| /* |
| * 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 "nv50_context.h" |
| #include "nv50_resource.h" |
| |
| static INLINE uint32_t |
| nv50_tex_choose_tile_dims(unsigned nx, unsigned ny, unsigned nz) |
| { |
| return nvc0_tex_choose_tile_dims(nx, ny * 2, nz); |
| } |
| |
| static uint32_t |
| nv50_mt_choose_storage_type(struct nv50_miptree *mt, boolean compressed) |
| { |
| const unsigned ms = mt->ms_x + mt->ms_y; |
| |
| uint32_t tile_flags; |
| |
| if (unlikely(mt->base.base.flags & NOUVEAU_RESOURCE_FLAG_LINEAR)) |
| return 0; |
| if (unlikely(mt->base.base.bind & PIPE_BIND_CURSOR)) |
| return 0; |
| |
| switch (mt->base.base.format) { |
| case PIPE_FORMAT_Z16_UNORM: |
| tile_flags = 0x6c + ms; |
| break; |
| case PIPE_FORMAT_S8_UINT_Z24_UNORM: |
| tile_flags = 0x18 + ms; |
| break; |
| case PIPE_FORMAT_Z24X8_UNORM: |
| case PIPE_FORMAT_Z24_UNORM_S8_UINT: |
| tile_flags = 0x128 + ms; |
| break; |
| case PIPE_FORMAT_Z32_FLOAT: |
| tile_flags = 0x40 + ms; |
| break; |
| case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: |
| tile_flags = 0x60 + ms; |
| break; |
| default: |
| switch (util_format_get_blocksizebits(mt->base.base.format)) { |
| case 128: |
| assert(ms < 3); |
| tile_flags = 0x74; |
| break; |
| case 64: |
| switch (ms) { |
| case 2: tile_flags = 0xfc; break; |
| case 3: tile_flags = 0xfd; break; |
| default: |
| tile_flags = 0x70; |
| break; |
| } |
| break; |
| case 32: |
| if (mt->base.base.bind & PIPE_BIND_SCANOUT) { |
| assert(ms == 0); |
| tile_flags = 0x7a; |
| } else { |
| switch (ms) { |
| case 2: tile_flags = 0xf8; break; |
| case 3: tile_flags = 0xf9; break; |
| default: |
| tile_flags = 0x70; |
| break; |
| } |
| } |
| break; |
| case 16: |
| case 8: |
| tile_flags = 0x70; |
| break; |
| default: |
| return 0; |
| } |
| if (mt->base.base.bind & PIPE_BIND_CURSOR) |
| tile_flags = 0; |
| } |
| |
| if (!compressed) |
| tile_flags &= ~0x180; |
| |
| return tile_flags; |
| } |
| |
| void |
| nv50_miptree_destroy(struct pipe_screen *pscreen, struct pipe_resource *pt) |
| { |
| struct nv50_miptree *mt = nv50_miptree(pt); |
| |
| nouveau_bo_ref(NULL, &mt->base.bo); |
| |
| nouveau_fence_ref(NULL, &mt->base.fence); |
| nouveau_fence_ref(NULL, &mt->base.fence_wr); |
| |
| FREE(mt); |
| } |
| |
| boolean |
| nv50_miptree_get_handle(struct pipe_screen *pscreen, |
| struct pipe_resource *pt, |
| struct winsys_handle *whandle) |
| { |
| struct nv50_miptree *mt = nv50_miptree(pt); |
| unsigned stride; |
| |
| if (!mt || !mt->base.bo) |
| return FALSE; |
| |
| stride = mt->level[0].pitch; |
| |
| return nouveau_screen_bo_get_handle(pscreen, |
| mt->base.bo, |
| stride, |
| whandle); |
| } |
| |
| const struct u_resource_vtbl nv50_miptree_vtbl = |
| { |
| nv50_miptree_get_handle, /* get_handle */ |
| nv50_miptree_destroy, /* resource_destroy */ |
| nv50_miptree_transfer_new, /* get_transfer */ |
| nv50_miptree_transfer_del, /* transfer_destroy */ |
| nv50_miptree_transfer_map, /* transfer_map */ |
