Reviewed-by: Marek Olšák <marek.ol...@amd.com>
Marek
On Wed, Jun 22, 2016 at 10:14 PM, Axel Davy <axel.d...@ens.fr> wrote:
> Emit PA_SU_POLY_OFFSET_DB_FMT_CNTL with the other poly_offset states.
> This will be useful to implement
> PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED.
>
> v2: Increase the num_dw field for the poly offset atom
>
> Signed-off-by: Axel Davy <axel.d...@ens.fr>
> ---
> src/gallium/drivers/r600/evergreen_state.c | 38
> ++++++++++--------------------
> 1 file changed, 13 insertions(+), 25 deletions(-)
>
> diff --git a/src/gallium/drivers/r600/evergreen_state.c
> b/src/gallium/drivers/r600/evergreen_state.c
> index 1ac8914..b572be7 100644
> --- a/src/gallium/drivers/r600/evergreen_state.c
> +++ b/src/gallium/drivers/r600/evergreen_state.c
> @@ -1223,27 +1223,6 @@ static void evergreen_init_depth_surface(struct
> r600_context *rctx,
> surf->db_depth_slice = S_02805C_SLICE_TILE_MAX(levelinfo->nblk_x *
> levelinfo->nblk_y / 64
> - 1);
>
> - switch (surf->base.format) {
> - case PIPE_FORMAT_Z24X8_UNORM:
> - case PIPE_FORMAT_Z24_UNORM_S8_UINT:
> - case PIPE_FORMAT_X8Z24_UNORM:
> - case PIPE_FORMAT_S8_UINT_Z24_UNORM:
> - surf->pa_su_poly_offset_db_fmt_cntl =
> - S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS((char)-24);
> - break;
> - case PIPE_FORMAT_Z32_FLOAT:
> - case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
> - surf->pa_su_poly_offset_db_fmt_cntl =
> - S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS((char)-23) |
> - S_028B78_POLY_OFFSET_DB_IS_FLOAT_FMT(1);
> - break;
> - case PIPE_FORMAT_Z16_UNORM:
> - surf->pa_su_poly_offset_db_fmt_cntl =
> - S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS((char)-16);
> - break;
> - default:;
> - }
> -
> if (rtex->surface.flags & RADEON_SURF_SBUFFER) {
> uint64_t stencil_offset;
> unsigned stile_split = rtex->surface.stencil_tile_split;
> @@ -1628,8 +1607,6 @@ static void evergreen_emit_framebuffer_state(struct
> r600_context *rctx, struct r
>
> RADEON_PRIO_DEPTH_BUFFER_MSAA :
>
> RADEON_PRIO_DEPTH_BUFFER);
>
> - radeon_set_context_reg(cs,
> R_028B78_PA_SU_POLY_OFFSET_DB_FMT_CNTL,
> - zb->pa_su_poly_offset_db_fmt_cntl);
> radeon_set_context_reg(cs, R_028008_DB_DEPTH_VIEW,
> zb->db_depth_view);
>
> radeon_set_context_reg_seq(cs, R_028040_DB_Z_INFO, 8);
> @@ -1682,6 +1659,7 @@ static void evergreen_emit_polygon_offset(struct
> r600_context *rctx, struct r600
> struct r600_poly_offset_state *state = (struct
> r600_poly_offset_state*)a;
> float offset_units = state->offset_units;
> float offset_scale = state->offset_scale;
> + uint32_t pa_su_poly_offset_db_fmt_cntl = 0;
>
> switch (state->zs_format) {
> case PIPE_FORMAT_Z24X8_UNORM:
> @@ -1689,11 +1667,18 @@ static void evergreen_emit_polygon_offset(struct
> r600_context *rctx, struct r600
> case PIPE_FORMAT_X8Z24_UNORM:
> case PIPE_FORMAT_S8_UINT_Z24_UNORM:
> offset_units *= 2.0f;
> + pa_su_poly_offset_db_fmt_cntl =
> + S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS((char)-24);
> break;
> case PIPE_FORMAT_Z16_UNORM:
> offset_units *= 4.0f;
> + pa_su_poly_offset_db_fmt_cntl =
> + S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS((char)-16);
> break;
> - default:;
> + default:
> + pa_su_poly_offset_db_fmt_cntl =
> + S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS((char)-23) |
> + S_028B78_POLY_OFFSET_DB_IS_FLOAT_FMT(1);
> }
>
> radeon_set_context_reg_seq(cs,
> R_028B80_PA_SU_POLY_OFFSET_FRONT_SCALE, 4);
> @@ -1701,6 +1686,9 @@ static void evergreen_emit_polygon_offset(struct
> r600_context *rctx, struct r600
> radeon_emit(cs, fui(offset_units));
> radeon_emit(cs, fui(offset_scale));
> radeon_emit(cs, fui(offset_units));
> +
> + radeon_set_context_reg(cs, R_028B78_PA_SU_POLY_OFFSET_DB_FMT_CNTL,
> + pa_su_poly_offset_db_fmt_cntl);
> }
>
> static void evergreen_emit_cb_misc_state(struct r600_context *rctx, struct
> r600_atom *atom)
> @@ -3641,7 +3629,7 @@ void evergreen_init_state_functions(struct r600_context
> *rctx)
> r600_init_atom(rctx, &rctx->db_misc_state.atom, id++,
> evergreen_emit_db_misc_state, 10);
> r600_init_atom(rctx, &rctx->db_state.atom, id++,
> evergreen_emit_db_state, 14);
> r600_init_atom(rctx, &rctx->dsa_state.atom, id++,
> r600_emit_cso_state, 0);
> - r600_init_atom(rctx, &rctx->poly_offset_state.atom, id++,
> evergreen_emit_polygon_offset, 6);
> + r600_init_atom(rctx, &rctx->poly_offset_state.atom, id++,
> evergreen_emit_polygon_offset, 9);
> r600_init_atom(rctx, &rctx->rasterizer_state.atom, id++,
> r600_emit_cso_state, 0);
> r600_add_atom(rctx, &rctx->b.scissors.atom, id++);
> r600_add_atom(rctx, &rctx->b.viewports.atom, id++);
> --
> 2.8.3
>
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