diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_state.c | 34 | ||||
| -rw-r--r-- | src/gallium/drivers/radeonsi/sid.h | 1 |
2 files changed, 20 insertions, 15 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c index f801ca55829..c5b61e94114 100644 --- a/src/gallium/drivers/radeonsi/si_state.c +++ b/src/gallium/drivers/radeonsi/si_state.c @@ -2569,22 +2569,31 @@ static void si_emit_msaa_sample_locs(struct si_context *sctx, if (nr_samples <= 1 && sctx->smoothing_enabled) nr_samples = SI_NUM_SMOOTH_AA_SAMPLES; - /* The small primitive filter on Polaris requires explicitly setting - * sample locations to 0 when MSAA is disabled. + /* On Polaris, the small primitive filter uses the sample locations + * even when MSAA is off, so we need to make sure they're set to 0. */ - if (sctx->b.family >= CHIP_POLARIS10) { - struct si_state_rasterizer *rs = sctx->queued.named.rasterizer; - - if (!sctx->smoothing_enabled && - rs && !rs->multisample_enable) - nr_samples = 1; - } - if ((nr_samples > 1 || sctx->b.family >= CHIP_POLARIS10) && (nr_samples != sctx->msaa_sample_locs.nr_samples)) { sctx->msaa_sample_locs.nr_samples = nr_samples; cayman_emit_msaa_sample_locs(cs, nr_samples); } + + if (sctx->b.family >= CHIP_POLARIS10) { + struct si_state_rasterizer *rs = sctx->queued.named.rasterizer; + unsigned small_prim_filter_cntl = + S_028830_SMALL_PRIM_FILTER_ENABLE(1) | + S_028830_LINE_FILTER_DISABLE(1); /* line bug */ + + /* The alternative of setting sample locations to 0 would + * require a DB flush to avoid Z errors, see + * https://bugs.freedesktop.org/show_bug.cgi?id=96908 + */ + if (sctx->framebuffer.nr_samples > 1 && rs && !rs->multisample_enable) + small_prim_filter_cntl &= C_028830_SMALL_PRIM_FILTER_ENABLE; + + radeon_set_context_reg(cs, R_028830_PA_SU_SMALL_PRIM_FILTER_CNTL, + small_prim_filter_cntl); + } } static void si_emit_msaa_config(struct si_context *sctx, struct r600_atom *atom) @@ -3957,11 +3966,6 @@ static void si_init_config(struct si_context *sctx) if (sctx->b.family == CHIP_STONEY) si_pm4_set_reg(pm4, R_028C40_PA_SC_SHADER_CONTROL, 0); - if (sctx->b.family >= CHIP_POLARIS10) - si_pm4_set_reg(pm4, R_028830_PA_SU_SMALL_PRIM_FILTER_CNTL, - S_028830_SMALL_PRIM_FILTER_ENABLE(1) | - S_028830_LINE_FILTER_DISABLE(1)); /* line bug */ - si_pm4_set_reg(pm4, R_028080_TA_BC_BASE_ADDR, border_color_va >> 8); if (sctx->b.chip_class >= CIK) si_pm4_set_reg(pm4, R_028084_TA_BC_BASE_ADDR_HI, border_color_va >> 40); diff --git a/src/gallium/drivers/radeonsi/sid.h b/src/gallium/drivers/radeonsi/sid.h index f6a05c544ae..0d2ac372dfb 100644 --- a/src/gallium/drivers/radeonsi/sid.h +++ b/src/gallium/drivers/radeonsi/sid.h @@ -7216,6 +7216,7 @@ /* */ #define R_028830_PA_SU_SMALL_PRIM_FILTER_CNTL 0x028830 /* Polaris */ #define S_028830_SMALL_PRIM_FILTER_ENABLE(x) (((x) & 0x1) << 0) +#define C_028830_SMALL_PRIM_FILTER_ENABLE 0xFFFFFFFE #define S_028830_TRIANGLE_FILTER_DISABLE(x) (((x) & 0x1) << 1) #define S_028830_LINE_FILTER_DISABLE(x) (((x) & 0x1) << 2) #define S_028830_POINT_FILTER_DISABLE(x) (((x) & 0x1) << 3) |