[Mesa-dev] [PATCH 3/4] radv: emit correct centroid priority based on the number of samples

[Bas Nieuwenhuizen]

r-b

On Thu, May 16, 2019 at 11:51 AM Samuel Pitoiset
<samuel.pitoiset at gmail.com> wrote:
>
> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
> ---
>  src/amd/vulkan/si_cmd_buffer.c | 19 ++++++++++++++++---
>  1 file changed, 16 insertions(+), 3 deletions(-)
>
> diff --git a/src/amd/vulkan/si_cmd_buffer.c b/src/amd/vulkan/si_cmd_buffer.c
> index 56d7a9a3682..9f6f92a42be 100644
> --- a/src/amd/vulkan/si_cmd_buffer.c
> +++ b/src/amd/vulkan/si_cmd_buffer.c
> @@ -197,9 +197,6 @@ si_emit_graphics(struct radv_physical_device *physical_device,
>                 radeon_set_config_reg(cs, R_008A14_PA_CL_ENHANCE, S_008A14_NUM_CLIP_SEQ(3) |
>                                       S_008A14_CLIP_VTX_REORDER_ENA(1));
>
> -       radeon_set_context_reg(cs, R_028BD4_PA_SC_CENTROID_PRIORITY_0, 0x76543210);
> -       radeon_set_context_reg(cs, R_028BD8_PA_SC_CENTROID_PRIORITY_1, 0xfedcba98);
> -
>         if (!physical_device->has_clear_state)
>                 radeon_set_context_reg(cs, R_02882C_PA_SU_PRIM_FILTER_CNTL, 0);
>
> @@ -1315,16 +1312,19 @@ void si_cp_dma_wait_for_idle(struct radv_cmd_buffer *cmd_buffer)
>  static const uint32_t sample_locs_1x =
>         FILL_SREG(0, 0,   0, 0,   0, 0,   0, 0);
>  static const unsigned max_dist_1x = 0;
> +static const uint64_t centroid_priority_1x = 0x0000000000000000ull;
>
>  /* 2xMSAA */
>  static const uint32_t sample_locs_2x =
>         FILL_SREG(4,4,   -4, -4,   0, 0,   0, 0);
>  static const unsigned max_dist_2x = 4;
> +static const uint64_t centroid_priority_2x = 0x1010101010101010ull;
>
>  /* 4xMSAA */
>  static const uint32_t sample_locs_4x =
>         FILL_SREG(-2,-6,   6, -2,   -6, 2,  2, 6);
>  static const unsigned max_dist_4x = 6;
> +static const uint64_t centroid_priority_4x = 0x3210321032103210ull;
>
>  /* 8xMSAA */
>  static const uint32_t sample_locs_8x[] = {
> @@ -1336,6 +1336,7 @@ static const uint32_t sample_locs_8x[] = {
>         0,
>  };
>  static const unsigned max_dist_8x = 8;
> +static const uint64_t centroid_priority_8x = 0x7654321076543210ull;
>
>  unsigned radv_get_default_max_sample_dist(int log_samples)
>  {
> @@ -1353,24 +1354,36 @@ void radv_emit_default_sample_locations(struct radeon_cmdbuf *cs, int nr_samples
>         switch (nr_samples) {
>         default:
>         case 1:
> +               radeon_set_context_reg_seq(cs, R_028BD4_PA_SC_CENTROID_PRIORITY_0, 2);
> +               radeon_emit(cs, centroid_priority_1x);
> +               radeon_emit(cs, centroid_priority_1x >> 32);
>                 radeon_set_context_reg(cs, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, sample_locs_1x);
>                 radeon_set_context_reg(cs, R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0, sample_locs_1x);
>                 radeon_set_context_reg(cs, R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0, sample_locs_1x);
>                 radeon_set_context_reg(cs, R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0, sample_locs_1x);
>                 break;
>         case 2:
> +               radeon_set_context_reg_seq(cs, R_028BD4_PA_SC_CENTROID_PRIORITY_0, 2);
> +               radeon_emit(cs, centroid_priority_2x);
> +               radeon_emit(cs, centroid_priority_2x >> 32);
>                 radeon_set_context_reg(cs, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, sample_locs_2x);
>                 radeon_set_context_reg(cs, R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0, sample_locs_2x);
>                 radeon_set_context_reg(cs, R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0, sample_locs_2x);
>                 radeon_set_context_reg(cs, R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0, sample_locs_2x);
>                 break;
>         case 4:
> +               radeon_set_context_reg_seq(cs, R_028BD4_PA_SC_CENTROID_PRIORITY_0, 2);
> +               radeon_emit(cs, centroid_priority_4x);
> +               radeon_emit(cs, centroid_priority_4x >> 32);
>                 radeon_set_context_reg(cs, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, sample_locs_4x);
>                 radeon_set_context_reg(cs, R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0, sample_locs_4x);
>                 radeon_set_context_reg(cs, R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0, sample_locs_4x);
>                 radeon_set_context_reg(cs, R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0, sample_locs_4x);
>                 break;
>         case 8:
> +               radeon_set_context_reg_seq(cs, R_028BD4_PA_SC_CENTROID_PRIORITY_0, 2);
> +               radeon_emit(cs, centroid_priority_8x);
> +               radeon_emit(cs, centroid_priority_8x >> 32);
>                 radeon_set_context_reg_seq(cs, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, 14);
>                 radeon_emit_array(cs, sample_locs_8x, 4);
>                 radeon_emit_array(cs, sample_locs_8x, 4);
> --
> 2.21.0
>
> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-dev