diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_fs.h')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.h | 67 |
1 files changed, 49 insertions, 18 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h index 9b7fcde858..de7b15312a 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.h +++ b/src/mesa/drivers/dri/i965/brw_fs.h @@ -96,10 +96,7 @@ public: void init() { - this->reg = 0; - this->reg_offset = 0; - this->negate = 0; - this->abs = 0; + memset(this, 0, sizeof(*this)); this->hw_reg = -1; this->smear = -1; } @@ -151,6 +148,21 @@ public: fs_reg(enum register_file file, int hw_reg, uint32_t type); fs_reg(class fs_visitor *v, const struct glsl_type *type); + bool equals(fs_reg *r) + { + return (file == r->file && + reg == r->reg && + reg_offset == r->reg_offset && + hw_reg == r->hw_reg && + type == r->type && + negate == r->negate && + abs == r->abs && + memcmp(&fixed_hw_reg, &r->fixed_hw_reg, + sizeof(fixed_hw_reg)) == 0 && + smear == r->smear && + imm.u == r->imm.u); + } + /** Register file: ARF, GRF, MRF, IMM. */ enum register_file file; /** virtual register number. 0 = fixed hw reg */ @@ -174,6 +186,10 @@ public: } imm; }; +static const fs_reg reg_undef; +static const fs_reg reg_null_f(ARF, BRW_ARF_NULL, BRW_REGISTER_TYPE_F); +static const fs_reg reg_null_d(ARF, BRW_ARF_NULL, BRW_REGISTER_TYPE_D); + class fs_inst : public exec_node { public: /* Callers of this talloc-based new need not call delete. It's @@ -190,18 +206,14 @@ public: void init() { + memset(this, 0, sizeof(*this)); this->opcode = BRW_OPCODE_NOP; - this->saturate = false; this->conditional_mod = BRW_CONDITIONAL_NONE; - this->predicated = false; - this->sampler = 0; - this->target = 0; - this->eot = false; - this->header_present = false; - this->shadow_compare = false; - this->mlen = 0; - this->base_mrf = 0; - this->offset = 0; + + this->dst = reg_undef; + this->src[0] = reg_undef; + this->src[1] = reg_undef; + this->src[2] = reg_undef; } fs_inst() @@ -273,6 +285,26 @@ public: assert(src[2].reg_offset >= 0); } + bool equals(fs_inst *inst) + { + return (opcode == inst->opcode && + dst.equals(&inst->dst) && + src[0].equals(&inst->src[0]) && + src[1].equals(&inst->src[1]) && + src[2].equals(&inst->src[2]) && + saturate == inst->saturate && + predicated == inst->predicated && + conditional_mod == inst->conditional_mod && + mlen == inst->mlen && + base_mrf == inst->base_mrf && + sampler == inst->sampler && + target == inst->target && + eot == inst->eot && + header_present == inst->header_present && + shadow_compare == inst->shadow_compare && + offset == inst->offset); + } + int opcode; /* BRW_OPCODE_* or FS_OPCODE_* */ fs_reg dst; fs_reg src[3]; @@ -375,6 +407,7 @@ public: bool register_coalesce(); bool compute_to_mrf(); bool dead_code_eliminate(); + bool remove_duplicate_mrf_writes(); bool virtual_grf_interferes(int a, int b); void generate_code(); void generate_fb_write(fs_inst *inst); @@ -400,6 +433,7 @@ public: fs_inst *emit_texture_gen5(ir_texture *ir, fs_reg dst, fs_reg coordinate); fs_inst *emit_math(fs_opcodes op, fs_reg dst, fs_reg src0); fs_inst *emit_math(fs_opcodes op, fs_reg dst, fs_reg src0, fs_reg src1); + bool try_emit_saturate(ir_expression *ir); void emit_bool_to_cond_code(ir_rvalue *condition); void emit_if_gen6(ir_if *ir); void emit_unspill(fs_inst *inst, fs_reg reg, uint32_t spill_offset); @@ -411,6 +445,7 @@ public: struct brw_reg interp_reg(int location, int channel); int setup_uniform_values(int loc, const glsl_type *type); void setup_builtin_uniform_values(ir_variable *ir); + int implied_mrf_writes(fs_inst *inst); struct brw_context *brw; const struct gl_fragment_program *fp; @@ -454,9 +489,5 @@ public: int grf_used; }; -static const fs_reg reg_undef; -static const fs_reg reg_null_f(ARF, BRW_ARF_NULL, BRW_REGISTER_TYPE_F); -static const fs_reg reg_null_d(ARF, BRW_ARF_NULL, BRW_REGISTER_TYPE_D); - GLboolean brw_do_channel_expressions(struct exec_list *instructions); GLboolean brw_do_vector_splitting(struct exec_list *instructions); |