/* * Copyright 2008 Ben Skeggs * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include "pipe/p_state.h" #include "pipe/p_defines.h" #include "util/u_inlines.h" #include "util/u_format.h" #include "nvc0_context.h" #include "nvc0_resource.h" uint32_t nvc0_tex_choose_tile_dims(unsigned nx, unsigned ny, unsigned nz) { uint32_t tile_mode = 0x000; if (ny > 64) tile_mode = 0x040; /* height 128 tiles */ else if (ny > 32) tile_mode = 0x030; /* height 64 tiles */ else if (ny > 16) tile_mode = 0x020; /* height 32 tiles */ else if (ny > 8) tile_mode = 0x010; /* height 16 tiles */ if (nz == 1) return tile_mode; else if (tile_mode > 0x020) tile_mode = 0x020; if (nz > 16 && tile_mode < 0x020) return tile_mode | 0x500; /* depth 32 tiles */ if (nz > 8) return tile_mode | 0x400; /* depth 16 tiles */ if (nz > 4) return tile_mode | 0x300; /* depth 8 tiles */ if (nz > 2) return tile_mode | 0x200; /* depth 4 tiles */ return tile_mode | 0x100; } static uint32_t nvc0_mt_choose_storage_type(struct nv50_miptree *mt, boolean compressed) { const unsigned ms = util_logbase2(mt->base.base.nr_samples); uint32_t tile_flags; compressed = FALSE; /* not yet supported */ if (mt->base.base.bind & PIPE_BIND_CURSOR) return NOUVEAU_BO_TILE_SCANOUT; switch (mt->base.base.format) { case PIPE_FORMAT_Z16_UNORM: if (compressed) tile_flags = 0x0200 + (ms << 8); else tile_flags = 0x0100; break; case PIPE_FORMAT_S8_USCALED_Z24_UNORM: if (compressed) tile_flags = 0x5100 + (ms << 8); else tile_flags = 0x4600; break; case PIPE_FORMAT_Z24X8_UNORM: case PIPE_FORMAT_Z24_UNORM_S8_USCALED: if (compressed) tile_flags = 0x1700 + (ms << 8); else tile_flags = 0x1100; break; case PIPE_FORMAT_Z32_FLOAT: if (compressed) tile_flags = 0x8600 + (ms << 8); else tile_flags = 0x7b00; break; case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED: if (compressed) tile_flags = 0xce00 + (ms << 8); else tile_flags = 0xc300; break; default: switch (util_format_get_blocksizebits(mt->base.base.format)) { case 128: if (compressed) tile_flags = 0xf400 + (ms << 9); else tile_flags = 0xfe00; break; case 64: if (compressed) { switch (ms) { case 0: tile_flags = 0xe600; break; case 1: tile_flags = 0xeb00; break; case 2: tile_flags = 0xed00; break; case 3: tile_flags = 0xf200; break; default: return 0; } } else { tile_flags = 0xfe00; } break; case 32: if (compressed) { switch (ms) { case 0: tile_flags = 0xdb00; break; case 1: tile_flags = 0xdd00; break; case 2: tile_flags = 0xdf00; break; case 3: tile_flags = 0xe400; break; default: return 0; } } else { tile_flags = 0xfe00; } break; case 16: case 8: tile_flags = 0xfe00; break; default: return 0; } break; } if (mt->base.base.bind & PIPE_BIND_SCANOUT) tile_flags |= NOUVEAU_BO_TILE_SCANOUT; return tile_flags; } static INLINE boolean nvc0_miptree_init_ms_mode(struct nv50_miptree *mt) { switch (mt->base.base.nr_samples) { case 8: mt->ms_mode = NVC0_3D_MULTISAMPLE_MODE_MS8; mt->ms_x = 2; mt->ms_y = 1; break; case 4: mt->ms_mode = NVC0_3D_MULTISAMPLE_MODE_MS4; mt->ms_x = 1; mt->ms_y = 1; break; case 2: mt->ms_mode = NVC0_3D_MULTISAMPLE_MODE_MS2; mt->ms_x = 1; break; case 1: case 0: mt->ms_mode = NVC0_3D_MULTISAMPLE_MODE_MS1; break; default: NOUVEAU_ERR("invalid nr_samples: %u\n", mt->base.base.nr_samples); return FALSE; } return TRUE; } boolean nv50_miptree_init_layout_linear(struct nv50_miptree *); static void nvc0_miptree_init_layout_tiled(struct nv50_miptree *mt) { struct pipe_resource *pt = &mt->base.base; unsigned w, h, d, l; const unsigned blocksize = util_format_get_blocksize(pt->format); mt->layout_3d = pt->target == PIPE_TEXTURE_3D; w = pt->width0 << mt->ms_x; h = pt->height0 << mt->ms_y; /* For 3D textures, a mipmap is spanned by all the layers, for array * textures and cube maps, each layer contains its own mipmaps. */ d = mt->layout_3d ? pt->depth0 : 1; for (l = 0; l <= pt->last_level; ++l) { struct nv50_miptree_level *lvl = &mt->level[l]; unsigned tsx, tsy, tsz; unsigned nbx = util_format_get_nblocksx(pt->format, w); unsigned nby = util_format_get_nblocksy(pt->format, h); lvl->offset = mt->total_size; lvl->tile_mode = nvc0_tex_choose_tile_dims(nbx, nby, d); tsx = NVC0_TILE_SIZE_X(lvl->tile_mode); /* x is tile row pitch in bytes */ tsy = NVC0_TILE_SIZE_Y(lvl->tile_mode); tsz = NVC0_TILE_SIZE_Z(lvl->tile_mode); lvl->pitch = align(nbx * blocksize, tsx); mt->total_size += lvl->pitch * align(nby, tsy) * align(d, tsz); w = u_minify(w, 1); h = u_minify(h, 1); d = u_minify(d, 1); } if (pt->array_size > 1) { mt->layer_stride = align(mt->total_size, NVC0_TILE_SIZE(mt->level[0].tile_mode)); mt->total_size = mt->layer_stride * pt->array_size; } } const struct u_resource_vtbl nvc0_miptree_vtbl = { nv50_miptree_get_handle, /* get_handle */ nv50_miptree_destroy, /* resource_destroy */ nvc0_miptree_transfer_new, /* get_transfer */ nvc0_miptree_transfer_del, /* transfer_destroy */ nvc0_miptree_transfer_map, /* transfer_map */ u_default_transfer_flush_region, /* transfer_flush_region */ nvc0_miptree_transfer_unmap, /* transfer_unmap */ u_default_transfer_inline_write /* transfer_inline_write */ }; struct pipe_resource * nvc0_miptree_create(struct pipe_screen *pscreen, const struct pipe_resource *templ) { struct nouveau_device *dev = nouveau_screen(pscreen)->device; struct nv50_miptree *mt = CALLOC_STRUCT(nv50_miptree); struct pipe_resource *pt = &mt->base.base; int ret; uint32_t tile_flags; if (!mt) return NULL; mt->base.vtbl = &nvc0_miptree_vtbl; *pt = *templ; pipe_reference_init(&pt->reference, 1); pt->screen = pscreen; tile_flags = nvc0_mt_choose_storage_type(mt, TRUE); if (!nvc0_miptree_init_ms_mode(mt)) { FREE(mt); return NULL; } if (tile_flags & NOUVEAU_BO_TILE_LAYOUT_MASK) { nvc0_miptree_init_layout_tiled(mt); } else if (!nv50_miptree_init_layout_linear(mt)) { FREE(mt); return NULL; } ret = nouveau_bo_new_tile(dev, NOUVEAU_BO_VRAM, 4096, mt->total_size, mt->level[0].tile_mode, tile_flags, &mt->base.bo); if (ret) { FREE(mt); return NULL; } mt->base.domain = NOUVEAU_BO_VRAM; return pt; } /* Offset of zslice @z from start of level @l. */ INLINE unsigned nvc0_mt_zslice_offset(const struct nv50_miptree *mt, unsigned l, unsigned z) { const struct pipe_resource *pt = &mt->base.base; unsigned tds = NVC0_TILE_SHIFT_Z(mt->level[l].tile_mode); unsigned ths = NVC0_TILE_SHIFT_Y(mt->level[l].tile_mode); unsigned nby = util_format_get_nblocksy(pt->format, u_minify(pt->height0, l)); /* to next 2D tile slice within a 3D tile */ unsigned stride_2d = NVC0_TILE_SIZE_2D(mt->level[l].tile_mode); /* to slice in the next (in z direction) 3D tile */ unsigned stride_3d = (align(nby, (1 << ths)) * mt->level[l].pitch) << tds; return (z & (1 << (tds - 1))) * stride_2d + (z >> tds) * stride_3d; } /* Surface functions. */ struct pipe_surface * nvc0_miptree_surface_new(struct pipe_context *pipe, struct pipe_resource *pt, const struct pipe_surface *templ) { struct nv50_surface *ns = nv50_surface_from_miptree(nv50_miptree(pt), templ); if (!ns) return NULL; ns->base.context = pipe; return &ns->base; }