diff options
| author | Marek Olšák <marek.olsak@amd.com> | 2018-05-15 22:03:40 -0400 |
|---|---|---|
| committer | Marek Olšák <marek.olsak@amd.com> | 2018-05-24 13:41:57 -0400 |
| commit | 07e02c8617ebdc7e4a729676dbd93d63b77bcd9d (patch) | |
| tree | 90d2da1c6bbe5673fdf98e8d921e1871031c6dc3 | |
| parent | 510c88f9d14bf21d98429b05cd69396dff08e058 (diff) | |
radeonsi: round ps_iter_samples in set_min_samples
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_state.c | 6 | ||||
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_state_shaders.c | 2 |
2 files changed, 5 insertions, 3 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c index 5bbf134b706..f4e29f68b29 100644 --- a/src/gallium/drivers/radeonsi/si_state.c +++ b/src/gallium/drivers/radeonsi/si_state.c @@ -3412,8 +3412,7 @@ static void si_emit_msaa_config(struct si_context *sctx) }; unsigned log_samples = util_logbase2(coverage_samples); unsigned ps_iter_samples = si_get_ps_iter_samples(sctx); - unsigned log_ps_iter_samples = - util_logbase2(util_next_power_of_two(ps_iter_samples)); + unsigned log_ps_iter_samples = util_logbase2(ps_iter_samples); radeon_set_context_reg_seq(cs, R_028BDC_PA_SC_LINE_CNTL, 2); radeon_emit(cs, sc_line_cntl | @@ -3468,6 +3467,9 @@ static void si_set_min_samples(struct pipe_context *ctx, unsigned min_samples) { struct si_context *sctx = (struct si_context *)ctx; + /* The hardware can only do sample shading with 2^n samples. */ + min_samples = util_next_power_of_two(min_samples); + if (sctx->ps_iter_samples == min_samples) return; diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c index 2e215b91ce8..1b618502e85 100644 --- a/src/gallium/drivers/radeonsi/si_state_shaders.c +++ b/src/gallium/drivers/radeonsi/si_state_shaders.c @@ -1414,7 +1414,7 @@ static inline void si_shader_selector_key(struct pipe_context *ctx, if (sctx->ps_iter_samples > 1 && sel->info.reads_samplemask) { key->part.ps.prolog.samplemask_log_ps_iter = - util_logbase2(util_next_power_of_two(sctx->ps_iter_samples)); + util_logbase2(sctx->ps_iter_samples); } if (rs->force_persample_interp && |