diff options
Diffstat (limited to 'src/mesa/drivers')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 54 |
1 files changed, 50 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c index 15ff1423453..77560207502 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c +++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c @@ -79,12 +79,57 @@ brw_emit_surface_state(struct brw_context *brw, uint32_t mocs, uint32_t *surf_offset, int surf_index, unsigned read_domains, unsigned write_domains) { - assert(mt->target == target); const struct surface_state_info ss_info = surface_state_infos[brw->gen]; + uint32_t tile_x = 0, tile_y = 0; + uint32_t offset = mt->offset; struct isl_surf surf; intel_miptree_get_isl_surf(brw, mt, &surf); + surf.dim = get_isl_surf_dim(target); + + const enum isl_dim_layout dim_layout = + get_isl_dim_layout(brw->intelScreen->devinfo, mt->tiling, target); + + if (surf.dim_layout != dim_layout) { + /* The layout of the specified texture target is not compatible with the + * actual layout of the miptree structure in memory -- You're entering + * dangerous territory, this can only possibly work if you only intended + * to access a single level and slice of the texture, and the hardware + * supports the tile offset feature in order to allow non-tile-aligned + * base offsets, since we'll have to point the hardware to the first + * texel of the level instead of relying on the usual base level/layer + * controls. + */ + assert(brw->has_surface_tile_offset); + assert(view.levels == 1 && view.array_len == 1); + + offset += intel_miptree_get_tile_offsets(mt, view.base_level, + view.base_array_layer, + &tile_x, &tile_y); + + /* Minify the logical dimensions of the texture. */ + const unsigned l = view.base_level - mt->first_level; + surf.logical_level0_px.width = minify(surf.logical_level0_px.width, l); + surf.logical_level0_px.height = surf.dim <= ISL_SURF_DIM_1D ? 1 : + minify(surf.logical_level0_px.height, l); + surf.logical_level0_px.depth = surf.dim <= ISL_SURF_DIM_2D ? 1 : + minify(surf.logical_level0_px.depth, l); + + /* Only the base level and layer can be addressed with the overridden + * layout. + */ + surf.logical_level0_px.array_len = 1; + surf.levels = 1; + surf.dim_layout = dim_layout; + + /* The requested slice of the texture is now at the base level and + * layer. + */ + view.base_level = 0; + view.base_array_layer = 0; + } + union isl_color_value clear_color = { .u32 = { 0, 0, 0, 0 } }; struct isl_surf *aux_surf = NULL, aux_surf_s; @@ -109,14 +154,15 @@ brw_emit_surface_state(struct brw_context *brw, surf_index, surf_offset); isl_surf_fill_state(&brw->isl_dev, dw, .surf = &surf, .view = &view, - .address = mt->bo->offset64 + mt->offset, + .address = mt->bo->offset64 + offset, .aux_surf = aux_surf, .aux_usage = aux_usage, .aux_address = aux_offset, - .mocs = mocs, .clear_color = clear_color); + .mocs = mocs, .clear_color = clear_color, + .x_offset_sa = tile_x, .y_offset_sa = tile_y); drm_intel_bo_emit_reloc(brw->batch.bo, *surf_offset + 4 * ss_info.reloc_dw, - mt->bo, mt->offset, + mt->bo, offset, read_domains, write_domains); if (aux_surf) { |