From: Marek Olšák <marek.ol...@amd.com>
---
src/gallium/drivers/radeonsi/si_state.c | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/src/gallium/drivers/radeonsi/si_state.c
b/src/gallium/drivers/radeonsi/si_state.c
index f4e29f68b29..3a7e928df53 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -3333,21 +3333,21 @@ static void si_emit_msaa_config(struct si_context *sctx)
S_028A4C_WALK_ALIGN8_PRIM_FITS_ST(1) |
S_028A4C_SUPERTILE_WALK_ORDER_ENABLE(1) |
S_028A4C_TILE_WALK_ORDER_ENABLE(1) |
S_028A4C_MULTI_SHADER_ENGINE_PRIM_DISCARD_ENABLE(1) |
S_028A4C_FORCE_EOV_CNTDWN_ENABLE(1) |
S_028A4C_FORCE_EOV_REZ_ENABLE(1);
unsigned db_eqaa = S_028804_HIGH_QUALITY_INTERSECTIONS(1) |
S_028804_INCOHERENT_EQAA_READS(1) |
S_028804_INTERPOLATE_COMP_Z(1) |
S_028804_STATIC_ANCHOR_ASSOCIATIONS(1);
- unsigned coverage_samples, color_samples;
+ unsigned coverage_samples, color_samples, z_samples;
/* S: Coverage samples (up to 16x):
* - Scan conversion samples (PA_SC_AA_CONFIG.MSAA_NUM_SAMPLES)
* - CB FMASK samples (CB_COLORi_ATTRIB.NUM_SAMPLES)
*
* Z: Z/S samples (up to 8x, must be <= coverage samples and >= color
samples):
* - Value seen by DB (DB_Z_INFO.NUM_SAMPLES)
* - Value seen by CB, must be correct even if Z/S is unbound
(DB_EQAA.MAX_ANCHOR_SAMPLES)
* # Missing samples are derived from Z planes if Z is compressed (up
to 16x quality), or
* # from the closest defined sample if Z is uncompressed (same quality
as the number of
@@ -3379,24 +3379,31 @@ static void si_emit_msaa_config(struct si_context *sctx)
* EQAA 8s 8z 2f - might look the same as 8x MSAA with low-density
geometry
* EQAA 8s 4z 4f - might look the same as 8x MSAA if Z is compressed
* EQAA 8s 4z 2f - might look the same as 8x MSAA with low-density
geometry if Z is compressed
* EQAA 4s 4z 4f = 4x MSAA
* EQAA 4s 4z 2f - might look the same as 4x MSAA with low-density
geometry
* EQAA 2s 2z 2f = 2x MSAA
*/
if (sctx->framebuffer.nr_samples > 1) {
coverage_samples = sctx->framebuffer.nr_samples;
color_samples = sctx->framebuffer.nr_color_samples;
+
+ if (sctx->framebuffer.state.zsbuf) {
+ z_samples =
sctx->framebuffer.state.zsbuf->texture->nr_samples;
+ z_samples = MAX2(1, z_samples);
+ } else {
+ z_samples = coverage_samples;
+ }
} else if (sctx->smoothing_enabled) {
- coverage_samples = color_samples = SI_NUM_SMOOTH_AA_SAMPLES;
+ coverage_samples = color_samples = z_samples =
SI_NUM_SMOOTH_AA_SAMPLES;
} else {
- coverage_samples = color_samples = 1;
+ coverage_samples = color_samples = z_samples = 1;
}
/* Required by OpenGL line rasterization.
*
* TODO: We should also enable perpendicular endcaps for AA lines,
* but that requires implementing line stippling in the pixel
* shader. SC can only do line stippling with axis-aligned
* endcaps.
*/
unsigned sc_line_cntl = S_028BDC_DX10_DIAMOND_TEST_ENA(1);
@@ -3404,34 +3411,35 @@ static void si_emit_msaa_config(struct si_context *sctx)
if (coverage_samples > 1) {
/* distance from the pixel center, indexed by log2(nr_samples)
*/
static unsigned max_dist[] = {
0, /* unused */
4, /* 2x MSAA */
6, /* 4x MSAA */
7, /* 8x MSAA */
8, /* 16x MSAA */
};
unsigned log_samples = util_logbase2(coverage_samples);
+ unsigned log_z_samples = util_logbase2(z_samples);
unsigned ps_iter_samples = si_get_ps_iter_samples(sctx);
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 |
S_028BDC_EXPAND_LINE_WIDTH(1)); /*
R_028BDC_PA_SC_LINE_CNTL */
radeon_emit(cs, S_028BE0_MSAA_NUM_SAMPLES(log_samples) |
S_028BE0_MAX_SAMPLE_DIST(max_dist[log_samples]) |
S_028BE0_MSAA_EXPOSED_SAMPLES(log_samples)); /*
R_028BE0_PA_SC_AA_CONFIG */
if (sctx->framebuffer.nr_samples > 1) {
radeon_set_context_reg(cs, R_028804_DB_EQAA,
db_eqaa |
-
S_028804_MAX_ANCHOR_SAMPLES(log_samples) |
+
S_028804_MAX_ANCHOR_SAMPLES(log_z_samples) |
S_028804_PS_ITER_SAMPLES(log_ps_iter_samples) |
S_028804_MASK_EXPORT_NUM_SAMPLES(log_samples) |
S_028804_ALPHA_TO_MASK_NUM_SAMPLES(log_samples));
radeon_set_context_reg(cs, R_028A4C_PA_SC_MODE_CNTL_1,
S_028A4C_PS_ITER_SAMPLE(ps_iter_samples > 1) |
sc_mode_cntl_1);
} else if (sctx->smoothing_enabled) {
radeon_set_context_reg(cs, R_028804_DB_EQAA,
db_eqaa |
S_028804_OVERRASTERIZATION_AMOUNT(log_samples));
--
2.17.0
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