| u_default_transfer_flush_region, /* transfer_flush_region */ |
| nv50_miptree_transfer_unmap, /* transfer_unmap */ |
| u_default_transfer_inline_write /* transfer_inline_write */ |
| }; |
| |
| static INLINE boolean |
| nv50_miptree_init_ms_mode(struct nv50_miptree *mt) |
| { |
| switch (mt->base.base.nr_samples) { |
| case 8: |
| mt->ms_mode = NV50_3D_MULTISAMPLE_MODE_MS8; |
| mt->ms_x = 2; |
| mt->ms_y = 1; |
| break; |
| case 4: |
| mt->ms_mode = NV50_3D_MULTISAMPLE_MODE_MS4; |
| mt->ms_x = 1; |
| mt->ms_y = 1; |
| break; |
| case 2: |
| mt->ms_mode = NV50_3D_MULTISAMPLE_MODE_MS2; |
| mt->ms_x = 1; |
| break; |
| case 1: |
| case 0: |
| mt->ms_mode = NV50_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 *mt) |
| { |
| struct pipe_resource *pt = &mt->base.base; |
| const unsigned blocksize = util_format_get_blocksize(pt->format); |
| |
| if (util_format_is_depth_or_stencil(pt->format)) |
| return FALSE; |
| |
| if ((pt->last_level > 0) || (pt->depth0 > 1) || (pt->array_size > 1)) |
| return FALSE; |
| if (mt->ms_x | mt->ms_y) |
| return FALSE; |
| |
| mt->level[0].pitch = align(pt->width0 * blocksize, 64); |
| |
| mt->total_size = mt->level[0].pitch * pt->height0; |
| |
| return TRUE; |
| } |
| |
| static void |
| nv50_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 = nv50_tex_choose_tile_dims(nbx, nby, d); |
| |
| tsx = NV50_TILE_SIZE_X(lvl->tile_mode); /* x is tile row pitch in bytes */ |
| tsy = NV50_TILE_SIZE_Y(lvl->tile_mode); |
| tsz = NV50_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, |
| NV50_TILE_SIZE(mt->level[0].tile_mode)); |
| mt->total_size = mt->layer_stride * pt->array_size; |
| } |
| } |
| |
| struct pipe_resource * |
| nv50_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 = &nv50_miptree_vtbl; |
| *pt = *templ; |
| pipe_reference_init(&pt->reference, 1); |
| pt->screen = pscreen; |
| |
| bo_config.nv50.memtype = nv50_mt_choose_storage_type(mt, TRUE); |
| |
| if (!nv50_miptree_init_ms_mode(mt)) { |
| FREE(mt); |
| return NULL; |
| } |
| |
| if (bo_config.nv50.memtype != 0) { |
| nv50_miptree_init_layout_tiled(mt); |
| } else |
| if (!nv50_miptree_init_layout_linear(mt)) { |
| FREE(mt); |
| return NULL; |
| } |
| bo_config.nv50.tile_mode = mt->level[0].tile_mode; |
| |
| bo_flags = NOUVEAU_BO_VRAM | 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.domain = NOUVEAU_BO_VRAM; |
| mt->base.address = mt->base.bo->offset; |
| |
| return pt; |
| } |
| |
| struct pipe_resource * |
| nv50_miptree_from_handle(struct pipe_screen *pscreen, |
| const struct pipe_resource *templ, |
| struct winsys_handle *whandle) |
| { |
| struct nv50_miptree *mt; |
| unsigned stride; |
| |
| /* only supports 2D, non-mipmapped textures for the moment */ |
| if ((templ->target != PIPE_TEXTURE_2D && |
| templ->target != PIPE_TEXTURE_RECT) || |
| templ->last_level != 0 || |
| templ->depth0 != 1 || |
| templ->array_size > 1) |
| return NULL; |
| |
| mt = CALLOC_STRUCT(nv50_miptree); |
| if (!mt) |
