diff options
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_qir_live_variables.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/gallium/drivers/vc4/vc4_qir_live_variables.c b/src/gallium/drivers/vc4/vc4_qir_live_variables.c index 330e1c8f7a9..7108b3ee9b6 100644 --- a/src/gallium/drivers/vc4/vc4_qir_live_variables.c +++ b/src/gallium/drivers/vc4/vc4_qir_live_variables.c @@ -327,4 +327,27 @@ qir_calculate_live_intervals(struct vc4_compile *c) ; qir_compute_start_end(c, c->num_temps); + + if (vc4_debug & VC4_DEBUG_SHADERDB) { + int last_ip = 0; + for (int i = 0; i < c->num_temps; i++) + last_ip = MAX2(last_ip, c->temp_end[i]); + + int reg_pressure = 0; + int max_reg_pressure = 0; + for (int i = 0; i < last_ip; i++) { + for (int j = 0; j < c->num_temps; j++) { + if (c->temp_start[j] == i) + reg_pressure++; + if (c->temp_end[j] == i) + reg_pressure--; + } + max_reg_pressure = MAX2(max_reg_pressure, reg_pressure); + } + + fprintf(stderr, "SHADER-DB: %s prog %d/%d: %d max temps\n", + qir_get_stage_name(c->stage), + c->program_id, c->variant_id, + max_reg_pressure); + } } |