@ -470,13 +518,12 @@ private:
    const struct gen_device_info *devinfo;
 
    struct brw_codegen *p;
-   const void * const key;
    struct brw_stage_prog_data * const prog_data;
 
    unsigned dispatch_width; /**< 8, 16 or 32 */
 
    exec_list discard_halt_patches;
-   unsigned promoted_constants;
+   struct shader_stats shader_stats;
    bool runtime_check_aads_emit;
    bool debug_flag;
    const char *shader_name;
@@ -484,17 +531,57 @@ private:
    void *mem_ctx;
 };
 
-void shuffle_32bit_load_result_to_64bit_data(const brw::fs_builder &bld,
-                                             const fs_reg &dst,
-                                             const fs_reg &src,
-                                             uint32_t components);
+namespace brw {
+   inline fs_reg
+   fetch_payload_reg(const brw::fs_builder &bld, uint8_t regs[2],
+                     brw_reg_type type = BRW_REGISTER_TYPE_F, unsigned n = 1)
+   {
+      if (!regs[0])
+         return fs_reg();
+
+      if (bld.dispatch_width() > 16) {
+         const fs_reg tmp = bld.vgrf(type, n);
+         const brw::fs_builder hbld = bld.exec_all().group(16, 0);
+         const unsigned m = bld.dispatch_width() / hbld.dispatch_width();
+         fs_reg *const components = new fs_reg[n * m];
+
+         for (unsigned c = 0; c < n; c++) {
+            for (unsigned g = 0; g < m; g++) {
+               components[c * m + g] =
+                  offset(retype(brw_vec8_grf(regs[g], 0), type), hbld, c);
+            }
+         }
+
+         hbld.LOAD_PAYLOAD(tmp, components, n * m, 0);
+
+         delete[] components;
+         return tmp;
+
+      } else {
+         return fs_reg(retype(brw_vec8_grf(regs[0], 0), type));
+      }
+   }
+
+   bool
+   lower_src_modifiers(fs_visitor *v, bblock_t *block, fs_inst *inst, unsigned i);
+}
+
+void shuffle_from_32bit_read(const brw::fs_builder &bld,
+                             const fs_reg &dst,
+                             const fs_reg &src,
+                             uint32_t first_component,
+                             uint32_t components);
 
-void shuffle_64bit_data_for_32bit_write(const brw::fs_builder &bld,
-                                        const fs_reg &dst,
-                                        const fs_reg &src,
-                                        uint32_t components);
 fs_reg setup_imm_df(const brw::fs_builder &bld,
                     double v);
 
+fs_reg setup_imm_b(const brw::fs_builder &bld,
+                   int8_t v);
+
+fs_reg setup_imm_ub(const brw::fs_builder &bld,
+                   uint8_t v);
+
 enum brw_barycentric_mode brw_barycentric_mode(enum glsl_interp_mode mode,
                                                nir_intrinsic_op op);
+
+#endif /* BRW_FS_H */