r600g: move PA_SU_POLY_OFFSET_DB_FMT_CNTL to poly offset states for evergreen

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.davy@ens.fr>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>

diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index 0b8488d..797f593 100644 (file)
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -1222,27 +1222,6 @@ 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;
@@ -1627,8 +1606,6 @@ 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);
@@ -1686,6 +1663,7 @@ 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:
@@ -1693,11 +1671,18 @@ 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);
@@ -1705,6 +1690,9 @@ 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)
@@ -3645,7 +3633,7 @@ 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++);