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radv: set MSAA_NUM_SAMPLES to 0 for underestimate rasterization

Browse source 
Based on PAL.

Fixes
dEQP-VK.rasterization.conservative.underestimate.samples_*.triangles.normal.test.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21459>
This commit is contained in:
Samuel Pitoiset 2023-02-22 09:50:15 +01:00 • committed by Marge Bot
parent 0eae617826
commit dba7a66429
1 changed files with 3 additions and 1 deletions
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4
src/amd/vulkan/radv_cmd_buffer.c
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@ -4224,13 +4224,15 @@ radv_emit_msaa_state(struct radv_cmd_buffer *cmd_buffer)
unsigned ps_iter_samples = radv_get_ps_iter_samples(cmd_buffer);
unsigned log_z_samples = util_logbase2(z_samples);
unsigned log_ps_iter_samples = util_logbase2(ps_iter_samples);
bool uses_underestimate =
d->vk.rs.conservative_mode == VK_CONSERVATIVE_RASTERIZATION_MODE_UNDERESTIMATE_EXT;
db_eqaa |= 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);
pa_sc_aa_config |= S_028BE0_MSAA_NUM_SAMPLES(log_samples) |
pa_sc_aa_config |= S_028BE0_MSAA_NUM_SAMPLES(uses_underestimate ? 0 : log_samples) |
S_028BE0_MAX_SAMPLE_DIST(max_sample_dist) |
S_028BE0_MSAA_EXPOSED_SAMPLES(log_samples) |
S_028BE0_COVERED_CENTROID_IS_CENTER(pdevice->rad_info.gfx_level >= GFX10_3);