diff options
Diffstat (limited to 'src/gallium/drivers/nvc0/nvc0_miptree.c')
| -rw-r--r-- | src/gallium/drivers/nvc0/nvc0_miptree.c | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/src/gallium/drivers/nvc0/nvc0_miptree.c b/src/gallium/drivers/nvc0/nvc0_miptree.c new file mode 100644 index 0000000000..7c7e134146 --- /dev/null +++ b/src/gallium/drivers/nvc0/nvc0_miptree.c @@ -0,0 +1,327 @@ +/* + * 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" +#include "nvc0_transfer.h" + +static INLINE uint32_t +get_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 INLINE unsigned +calc_zslice_offset(uint32_t tile_mode, unsigned z, unsigned pitch, unsigned nbh) +{ + unsigned tile_h = NVC0_TILE_HEIGHT(tile_mode); + unsigned tile_d_shift = NVC0_TILE_DIM_SHIFT(tile_mode, 2); + unsigned tile_d = 1 << tile_d_shift; + + /* stride_2d == to next slice within this volume tile */ + /* stride_3d == size (in bytes) of a volume tile */ + unsigned stride_2d = tile_h * NVC0_TILE_PITCH(tile_mode); + unsigned stride_3d = tile_d * align(nbh, tile_h) * pitch; + + return (z & (tile_d - 1)) * stride_2d + (z >> tile_d_shift) * stride_3d; +} + +static void +nvc0_miptree_destroy(struct pipe_screen *pscreen, struct pipe_resource *pt) +{ + struct nvc0_miptree *mt = nvc0_miptree(pt); + + nouveau_screen_bo_release(pscreen, mt->base.bo); + + FREE(mt); +} + +static boolean +nvc0_miptree_get_handle(struct pipe_screen *pscreen, + struct pipe_resource *pt, + struct winsys_handle *whandle) +{ + struct nvc0_miptree *mt = nvc0_miptree(pt); + unsigned stride; + + if (!mt || !mt->base.bo) + return FALSE; + + stride = util_format_get_stride(mt->base.base.format, + mt->base.base.width0); + + return nouveau_screen_bo_get_handle(pscreen, + mt->base.bo, + stride, + whandle); +} + +const struct u_resource_vtbl nvc0_miptree_vtbl = +{ + nvc0_miptree_get_handle, /* get_handle */ + nvc0_miptree_destroy, /* resource_destroy */ + NULL, /* is_resource_referenced */ + 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 nvc0_miptree *mt = CALLOC_STRUCT(nvc0_miptree); + struct pipe_resource *pt = &mt->base.base; + int ret; + unsigned w, h, d, l, alloc_size; + 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; + + mt->layout_3d = pt->target == PIPE_TEXTURE_3D; + + w = pt->width0; + h = pt->height0; + d = mt->layout_3d ? pt->depth0 : 1; + + switch (pt->format) { + case PIPE_FORMAT_Z16_UNORM: + tile_flags = 0x0700; /* COMPRESSED */ + tile_flags = 0x0200; /* NORMAL ? */ + tile_flags = 0x0100; /* NORMAL ? */ + break; + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + tile_flags = 0x5300; /* MSAA 4, COMPRESSED */ + tile_flags = 0x4600; /* NORMAL */ + break; + case PIPE_FORMAT_Z24X8_UNORM: + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + tile_flags = 0x1100; /* NORMAL */ + if (w * h >= 128 * 128 && 0) + tile_flags = 0x1700; /* COMPRESSED, requires magic */ + break; + case PIPE_FORMAT_R32G32B32A32_FLOAT: + tile_flags = 0xf500; /* COMPRESSED */ + tile_flags = 0xf700; /* MSAA 2 */ + tile_flags = 0xf900; /* MSAA 4 */ + tile_flags = 0xfe00; /* NORMAL */ + break; + case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED: + tile_flags = 0xce00; /* COMPRESSED */ + tile_flags = 0xcf00; /* MSAA 2, COMPRESSED */ + tile_flags = 0xd000; /* MSAA 4, COMPRESSED */ + tile_flags = 0xc300; /* NORMAL */ + break; + case PIPE_FORMAT_R16G16B16A16_UNORM: + tile_flags = 