| /* |
| * 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 (unlikely(mt->base.base.bind & PIPE_BIND_CURSOR)) |
| return 0; |
| if (unlikely(mt->base.base.flags & NOUVEAU_RESOURCE_FLAG_LINEAR)) |
| return 0; |
| |
| switch (mt->base.base.format) { |
| case PIPE_FORMAT_Z16_UNORM: |
| if (compressed) |
| tile_flags = 0x02 + ms; |
| else |
| tile_flags = 0x01; |
| break; |
| case PIPE_FORMAT_S8_UINT_Z24_UNORM: |
| if (compressed) |
| tile_flags = 0x51 + ms; |
| else |
| tile_flags = 0x46; |
| break; |
| case PIPE_FORMAT_Z24X8_UNORM: |
| case PIPE_FORMAT_Z24_UNORM_S8_UINT: |
| if (compressed) |
| tile_flags = 0x17 + ms; |
| else |
| tile_flags = 0x11; |
| break; |
| case PIPE_FORMAT_Z32_FLOAT: |
| if (compressed) |
| tile_flags = 0x86 + ms; |
| else |
| tile_flags = 0x7b; |
| break; |
| case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: |
| if (compressed) |
| tile_flags = 0xce + ms; |
| else |
| tile_flags = 0xc3; |
| break; |
| default: |
| switch (util_format_get_blocksizebits(mt->base.base.format)) { |
| case 128: |
| if (compressed) |
| tile_flags = 0xf4 + ms; |
| else |
| tile_flags = 0xfe; |
| break; |
| case 64: |
| if (compressed) { |
| switch (ms) { |
| case 0: tile_flags = 0xe6; break; |
| case 1: tile_flags = 0xeb; break; |
| case 2: tile_flags = 0xed; break; |
| case 3: tile_flags = 0xf2; break; |
| default: |
| return 0; |
| } |
| } else { |
| tile_flags = 0xfe; |
| } |
| break; |
| case 32: |
| if (compressed) { |
| switch (ms) { |
| case 0: tile_flags = 0xdb; break; |
| case 1: tile_flags = 0xdd; break; |
| case 2: tile_flags = 0xdf; break; |
| case 3: tile_flags = 0xe4; break; |
| default: |
| return 0; |
| } |
| } else { |
| tile_flags = 0xfe; |
| } |
| break; |
| case 16: |
| case 8: |
| tile_flags = 0xfe; |
| break; |
| default: |
| return 0; |
| } |
| break; |
| } |
| |
| 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_video(struct nv50_miptree *mt) |
| { |
| const struct pipe_resource *pt = &mt->base.base; |
| const unsigned blocksize = util_format_get_blocksize(pt->format); |
| |
| unsigned nbx = util_format_get_nblocksx(pt->format, pt->width0); |
| unsigned nby = util_format_get_nblocksy(pt->format, pt->height0); |
| |
| assert(pt->last_level == 0); |
| assert(mt->ms_x == 0 && |
| mt->ms_y == 0); |
| assert(!util_format_is_compressed(pt->format)); |
| |
| assert(nby > 8); |
| mt->level[0].tile_mode = 0x10; |
| mt->level[0].pitch = align(nbx * blocksize, 64); |
| mt->total_size = align(nby, 16) * mt->level[0].pitch; |
| |
| if (pt->array_size > 1) { |
| mt->layer_stride = align(mt->total_size, NVC0_TILE_SIZE(0x10)); |
| mt->total_size = mt->layer_stride * pt->array_size; |
| } |
| } |
| |
| 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; |
| union nouveau_bo_config bo_config; |
| uint32_t bo_flags; |
| |
| if (!mt) |
| return NULL; |
| |
| mt->base.vtbl = &nvc0_miptree_vtbl; |
| *pt = *templ; |
| pipe_reference_init(&pt->reference, 1); |
| pt->screen = pscreen; |
| |
| bo_config.nvc0.memtype = nvc0_mt_choose_storage_type(mt, TRUE); |
| |
| if (!nvc0_miptree_init_ms_mode(mt)) { |
| FREE(mt); |
| return NULL; |
| } |
| |
| if (unlikely(pt->flags & NVC0_RESOURCE_FLAG_VIDEO)) { |
| nvc0_miptree_init_layout_video(mt); |
| } else |
| if (likely(bo_config.nvc0.memtype)) { |
| nvc0_miptree_init_layout_tiled(mt); |
| } else |
| if (!nv50_miptree_init_layout_linear(mt)) { |
| FREE(mt); |
| return NULL; |
| } |
| bo_config.nvc0.tile_mode = mt->level[0].tile_mode; |
| |
| mt->base.domain = NOUVEAU_BO_VRAM; |
| |
| bo_flags = mt->base.domain | NOUVEAU_BO_NOSNOOP; |
| |
| if (mt->base.base.bind & (PIPE_BIND_CURSOR | PIPE_BIND_DISPLAY_TARGET)) |
| bo_flags |= NOUVEAU_BO_CONTIG; |
| |
| ret = nouveau_bo_new(dev, bo_flags, 4096, mt->total_size, &bo_config, |
| &mt->base.bo); |
| if (ret) { |
| FREE(mt); |
| return NULL; |
| } |
| mt->base.address = mt->base.bo->offset; |
| |
| 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; |
| } |
