diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm.h | 2 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_glsl.c | 35 |
2 files changed, 26 insertions, 11 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm.h b/src/mesa/drivers/dri/i965/brw_wm.h index 22e77287f45..ca9bc3a07b9 100644 --- a/src/mesa/drivers/dri/i965/brw_wm.h +++ b/src/mesa/drivers/dri/i965/brw_wm.h @@ -237,7 +237,7 @@ struct brw_wm_compile { GLboolean inited; struct brw_reg reg; } wm_regs[PROGRAM_PAYLOAD+1][256][4]; - struct brw_reg ret_reg; + struct brw_reg stack; struct brw_reg emit_mask_reg; GLuint reg_index; GLuint tmp_index; diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c index 4bce150491c..c6fd7249210 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c +++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c @@ -134,9 +134,10 @@ static void prealloc_reg(struct brw_wm_compile *c) c->prog_data.first_curbe_grf = c->key.nr_depth_regs * 2; c->prog_data.urb_read_length = nr_interp_regs * 2; c->prog_data.curb_read_length = c->nr_creg; - c->ret_reg = brw_uw1_reg(BRW_GENERAL_REGISTER_FILE, c->reg_index, 0); - c->emit_mask_reg = brw_uw1_reg(BRW_GENERAL_REGISTER_FILE, c->reg_index, 1); + c->emit_mask_reg = brw_uw1_reg(BRW_GENERAL_REGISTER_FILE, c->reg_index, 0); c->reg_index++; + c->stack = brw_uw16_reg(BRW_GENERAL_REGISTER_FILE, c->reg_index, 0); + c->reg_index += 2; } static struct brw_reg get_dst_reg(struct brw_wm_compile *c, @@ -1075,10 +1076,14 @@ static void brw_wm_emit_glsl(struct brw_wm_compile *c) struct brw_instruction *inst0, *inst1; int i, if_insn = 0, loop_insn = 0; struct brw_compile *p = &c->func; + struct brw_indirect stack_index = brw_indirect(0, 0); + brw_init_compile(&c->func); c->reg_index = 0; prealloc_reg(c); brw_set_compression_control(p, BRW_COMPRESSION_NONE); + brw_MOV(p, get_addr_reg(stack_index), brw_address(c->stack)); + for (i = 0; i < c->nr_fp_insns; i++) { struct prog_instruction *inst = &c->prog_instructions[i]; struct prog_instruction *orig_inst; @@ -1227,19 +1232,29 @@ static void brw_wm_emit_glsl(struct brw_wm_compile *c) case OPCODE_CAL: brw_push_insn_state(p); brw_set_mask_control(p, BRW_MASK_DISABLE); - brw_set_predicate_control(p, BRW_PREDICATE_NONE); - brw_ADD(p, c->ret_reg, brw_ip_reg(), brw_imm_d(2*16)); - orig_inst = inst->Data; - orig_inst->Data = current_insn(p); - brw_ADD(p, brw_ip_reg(), brw_ip_reg(), brw_imm_d(1*16)); - brw_pop_insn_state(p); + brw_set_predicate_control(p, BRW_PREDICATE_NONE); + brw_set_access_mode(p, BRW_ALIGN_1); + brw_ADD(p, deref_1uw(stack_index, 0), brw_ip_reg(), brw_imm_d(3*16)); + brw_set_access_mode(p, BRW_ALIGN_16); + brw_ADD(p, get_addr_reg(stack_index), + get_addr_reg(stack_index), brw_imm_d(4)); + orig_inst = inst->Data; + orig_inst->Data = &p->store[p->nr_insn]; + brw_ADD(p, brw_ip_reg(), brw_ip_reg(), brw_imm_d(1*16)); + brw_pop_insn_state(p); break; + case OPCODE_RET: brw_push_insn_state(p); brw_set_mask_control(p, BRW_MASK_DISABLE); - brw_set_predicate_control(p, BRW_PREDICATE_NONE); - brw_MOV(p, brw_ip_reg(), c->ret_reg); + brw_set_predicate_control(p, BRW_PREDICATE_NONE); + brw_ADD(p, get_addr_reg(stack_index), + get_addr_reg(stack_index), brw_imm_d(-4)); + brw_set_access_mode(p, BRW_ALIGN_1); + brw_MOV(p, brw_ip_reg(), deref_1uw(stack_index, 0)); + brw_set_access_mode(p, BRW_ALIGN_16); brw_pop_insn_state(p); + break; case OPCODE_BGNLOOP: loop_inst[loop_insn++] = brw_DO(p, BRW_EXECUTE_8); |