| return NULL; |
| |
| mt->base.bo = nouveau_screen_bo_from_handle(pscreen, whandle, &stride); |
| if (mt->base.bo == NULL) { |
| FREE(mt); |
| return NULL; |
| } |
| mt->base.domain = NOUVEAU_BO_VRAM; |
| mt->base.address = mt->base.bo->offset; |
| |
| mt->base.base = *templ; |
| mt->base.vtbl = &nv50_miptree_vtbl; |
| pipe_reference_init(&mt->base.base.reference, 1); |
| mt->base.base.screen = pscreen; |
| mt->level[0].pitch = stride; |
| mt->level[0].offset = 0; |
| mt->level[0].tile_mode = mt->base.bo->config.nv50.tile_mode; |
| |
| /* no need to adjust bo reference count */ |
| return &mt->base.base; |
| } |
| |
| |
| /* Offset of zslice @z from start of level @l. */ |
| INLINE unsigned |
| nv50_mt_zslice_offset(const struct nv50_miptree *mt, unsigned l, unsigned z) |
| { |
| const struct pipe_resource *pt = &mt->base.base; |
| |
| unsigned tds = NV50_TILE_SHIFT_Z(mt->level[l].tile_mode); |
| unsigned ths = NV50_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 = NV50_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 nv50_surface * |
| nv50_surface_from_miptree(struct nv50_miptree *mt, |
| const struct pipe_surface *templ) |
| { |
| struct pipe_surface *ps; |
| struct nv50_surface *ns = CALLOC_STRUCT(nv50_surface); |
| if (!ns) |
| return NULL; |
| ps = &ns->base; |
| |
| pipe_reference_init(&ps->reference, 1); |
| pipe_resource_reference(&ps->texture, &mt->base.base); |
| |
| ps->format = templ->format; |
| ps->usage = templ->usage; |
| ps->u.tex.level = templ->u.tex.level; |
| ps->u.tex.first_layer = templ->u.tex.first_layer; |
| ps->u.tex.last_layer = templ->u.tex.last_layer; |
| |
| ns->width = u_minify(mt->base.base.width0, ps->u.tex.level); |
| ns->height = u_minify(mt->base.base.height0, ps->u.tex.level); |
| ns->depth = ps->u.tex.last_layer - ps->u.tex.first_layer + 1; |
| ns->offset = mt->level[templ->u.tex.level].offset; |
| |
| /* comment says there are going to be removed, but they're used by the st */ |
| ps->width = ns->width; |
| ps->height = ns->height; |
| |
| ns->width <<= mt->ms_x; |
| ns->height <<= mt->ms_y; |
| |
| return ns; |
| } |
| |
| struct pipe_surface * |
| nv50_miptree_surface_new(struct pipe_context *pipe, |
| struct pipe_resource *pt, |
| const struct pipe_surface *templ) |
| { |
| struct nv50_miptree *mt = nv50_miptree(pt); |
| struct nv50_surface *ns = nv50_surface_from_miptree(mt, templ); |
| if (!ns) |
| return NULL; |
| ns->base.context = pipe; |
| |
| if (ns->base.u.tex.first_layer) { |
| const unsigned l = ns->base.u.tex.level; |
| const unsigned z = ns->base.u.tex.first_layer; |
| |
| if (mt->layout_3d) { |
| ns->offset += nv50_mt_zslice_offset(mt, l, z); |
| |
| /* TODO: switch to depth 1 tiles; but actually this shouldn't happen */ |
| if (ns->depth > 1 && |
| (z & (NV50_TILE_SIZE_Z(mt->level[l].tile_mode) - 1))) |
| NOUVEAU_ERR("Creating unsupported 3D surface !\n"); |
| } else { |
| ns->offset += mt->layer_stride * z; |
| } |
| } |
| |
| return &ns->base; |
| } |