0xe900; /* COMPRESSED */ + break; + default: + tile_flags = 0xe000; /* MSAA 4, COMPRESSED 32 BIT */ + tile_flags = 0xfe00; /* NORMAL 32 BIT */ + if (w * h >= 128 * 128 && 0) + tile_flags = 0xdb00; /* COMPRESSED 32 BIT, requires magic */ + break; + } + + /* For 3D textures, a mipmap is spanned by all the layers, for array + * textures and cube maps, each layer contains its own mipmaps. + */ + for (l = 0; l <= pt->last_level; ++l) { + struct nvc0_miptree_level *lvl = &mt->level[l]; + unsigned nbx = util_format_get_nblocksx(pt->format, w); + unsigned nby = util_format_get_nblocksy(pt->format, h); + unsigned blocksize = util_format_get_blocksize(pt->format); + + lvl->offset = mt->total_size; + lvl->tile_mode = get_tile_dims(nbx, nby, d); + lvl->pitch = align(nbx * blocksize, NVC0_TILE_PITCH(lvl->tile_mode)); + + mt->total_size += lvl->pitch * + align(nby, NVC0_TILE_HEIGHT(lvl->tile_mode)) * + align(d, NVC0_TILE_DEPTH(lvl->tile_mode)); + + 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; + } + + alloc_size = mt->total_size; + if (tile_flags == 0x1700) + alloc_size *= 3; /* HiZ, XXX: correct size */ + + ret = nouveau_bo_new_tile(dev, NOUVEAU_BO_VRAM, 256, alloc_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; +} + +struct pipe_resource * +nvc0_miptree_from_handle(struct pipe_screen *pscreen, + const struct pipe_resource *templ, + struct winsys_handle *whandle) +{ + struct nvc0_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(nvc0_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.base = *templ; + mt->base.vtbl = &nvc0_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->tile_mode; + + /* no need to adjust bo reference count */ + return &mt->base.base; +} + + +/* Surface functions. + */ + +struct pipe_surface * +nvc0_miptree_surface_new(struct pipe_context *pipe, + struct pipe_resource *pt, + const struct pipe_surface *templ) +{ + struct nvc0_miptree *mt = nvc0_miptree(pt); /* guaranteed */ + struct nvc0_surface *ns; + struct pipe_surface *ps; + struct nvc0_miptree_level *lvl = &mt->level[templ->u.tex.level]; + + ns = CALLOC_STRUCT(nvc0_surface); + if (!ns) + return NULL; + ps = &ns->base; + + pipe_reference_init(&ps->reference, 1); + pipe_resource_reference(&ps->texture, pt); + ps->context = pipe; + ps->format = pt->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(pt->width0, ps->u.tex.level); + ns->height = u_minify(pt->height0, ps->u.tex.level); + ns->depth = ps->u.tex.last_layer - ps->u.tex.first_layer + 1; + ns->offset = lvl->offset; + + /* comment says there are going to be removed, but they're used by the st */ + ps->width = ns->width; + ps->height = ns->height; + + if (mt->layout_3d) { + unsigned zslice = ps->u.tex.first_layer; + + /* TODO: re-layout the texture to use only depth 1 tiles in this case: */ + if (ns->depth > 1 && (zslice & (NVC0_TILE_DEPTH(lvl->tile_mode) - 1))) + NOUVEAU_ERR("Creating unsupported 3D surface of slices [%u:%u].\n", + zslice, ps->u.tex.last_layer); + + ns->offset += calc_zslice_offset(lvl->tile_mode, zslice, lvl->pitch, + util_format_get_nblocksy(pt->format, + ns->height)); + } else { + ns->offset += mt->layer_stride * ps->u.tex.first_layer; + } + + return ps; +} + +void +nvc0_miptree_surface_del(struct pipe_context *pipe, struct pipe_surface *ps) +{ + struct nvc0_surface *s = nvc0_surface(ps); + + pipe_resource_reference(&ps->texture, NULL); + + FREE(s); +} |